Merge pull request 'master' (#15) from jits/FarmMapsApiClient_WURtest:master into master
Reviewed-on: #15
This commit is contained in:
commit
bb4e795abc
@ -19,7 +19,7 @@ namespace FarmmapsApiSamples
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public const string VRAHAULMKILLING_TASK = "vnd.farmmaps.task.vrahaulmkilling";
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public const string VRAPLANTING_TASK = "vnd.farmmaps.task.vrapoten";
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public const string VRAZONERING_TASK = "vnd.farmmaps.task.vrazonering";
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public const string SATELLITE_TASK = "vnd.farmmaps.task.sentinelhub";
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public const string SATELLITE_TASK = "vnd.farmmaps.task.sentinelhub"; //"vnd.farmmaps.task.satellite";
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public const string VANDERSAT_TASK = "vnd.farmmaps.task.vandersat";
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public const string TASKMAP_TASK = "vnd.farmmaps.task.taskmap";
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public const string WORKFLOW_TASK = "vnd.farmmaps.task.workflow";
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@ -25,6 +25,7 @@ namespace FarmmapsBulkSatDownload
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private readonly GeneralService _generalService;
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public const string settingsfile = "Settings.json";
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public const int firstAvailableYear = 2017;
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private Settings _settings;
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public BulkSatDownloadApplication(ILogger<BulkSatDownloadApplication> logger, FarmmapsApiService farmmapsApiService,
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@ -51,6 +52,13 @@ namespace FarmmapsBulkSatDownload
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DateTime lastdownloadedimagedate;
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int cropYear;
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//Use doDB to decide if reading from/writing to database (doDB = true) or
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//read from file BulkSatDownloadInput.json and write satellite statistics to file(s) specified in BulkSatDownloadInput.json
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//note in case of doDB == true you will need to provide a file "DBsettings.secrets.json" with login details for the database
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//see empty example "DBsettings.json"
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bool doDB = false;
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if (doDB == true)
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{
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// Option 1: When using database need to (1) fill in database data in DBsettings.secrets.json; (2) write tailor made SELECT query for fieldinputs in following lines;
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// (3) Write tailor made INSERT INTO query in Task Process() below;
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// Initialize databases. Username, password etc stored in file "DBsettings.secrets.json".
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@ -74,16 +82,16 @@ namespace FarmmapsBulkSatDownload
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List<string> satelliteBands = new List<string> { "wdvi", "ndvi" };
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string connectionString = dbparcels.GetConnectionString();
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string readSql = string.Format(
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@"
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SELECT pt.arbid, pt.year, gml.lastwenrdate, ST_AsGeoJSON(ST_Transform((ST_DUMP(pt.geom)).geom::geometry(Polygon),4326)) AS geojson_polygon_wgs84,
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@"
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SELECT pt.arbid, pt.year, gml.lastwenrdate, ST_AsGeoJSON(ST_Transform((ST_DUMP(pt.geom)).geom::geometry(Polygon),4326)) AS geojson_polygon_wgs84,
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COALESCE(pt.cropfielditemcode,'') AS cropfielditemcode,
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CASE WHEN pt.year >= DATE_PART('year', CURRENT_DATE) THEN '' ELSE COALESCE(pt.satellitetaskcode,'') END AS satellitetaskcode
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FROM {0}.{1} pt, {0}.{2} gml
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WHERE
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FROM {0}.{1} pt, {0}.{2} gml
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WHERE
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pt.arbid = gml.arbid
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AND pt.satellitetaskcode IS NULL
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ORDER BY pt.arbid
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LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x for testing
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ORDER BY pt.arbid
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LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x for testing
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using (NpgsqlConnection connection = new NpgsqlConnection(connectionString))
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{
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@ -112,34 +120,35 @@ LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x
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}
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connection.Close();
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}
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// Now choose which list you want to use
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bulkSatDownloadInputList = bulkSatDownloadInputListDB;
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}
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else
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{
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// Option 2: Example without database. Comment out this part if you want to use database
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// Read cropfields "BulkSatDownloadInput.json" and write all stats to a single csv file
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// Write all stats for multiple fields will be written to a single csv file
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//string downloadFolder;
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//string fileNameStats;
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//string headerLineStats = $"FieldName,satelliteDate,satelliteBand,max,min,mean,mode,median,stddev,minPlus,curtosis,maxMinus,skewness,variance,populationCount,variationCoefficient,confidenceIntervalLow, confidenceIntervalHigh,confidenceIntervalErrorMargin" + Environment.NewLine;
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//var fieldsInputJson = File.ReadAllText("BulkSatDownloadInput.json");
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//bulkSatDownloadInputListCsv = JsonConvert.DeserializeObject<List<BulkSatDownloadInput>>(fieldsInputJson);
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//for (int i = 0; i < bulkSatDownloadInputListCsv.Count; i++)
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//{
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// downloadFolder = bulkSatDownloadInputListCsv[i].downloadFolder;
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// fileNameStats = Path.Combine(downloadFolder, bulkSatDownloadInputListCsv[i].fileNameStats);
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// if (!Directory.Exists(downloadFolder))
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// Directory.CreateDirectory(downloadFolder);
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// bulkSatDownloadInputListCsv[i].fileNameStats = fileNameStats;
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// // Header same as in GeneralService.DownloadSatelliteStats
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// // Delete fileNameStats if existing. Create a new file. Add a header to csv file
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// File.Delete(fileNameStats);
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// File.AppendAllText(fileNameStats, headerLineStats);
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//}
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string downloadFolder;
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string fileNameStats;
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string headerLineStats = $"FieldName,satelliteDate,satelliteBand,max,min,mean,mode,median,stddev,minPlus,curtosis,maxMinus,skewness,variance,populationCount,variationCoefficient,confidenceIntervalLow, confidenceIntervalHigh,confidenceIntervalErrorMargin" + Environment.NewLine;
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var fieldsInputJson = File.ReadAllText("BulkSatDownloadInput.json");
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bulkSatDownloadInputListCsv = JsonConvert.DeserializeObject<List<BulkSatDownloadInput>>(fieldsInputJson);
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for (int i = 0; i < bulkSatDownloadInputListCsv.Count; i++)
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{
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downloadFolder = bulkSatDownloadInputListCsv[i].downloadFolder;
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fileNameStats = Path.Combine(downloadFolder, bulkSatDownloadInputListCsv[i].fileNameStats);
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if (!Directory.Exists(downloadFolder))
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Directory.CreateDirectory(downloadFolder);
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bulkSatDownloadInputListCsv[i].fileNameStats = fileNameStats;
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// Header same as in GeneralService.DownloadSatelliteStats
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// Delete fileNameStats if existing. Create a new file. Add a header to csv file
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File.Delete(fileNameStats);
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File.AppendAllText(fileNameStats, headerLineStats);
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}
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// Now choose which list you want to use
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bulkSatDownloadInputList = bulkSatDownloadInputListDB; //bulkSatDownloadInputListDB; //bulkSatDownloadInputListCsv;
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// Whichever option (database or json/csv), continue here
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// Delete the settingsfile
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// File.Delete(settingsfile);
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bulkSatDownloadInputList = bulkSatDownloadInputListCsv;
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}
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// For each input download all images. Keep track to time, important when doing bulk downloads
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var watch = System.Diagnostics.Stopwatch.StartNew();
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@ -191,6 +200,33 @@ LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x
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private async Task Process(List<UserRoot> roots, BulkSatDownloadInput input)
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{
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//PO20220311: first time a call is made to download satellite images or statistics, an empty list is returned
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//If we wait a bit longer, e.g. 10 secs, then e.g. a list of 3 images may be returned
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//If we wait still longer, maybe 4 images.
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//The solution implemented below is to fire calls as long as the number of images returned keeps increasing
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//While in between each call, sleep for sleepSecs
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//Continue this until the number no longer increases or the maximum number of calls has been reached
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//If you set sleepSecs to a very low value, e.g. 5 secs, then after 1 call you might get images and after 2nd call still zero images.
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//to be on the safe side, better bit higher value.
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//Just accept this may take a while, have a coffee, we suggest sleepSecs = 30;
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int sleepSecs = 30;
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int callCntMax = 4 * 60 / sleepSecs; //4*60 = max 4 minutes
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//For example we may set: "sleepSecs = 10;" and "callCntMax = 24;" and following result:
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//Call no: 1. Giving FarmMaps 10 seconds to get SatelliteItems...
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//Call no: 1: Received 2 images
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//Call no: 2. Giving FarmMaps 10 seconds to get SatelliteItems...
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//Call no: 2: Received 7 images
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//Call no: 3. Giving FarmMaps 10 seconds to get SatelliteItems...
