[Qgis-developer] Displaying vector files
madmanwoo at gmail.com
Wed May 9 06:31:22 PDT 2012
Can I ask why you are reinventing the wheel and no just using the QGIS libs
as a base.
On Wed, May 9, 2012 at 11:29 PM, akshay gupta <akshaygupta202 at 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.
> Akshay gupta
> Qgis-developer mailing list
> Qgis-developer at lists.osgeo.org
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