[GRASS-user] Export Raster to Google Earth Files

[Roger André]

lol  Awesome!  Can you imagine ESRI creating a utility this way?

Thanks for doing this.

Roger
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On Fri, Oct 16, 2009 at 8:36 PM, Hamish <hamish_b at yahoo.com> wrote:
> Andrew wrote:
>> > I would like to export raster files to a Google Earth
>> > image (kmz or kml).
>> >  Does anyone know how this is done?  I found a way
>> > to export a vector to a kmz file, but not a raster.
>
> Roger André wrote:
>> The easiest way to do this for 1 or 2 reasonably sized rasters
>> is to simply write a very short KML file that points to the
>> image name and defines its geographic extents.  If you have to
>> do it for hundreds of files, then scripting it is much
>> faster.
> ...
>> Here is what the KML should look like:
>>
>> <GroundOverlay>
>> <description>Something pithy</description>
>> <name>Something else pithy</name>
>> <visibility>1</visibility>
>> <open>1</open>
>> <Icon>
>> <href>"name_of_image_file"</href>
>> </Icon>
>> <drawOrder>0</drawOrder>
>> <LatLonBox>
>> <north>  DD.dddd</north>
>> <south>  DD.dddd</south>
>> <west> DD.dddd</west>
>> <east> DD.dddd</east>
>> </LatLonBox>
>> </GroundOverlay>
>
> based on this template I've added a r.out.kml script in addons
> SVN to do that.
>
> https://trac.osgeo.org/grass/browser/grass-addons/raster/r.out.kml
>
>
> TODO:
>  - completely untested
>  - g.region -n is broken in at least devbr6 (trac #791) so
>   export only works from LL/WGS84 right now
>  - pythonization
>  - add a -k flag to d.out.file to write a KML file (test true north angle(s)!)
>
> comments/testing/suggestions welcome.
>
>
> Hamish
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