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//Call no: 3: Received 7 images
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//And the firing of calls would stop because the number of images returned is no longer increasing
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//In the worst case, this could would lead to a total sleeping period of "sleepSecsSum = sleepSecs * callCntMax" seconds. After that we give up
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//PO20230801: I also tried creating a cropfieldItem with startDate '2017-01-01' and endDate '2023-08-01'
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//so that only one RunSatelliteTask would need to be executed and statistics would be returned for the e.g. 233 images in this period from start to end date
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//instead of running 7 tasks (one per year) for a single field
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//But code doing that returned much less images than those 233 records which I should be getting.
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//So in the end, stick to downloading stats per year, even if it is for the same location in multiple years
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string cropfielditemcode;
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string satellitetaskcode;
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Item cropfieldItem;
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@ -222,6 +258,10 @@ LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x
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DateTime lastDownloadedSatelliteDate = input.lastdownloadedimagedate;
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cropfielditemcode = input.cropfielditemcode;
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satellitetaskcode = input.satellitetaskcode;
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int satelliteItemsCropYearCntPrev;
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int satelliteItemsCropYearCnt;
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int callCnt;
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int sleepSecsSum;
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LoadSettings(settingsfile);
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@ -309,23 +349,80 @@ LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x
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// TODO also log satellitetaskcode to settings, how?
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// SaveSettings(settingsfile);
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// Getting satellite items
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// Getting satellite items. Only for years for which available
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satelliteItemsCropYearCntPrev = 0;
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satelliteItemsCropYearCnt = 0;
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sleepSecsSum = 0;
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satelliteItemsCropYear = null;
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if (cropYear >= firstAvailableYear && cropYear <= DateTime.Now.Year)
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{
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_logger.LogInformation(string.Format($"Running FindSatelliteItems for cropfieldItem.Code '{cropfieldItem.Code}', SatelliteTaskCode '{satellitetaskcode}'"));
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//Call first time
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callCnt = 1;
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//if callCntMax == 0 then don't sleep
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//if callCntMax = 1 then sleep first 1x
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if (callCntMax > 0)
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{
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_logger.LogInformation($"Call no: {callCnt}. Giving FarmMaps {sleepSecs} seconds to get SatelliteItems...");
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System.Threading.Thread.Sleep(1000 * sleepSecs);
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sleepSecsSum = sleepSecsSum + sleepSecs;
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}
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satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, satellitetaskcode);
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satelliteItemsCropYearCntPrev = satelliteItemsCropYear.Count;
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_logger.LogInformation($"Call no: {callCnt}. Received {satelliteItemsCropYearCntPrev} images");
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callCnt++;
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satelliteItemsCropYearCnt = satelliteItemsCropYearCntPrev;
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//if callCntMax > 1 then sleep untill (1) no more increase in number of images received OR (2) maximum number of calls reached
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if (callCntMax > 1)
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{
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//Call second time
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_logger.LogInformation($"Call no: {callCnt}. Giving FarmMaps another {sleepSecs} seconds to get SatelliteItems...");
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System.Threading.Thread.Sleep(1000 * sleepSecs);
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satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, satellitetaskcode);
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satelliteItemsCropYearCnt = satelliteItemsCropYear.Count;
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_logger.LogInformation($"Call no: {callCnt}. Received {satelliteItemsCropYearCnt} images");
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sleepSecsSum = sleepSecsSum + sleepSecs;
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//As long as there is progress, keep calling
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callCnt++;
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while (callCnt <= callCntMax && (satelliteItemsCropYearCnt == 0 || satelliteItemsCropYearCnt > satelliteItemsCropYearCntPrev))
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{
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_logger.LogInformation($"Surprise! The longer we wait, the more images we get. Sleep and call once more");
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satelliteItemsCropYearCntPrev = satelliteItemsCropYearCnt;
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_logger.LogInformation($"Call no: {callCnt} (max: {callCntMax}). Giving FarmMaps another {sleepSecs} seconds to get SatelliteItems...");
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System.Threading.Thread.Sleep(1000 * sleepSecs);
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satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, satellitetaskcode);
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satelliteItemsCropYearCnt = satelliteItemsCropYear.Count;
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_logger.LogInformation($"Call no: {callCnt}. Received {satelliteItemsCropYearCnt} images");
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callCnt++;
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sleepSecsSum = sleepSecsSum + sleepSecs;
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}
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}
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}
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else
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{
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_logger.LogWarning($"// FarmmapsBulkSatDownload: crop year {cropYear} is out of bounds. No stats will be written!");
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}
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if (satelliteItemsCropYearCnt == 0)
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{
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_logger.LogWarning($"// FarmmapsBulkSatDownload: after calling one or more times and " +
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$"sleeping in total {sleepSecsSum} seconds, still no images found. " +
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$"Please check your settings for parameters callCntMax and sleepSecs in FarmmapsBulkSatDownload.cs or contact FarmMaps");
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}
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// Checking if satellite items found
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satelliteItemsAvailable = true;
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if (satelliteItemsCropYear == null)
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{
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satelliteItemsAvailable = false;
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_logger.LogInformation($"No satellite tiffs found for fieldName '{fieldName}', cropYear {cropYear}, cropfielditemcode '{cropfielditemcode}'");
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_logger.LogInformation($"// FarmmapsBulkSatDownload: No satellite tiffs found for fieldName '{fieldName}', cropYear {cropYear}, cropfielditemcode '{cropfielditemcode}'");
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}
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else
