[Gdal-dev] Mosaic in GDAL Warp

[David W. Lowther]

Hi List,

 

I'm trying to use the mosaic with gdal warp. The docs say "Mosaicing
into an existing output file is supported if the output file already
exists."

 

I have four files (quarter quads). I'd like them mosaiced and
reprojected - either in one operation or more. I can make reproject
happen no prob for one file.

 

Here are some failed attempts to do this (note 109999 is custom defined
OK Albers Projection):

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715 -t_srs
EPSG:109999 -of GTIFF -co 'TFW=YES' e:\project\corps\38095a21.tif
e:\project\corps\out\a38095.tif

Creating output file is that 6440P x 7932L.

:0...10...20...30...40...50...60...70...80...90...100 - done.

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715 -t_srs
EPSG:109999 -of GTIFF -co 'TFW=YES' e:\project\corps\38095a22.tif
e:\project\corps\out\a38095.tif

Output dataset e:\project\corps\out\a38095.tif exists, but some
commandline options were provided indicating a new dataset should be
created.  Please delete existing dataset and run again.

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715 -t_srs
EPSG:109999 -co 'TFW=YES' e:\project\corps\38095a22.tif
e:\project\corps\out\a38095.tif

Output dataset e:\project\corps\out\a38095.tif exists, but some
commandline options were provided indicating a new dataset should be
created.  Please delete existing dataset and run again.

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715 -co 'TFW=YES'
e:\project\corps\38095a22.tif e:\project\corps\out\a38095.tif

Output dataset e:\project\corps\out\a38095.tif exists, but some
commandline options were provided indicating a new dataset should be
created.  Please delete existing dataset and run again.

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715
e:\project\corps\38095a

22.tif e:\project\corps\out\a38095.tif

:0...10...20...30...40...50...60...70...80...90...100 - done.

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715
e:\project\corps\38095a

23.tif e:\project\corps\out\a38095.tif

:0...10...20...30...40...50...60...70...80...90...100 - done.

 

E:\GDAL\OpenEV_FW\data>..\bin\gdalwarp -s_srs EPSG:26715
e:\project\corps\38095a

24.tif e:\project\corps\out\a38095.tif

:0...10...20...30...40...50...60...70...80...90...100 - done.

 

 

Thanks in advance for any help anyone can provide.

 

 

David Lowther

Senior Software Engineer

Strategic Consulting International

(405) 227-9051

dlowther at scigis.com

 

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