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api:dk11:delphi:gislayervector.tgis_layervector.isshapevisible_tgis_shape_tgis_extent

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TGIS_LayerVector.isShapeVisible method

DK11 for Delphi | GisLayerVector.TGIS_LayerVector.isShapeVisible | Constructors | Fields | Methods | Properties | Events

Calculate a visibility of a given shape.

Available also on: .NET | Java.

Syntax

// Delphi
protected
  function isShapeVisible(
    const _shape : TGIS_Shape;
    const _extent : TGIS_Extent
  ) : Boolean;
// C++ Builder
protected:
  bool isShapeVisible(
    TGIS_Shape* const _shape,
    TGIS_Extent* const _extent
  );

Parameters

Name Type Description
_shape TGIS_Shape shape to test on
_extent TGIS_Extent visible area

Result

Type Description
Boolean True if shape is visible.
2018/01/27 01:15