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{
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if (satelliteItemsCropYear.Count == 0)
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{
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satelliteItemsAvailable = false;
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_logger.LogInformation($"No satellite tiffs found for fieldName '{fieldName}', cropYear {cropYear}, cropfielditemcode '{cropfielditemcode}'");
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_logger.LogInformation($"// FarmmapsBulkSatDownload: No satellite tiffs found for fieldName '{fieldName}', cropYear {cropYear}, cropfielditemcode '{cropfielditemcode}'");
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}
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}
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@ -335,10 +432,10 @@ LIMIT 5;", schemaname, parceltablename, groenmonitorlatestviewname); //LIMIT x
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// Download statistics to a single csv file
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if (satelliteItemsAvailable && downloadFolder != null && fileNameStats != null)
|
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{
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// Write statistics for all images for all fieldNane and cropYear to a single csv file, fileNameStats
|
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// Write statistics for all images for all fieldName and cropYear to a single csv file, fileNameStats
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_logger.LogInformation($"Downloading stats for field '{fieldName}' in cropyear {cropYear} to {fileNameStats}");
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string downloadedStats = await _generalService.DownloadSatelliteStats(satelliteItemsCropYear, fieldName, satelliteBands, downloadFolder);
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// Add contents of this csv file to thee single large csv file
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// Add contents of this csv file to the single large csv file
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var retainedLines = File.ReadAllLines(downloadedStats).Skip(1);
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File.AppendAllLines(fileNameStats, retainedLines);
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File.Delete(downloadedStats);
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@ -1,46 +1,44 @@
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||||
[
|
||||
{
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"fieldName": "5641", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
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"cropYear": 1999, //For testing a year for which we know no satellite data available, program shouldn't crash
|
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"fieldID": 5641,
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"SatelliteBands": [ "wdvi", "ndvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
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"lastdownloadedimagedate": "1999-01-01", //downloads images from this date till end of the year
|
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"fieldName": "MyField_1", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
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"cropYear": 2023,
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"fieldID": 1,
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"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
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"lastdownloadedimagedate": "2023-01-01", //downloads images from this date till end of the year
|
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"geometryJson": {
|
||||
"type": "Polygon",
|
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"coordinates": [
|
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[
|
||||
[ 3.37837807779104, 51.3231095796538 ],
|
||||
[ 3.38065689232502, 51.3212527499355 ],
|
||||
[ 3.38022924592256, 51.3210683536359 ],
|
||||
[ 3.37980548452565, 51.3208801127141 ],
|
||||
[ 3.37959556105776, 51.3207540143696 ],
|
||||
[ 3.3793691292654, 51.3205959677371 ],
|
||||
[ 3.37822219207335, 51.3215667913007 ],
|
||||
[ 3.37816999925795, 51.3216109809456 ],
|
||||
[ 3.37646704574705, 51.3208025481261 ],
|
||||
[ 3.37646695791282, 51.3208025061493 ],
|
||||
[ 3.37608401443192, 51.3206231652693 ],
|
||||
[ 3.37607169507628, 51.3206173959751 ],
|
||||
[ 3.37606021048754, 51.320612017601 ],
|
||||
[ 3.37582728410659, 51.3205029306946 ],
|
||||
[ 3.37580409779263, 51.3206502985963 ],
|
||||
[ 3.37575872019649, 51.3207993094705 ],
|
||||
[ 3.37575476634361, 51.3208122883487 ],
|
||||
[ 3.37571181656268, 51.3208797459348 ],
|
||||
[ 3.3756624532907, 51.3209415238446 ],
|
||||
[ 3.37557609963811, 51.3210110142077 ],
|
||||
[ 3.37541089899821, 51.3211055871218 ],
|
||||
[ 3.37477516102591, 51.3214102985009 ],
|
||||
[ 3.37473173914127, 51.3214311108204 ],
|
||||
[ 3.37455904622072, 51.3215138815012 ],
|
||||
[ 3.37415098054777, 51.3217199232877 ],
|
||||
[ 3.37313700916272, 51.3222422862785 ],
|
||||
[ 3.37748824689601, 51.3242852920348 ],
|
||||
[ 3.37749760805371, 51.3242713084009 ],
|
||||
[ 3.37811903757028, 51.3233437635596 ],
|
||||
[ 3.37818758851947, 51.3232647797363 ],
|
||||
[ 3.37823803668144, 51.3232236798646 ],
|
||||
[ 3.37837807779104, 51.3231095796538 ]
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
"downloadFolder": "C:\\workdir\\groenmonitor\\", //if not yet existing this folder will be created
|
||||
"fileNameStats": "BulkSatDownload.csv", //if file exists, probably will be overwritten. Check code in BulkSatDownloadApplication.cs
|
||||
"database": null, // keep null to work with json and csv. Check code in BulkSatDownloadApplication.cs if reading/writing to/from database
|
||||
"schemaname": null,
|
||||
"cropfieldtable": null,
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "MyField_2", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2022, // for testing same field last year (i.e. 2021)
|
||||
"fieldID": 2,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2022-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
@ -52,47 +50,20 @@
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "5641", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2021, //For testing a year for which we know no satellite data available, program shouldn't crash
|
||||
"fieldID": 5641,
|
||||
"SatelliteBands": [ "wdvi", "ndvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"fieldName": "MyField_3", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2021,
|
||||
"fieldID": 3,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2021-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 3.37837807779104, 51.3231095796538 ],
|
||||
[ 3.38065689232502, 51.3212527499355 ],
|
||||
[ 3.38022924592256, 51.3210683536359 ],
|
||||
[ 3.37980548452565, 51.3208801127141 ],
|
||||
[ 3.37959556105776, 51.3207540143696 ],
|
||||
[ 3.3793691292654, 51.3205959677371 ],
|
||||
[ 3.37822219207335, 51.3215667913007 ],
|
||||
[ 3.37816999925795, 51.3216109809456 ],
|
||||
[ 3.37646704574705, 51.3208025481261 ],
|
||||
[ 3.37646695791282, 51.3208025061493 ],
|
||||
[ 3.37608401443192, 51.3206231652693 ],
|
||||
[ 3.37607169507628, 51.3206173959751 ],
|
||||
[ 3.37606021048754, 51.320612017601 ],
|
||||
[ 3.37582728410659, 51.3205029306946 ],
|
||||
[ 3.37580409779263, 51.3206502985963 ],
|
||||
[ 3.37575872019649, 51.3207993094705 ],
|
||||
[ 3.37575476634361, 51.3208122883487 ],
|
||||
[ 3.37571181656268, 51.3208797459348 ],
|
||||
[ 3.3756624532907, 51.3209415238446 ],
|
||||
[ 3.37557609963811, 51.3210110142077 ],
|
||||
[ 3.37541089899821, 51.3211055871218 ],
|
||||
[ 3.37477516102591, 51.3214102985009 ],
|
||||
[ 3.37473173914127, 51.3214311108204 ],
|
||||
[ 3.37455904622072, 51.3215138815012 ],
|
||||
[ 3.37415098054777, 51.3217199232877 ],
|
||||
[ 3.37313700916272, 51.3222422862785 ],
|
||||
[ 3.37748824689601, 51.3242852920348 ],
|
||||
[ 3.37749760805371, 51.3242713084009 ],
|
||||
[ 3.37811903757028, 51.3233437635596 ],
|
||||
[ 3.37818758851947, 51.3232647797363 ],
|
||||
[ 3.37823803668144, 51.3232236798646 ],
|
||||
[ 3.37837807779104, 51.3231095796538 ]
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
@ -104,47 +75,20 @@
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "5641", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"fieldName": "MyField_4", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2020,
|
||||
"fieldID": 5641,
|
||||
"SatelliteBands": [ "wdvi", "ndvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"fieldID": 4,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2020-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 3.37837807779104, 51.3231095796538 ],
|
||||
[ 3.38065689232502, 51.3212527499355 ],
|
||||
[ 3.38022924592256, 51.3210683536359 ],
|
||||
[ 3.37980548452565, 51.3208801127141 ],
|
||||
[ 3.37959556105776, 51.3207540143696 ],
|
||||
[ 3.3793691292654, 51.3205959677371 ],
|
||||
[ 3.37822219207335, 51.3215667913007 ],
|
||||
[ 3.37816999925795, 51.3216109809456 ],
|
||||
[ 3.37646704574705, 51.3208025481261 ],
|
||||
[ 3.37646695791282, 51.3208025061493 ],
|
||||
[ 3.37608401443192, 51.3206231652693 ],
|
||||
[ 3.37607169507628, 51.3206173959751 ],
|
||||
[ 3.37606021048754, 51.320612017601 ],
|
||||
[ 3.37582728410659, 51.3205029306946 ],
|
||||
[ 3.37580409779263, 51.3206502985963 ],
|
||||
[ 3.37575872019649, 51.3207993094705 ],
|
||||
[ 3.37575476634361, 51.3208122883487 ],
|
||||
[ 3.37571181656268, 51.3208797459348 ],
