api:dk11:delphi:gislayerpixel.tgis_layerpixel.prepareminmaxz_double
Table of Contents
TGIS_LayerPixel.prepareMinMaxZ method
DK11 for Delphi | GisLayerPixel.TGIS_LayerPixel.prepareMinMaxZ | Constructors | Fields | Methods | Properties | Events
Scan grid to prepare min/max value of altitude
Syntax
// Delphi protected procedure prepareMinMaxZ( const _zoom : Double = -1 ); virtual;
// C++ Builder protected: virtual void prepareMinMaxZ( const double _zoom );
Parameters
| Name | Type | Description |
|---|---|---|
| _zoom | Double | will calculate value only for a defined zoom; will increase the speed but calculation will not be exact; if -1 then will scale to the 200 pixels size |
2020/05/07 01:08