[gdal-dev] c# P/invoke error spatialRef

2012-01-09 Thread Alexandre LECLERC
Hello, I try to transform coordinates between 2 projections. But when I pass this line : SpatialReference spaceRef1 = new SpatialReference(""); I get a P/Invoke exception... I've downloaded the FWtools 247 I've add to my project all the dll in the directory C:\ Program Files (x86) \FWTools

RE: [gdal-dev] Polygon

2011-03-04 Thread Alexandre Leclerc
Anybody can help me please ? I feel that the SHPWriteObject() write a bad way in the file. Do you think it could come from compiler ? I use Borland C++ 6 When I edit the file in text editor it seems good, the length of the file is 1904 But when I read file with SHPOpen() the psSHP

[gdal-dev] Polygon(suite)

2011-03-03 Thread Alexandre Leclerc
Sorry, I forgot to tell you that I used SHPReadOGRObject for read the SHPObject. put it at the beginning of the code of previous mail SHPHandle hSHP = SHPOpen(chemin.c_str(),"rb"); SHPObject *psShape = SHPReadObject(hSHP,0); OGRGeometry *poPoly = SHPReadOGRObject(hSHP, 0,psShape);

[gdal-dev] Polygon

2011-03-03 Thread Alexandre Leclerc
Hello I try to draw a polygon from shapefile on geoconcept. But the points that I get are corrupted. Strangely a shapefile with no prj, and one ring in WGS84 works. Here I try with a prj with lambert 2 extend projection. The shapefile contains 2 rings. See my code below.