MapWinGIS:Feature Identifier

From MapWindow GIS

Simple Feature Identifier

Here are the basic steps for creating a simple feature identifier using the MapWinGIS ActiveX Control.

1) Set the SendSelectBoxFinal property = true (so you get these events) http://www.mapwindow.org/wiki/index.php/MapWinGIS:AxMap_SendSelectBoxFinal

2) Use the SelectBoxFinal event to get the XY coordinates where the user clicked. http://www.mapwindow.org/wiki/index.php/MapWinGIS:AxMap_SelectBoxFinal

3) Convert the XY coordinates to "real" map coordinates using PixelToProj http://www.mapwindow.org/wiki/index.php/MapWinGIS:AxMap_PixelToProj

4) Now use the real map coordinates in the SelectShapes function to do a selection within your shapefile: http://www.mapwindow.org/wiki/index.php/MapWinGIS:Shapefile_SelectShapes

5) Now get the attribute table entries for your shapefile using CellValue: http://www.mapwindow.org/wiki/index.php/MapWinGIS:Shapefile_CellValue