[gdal-dev] save raster as point-vector file

[Chaitanya kumar CH]

Mateusz,

You have to set relativeToVRT to 0 if you want to use absolute path.

2011/8/13 Mateusz Kędzior <matandked at gmail.com>

>
>
> W dniu 13 sierpnia 2011 08:05 użytkownik Chaitanya kumar CH <
> chaitanya.ch at 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.
>



-- 
Best regards,
Chaitanya kumar CH.

+91-9494447584
17.2416N 80.1426E
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