Setting the Map Projection
SuperMap provides three types of coordinate systems: planar coordinate system, geographic coordinate system, and projected coordinate system.
Function Entrances
Open your map and click Maps tab > Properties group > Map Properties to open the Map Properties dockbar. The Coordinate panel displays projection information of your map.
You can reset a coordinate system with features in the toolbar.
- Reset Coordinate System: Click Reset Coordinate System > More... to open the Coordinate System Settings dialog box where you can specify another coordinate system for your map. For detail information, please refer to Projection Settings.
- Copy Coordinate System...: Click on the icon button to open the Copy Coordinate System dialog box where you can copy the coordinate system of a datasource or a dataset.
- From Datasource: Select a datasource from the drop-down list and its coordinate system will be the your map's coordinate system.
- From Dataset: Select a dataset from the drop-down list and its coordinate system will be the your map's coordinate system.
- Import Coordinate System: Click on the icon button to open the Import Coordinate System window. Browse to your projection file and open it. The supported projection files include shape projection files (*.shp and *.prj), MapInfo files (*.mif), MapInfo TAB files (*.tab), Image-format files (*.tif, *.img, and *.sit), Projection information files (*.xml).
- Export Coordinate System: click on the icon button to export the coordinate system of your map as a projection information file (*.xml).
- Transformation Parameters: click on the icon button to open the Parameter Settings dialog where you can set transformation parameters. For detail information, please refer to Projection Transformation.
- Dynamic Projection: check the checkbox to enable Dynamic Projection.
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