api:dk11:delphi:gisinterpolation.tgis_vectortogridabstract.generate_tgis_layervector_tgis_extent_string_tgis_layerpixel_tgis_extent
Table of Contents
TGIS_VectorToGridAbstract.Generate method
DK for Delphi | GisInterpolation.TGIS_VectorToGridAbstract.Generate | Constructors | Methods | Properties | Events
Populates a grid layer with values computed from vector sample points.
Syntax
// Delphi public procedure Generate( const _src : TGIS_LayerVector; const _srcext : TGIS_Extent; const _srcfld : String; const _dst : TGIS_LayerPixel; const _dstext : TGIS_Extent ); virtual;
// C++ Builder public: virtual void Generate( TGIS_LayerVector* const _src, TGIS_Extent* const _srcext, const UnicodeString _srcfld, TGIS_LayerPixel* const _dst, TGIS_Extent* const _dstext );
Parameters
| Name | Type | Description |
|---|---|---|
| _src | TGIS_LayerVector | Source layer that contains the sample points. |
| _srcext | TGIS_Extent | Extent of interest in the source layer. |
| _srcfld | String | Name of the numeric field that provides interpolation values; if empty, the coordinate selected by the Coordinate property is used. |
| _dst | TGIS_LayerPixel | Destination grid layer. |
| _dstext | TGIS_Extent | Extent in the destination layer to populate with interpolated data. |
Remarks
PURPOSE: Runs vector-to-grid processing for the requested source and destination extents.
BEHAVIOR: Validates the inputs, resolves the source of sample values, and fills destination cells according to the descendant interpolation algorithm.
USAGE: Use this method to generate rasterized interpolation output from vector samples.
interpolator.Generate(srcLayer, srcExtent, fieldName, dstLayer, dstExtent)
CONSTRAINTS: Parameters must be valid. If_srcfld is not empty, it must identify a numeric source field.
2026/07/05 01:37