api:dk11:delphi:gislayerpixel.tgis_layerpixel.calculatepixelsize_double
Table of Contents
TGIS_LayerPixel.calculatePixelsize method
DK11 for Delphi | GisLayerPixel.TGIS_LayerPixel.calculatePixelsize | Constructors | Fields | Methods | Properties | Events
Calculate pixel size in layer units.
Syntax
// Delphi protected function calculatePixelsize( const _pixelsize : Double ) : Double;
// C++ Builder protected: double calculatePixelsize( const double _pixelsize );
Parameters
| Name | Type | Description |
|---|---|---|
| _pixelsize | Double | requested size of an image pixel; by providing 0 an actual viewer scale should be used to calculate a layer's pixel size; >0 - pixel size is expressed in map units; <0 - pixels is expressed in layer units |
Result
| Type | Description |
|---|---|
| Double | pixel size in layer units |
Remarks
To be used in LocateEx() calculations.
2020/06/28 01:08