Search found 23607 matches

by fmw42
2018-08-07T18:39:35-07:00
Forum: Users
Topic: Using Morhpology to remove gaps that are small
Replies: 9
Views: 214

Re: Using Morhpology to remove gaps that are small

Sorry, I guess I missed that discussion. -connected components is also a solution for finding the black pixels from the white ones. That was also a good suggestion. The bounding box of the white areas will give you a measure of the spacing and if appropriate you can compare that to some minimum widt...
by fmw42
2018-08-07T15:30:43-07:00
Forum: Users
Topic: Using Morhpology to remove gaps that are small
Replies: 9
Views: 214

Re: Using Morhpology to remove gaps that are small

I am not suggesting you use it to preserve large areas. I was only suggesting that you use it to thin your lines to 1 pixel wide. Then use txt: format to study the spacing between the black regions. For those regions that do not fit, write over your input black pixels with white pixels.
by fmw42
2018-08-07T15:22:21-07:00
Forum: Bugs
Topic: possible bug creating pdf -- units do not show
Replies: 3
Views: 103

Re: possible bug creating pdf -- units do not show

The issue I am trying to resolve is how to get the print size from the verbose information for a scanned PDF (or other vector formats). I have scanned a document to PDF format and when I look at the verbose information it shows the print size as numerical values and the density, but never shows the ...
by fmw42
2018-08-07T10:14:47-07:00
Forum: Users
Topic: Using Morhpology to remove gaps that are small
Replies: 9
Views: 214

Re: Using Morhpology to remove gaps that are small

Convert your 1 row image into txt: format and search for the locations of the black pixels. Check the distances between successive ones and then write white over those black ones that are not at the required distance. This will require scripting to process the txt: string output. You may want to thi...
by fmw42
2018-08-07T10:02:11-07:00
Forum: Bugs
Topic: possible bug creating pdf -- units do not show
Replies: 3
Views: 103

possible bug creating pdf -- units do not show

IM 6.9.10.9 and IM 7.0.8.9 Q16 Mac OSX. I tried converting the logo: image to pdf and specified the units, but they do not show when listed with identify -verbose magick logo: -units pixelsperinch logo.pdf im7 magick identify -verbose logo.pdf Image: logo.pdf Format: PDF (Portable Document Format) M...
by fmw42
2018-08-07T08:35:07-07:00
Forum: Users
Topic: Is it possible to combine 2 images & make a transparent PNG?
Replies: 8
Views: 15290

Re: Is it possible to combine 2 images & make a transparent PNG?

Seems like the original post(s) at the top of this topic have been removed. I did not initiate this post and was trying to answer a question from some other person.
by fmw42
2018-08-07T08:31:34-07:00
Forum: Users
Topic: Problem with converting images
Replies: 1
Views: 83

Re: Problem with converting images

IM 6.5.4.7 is ancient (over 450 versions old). Likely it is a bug or lack of feature in that old version. I doubt that the IM developers will go back and fix such and old system. The general policy is that fixes are made in new versions and it is up to you to upgrade. So the "fix" is for you to upgr...
by fmw42
2018-08-06T18:47:47-07:00
Forum: Bugs
Topic: [Closed] possible bug with %C and %[compression] with TIFF
Replies: 6
Views: 275

Re: possible bug with %C and %[compression] with TIFF

This still seems to be an issue in IM 6.9.10.9 and IM 7.0.8.9 and IM 7.0.8.10 beta.
by fmw42
2018-08-06T18:46:15-07:00
Forum: Bugs
Topic: possible bug -loop
Replies: 2
Views: 194

Re: possible bug -loop

This still seems to be an issue in IM 6.9.10.9 and IM 7.0.8.9 and IM 7.0.8.10 beta.
by fmw42
2018-08-06T17:10:38-07:00
Forum: Users
Topic: How to filter color image
Replies: 1
Views: 89

Re: How to filter color image

Please, always provide your IM version and platform when asking questions, since syntax may differ. Also provide your exact command line and if possible your images. See the top-most post in this forum "IMPORTANT: Please Read This FIRST Before Posting" at http://www.imagemagick.org/discourse-server/...
by fmw42
2018-08-06T16:28:13-07:00
Forum: Users
Topic: How do I Apply Multiple Screen and Multiply to one image?
Replies: 22
Views: 1933

Re: How do I Apply Multiple Screen and Multiply to one image?

I have sent you PM on this system. I can make it work with downloaded images rather than your base64 string and https links if I use IM 7.0.7.14 or lower, but it fails for any IM 7 above that. However it works fine in IM 6.9.10.9.
by fmw42
2018-08-06T15:37:16-07:00
Forum: Users
Topic: How do I Apply Multiple Screen and Multiply to one image?
Replies: 22
Views: 1933

Re: How do I Apply Multiple Screen and Multiply to one image?

I build by getting all my delegates from MacPorts and install Imagemagick from source.
by fmw42
2018-08-06T15:35:55-07:00
Forum: Bugs
Topic: bug converting png to bmp (results in broken images)
Replies: 4
Views: 120

Re: bug converting png to bmp (results in broken images)

It fails for me also on Mac Sierra with IM 6.9.10.9 Q16 and 7.0.8.9. This will not open: convert 0.png 0.bmp These two produce black results: convert 0.png BMP3:0.bmp convert 0.png BMP2:0.bmp Perhaps it is the transparency in the PNG. The PNG is bilevel with 8-bit transparency. This may be a PREVIEW...
by fmw42
2018-08-06T13:19:39-07:00
Forum: Users
Topic: How do I Apply Multiple Screen and Multiply to one image?
Replies: 22
Views: 1933

Re: How do I Apply Multiple Screen and Multiply to one image?

After many many hours of work Imagemagick is finally working correctly (for the most part). On 7.0.5-7 this worked. convert "inline:PNG64DATA" "MULTIPLY_IMG_1.png" -channel RGBA -compose Multiply -composite "MULTIPLY_IMG_2.png" -channel RGBA -compose Multiply -composite "SCREEN_IMG_1.png" -channel ...
by fmw42
2018-08-05T19:23:12-07:00
Forum: Users
Topic: Masking 1 Image with 2 Masks no longer working.
Replies: 32
Views: 403

Re: Masking 1 Image with 2 Masks no longer working.

See http://www.libpng.org/pub/png/libpng.html. It says for libpng, you also need zlib and xz.