|
||||
[ 3.3756624532907, 51.3209415238446 ],
|
||||
[ 3.37557609963811, 51.3210110142077 ],
|
||||
[ 3.37541089899821, 51.3211055871218 ],
|
||||
[ 3.37477516102591, 51.3214102985009 ],
|
||||
[ 3.37473173914127, 51.3214311108204 ],
|
||||
[ 3.37455904622072, 51.3215138815012 ],
|
||||
[ 3.37415098054777, 51.3217199232877 ],
|
||||
[ 3.37313700916272, 51.3222422862785 ],
|
||||
[ 3.37748824689601, 51.3242852920348 ],
|
||||
[ 3.37749760805371, 51.3242713084009 ],
|
||||
[ 3.37811903757028, 51.3233437635596 ],
|
||||
[ 3.37818758851947, 51.3232647797363 ],
|
||||
[ 3.37823803668144, 51.3232236798646 ],
|
||||
[ 3.37837807779104, 51.3231095796538 ]
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
@ -156,47 +100,20 @@
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "5641", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"fieldName": "MyField_5", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2019,
|
||||
"fieldID": 5641,
|
||||
"SatelliteBands": [ "wdvi", "ndvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"fieldID": 5,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2019-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 3.37837807779104, 51.3231095796538 ],
|
||||
[ 3.38065689232502, 51.3212527499355 ],
|
||||
[ 3.38022924592256, 51.3210683536359 ],
|
||||
[ 3.37980548452565, 51.3208801127141 ],
|
||||
[ 3.37959556105776, 51.3207540143696 ],
|
||||
[ 3.3793691292654, 51.3205959677371 ],
|
||||
[ 3.37822219207335, 51.3215667913007 ],
|
||||
[ 3.37816999925795, 51.3216109809456 ],
|
||||
[ 3.37646704574705, 51.3208025481261 ],
|
||||
[ 3.37646695791282, 51.3208025061493 ],
|
||||
[ 3.37608401443192, 51.3206231652693 ],
|
||||
[ 3.37607169507628, 51.3206173959751 ],
|
||||
[ 3.37606021048754, 51.320612017601 ],
|
||||
[ 3.37582728410659, 51.3205029306946 ],
|
||||
[ 3.37580409779263, 51.3206502985963 ],
|
||||
[ 3.37575872019649, 51.3207993094705 ],
|
||||
[ 3.37575476634361, 51.3208122883487 ],
|
||||
[ 3.37571181656268, 51.3208797459348 ],
|
||||
[ 3.3756624532907, 51.3209415238446 ],
|
||||
[ 3.37557609963811, 51.3210110142077 ],
|
||||
[ 3.37541089899821, 51.3211055871218 ],
|
||||
[ 3.37477516102591, 51.3214102985009 ],
|
||||
[ 3.37473173914127, 51.3214311108204 ],
|
||||
[ 3.37455904622072, 51.3215138815012 ],
|
||||
[ 3.37415098054777, 51.3217199232877 ],
|
||||
[ 3.37313700916272, 51.3222422862785 ],
|
||||
[ 3.37748824689601, 51.3242852920348 ],
|
||||
[ 3.37749760805371, 51.3242713084009 ],
|
||||
[ 3.37811903757028, 51.3233437635596 ],
|
||||
[ 3.37818758851947, 51.3232647797363 ],
|
||||
[ 3.37823803668144, 51.3232236798646 ],
|
||||
[ 3.37837807779104, 51.3231095796538 ]
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
@ -208,47 +125,95 @@
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "5641", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2018, //little to no images for 2018
|
||||
"fieldID": 5641,
|
||||
"SatelliteBands": [ "wdvi", "ndvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"fieldName": "MyField_6", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2018,
|
||||
"fieldID": 6,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2018-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 3.37837807779104, 51.3231095796538 ],
|
||||
[ 3.38065689232502, 51.3212527499355 ],
|
||||
[ 3.38022924592256, 51.3210683536359 ],
|
||||
[ 3.37980548452565, 51.3208801127141 ],
|
||||
[ 3.37959556105776, 51.3207540143696 ],
|
||||
[ 3.3793691292654, 51.3205959677371 ],
|
||||
[ 3.37822219207335, 51.3215667913007 ],
|
||||
[ 3.37816999925795, 51.3216109809456 ],
|
||||
[ 3.37646704574705, 51.3208025481261 ],
|
||||
[ 3.37646695791282, 51.3208025061493 ],
|
||||
[ 3.37608401443192, 51.3206231652693 ],
|
||||
[ 3.37607169507628, 51.3206173959751 ],
|
||||
[ 3.37606021048754, 51.320612017601 ],
|
||||
[ 3.37582728410659, 51.3205029306946 ],
|
||||
[ 3.37580409779263, 51.3206502985963 ],
|
||||
[ 3.37575872019649, 51.3207993094705 ],
|
||||
[ 3.37575476634361, 51.3208122883487 ],
|
||||
[ 3.37571181656268, 51.3208797459348 ],
|
||||
[ 3.3756624532907, 51.3209415238446 ],
|
||||
[ 3.37557609963811, 51.3210110142077 ],
|
||||
[ 3.37541089899821, 51.3211055871218 ],
|
||||
[ 3.37477516102591, 51.3214102985009 ],
|
||||
[ 3.37473173914127, 51.3214311108204 ],
|
||||
[ 3.37455904622072, 51.3215138815012 ],
|
||||
[ 3.37415098054777, 51.3217199232877 ],
|
||||
[ 3.37313700916272, 51.3222422862785 ],
|
||||
[ 3.37748824689601, 51.3242852920348 ],
|
||||
[ 3.37749760805371, 51.3242713084009 ],
|
||||
[ 3.37811903757028, 51.3233437635596 ],
|
||||
[ 3.37818758851947, 51.3232647797363 ],
|
||||
[ 3.37823803668144, 51.3232236798646 ],
|
||||
[ 3.37837807779104, 51.3231095796538 ]
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
"downloadFolder": "C:\\workdir\\groenmonitor\\",
|
||||
"fileNameStats": "BulkSatDownload.csv",
|
||||
"database": null,
|
||||
"schemaname": null,
|
||||
"cropfieldtable": null,
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "MyField_6", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson
|
||||
"cropYear": 2017,
|
||||
"fieldID": 7,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2017-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
"downloadFolder": "C:\\workdir\\groenmonitor\\",
|
||||
"fileNameStats": "BulkSatDownload.csv",
|
||||
"database": null,
|
||||
"schemaname": null,
|
||||
"cropfieldtable": null,
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "MyField_8", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson. Actually no Satellite data before 2017. This here to illustrate the program does not crash
|
||||
"cropYear": 2016,
|
||||
"fieldID": 8,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2016-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
"downloadFolder": "C:\\workdir\\groenmonitor\\",
|
||||
"fileNameStats": "BulkSatDownload.csv",
|
||||
"database": null,
|
||||
"schemaname": null,
|
||||
"cropfieldtable": null,
|
||||
"satelllitetable": null
|
||||
},
|
||||
{
|
||||
"fieldName": "MyField_9", // FarmMaps minimum needs are: fieldName, cropYear & geometryJson. Actually no Satellite data before 2017. This here to illustrate the program does not crash
|
||||
"cropYear": 2015,
|
||||
"fieldID": 9,
|
||||
"SatelliteBands": [ "ci-red", "ndvi", "wdvi" ], // ["ndvi"] or ["wdvi"] or both: [ "wdvi", "ndvi" ]
|
||||
"lastdownloadedimagedate": "2015-01-01", //downloads images from this date till end of the year
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
},
|
||||
|
||||
@ -1,178 +0,0 @@
|
||||
# ShowGeotiff.r
|
||||
# I downloaded and calculated the stats for the polygon defined in C:\git\FarmMapsApiClient_WURtest\FarmmapsDataDownload\DataDownloadInput.json
|
||||
# in which I set "SatelliteBand": "wdvi" and in which in the console I requested the image for date '2020-09-22'
|
||||
# FarmmapsBulkSatDownload generates many files. Here is what I tried when inputing the same field for a number of years using BulkSatDownloadInput.json
|
||||
# see list below
|
||||
|
||||
library(raster)
|
||||
library(sf)
|
||||
library(rgdal)
|
||||
setwd("C:/workdir/groenmonitor/DataDownload/")
|
||||
|
||||
# FarmmapsDataDownload and BulkSatDownload can be used to download zip files with inside two files:
|
||||
fileGeotiff <- "wenr.tif"
|
||||
fileJpg <- "thumbnail.jpg"
|
||||
# Here is what I tried when inputing the same field for a number of years:
|
||||
# fileGeotiff <- "wheat_fld5641_20210224.tif" # 2 files for year 2021. This file is a nice example having in upperleft corner no data
|
||||
# fileGeotiff <- "wheat_fld5641_20210331.tif" # 2 files for year 2021
|
||||
# fileGeotiff <- "wheat_fld5641_20200321.tif" # 14 files for year 2020, earliest
|
||||
# fileGeotiff <- "wheat_fld5641_20200922.tif" # 14 files for year 2020, latest
|
||||
# fileGeotiff <- "wheat_fld5641_20190121.tif" # 9 files for year 2019, earliest
|
||||
# fileGeotiff <- "wheat_fld5641_20191117.tif" # 9 files for year 2019, latest
|
||||
# 1 file for year 2018, with error message 'End of Central Directory record could not be found' and invalid wheat_fld5641_20180630.zip
|
||||
# fileGeotiff <- "wheat_fld5641_20170526.tif" # 1 file for year 2017
|
||||
# Zero files for 2016
|
||||
lenfilename <- nchar(fileGeotiff)
|
||||
year <- substr(fileGeotiff,lenfilename-11,lenfilename-8)
|
||||
imgdate <- substr(fileGeotiff,lenfilename-11,lenfilename-4)
|
||||
|
||||
# The thumbnail has the polygon clipped out, has 1 layer, no crs and the mean value is not the mean wdvi we are looking for
|
||||
r.thumbnail <- raster(fileJpg)
|
||||
plot(r.thumbnail)
|
||||
crs(r.thumbnail)
|
||||
#CRS arguments: NA
|
||||
cellStats(r.thumbnail,'mean') #87.5128 # nonsense
|
||||
|
||||
stk.wenr <- stack(x=fileGeotiff)
|
||||
# plot(stk.wenr) shows 5 plots (5 bands)
|
||||
# I think these are:
|
||||
# 1. ndvi (since it runs from 0 to 1)
|
||||
# 2. wdvi (since it runs from 0 to 0.5)
|
||||
# 3-5: RGB (since they run from 0 to 255)
|
||||
plot(stk.wenr)
|
||||
# CRS arguments:
|
||||
# +proj=sterea +lat_0=52.1561605555556 +lon_0=5.38763888888889 +k=0.9999079 +x_0=155000 +y_0=463000 +ellps=bessel +units=m +no_defs
|
||||
# Or use st_crs(stk.wenr) to get more info, but no EPSG code in there.
|
||||
# Likely it is epsg:28992 (Amersfoort)
|
||||
crs(stk.wenr)
|
||||
stk.wenr <- projectRaster(stk.wenr, crs = CRS('+init=EPSG:28992'))
|
||||
crs(stk.wenr)
|
||||
# Looks the same but strangely, if we don't do projectRaster(stk.wenr, crs = CRS('+init=EPSG:28992')), we find below the bottom left corner of the polygon missing
|
||||
|
||||
r.wenr.rd.wdvi <- subset(stk.wenr,2)
|
||||
dev.off()
|
||||
plot(r.wenr.rd.wdvi,main=paste("wdvi",imgdate),xlab="RDX",ylab="RDY")
