[gdal-dev] Create a Google Earth overlay based on Geotiff

[António Rocha]

Greetings

I have a goerreferenced Geotiff image, already in EPSG:4326, and I need
to automatically create an KML with an overlay from this geotiff. Is it
possible using GDAL? If so, how can I do that? Or can anyone indicate me
an Wiki that explain this?
I have found this link:
http://code.google.com/apis/kml/articles/raster.html but it creates
empty doc.kml

Thanks

Antonio


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[Chaitanya kumar CH]

Ant?nio,

Refer to http://www.gdal.org/gdal2tiles.html and
http://www.gdal.org/gdal_utilities.html

Post by António Rocha
Greetings
I have a goerreferenced Geotiff image, already in EPSG:4326, and I need to
automatically create an KML with an overlay from this geotiff. Is it
possible using GDAL? If so, how can I do that? Or can anyone indicate me an
Wiki that explain this?
http://code.google.com/apis/kml/articles/raster.html but it creates empty
doc.kml
Thanks
Antonio
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[António Rocha]

Hi there
It worked (my problem was that I was using gdal_translate instead of
gdalwarp to reproject the images to EPSG:4326).

But now I have 1 little question:
When I do the reprojection of the image from my UTM to EPSG:4326 It
creates a black-NO VALUE area around the image due to projection. In
order to auxiliate the visualization is it possible to turn this no-data
into transparent?

Post by Chaitanya kumar CH
Ant?nio,
Refer to http://www.gdal.org/gdal2tiles.html and
http://www.gdal.org/gdal_utilities.html
Greetings
I have a goerreferenced Geotiff image, already in EPSG:4326, and I
need to automatically create an KML with an overlay from this
geotiff. Is it possible using GDAL? If so, how can I do that? Or
can anyone indicate me an Wiki that explain this?
http://code.google.com/apis/kml/articles/raster.html but it
creates empty doc.kml
Thanks
Antonio
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Best regards,
Chaitanya kumar CH.
/t?a???nj?/ /k?m?r/
[phone]
17.2416N 80.1426E

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