DK11 for Delphi | GisLayerPixel.TGIS_LayerPixel.prepareMinMaxZGray | Constructors | Fields | Methods | Properties | Events
Scan image to prepare min/max value of altitude when interpreting RGB as single channel "AsGrid".
// Delphi protected procedure prepareMinMaxZGray( const _zoom : Double = -1 ); virtual;
// C++ Builder protected: virtual void prepareMinMaxZGray( const double _zoom );
Name | Type | Description |
---|---|---|
_zoom | Double | will calculate value only for a given zoom; will increase the speed but calculation will not be exact; if -1 then will scale to the 200 pixels size |