now use statistics if available in band.

projects/common-map/src/fm-map/models/color.map.ts

@@ -28,6 +28,22 @@ export interface IHistogram {
   confidence?: number;
 }
 
+export interface IStatistics {
+  min: number;
+  max: number;
+  mean: number;
+  stddev: number;
+  populationCount: number;
+  minPlus: number;
+  maxMinus: number;
+  mode: number;
+  median: number;
+  curtosis: number;
+  skewness: number;
+  variance: number;
+  variationCoefficient: number;
+}
+
 export interface IGradientstop {
   relativestop: number,
   color: IColor
@@ -41,7 +57,8 @@ export interface IColorMap {
 }
 
 export interface IBand {
-  histogram: IHistogram
+  histogram: IHistogram;
+  statistics?: IStatistics;
 }