|
||||
cellStats(r.wenr.rd.wdvi,'mean') #0.1350561
|
||||
|
||||
# Furthermore we can see
|
||||
# shows coordinates in RD
|
||||
# returns a rectangle, thus the shape of the polygon submitted is not clipped.
|
||||
# The polygon was provided in WGS84. Let's draw it on top.
|
||||
# First convert the raster to WGS84
|
||||
r.wenr.wgs84.wdvi <- projectRaster(r.wenr.rd.wdvi, crs = CRS('+init=EPSG:4326'))
|
||||
|
||||
# Draw a polygon on top of the raster
|
||||
# Example polygon p1
|
||||
# p1 <- data.frame(id = 1, wkt = 'POLYGON((4.963 52.801, 4.966 52.801, 4.966 52.803, 4.963 52.803, 4.963 52.801))')
|
||||
# p1 <- st_as_sf(p1, wkt = 'wkt', crs = targetcrs)
|
||||
# plot(p1,add=TRUE, col="transparent",border="black")
|
||||
# Draw the polygon on top of the raster
|
||||
# Polygon p2 from C:\git\FarmMapsApiClient_WURtest\FarmmapsDataDownload\DataDownloadInput.json
|
||||
p2 <- data.frame(id = 1, wkt = gsub("\n","",'POLYGON((
|
||||
4.960707146896585 52.800583669708487,
|
||||
4.960645975538824 52.800470217610922,
|
||||
4.962140695752897 52.799177147194797,
|
||||
4.967523821195745 52.801502400041208,
|
||||
4.966336768950911 52.802543735879809,
|
||||
4.961711880764330 52.801009996856429,
|
||||
4.960707146896585 52.800583669708487))'))
|
||||
# Polygon p2 from C:\git\FarmMapsApiClient_WURtest\FarmmapsBulkSatDownload\BulkSatDownloadInput.json
|
||||
p2 <- data.frame(id = 1, wkt = gsub("\n","",'POLYGON((
|
||||
3.37837807779104 51.3231095796538,
|
||||
3.38065689232502 51.3212527499355,
|
||||
3.38022924592256 51.3210683536359,
|
||||
3.37980548452565 51.3208801127141,
|
||||
3.37959556105776 51.3207540143696,
|
||||
3.3793691292654 51.3205959677371,
|
||||
3.37822219207335 51.3215667913007,
|
||||
3.37816999925795 51.3216109809456,
|
||||
3.37646704574705 51.3208025481261,
|
||||
3.37646695791282 51.3208025061493,
|
||||
3.37608401443192 51.3206231652693,
|
||||
3.37607169507628 51.3206173959751,
|
||||
3.37606021048754 51.320612017601,
|
||||
3.37582728410659 51.3205029306946,
|
||||
3.37580409779263 51.3206502985963,
|
||||
3.37575872019649 51.3207993094705,
|
||||
3.37575476634361 51.3208122883487,
|
||||
3.37571181656268 51.3208797459348,
|
||||
3.3756624532907 51.3209415238446,
|
||||
3.37557609963811 51.3210110142077,
|
||||
3.37541089899821 51.3211055871218,
|
||||
3.37477516102591 51.3214102985009,
|
||||
3.37473173914127 51.3214311108204,
|
||||
3.37455904622072 51.3215138815012,
|
||||
3.37415098054777 51.3217199232877,
|
||||
3.37313700916272 51.3222422862785,
|
||||
3.37748824689601 51.3242852920348,
|
||||
3.37749760805371 51.3242713084009,
|
||||
3.37811903757028 51.3233437635596,
|
||||
3.37818758851947 51.3232647797363,
|
||||
3.37823803668144 51.3232236798646,
|
||||
3.37837807779104 51.3231095796538))'))
|
||||
p2.wgs84 <- st_as_sf(p2, wkt = 'wkt', crs = CRS('+init=EPSG:4326'))
|
||||
# Or other way round, in RD Amersfoort. That looks ok
|
||||
p2.rd <- st_transform(p2.wgs84, "+init=epsg:28992")
|
||||
|
||||
# Have a look at both
|
||||
# wg84
|
||||
dev.off()
|
||||
plot(r.wenr.wgs84.wdvi,main=paste("wdvi",imgdate),xlab="LON",ylab="LAT")
|
||||
plot(p2.wgs84,add=TRUE, col="transparent",border="red")
|
||||
# RD
|
||||
dev.off()
|
||||
plot(r.wenr.rd.wdvi,main=paste("wdvi",imgdate),xlab="RDX",ylab="RDY")
|
||||
plot(p2.rd,add=TRUE, col="transparent",border="red")
|
||||
|
||||
#Let's clip the polygon
|
||||
r.wenr.rd.wdvi.pol <- mask(r.wenr.rd.wdvi,p2.rd)
|
||||
r.wenr.wgs84.wdvi.pol <- mask(r.wenr.wgs84.wdvi,p2.wgs84)
|
||||
dev.off()
|
||||
plot(r.wenr.wgs84.wdvi.pol,main=paste("wdvi",imgdate),xlab="LON",ylab="LAT")
|
||||
plot(p2.wgs84,add=TRUE, col="transparent",border="red")
|
||||
#That's what we want! Now compare the stats
|
||||
cellStats(r.wenr.rd.wdvi,'mean') # [1] 0.1350561 # Stats from rectangle, RD
|
||||
cellStats(r.wenr.wgs84.wdvi,'mean') # [1] 0.1351411 # Stats from rectangle, WGS84
|
||||
cellStats(r.wenr.rd.wdvi.pol,'mean') # [1] 0.05723957 # Stats from raster clipped by polygon, RD
|
||||
cellStats(r.wenr.wgs84.wdvi.pol,'mean') # [1] 0.05723607 # Stats from raster clipped by polygon, WGS84
|
||||
# file SatelliteDataStatistics_test_satData_wdvi_2020-09-22.csv
|
||||
# "mean": 0.057430520945401985 # SatelliteDataStatistics_test_satData_wdvi_2020.csv returns stats for the clipped raster (.pol). 'mean' almost the same, maybe
|
||||
# cellStats cannot return median, just a few stats.
|
||||
cellStats(r.wenr.wgs84.wdvi.pol,'median') # Error in .local(x, stat, ...) : invalid 'stat'. Should be sum, min, max, sd, mean, or 'countNA'
|
||||
r.wenr.wgs84.wdvi.vals <- values(r.wenr.wgs84.wdvi)
|
||||
median(r.wenr.wgs84.wdvi.vals) # [1] NA
|
||||
median(r.wenr.wgs84.wdvi.vals,na.rm=TRUE) # [1] 0.076
|
||||
r.wenr.wgs84.wdvi.pol.vals <- values(r.wenr.wgs84.wdvi.pol)
|
||||
median(r.wenr.wgs84.wdvi.pol.vals) # [1] NA
|
||||
median(r.wenr.wgs84.wdvi.pol.vals,na.rm=TRUE) # [1] 0.048
|
||||
# "median": 0.04800000041723251 # SatelliteDataStatistics_test_satData_wdvi_2020.csv returns stats for the clipped raster (.pol).
|
||||
# An image may contain NA values. Check:
|
||||
cellStats(r.wenr.wgs84.wdvi,'countNA') # [1] 22956
|
||||
ncell(r.wenr.wgs84.wdvi) # [1] 221696
|
||||
cellStats(r.wenr.wgs84.wdvi,'countNA') / ncell(r.wenr.wgs84.wdvi) # [1] 0.1035472 # 10% no data? doesn't show in the plot?
|
||||
cellStats(r.wenr.wgs84.wdvi.pol,'countNA') # [1] 147387
|
||||
summary(r.wenr.wgs84.wdvi.pol.vals) # shows the same: NA's: 147387
|
||||
ncell(r.wenr.wgs84.wdvi.pol) # [1] 221696
|
||||
cellStats(r.wenr.wgs84.wdvi.pol,'countNA') / ncell(r.wenr.wgs84.wdvi.pol) # [1] 0.6648158 # 66% no data? doesn't show in the plot?
|
||||
|
||||
# The project FarmmapsNbs can generate a wenr.tif file, application.tif, uptake.tif (in rtest1.uptake.zip)and shape.shp (in rtest1.taskmap.zip)
|
||||
r.application <- raster("C:/git/FarmMapsApiClient_WURtest/FarmmapsNbs/bin/Debug/netcoreapp3.1/Downloads/application.tif")
|
||||
dev.off()
|
||||
plot(r.application)
|
||||
plot(p2.rd,add=TRUE, col="transparent",border="red")
|
||||
# The application.tif file is a rectangle (polygon not yet clipped), in projection Amersfoort RD New (EPSG:28992)
|
||||
|
||||
r.uptake <- raster("C:/git/FarmMapsApiClient_WURtest/FarmmapsNbs/bin/Debug/netcoreapp3.1/Downloads/uptake.tif")
|
||||
dev.off()
|
||||
plot(r.uptake)
|
||||
plot(p2.rd,add=TRUE, col="transparent",border="red")
|
||||
# The uptake.tif file is a rectangle (polygon not yet clipped), in projection Amersfoort RD New (EPSG:28992)
|
||||
|
||||
shp.wgs84 <- readOGR(dsn="C:/git/FarmMapsApiClient_WURtest/FarmmapsNbs/bin/Debug/netcoreapp3.1/Downloads", layer="shape")
|
||||
crs(shp.wgs84)
|
||||
# CRS arguments: +proj=longlat +datum=WGS84 +no_defs
|
||||
dev.off()
|
||||
plot(r.wenr.wgs84.wdvi,main="wdvi",xlab="LON",ylab="LAT")
|
||||
plot(shp.wgs84,add=TRUE, col="transparent",border="black")
|
||||
plot(p2.wgs84,add=TRUE, col="transparent",border="red")
|
||||
# The shape file is in WGS84
|
||||
@ -38,7 +38,7 @@ namespace FarmmapsDataDownload
|
||||
|
||||
public async Task RunAsync()
|
||||
{
|
||||
var fieldsInputJson = File.ReadAllText("DataDownloadInput.json");
|
||||
string fieldsInputJson = File.ReadAllText("DataDownloadInput.json");
|
||||
|
||||
List<DataDownloadInput> fieldsInputs = JsonConvert.DeserializeObject<List<DataDownloadInput>>(fieldsInputJson);
|
||||
|
||||
@ -61,6 +61,28 @@ namespace FarmmapsDataDownload
|
||||
|
||||
private async Task Process(List<UserRoot> roots, DataDownloadInput input)
|
||||
{
|
||||
//PO20220311: first time a call is made to download satellite images or statistics, an empty list is returned
|
||||
//If we wait a bit longer, e.g. 10 secs, then e.g. a list of 3 images may be returned
|
||||
//If we wait still longer, maybe 4 images.
