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api:dk11:delphi:gislayerpixeludf.tgis_setupevent_integer_integer_boolean_single_single_single_tgis_extent

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TGIS_SetUpEvent prototype

DK11 for Delphi | GisLayerPixelUDF.TGIS_SetUpEvent | Classes | Prototypes

SetUp event. Fired upon a layer initialization.

Syntax

// Delphi
type
  TGIS_SetUpEvent = procedure (
    var _bitHeight : Integer;
    var _bitWidth : Integer;
    var _isGridImage : Boolean;
    var _minZ : Single;
    var _maxZ : Single;
    var _noDataValue : Single;
    var _extent : TGIS_Extent
  ) of object;
// C++ Builder
typedef void (_closure *TGIS_SetUpEvent)(
  int &_bitHeight,
  int &_bitWidth,
  bool &_isGridImage,
  float &_minZ,
  float &_maxZ,
  float &_noDataValue,
  TGIS_Extent* &_extent
);

Parameters

Name Type Description
_bitHeight Integer height of a layer in pixels.
_bitWidth Integer Width of a layer in pixels.
_isGridImage Boolean is layer a grid type
_minZ Single minimum Z value (used in rendering)
_maxZ Single maximum Z value (used in rendering)
_noDataValue Single value specified as NoData
_extent TGIS_Extent layer extent
2017/09/04 11:15

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