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api:dk11:delphi:gishydrology.tgis_hydrology.sink_tgis_layerpixel_tgis_extent_tgis_layerpixel

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TGIS_Hydrology.Sink method

DK11 for Delphi | GisHydrology.TGIS_Hydrology.Sink | Constructors | Methods | Events

Generates the grid with pit cells and cells for which the flow direction can not be determined.

Available also on: .NET | Java | ActiveX.

Syntax

// Delphi
public
  procedure Sink(
    const _dem : TGIS_LayerPixel;
    const _extent : TGIS_Extent;
    const _sinks : TGIS_LayerPixel
  );
// C++ Builder
public:
  void Sink(
    TGIS_LayerPixel* const _dem,
    TGIS_Extent* const _extent,
    TGIS_LayerPixel* const _sinks
  );

Parameters

Name Type Description
_dem TGIS_LayerPixel an input DEM
_extent TGIS_Extent an extent to be processed
_sinks TGIS_LayerPixel the output grid layer

Remarks

Problematic cells or group of cells are ordered from 0 and assigned as an integer grid value.

References

2021/05/26 01:14

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