Search found 81 matches

by niyanwen
2019-10-07T15:40:51-07:00
Forum: Users
Topic: ImageMagick7 runs much slower than version6
Replies: 29
Views: 13569

Re: ImageMagick7 runs much slower than version6

I don't know why I always see this error when I am using image magick 7
./convert: error while loading shared libraries: libMagickCore-7.Q16HDRI.so.6: cannot open shared object file: No such file or directory
by niyanwen
2019-10-07T15:17:57-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

The thing is IM7 is slower than IM6 looks like 5x slower, we cannot afford it, I suspect it is becasue HDRI enabled?
by niyanwen
2019-10-07T15:04:20-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

so original image is like image a, c is output image

convert a.png -resize 4500x5400! b.png
convert b.png -trim +repage -bordercolor none -border 5 c.png
by niyanwen
2019-10-07T14:25:09-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

these two commands
convert img.png -resize 4500x5400! img_scale6.png
convert shirt.png -trim +repage -bordercolor none -border 5 shirt3.png
by niyanwen
2019-10-07T14:18:14-07:00
Forum: Users
Topic: ImageMagick7 runs much slower than version6
Replies: 29
Views: 13569

Re: ImageMagick7 runs much slower than version6

Hi, according to the issue I mentioned in this post https://www.imagemagick.org/discourse-s ... 75#p169375 I try IM7 and looks like the issue got fixed, but the same command I used, but it is much slower anyone knows why and how to fix it? command I used: convert img.png -resize 4500x5400! img_scale...
by niyanwen
2019-10-07T14:15:36-07:00
Forum: Users
Topic: ImageMagick7 runs much slower than version6
Replies: 29
Views: 13569

ImageMagick7 runs much slower than version6

Hi, according to the issue I mentioned in this post https://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=36843&p=169375#p169375 I try IM7 and looks like the issue got fixed, but the same command I used, but it is much slower anyone knows why and how to fix it? command I used: convert img...
by niyanwen
2019-10-07T13:57:50-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

original image: https://drive.google.com/open?id=1ufx2A ... XZMolPcnf1
output image: https://drive.google.com/open?id=122q_p ... mGJcV0XuFz

convert img.png -resize 4500x5400! img_scale6.png
convert shirt.png -trim +repage -bordercolor none -border 5 shirt3.png
by niyanwen
2019-10-07T13:32:38-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

Hi, @snibog
so the thing is in some certain place the alpha channel value is different, the original image has some transparency
by niyanwen
2019-10-07T11:49:35-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

so my question is there is no way to modify the command to fix this right?
the only way to fix it is update my image magick version?
by niyanwen
2019-10-07T11:35:53-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

Since this version 6.xxx is widely used in our company and is recommended, I would not like to change until it is needed
by niyanwen
2019-10-05T20:26:16-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

when I run convert -list format, I got PNG* rw- Portable Network Graphics (libpng 1.6.28) See http://www.libpng.org/ for details about the PNG format. PNG00* rw- PNG inheriting bit-depth, color-type from original if possible PNG24* rw- opaque or binary transparent 24-bit RGB (zlib 1.2.11) PNG32* rw-...
by niyanwen
2019-10-05T11:54:45-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

@snibgo

yeah looks like alpha channel value is different after image magick processed, because of this difference could we consider it as different?
by niyanwen
2019-10-05T11:35:19-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

Hi,

this is my scale command, I scale it first then trim the transparency on the border
convert a.png -resize 4500x5400! b.png

PNG version is related to ImageMagick version or not? since I work for industry, current image magick version is the widely used version our company
by niyanwen
2019-10-04T20:19:23-07:00
Forum: Users
Topic: Image looks different after removing transparent space and scaled
Replies: 45
Views: 17575

Re: Image looks different after removing transparent space and scaled

I used GMIP to take a look and looks like the original image has transparency in the middle and scaled image hasn't transparency, could we consider this as a difference?