Can I ask why you are reinventing the wheel and no just using the QGIS libs as a base.
- Nathan On Wed, May 9, 2012 at 11:29 PM, akshay gupta <akshaygupta...@gmail.com>wrote: > > > Hi all, > > I am writing an application to load vector maps/shape files using gdal/ogr > and display them onto a gui designed using Qt. I am new to dealing with > vector files, I am not able to decide how to render them on GUI. Few > approaches that come to my mind are: > - To convert vector files to raster and display them as raster.. > - To draw each shape in vector file one by one (i dont know how to do > this, I dont even know whether it would be even possible this using > GDAL/OGR, or how complex this would be because in my case vector files can > be very complex) > > The decision how to render vector files is very important for me, because > after displaying vector files i need to support some advanced features like > projection change, interactive selection, Geo-referencing etc. > > Can any one who has worked on vector/gis stuff, tell me how this is > usually done and what Qt widget is used for displaying such data. > > Thanks, > Akshay gupta > > > > > _______________________________________________ > Qgis-developer mailing list > Qgis-developer@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-developer > >
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