api:dk11:delphi:gislayerpixel.tgis_layerpixel.getgriddata_tgis_extent_tgis_gridarray
Table of Contents
TGIS_LayerPixel.getGridData method
DK11 for Delphi | GisLayerPixel.TGIS_LayerPixel.getGridData | Constructors | Fields | Methods | Properties | Events
Fills provided _grid array with values defined by _extent. If the current layer does not fully cover the _extent then values outside the layer scope should be left untouched.
Syntax
// Delphi protected function getGridData( const _extent : TGIS_Extent; const _grid : TGIS_GridArray ) : Boolean; virtual;
// C++ Builder protected: virtual bool getGridData( TGIS_Extent* const _extent, TGIS_GridArray* const _grid );
Parameters
| Name | Type | Description |
|---|---|---|
| _extent | TGIS_Extent | extent of the _grid |
| _grid | TGIS_GridArray | allocated array (with/height ratio of the _grid should be the same as width/height ration of the _extent) |
Result
| Type | Description |
|---|---|
| Boolean | True if success |
Remarks
Function provide "raw" data - before coordinate system applied.
2020/05/07 01:08