Peter Bastiani
880eb26a99
All checks were successful
FarmMaps.Develop/FarmMapsLib/pipeline/head This commit looks good
101 lines
2.6 KiB
TypeScript
101 lines
2.6 KiB
TypeScript
import { Component, OnInit, Input,AfterViewInit } from '@angular/core';
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import { IColorMap, IColor, IColorEntry,ILayer, IRenderer } from '../../models/color.map';
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@Component({
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selector: 'fm-map-layer-legend',
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templateUrl: './legend.component.html',
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styleUrls: ['./legend.component.scss']
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})
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export class LegendComponent implements OnInit,AfterViewInit {
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constructor() {
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}
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ngOnInit() {
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}
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ngAfterViewInit() {
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}
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@Input()
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layer: ILayer;
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@Input()
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legend: string;
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@Input()
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histogram: string;
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@Input()
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showTitle: boolean = true;
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@Input()
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histogramenabled: boolean;
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@Input()
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legendunit: string;
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@Input()
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histogramunit: string;
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public hideHistogramDetails:boolean = true;
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onClickHistoGram(): void {
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this.histogramenabled = !this.histogramenabled;
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}
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public getHex(color: IColor): string {
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return '#' + this.componentToHex(color.red) + this.componentToHex(color.green) + this.componentToHex(color.blue);
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}
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public getAlphaHex(color: IColor): string {
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return '#' + this.componentToHex(color.red) + this.componentToHex(color.green) + this.componentToHex(color.blue)+ this.componentToHex(color.alpha);
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}
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private componentToHex(c: number): string {
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const hex = c.toString(16);
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return hex.length === 1 ? `0${hex}` : hex;
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}
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public getPart(renderer: IRenderer, index: number): string {
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let max = renderer.band.histogram.entries.reduce((max, entry) => entry.freqency > max ? entry.freqency : max, 0);
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let scale = 65 / max;
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let part = (renderer.band.histogram.entries[index].freqency * scale) + "%";
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return part;
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}
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public getScaledValue(value:number,scale:number):number {
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let v = value;
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if(scale && scale != 0) {
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v=scale*value;
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}
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return v;
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}
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public getPercentage(renderer: IRenderer, index: number): number {
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let scale = 100 / renderer.band.histogram.entries.reduce((sum, entry) => sum + entry.freqency, 0);
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let percent = renderer.band.histogram.entries[index].freqency * scale;
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return percent < 0.1 ? null : percent;
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}
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showLegend(): boolean {
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return this.layer && this.layer.renderer && this.layer.renderer.renderType != "MULTIBAND_COLOR";
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}
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showHistogram(): boolean {
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return this.histogramenabled && this.layer.renderer.band.histogram.entries && this.layer.renderer.band.histogram.entries.length > 0 && this.layer.renderer.colorMap.colormapType == "minmax";
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}
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bandContainsStatistics(): boolean {
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return this.layer.renderer.band.statistics != null;
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}
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}
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