Smith, Michael wrote:
I have an 8-bit tif aerial photo, when I try to compress it with JPEG
compression in any of the following examples:
gdal_translate -ot Byte -of GTiff -co "COMPRESS=JPEG" -co
"JPEG_QUALITY=100" allagash-lake.tif test_jpeg100_tif.tif
gdal_translate -ot Byte -of GTiff -co "COMPRESS=JPEG" -co
"JPEG_QUALITY=20" allagash-lake.tif test_jpeg20_tif.tif
gdal_translate -ot Byte -of GTiff -co "COMPRESS=JPEG" allagash-lake.tif
test_jpeg_tif.tif
I get the error message:
Warning 1: JPEGLib:Application transferred too many scanlines
And there is a small part at the bottom where the rows are all value 0
(and they shouldn't be). Looks like it skips the last 11 rows and sets
them all to 0 (in an image that is 9728c x 13963r)
Michael,
What is the size of your input image in pixels and lines?
What does the gdalinfo report on the output file look like?
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam, [email protected]
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush | Geospatial Programmer for Rent
_______________________________________________
gdal-dev mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/gdal-dev
