Re: [gdal-dev] Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread Even Rouault
> On the other hand, this provider may also accelerate with some small > changes that are pending of review in the ticket > (http://trac.osgeo.org/gdal/ticket/5272) that I hope will be evaluated. Actually when thinking about the atof() optimization, a far better idea would be to make sure that Q

Re: [gdal-dev] Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread A Huarte
Hi, I am testing in Windows XP compiling with Visual Studio 2010. I have a console test application using directly the "shapefil" library. I will use test_ogrsf utility for a complete benchmark I this environment and my test application, using OGRFastAtof(), the full read of a huge shape aroun

Re: [gdal-dev] Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread Even Rouault
Selon A Huarte : > Hi, I want improve the rendering of vector features in QGIS.  > > I have opened a new branch of code in the repository of > QGIS(https://github.com/qgis/QGIS/pull/927 //  https://github.com/ahuarte47/QGIS/tree/Issue_8725-OGR) and > the drawing tests give me ~3x faster that origi

[gdal-dev] Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread A Huarte
Hi, I want improve the rendering of vector features in QGIS.  I have opened a new branch of code in the repository of QGIS(https://github.com/qgis/QGIS/pull/927 //  https://github.com/ahuarte47/QGIS/tree/Issue_8725-OGR) and the drawing tests give me ~3x faster that original code :-) I am testin