[Qgis-developer] Displaying vector files

[akshay gupta]

Hi Nathan,

I do not want to re invent the wheel, but there are lot of licensing and
security issues, and I will be developing a lot more then what i have
written in my mail this is just the starting.

akshay
On Wed, May 9, 2012 at 7:01 PM, Nathan Woodrow <madmanwoo at gmail.com> wrote:

> 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 <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.
>>
>> Thanks,
>> Akshay gupta
>>
>>
>>
>>
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>>
>>
>
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