kml tiff size

[claudio cortes]

Thanks Andrew !
It works !

2009/9/17 Andrew Hazelden <andrewhazelden at gmail.com>:
> Hi.
> I am a fairly new GrADS user but this is the technique I have worked out.
> I export a dummy kml file + small tiff using gxout kml just for the Google
> Earth GroundOverlay <LatLonBox> coordinates.
> ga-> clear
> ga->set kml /base_kml
> ga->set gxout kml
> ga->d mag(UGRD10m,VGRD10m) * 3.6
> Then I use printim command to export a larger image in a format like TIFF or
> PNG.
> ga-> clear
> ga-> set parea 0 11 0 8.5
> ga-> set grid off
> grid is off
> ga-> set mproj scaled
> ga-> set mpdraw off
> ga-> set grads off
> ga-> set gxout shaded
> ga-> d mag(UGRD10m,VGRD10m) * 3.6
> ga-> printim /wind_speed_layer.tif x2048 y1024 -t 0
> Then I replace the reference in the KML file from the low resolution tiff to
> the new image on the line:
>   <href>/base_kml.tif</href>
> Also in my experience Google Earth doesn't respect the transparency in GrADS
> TIFF or GIF exports but does in PNG exports.
> Regards,
> Andrew Hazelden
> Weather Enthusiast
>
> On 17-Sep-09, at 12:27 PM, claudio cortes wrote:
>
> Hi users !
>
> I'm exporting some grib files to kml format (for view the outputs in
> GoogleEarth), but the tiff file generated is too small.
> Is there any way to generate kml files with big tiff files ?
>
> --
> Claudio Cortes
> +56 (2) 2994121
>
> Meteorologo
> Laboratorio de Meteorologia y Calidad de Aire
> Centro Nacional del Medio Ambiente (CENMA)
> --------------------------------------------------------------------------------------
>
> Claudio Cortes
> +56 (2) 2994121
>
> Meteorologist
> Meteorology and Air Quality Labs
> National Enviroment Center, Chile (CENMA)
>
>



--
Claudio Cortes
+56 (2) 2994121

Meteorologo
Laboratorio de Meteorologia y Calidad de Aire
Centro Nacional del Medio Ambiente (CENMA)
--------------------------------------------------------------------------------------

Claudio Cortes
+56 (2) 2994121

Meteorologist
Meteorology and Air Quality Labs
National Enviroment Center, Chile (CENMA)