[Gdal-dev] Row/column data to Geotiff

Frank Warmerdam warmerdam at pobox.com
Thu Jun 14 12:11:51 EDT 2007


Hersman, William wrote:
> Hi,
> 
> I am looking for a way to write geotiff files from simple row/column 
> data, such as:
> 
>  ROW    7;  COLUMNS   1 THRU 50
>   6038.698       6025.553       6013.471       6003.241       5995.237
>   5989.413       5985.433       5982.787       5981.004       5979.861
>   5979.379       5980.666       5984.076       5990.979       6060.380
>   6071.938       6092.017       6115.689       6107.636       6097.677
>   6088.838       6081.833       6076.131       6071.144       6066.436
>   6061.369       6055.924       6050.646       6046.408       6044.147
>   6044.722       6048.734       6049.608       6047.399       6045.258
>   6044.493       6044.704       6044.831       6044.806       6047.358
>   6053.283       6065.744       6074.324       6078.942       6076.226
>   6133.812       6140.912       6148.538       6155.627       6160.118
> 
> Can that be done with the GDAL library (I'm on Linux)?  It's not clear 
> to me, but seems like it should be doable.  Or maybe there is an easier 
> way with another library or freeware?

William,

If you can format the values in Arc/Info ASCII Grid format it should be
trivial to translate to other GDAL supported format. I have attached a
50x7 ascii grid as an example.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org

-------------- next part --------------
ncols        50
nrows        7
xllcorner    440720.000000000000
yllcorner    3750900.000000000000
cellsize     60.000000000000
 107.5 123 132 115 132 132 140 132 132 132 107 132 107 132 132 107 123 115 156 148 107 132 107 115 99 123 99 74 115 82 115 115 107 123 123 99 123 123 115 115 107 90 99 107 107 99 123 107 140 123
 115 132 107 123 148 115 165 115 140 107 123 123 99 132 123 132 132 132 99 156 123 140 115 115 115 99 107 132 107 115 107 99 90 115 115 107 123 99 115 123 115 115 140 132 140 115 132 115 140 107
 115 132 140 132 123 115 140 107 140 115 132 123 107 132 132 115 115 107 115 107 123 107 132 90 132 123 99 107 99 115 90 99 115 107 115 90 123 99 123 123 107 140 107 132 123 123 123 140 140 107
 148 132 123 123 115 132 132 123 115 123 115 123 107 115 148 107 115 140 115 132 99 107 107 107 115 132 115 156 115 115 115 107 115 99 123 90 107 99 107 115 115 123 140 107 132 107 123 123 123 123
 132 156 132 140 132 132 115 115 115 123 148 123 165 123 132 107 107 132 156 123 115 99 107 99 123 99 115 115 99 107 115 90 115 90 99 115 107 123 107 99 140 99 140 115 132 123 115 115 123 132
 189 173 173 148 148 115 148 123 107 132 115 132 156 99 123 115 132 132 206 107 115 99 90 107 123 99 115 123 90 99 99 99 99 123 107 115 107 107 123 132 132 132 107 156 132 115 115 132 140 132
 197 173 148 140 140 132 99 132 123 115 140 132 132 99 132 123 132 173 123 115 115 99 107 132 107 123 99 107 107 99 115 99 99 90 99 115 90 115 140 115 148 123 132 140 123 123 148 132 115 140


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