|
||||
//The solution implemented below is to fire calls as long as the number of images returned keeps increasing
|
||||
//While in between each call, sleep for sleepSecs
|
||||
//Continue this until the number no longer increases or the maximum number of calls has been reached
|
||||
//Out of politeness, don't be too impatient. Don't set sleepSecs to 5 or 10 or 30 secs. Just accept this may take a while, have a coffee, we suggest sleepSecs = 60;
|
||||
int sleepSecs = 60;
|
||||
int callCntMax = 4;
|
||||
//For example we may set: "sleepSecs = 10;" and "callCntMax = 24;" and following result:
|
||||
//Call no: 1. Giving FarmMaps 10 seconds to get SatelliteItems...
|
||||
//Call no: 1: Received 2 images
|
||||
//Call no: 2. Giving FarmMaps 10 seconds to get SatelliteItems...
|
||||
//Call no: 2: Received 7 images
|
||||
//Call no: 3. Giving FarmMaps 10 seconds to get SatelliteItems...
|
||||
//Call no: 3: Received 7 images
|
||||
//And the firing of calls would stop because the number of images returned is no longer increasing
|
||||
//In the worst case, this could would lead to a total sleeping period of "sleepSecsSum = sleepSecs * callCntMax" seconds. After that we give up
|
||||
|
||||
//This is an ugly fix. Neater would if FarmMaps would just take a bit longer and then do always deliver all satellite images on first call.
|
||||
//Once this has been fixed on the side of FarmMaps we can set callCntMax = 0 and the code below will work smoothly without any sleeping
|
||||
|
||||
string downloadFolder = input.DownloadFolder;
|
||||
if (string.IsNullOrEmpty(downloadFolder)) {
|
||||
downloadFolder = "Downloads";
|
||||
@ -74,7 +96,8 @@ namespace FarmmapsDataDownload
|
||||
var fieldName = input.fieldName;
|
||||
bool storeSatelliteStatistics = input.StoreSatelliteStatisticsSingleImage;
|
||||
bool storeSatelliteStatisticsCropYear = input.StoreSatelliteStatisticsCropYear;
|
||||
List<string> SatelliteBands = new List<string>(1) { input.SatelliteBand };
|
||||
//List<string> SatelliteBands = new List<string>(1) { input.SatelliteBand };
|
||||
List<string> satelliteBands = input.SatelliteBands;
|
||||
string headerLineStats = $"FieldName,satelliteDate,satelliteBand,max,min,mean,mode,median,stddev,minPlus,curtosis,maxMinus,skewness,variance,populationCount,variationCoefficient,confidenceIntervalLow, confidenceIntervalHigh,confidenceIntervalErrorMargin" + Environment.NewLine;
|
||||
|
||||
|
||||
@ -166,12 +189,58 @@ namespace FarmmapsDataDownload
|
||||
SaveSettings(settingsfile);
|
||||
}
|
||||
|
||||
|
||||
// Select all satellite items
|
||||
//Call first time
|
||||
int callCnt = 1;
|
||||
int sleepSecsSum = 0;
|
||||
//if callCntMax == 0 then don't sleep
|
||||
//if callCntMax = 1 then sleep first 1x
|
||||
if (callCntMax > 0)
|
||||
{
|
||||
_logger.LogInformation($"Call no: {callCnt}. Giving FarmMaps {sleepSecs} seconds to get SatelliteItems...");
|
||||
System.Threading.Thread.Sleep(1000 * sleepSecs);
|
||||
sleepSecsSum = sleepSecsSum + sleepSecs;
|
||||
}
|
||||
List<Item> satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, _settings.SatelliteTaskCode);
|
||||
int satelliteItemsCropYearCntPrev = satelliteItemsCropYear.Count;
|
||||
_logger.LogInformation($"Call no: {callCnt}. Received {satelliteItemsCropYearCntPrev} images");
|
||||
callCnt++;
|
||||
int satelliteItemsCropYearCnt = satelliteItemsCropYearCntPrev;
|
||||
//if callCntMax > 1 then sleep untill (1) no more increase in number of images received OR (2) maximum number of calls reached
|
||||
if (callCntMax > 1)
|
||||
{
|
||||
//Call second time
|
||||
_logger.LogInformation($"Call no: {callCnt}. Giving FarmMaps another {sleepSecs} seconds to get SatelliteItems...");
|
||||
System.Threading.Thread.Sleep(1000 * sleepSecs);
|
||||
satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, _settings.SatelliteTaskCode);
|
||||
satelliteItemsCropYearCnt = satelliteItemsCropYear.Count;
|
||||
_logger.LogInformation($"Call no: {callCnt}. Received {satelliteItemsCropYearCnt} images");
|
||||
sleepSecsSum = sleepSecsSum + sleepSecs;
|
||||
//As long as there is progress, keep calling
|
||||
callCnt++;
|
||||
while (callCnt <= callCntMax && (satelliteItemsCropYearCnt == 0 || satelliteItemsCropYearCnt > satelliteItemsCropYearCntPrev))
|
||||
{
|
||||
_logger.LogInformation($"Surprise! The longer we wait, the more images we get. Sleep and call once more");
|
||||
satelliteItemsCropYearCntPrev = satelliteItemsCropYearCnt;
|
||||
_logger.LogInformation($"Call no: {callCnt} (max: {callCntMax}). Giving FarmMaps another {sleepSecs} seconds to get SatelliteItems...");
|
||||
System.Threading.Thread.Sleep(1000 * sleepSecs);
|
||||
satelliteItemsCropYear = await _generalService.FindSatelliteItems(cropfieldItem, _settings.SatelliteTaskCode);
|
||||
satelliteItemsCropYearCnt = satelliteItemsCropYear.Count;
|
||||
_logger.LogInformation($"Call no: {callCnt}. Received {satelliteItemsCropYearCnt} images");
|
||||
callCnt++;
|
||||
sleepSecsSum = sleepSecsSum + sleepSecs;
|
||||
}
|
||||
}
|
||||
|
||||
if (satelliteItemsCropYearCnt == 0)
|
||||
{
|
||||
_logger.LogWarning($"DataDownloadApplication.cs: after calling one or more times and " +
|
||||
$"sleeping in total {sleepSecsSum} seconds, still no images found. " +
|
||||
$"Please check your settings for parameters callCntMax and sleepSecs in DataDownloadApplication.cs or contact FarmMaps");
|
||||
}
|
||||
|
||||
satelliteItemsCropYear = satelliteItemsCropYear.OrderBy(x => x.DataDate).ToList();
|
||||
|
||||
if (input.StoreSatelliteStatisticsSingleImage == true) {
|
||||
if (input.StoreSatelliteStatisticsSingleImage == true && satelliteItemsCropYearCnt > 0) {
|
||||
_logger.LogInformation("Available satellite images:");
|
||||
var count = 0;
|
||||
TimeSpan.FromSeconds(0.5);
|
||||
@ -188,43 +257,49 @@ namespace FarmmapsDataDownload
|
||||
|
||||
var SatelliteDate = selectedSatelliteItem.DataDate.Value.ToString("yyyyMMdd");
|
||||
string fileName = string.Format($"satelliteGeotiff_{fieldName}_{SatelliteDate}"); // no need to add satelliteBand in the name because the tif contains all bands
|
||||
string fileNameZip = string.Format($"{fileName}.zip");
|
||||
string fileNameGeotiff = string.Format($"{fileName}.tif");
|
||||
await _farmmapsApiService.DownloadItemAsync(selectedSatelliteItem.Code, Path.Combine(downloadFolder, fileNameZip));
|
||||
string fileNameZip = Path.Combine(downloadFolder, string.Format($"{fileName}.zip"));
|
||||
await _farmmapsApiService.DownloadItemAsync(selectedSatelliteItem.Code, fileNameZip);
|
||||
|
||||
// Download a csv file with stats
|
||||
List<Item> selectedSatalliteItems = new List<Item>(1) { selectedSatelliteItem };
|
||||
List<Item> selectedSatelliteItems = new List<Item>(1) { selectedSatelliteItem };
