Search found 4 matches

by joshua01
2017-03-31T05:16:12-07:00
Forum: Users
Topic: Changing resolution with -resample or -units density
Replies: 1
Views: 3886

Changing resolution with -resample or -units density

Hello,
I have image with resolution 600x600 (inches) with image width 2899 and image lenght 2081. Because of the next processes, where the system accepts only image with resolution of 300x300 i have to resample the original image. I know i can do it with two commands:

convert -units PixelsPerInch ...
by joshua01
2017-03-30T00:45:12-07:00
Forum: Users
Topic: ImageMagick reports error JP2WarningHandler/236
Replies: 4
Views: 3247

Re: ImageMagick reports error JP2WarningHandler/236

Thank you both! Yes it was actually warning, i missed that. I will probably turn it of if it is not so serious.

I just wonder, if this warning, can mean something for example in 20, 30 years. I mean, if ImageMagick is strict and follow exactly some spec but other sw does not, may it be that future ...
by joshua01
2017-03-29T08:33:30-07:00
Forum: Users
Topic: ImageMagick reports error JP2WarningHandler/236
Replies: 4
Views: 3247

Re: ImageMagick reports error JP2WarningHandler/236

Still dont know more about the error itself, but I guess I managed to do something with the image. I did convert the jp2 image with imagemagick to tif (the same errors are reported) and then the resulted tif i converted again to jp2 and this jp2 seems ok. Magick identify -verbose and opj_decompress ...
by joshua01
2017-03-29T02:13:29-07:00
Forum: Users
Topic: ImageMagick reports error JP2WarningHandler/236
Replies: 4
Views: 3247

ImageMagick reports error JP2WarningHandler/236

Hello,

Version ImageMagick 7.0.5-4 Q16 x64 (Windows 7) reports this in one image jp2, when commands identify -verbose or convert are run:

identify: No imsbtree created.
'OpenJP2' @ warning/jp2.c/JP2WarningHandler/236
identify: tgt_create tree->numnodes ==0, no tree created.
'OpenJP2' @ warning/jp2 ...