W dniu 13 sierpnia 2011 08:05 użytkownik Chaitanya kumar CH < chaitanya...@gmail.com> napisał:
> Mateusz, > > This is what I did to process evap_OBC.asc ... > > 1. Run the command "gdal2xyz.py -csv evap_OBC.asc evap_OBC.csv". I got a > csv file. > 2. Edited the file evap_OBC.csv to add the line "Longitude,Latitude,Value" > (without the quotes) at the beginning. > This may be a source of problem... I add in every CSV heading Longitude,Latitude,Name (Name instead of Value) > 3. Created a file named evap_OBC.vrt with the following content... > > <OGRVRTDataSource> > <OGRVRTLayer name="evap_OBC"> > <SrcDataSource>evap_OBC.csv</SrcDataSource> > <GeometryType>wkbPoint</GeometryType> > > <GeometryField encoding="PointFromColumns" x="Longitude" > y="Latitude"/> > </OGRVRTLayer> > </OGRVRTDataSource> > 4. Run the command "ogr2ogr -select Value evap_OBC.shp evap_OBC.vrt". I got > the file evap_OBC.shp and two other associated files. > > In step 3, if I wanted to mention the absolute path instead of the relative > path of the file 'evap_OBC.csv', I would have added the attribute > 'relativeToVRT=0' to the SrcDataSource element like so. > <SrcDataSource relativeToVRT="0">evap_OBC.csv</SrcDataSource> So if I would like to insert absolute path I should add: <SrcDataSource relativeToVRT="1">"/home/mateuszk/folder/evap_OBC. > > csv"</SrcDataSource> Thank You for support and patient.
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