|
||||
string fileNameStats = Path.Combine(downloadFolder, string.Format($"satelliteStats_{fieldName}_{SatelliteDate}.csv"));
|
||||
string downloadedStats = await _generalService.DownloadSatelliteStats(selectedSatalliteItems, fieldName, SatelliteBands, downloadFolder);
|
||||
_logger.LogInformation($"First call to get DownloadSatelliteStats for selected image...");
|
||||
string downloadedStats = await _generalService.DownloadSatelliteStats(selectedSatelliteItems, fieldName, satelliteBands, downloadFolder);
|
||||
|
||||
//rename the csv file with stats
|
||||
//if the targe file already exists, delete it
|
||||
File.Delete(fileNameStats);
|
||||
//rename
|
||||
File.Move(downloadedStats, fileNameStats);
|
||||
// wenr.tif. Contains 5 layers: (1) ndvi, (2) wdvi, (3) Red, (4) Green and (5) Blue
|
||||
// download the geotiffs. Returns a zip file with always these three files:
|
||||
// data.dat.aux.xml
|
||||
|
||||
// name the tif file
|
||||
string fileNameTifzipped = Path.Combine(downloadFolder, string.Format($"sentinelhub_{SatelliteDate}.tif"));
|
||||
string fileNameGeotiff = Path.Combine(downloadFolder, string.Format($"sentinelhub_{fieldName}_{SatelliteDate}.tif"));
|
||||
// download the geotiffs. Returns a zip file with always these two files:
|
||||
// thumbnail.jpg
|
||||
// wenr.tif. Contains 5 layers: (1) ndvi, (2) wdvi, (3) Red, (4) Green and (5) Blue
|
||||
// sentinelhub_yyyyMMdd.tif. Contains 4 layers: (1) ndvi, (2) wdvi, (3) ci-red and (4) natural. Natural has 3 layers inside: redBand, blueBand and greenBand
|
||||
if (true)
|
||||
{
|
||||
// Extract the file "wenr.tif" from zip, rename it to fileNameGeotiff
|
||||
ZipFile.ExtractToDirectory(Path.Combine(downloadFolder, fileNameZip), downloadFolder, true);
|
||||
File.Delete(Path.Combine(downloadFolder, fileNameGeotiff)); // Delete the fileNameGeotiff file if exists
|
||||
File.Move(Path.Combine(downloadFolder, "wenr.tif"), Path.Combine(downloadFolder, fileNameGeotiff)); // Rename the oldFileName into newFileName
|
||||
// Extract the file fileNameTifzipped from zip, rename it to fileNameGeotiff
|
||||
ZipFile.ExtractToDirectory(fileNameZip, downloadFolder, true);
|
||||
//if the targe file already exists, delete it
|
||||
File.Delete(fileNameGeotiff);
|
||||
//rename
|
||||
File.Move(fileNameTifzipped, fileNameGeotiff);
|
||||
|
||||
// Cleanup
|
||||
string[] filesToDelete = new string[] { fileNameZip, "wenr.tif", "thumbnail.jpg", "data.dat.aux.xml" };
|
||||
foreach (string f in filesToDelete)
|
||||
{
|
||||
File.Delete(Path.Combine(downloadFolder, f));
|
||||
File.Delete(fileNameZip);
|
||||
File.Delete(Path.Combine(downloadFolder, "thumbnail.jpg"));
|
||||
}
|
||||
}
|
||||
_logger.LogInformation($"Downloaded files {fileNameGeotiff} and {fileNameStats} to {downloadFolder}");
|
||||
//_logger.LogInformation($"Downloaded files {fileNameGeotiff} and {fileNameStats} to {downloadFolder}");
|
||||
_logger.LogInformation($"Downloaded files to {downloadFolder}");
|
||||
|
||||
}
|
||||
if (input.StoreSatelliteStatisticsCropYear == true) {
|
||||
string fileNameStats = Path.Combine(downloadFolder, string.Format($"satelliteStats_{fieldName}_{cropYear}.csv"));
|
||||
File.Delete(fileNameStats);
|
||||
string downloadedStats = await _generalService.DownloadSatelliteStats(satelliteItemsCropYear, fieldName, SatelliteBands, downloadFolder);
|
||||
_logger.LogInformation($"First call to get DownloadSatelliteStats for whole cropYear...");
|
||||
string downloadedStats = await _generalService.DownloadSatelliteStats(satelliteItemsCropYear, fieldName, satelliteBands, downloadFolder);
|
||||
File.Move(downloadedStats, fileNameStats);
|
||||
_logger.LogInformation($"Downloaded file {fileNameStats} with stats for field '{fieldName}', cropyear {cropYear}");
|
||||
}
|
||||
|
||||
@ -1,34 +1,30 @@
|
||||
[
|
||||
{
|
||||
"UseCreatedCropfield": true,
|
||||
"outputFileName": "TestData",
|
||||
"fieldName": "TestField",
|
||||
"UseCreatedCropfield": false, // if false, program will make new CropfieldItemCode and SatelliteTaskCode; if true, the program will read CropfieldItemCode and SatelliteTaskCode from a file called "..\FarmmapsDataDownload\bin\Debug\netcoreapp3.1\Settings_{fieldName}.json", which will be faster
|
||||
"outputFileName": "test_BvdTFieldlabG92",
|
||||
"fieldName": "test_BvdTFieldlabG92",
|
||||
"DownloadFolder": "Downloads", //"C:\\workdir\\groenmonitor\\", // "Downloads", -> if you just put "Downloads" the program will download to somewhere in ..\FarmMapsApiClient_WURtest\FarmmapsDataDownload\bin\Debug\netcoreapp3.1\Downloads\
|
||||
"GetCropRecordings": true,
|
||||
"GetCropRecordings": false,
|
||||
"CrprecItem": "...", //item code of de crop recording parrent - can be found by opening the crop recording page of a field.
|
||||
"GetShadowData": false,
|
||||
"GetSatelliteData": false,
|
||||
"SatelliteBand": "wdvi", // "natural", "ndvi" or "wdvi"
|
||||
"StoreSatelliteStatisticsSingleImage": false,
|
||||
"StoreSatelliteStatisticsCropYear": false,
|
||||
"GetSatelliteData": true,
|
||||
"SatelliteBands": [ "ndvi", "wdvi", "ci-red" ], // ["ndvi"] or ["wdvi"] or ["ci-red"] or multiple: [ "wdvi", "ndvi" ]
|
||||
"StoreSatelliteStatisticsSingleImage": true,
|
||||
"StoreSatelliteStatisticsCropYear": true,
|
||||
"GetVanDerSatData": false,
|
||||
"StoreVanDerSatStatistics": false,
|
||||
"CropYear": 2020,
|
||||
"CropYear": 2022,
|
||||
"geometryJson": {
|
||||
"type": "Polygon",
|
||||
"coordinates": [
|
||||
[
|
||||
[ 4.960707146896585, 52.800583669708487 ],
|
||||
[ 4.960645975538824, 52.800470217610922 ],
|
||||
[ 4.962140695752897, 52.799177147194797 ],
|
||||
[ 4.967523821195745, 52.801502400041208 ],
|
||||
[ 4.966336768950911, 52.802543735879809 ],
|
||||
[ 4.961711880764330, 52.801009996856429 ],
|
||||
[ 4.960707146896585, 52.800583669708487 ]
|
||||
[ 5.563472073408009, 52.547554398144172 ],
|
||||
[ 5.567425915520115, 52.547725375100377 ],
|
||||
[ 5.567917474269188, 52.540608459298582 ],
|
||||
[ 5.563878143678981, 52.54048022658143 ],
|
||||
[ 5.563472073408009, 52.547554398144172 ]
|
||||
]
|
||||
]
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
]
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
<PropertyGroup>
|
||||
<OutputType>Exe</OutputType>
|
||||
<TargetFramework>netcoreapp3.0</TargetFramework>
|
||||
<TargetFramework>netcoreapp3.1</TargetFramework>
|
||||
</PropertyGroup>
|
||||
|
||||
<ItemGroup>
|
||||
|
||||
@ -1,4 +1,5 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using Newtonsoft.Json.Linq;
|
||||
|
||||
namespace FarmmapsDataDownload.Models
|
||||
@ -16,7 +17,7 @@ namespace FarmmapsDataDownload.Models
|
||||
public string fieldName { get; set; }
|
