Legacy ImageMagick Discussions Archive

The solution works perfekt and could easily be integrated in our workflow. So thats the way I will go.

Thanks a lot!

JD

The result in V6 was a little better. Not much, but noticable in direct comparison. The edges were not semi-transparent, but closer to the image. More of the white pixels around the image from the original background were removed. I think thats the way the simple "-alpha transparent -clip -alpha ...

I did some more research on this and got some more information. After reading some other posts I think that the resulting PNG has only 1-bit transparency although 8-bit transparency should be possible (see https://www.imagemagick.org/discourse-server/viewtopic.php?t=24176). But first off all some ...

Hi! We are about to switch from ImageMagick 6.9 to 7.0 in our application and so I have done some testing and found a problem in the clipping operation. Usually we take a TIF image with a path and convert it into a PNG with the background removed using the following command: convert image.tif -alpha ...

Perfect! All images are looking correct now

Where these images converted with the 32bit or 64bit version of ImageMagick? Are there still differences between the 32bit and 64bit version of ImageMagick?

Is the release date for the new version already known?

Thank you very much for your support!

Thank you very much for the explanation!

Any idea when this issue will be fixed? Is there anything I can do to help?

I've added two more screenshots to the dropbox above. On this image there is not only the "bulb" on the right side of the blade but on the left side the transparency is also not as close to the blade as the path is.

Hi! I don't have a PSD file, only a TIF or JPEG with a path. I have uploaded two screenshots from Photoshop: https://www.dropbox.com/sh/rbn8vvp20n5i7m5/AADhcxc33gMpQ4dQAFp6ggFoa?dl=0 On the screenshots you see two images opened in PS. On the left side the PNG created with ImageMagick with a small ...

dlemstra wrote:Can you also show the path from photoshop?

Not sure what you mean. Create a transparent PNG with Photoshop?

Hmmm ... but in Photoshop the path is correct on both images.

I found some more images on which even the 32bit release does not work perfect:

https://www.dropbox.com/sh/rbn8vvp20n5i ... ggFoa?dl=0

Maybe they can help tracking the issue.

The spoon has a minor error at rightmost edge of the handle. But everything else looks pretty good

PS: The pan is a so called "Multi roaster" from the "ZWILLING® Plus" series (http://www.zwilling.com/en/cookware-ser ... tml?page=2)

The problem seems to occour only in the 64bit release. With the 32bit release for Windows both images are converted correctly.

Thanks to user "zaratol" who pointed me to:

viewtopic.php?f=3&t=25883

JD

Hi! I did a little more testing and under Linux with the same release 6.8.9-7 Q16 the problem does NOT occour on the images mentioned in the last post. But on other images it does occour under Linux as well: This image has the same problem with convert on Windows and on Linux: https://cloud.netgroup ...

Sorry I have to bring up this thread again. But the clipping path ist still handled incorrectly on some images when creating a PNG with transparency. Here is an example image: https://cloud.netgroup.de/public.php?service=files&t=4a0b56e7cfed01d9323c757769e4b007 This is the command I used: convert ...