api:dk11:delphi:gisinterfaces.igis_viewer.maptoscreen_tgis_point
Table of Contents
IGIS_Viewer.MapToScreen method
DK for Delphi | GisInterfaces.IGIS_Viewer.MapToScreen | Methods | Properties
Converts point coordinates from map coordinates to screen coordinates.
Syntax
// Delphi public function MapToScreen( const _ptg : TGIS_Point ) : TPoint;
// C++ Builder public: TPoint* MapToScreen( TGIS_Point* const _ptg ) = 0;
Parameters
| Name | Type | Description |
|---|---|---|
| _ptg | TGIS_Point | Coordinate in map units. |
Result
| Type | Description |
|---|---|
| TPoint | Map coordinates converted to screen coordinates. |
Remarks
See TGIS_LayerVector.DrawLabel for an example.
USAGE: Convert map coordinates to screen pixels for custom drawing.
screen_pt = GIS.MapToScreen(shape.PointOnShape)
2026/09/20 23:47