||||
public bool GetSatelliteData { get; set; }
|
||||
public bool GetVanDerSatData { get; set; }
|
||||
public string SatelliteBand { get; set; }
|
||||
public List<string> SatelliteBands { get; set; }
|
||||
public bool StoreSatelliteStatisticsSingleImage { get; set; }
|
||||
public bool StoreSatelliteStatisticsCropYear { get; set; }
|
||||
public bool StoreVanDerSatStatistics { get; set; }
|
||||
|
||||
114
FarmmapsDataDownload/ShowGeotiff.r
Normal file
114
FarmmapsDataDownload/ShowGeotiff.r
Normal file
@ -0,0 +1,114 @@
|
||||
# ShowGeotiff.r
|
||||
# Have a look at a downloaded satellite image and check if stats are correctly calculated
|
||||
# I downloaded and calculated the stats for the polygon defined in C:\git\FarmMapsApiClient_WURtest\FarmmapsDataDownload\DataDownloadInput.json
|
||||
# in which I set "SatelliteBand": "wdvi" and in which in the console I requested the image for date '2022-03-08'
|
||||
|
||||
library(raster)
|
||||
library(sf)
|
||||
library(rgdal)
|
||||
setwd("C:/git/FarmMapsApiClient_WURtest/FarmmapsDataDownload/bin/Debug/netcoreapp3.1/Downloads")
|
||||
|
||||
# FarmmapsDataDownload
|
||||
fileGeotiff <- "sentinelhub_test_BvdTFieldlabG92_20220308.tif"
|
||||
lenfilename <- nchar(fileGeotiff)
|
||||
year <- substr(fileGeotiff,lenfilename-11,lenfilename-8)
|
||||
imgdate <- substr(fileGeotiff,lenfilename-11,lenfilename-4)
|
||||
|
||||
stk.sentinelhub <- stack(x=fileGeotiff)
|
||||
# plot(stk.sentinelhub) shows 6 plots (6 bands)
|
||||
# 1. ndvi
|
||||
# 2. wdvi Note wdvi-red
|
||||
# 3. ci-red
|
||||
# 4. natural: red
|
||||
# 5. natural: green
|
||||
# 6. natural: blue
|
||||
names(stk.sentinelhub) <- c("ndvi","wdvired","ci-red","red","green","blue")
|
||||
plot(stk.sentinelhub)
|
||||
crs(stk.sentinelhub)
|
||||
# CRS arguments: +proj=longlat +datum=WGS84 +no_defs
|
||||
stk.sentinelhub.rd <- projectRaster(stk.sentinelhub, crs = CRS('+init=EPSG:28992'))
|
||||
crs(stk.sentinelhub)
|
||||
|
||||
r.sentinelhub.rd.wdvi <- subset(stk.sentinelhub.rd,2)
|
||||
dev.off()
|
||||
plot(r.sentinelhub.rd.wdvi,main=paste("wdvi",imgdate),xlab="RDX",ylab="RDY")
|
||||
cellStats(r.sentinelhub.rd.wdvi,'mean') # 0.2252725
|
||||
|
||||
# Convert the .rd.wdvi raster to WGS84
|
||||
r.sentinelhub.wgs84.wdvi <- projectRaster(r.sentinelhub.rd.wdvi, crs = CRS('+init=EPSG:4326'))
|
||||
|
||||
# Draw a polygon on top of the raster
|
||||
# Polygon pol from C:\git\FarmMapsApiClient_WURtest\FarmmapsDataDownload\DataDownloadInput.json
|
||||
pol <- data.frame(id = 1, wkt = gsub("\n","",'POLYGON((
|
||||
5.563472073408009 52.547554398144172,
|
||||
5.567425915520115 52.547725375100377,
|
||||
5.567917474269188 52.540608459298582,
|
||||
5.563878143678981 52.54048022658143,
|
||||
5.563472073408009 52.547554398144172
|
||||
))'))
|
||||
|
||||
|
||||
pol.wgs84 <- st_as_sf(pol, wkt = 'wkt', crs = CRS('+init=EPSG:4326'))
|
||||
pol.rd <- st_transform(pol.wgs84, "+init=epsg:28992")
|
||||
|
||||
#Calculate approximate middle of polygon
|
||||
res <- as.data.frame(do.call("rbind", lapply(st_geometry(pol.wgs84), st_bbox)))
|
||||
res$latmid <- (res$ymax+res$ymin)/2.0
|
||||
res$lonmid <- (res$xmax+res$xmin)/2.0
|
||||
res
|
||||
# xmin ymin xmax ymax latmid lonmid
|
||||
# 1 5.563472 52.54048 5.567917 52.54773 52.5441 5.565695
|
||||
|
||||
# Have a look at both polygons
|
||||
# wg84
|
||||
dev.off()
|
||||
plot(r.sentinelhub.wgs84.wdvi,main=paste("wdvi",imgdate),xlab="LON",ylab="LAT")
|
||||
plot(pol.wgs84,add=TRUE, col="transparent",border="red")
|
||||
# RD
|
||||
dev.off()
|
||||
plot(r.sentinelhub.rd.wdvi,main=paste("wdvi",imgdate),xlab="RDX",ylab="RDY")
|
||||
plot(pol.rd,add=TRUE, col="transparent",border="red")
|
||||
|
||||
# Clip the polygon from the full rectangle figure
|
||||
r.sentinelhub.rd.wdvi.pol <- mask(r.sentinelhub.rd.wdvi,pol.rd)
|
||||
r.sentinelhub.wgs84.wdvi.pol <- mask(r.sentinelhub.wgs84.wdvi,pol.wgs84)
|
||||
dev.off()
|
||||
plot(r.sentinelhub.wgs84.wdvi.pol,main=paste("wdvi",imgdate),xlab="LON",ylab="LAT")
|
||||
plot(pol.wgs84,add=TRUE, col="transparent",border="red")
|
||||
#That's what we want!
|
||||
|
||||
# Now compare the stats
|
||||
cellStats(r.sentinelhub.wgs84.wdvi,'mean') # [1] 0.2250987 # Stats from rectangle, WGS84
|
||||
cellStats(r.sentinelhub.rd.wdvi,'mean') # [1] 0.2252725 # Stats from rectangle, RD. Almost but not exactly same as above
|
||||
cellStats(r.sentinelhub.wgs84.wdvi.pol,'mean') # [1] 0.2275067 # Stats from raster clipped by polygon, WGS84
|
||||
cellStats(r.sentinelhub.rd.wdvi.pol,'mean') # [1] 0.2275073 # Stats from raster clipped by polygon, RD. Almost but not exactly same as above
|
||||
# file satelliteStats_test_BvdTFieldlabG92_20220308.csv
|
||||
# "wdvi" "mean": 0.22744397204465
|
||||
# Mean in csv corresponds with cellStats calculated from clipped tif!
|
||||
# So while the tif returned is a non-clipped image, the downloaded statistics are from the clipped image
|
||||
# Exactly as we wanted.
|
||||
cellStats(r.sentinelhub.wgs84.wdvi.pol,'median') # Error in .local(x, stat, ...) : invalid 'stat'. Should be sum, min, max, sd, mean, or 'countNA'
|
||||
r.sentinelhub.wgs84.wdvi.vals <- values(r.sentinelhub.wgs84.wdvi)
|
||||
median(r.sentinelhub.wgs84.wdvi.vals) # [1] NA
|
||||
median(r.sentinelhub.wgs84.wdvi.vals,na.rm=TRUE) # [1] 0.2318
|
||||
r.sentinelhub.wgs84.wdvi.pol.vals <- values(r.sentinelhub.wgs84.wdvi.pol)
|
||||
median(r.sentinelhub.wgs84.wdvi.pol.vals) # [1] NA
|
||||
median(r.sentinelhub.wgs84.wdvi.pol.vals,na.rm=TRUE) # [1] 0.2338
|
||||
# file satelliteStats_test_BvdTFieldlabG92_20220308.csv
|
||||
# "wdvi" "mean": 0.233799993991851
|
||||
# Median is same as for median(r.sentinelhub.wgs84.wdvi.pol.vals,na.rm=TRUE)
|
||||
# in csv corresponds with cellStats calculated from clipped tif!
|
||||
# So while the tif returned is a non-clipped image, the downloaded statistics are from the clipped image
|
||||
# Exactly as we wanted.
|
||||
cellStats(r.sentinelhub.wgs84.wdvi,'countNA') # [1] 27896
|
||||
ncell(r.sentinelhub.wgs84.wdvi) # [1] 272718
|
||||
cellStats(r.sentinelhub.wgs84.wdvi,'countNA') / ncell(r.sentinelhub.wgs84.wdvi) # [1] 0.1022888 # 10% no data? doesn't show in the plot?
|
||||
cellStats(r.sentinelhub.wgs84.wdvi.pol,'countNA') # [1] 57625
|
||||
summary(r.sentinelhub.wgs84.wdvi.pol.vals) # shows the same: NA's: 57625
|
||||
ncell(r.sentinelhub.wgs84.wdvi.pol) # [1] 272718
|
||||
populationCount = ncell(r.sentinelhub.wgs84.wdvi.pol) - cellStats(r.sentinelhub.wgs84.wdvi.pol,'countNA')
|
||||
populationCount # [1] 215093
|
||||
# file satelliteStats_test_BvdTFieldlabG92_20220308.csv
|
||||
# "wdvi" "populationCount": 214688
|
||||
# similar but not same
|
||||
|
||||
Loading…
Reference in New Issue
Block a user