[gdal-dev] Buffering Right and Buffering Left Using Gdal/OGR

2014-12-28 Thread Pratap Chelamilla
*Hi,* *I am trying to buffer polyline to its right / left , Is there any way to buffer right/left using GDAL/OGR. OGRGeometry *bufGeometry = geometry->Buffer(buffer);* *I have tried providing buffer value with positive and negative, but unable to see any buffering around the polyline.Please

Re: [gdal-dev] Unable to identify feature at selected position with gdal.1.11 with geos-3.4.2

2014-07-30 Thread Pratap Chelamilla
gdal,After checking the condition it is not going in. On Thu, Jul 31, 2014 at 10:26 AM, Chaitanya kumar CH wrote: > Pratap, > > Can you provide a code snippet? Is this happening for every data source? > How far is the other feature? Is the distance consistent? > > > On We

[gdal-dev] Unable to identify feature at selected position with gdal.1.11 with geos-3.4.2

2014-07-30 Thread pratap chelamilla
Hi , Unable to identify feature at selected Position,Earlier Version of gdal 1.9 with geos-3.1.1 Working fine, But I have build the newer version gdal-1.11 with geos-.3.4.2, It is identifying the feature but not exactly at the same place, it is showing feature from different position. There's so

[gdal-dev] Unable to Rotate Image uisng setGeoTransform

2014-07-16 Thread Pratap Chelamilla
Hi, How to rotate an image with different angles(such as 30 ,45 60 . degress) using SetGeoTransform? I have tried setting newTie[2] =45 degree and newTie[2] = (45.0*3.1415926)/180) in radians double *newTie = new double[6]; newTie[0] = tie[0] + (xPos*tie[1]); /*