Legacy ImageMagick Discussions Archive

Thank you, Fred! Searching for "imagemagick -draw polygon" brought up a post for exactly what I asked for:
-- this: http://www.multipole.org/discourse-serv ... hp?t=25286
-- which led to this: https://www.imagemagick.org/discourse-s ... =1&t=25228

Hello! I'm on Windows/IM 7, and am looking to extract an n-gon (polygon of n vertices) from a JPG. For example, given an image that is large enough, I want to extract an n-gon described by the vertices [ (10,10), (10,20), (70,65), (60,55) ] This SO question answers just that using C++; is there a ...

Thank you -- I'll try to find info on this HCL business.

Dang! Those who know, know! That saved me much time (for which I'm grateful; I was in the process of dissecting "magicwand"), and self-learning (for which I'm dismayed, but still grateful he added hurriedly!) Running that gave me this error: magick: non-conforming drawing primitive definition 'matte ...

Hi folks, I have what "should" be straightforward -- extract an image from a mostly-grey background, and place it in a new background, and over the past couple days everything I've tried (from snippets on the interwebz) has failed for various reasons. Help, pls! In the interim I'm reading through ...

OK, got it, many thanx, fmw42. (And I see a lot more reading-up and experimentation in my immediate future :-/ )

fmw42, no probs re translating to Windows -- I could run this in a unix shell on Windows, or script to one of Imagemagick's apis. Many thanx for that response -- I truly appreciate the time and certainly writing that went into it, and especially the informative, prefacing comments for each section ...

Hi fmw42, as the op description states the the black disc is at only the "approximate center" of the original image. That it be sited in the accurate-center of the final output would be a nicety, not necessity. In any case drawing the crop circle centered around the yellow line is beyond my ...

Hi folks! I have no background in image processing or Imagemagick and would hugely appreciate help w/ an image processing pipeline I want to build, specifically w/ setting feather distance (my term). Here's my setup: -- Imagemagick 7.0.7-Q16, 32-bit, on Windows; I'm not tied to this version and can ...