Search found 22667 matches

by fmw42
2018-02-20T23:18:01-07:00
Forum: Bugs
Topic: possible bug -threshold 0 on alpha channel
Replies: 1
Views: 29

Re: possible bug -threshold 0 on alpha channel

The above seems to work fine in IM 7.0.7.23 Q16 HDRI Mac OSX Sierra magick xc:"#D3B29E00" xc:"#D3B29EF4" xc:"#D3B19EB8" xc:"#D3B29EFF" +append tmp1.png magick tmp1.png txt: # ImageMagick pixel enumeration: 4,1,65535,srgba 0,0: (54227,45746,40606,0) #D3B29E00 srgba(211,178,158,0) 1,0: (54227,45746,40...
by fmw42
2018-02-20T23:13:06-07:00
Forum: Bugs
Topic: possible bug -threshold 0 on alpha channel
Replies: 1
Views: 29

possible bug -threshold 0 on alpha channel

IM 6.9.9.35 Q16 Mac OSX Sierra convert xc:"#D3B29E00" xc:"#D3B29EF4" xc:"#D3B19EB8" xc:"#D3B29EFF" +append tmp1.png convert tmp1.png txt: # ImageMagick pixel enumeration: 4,1,65535,srgba 0,0: (54227,45746,40606,0) #D3B29E00 srgba(211,178,158,0) 1,0: (54227,45746,40606,62708) #D3B29EF4 srgba(211,178,...
by fmw42
2018-02-20T22:38:47-07:00
Forum: Users
Topic: To retrieve the first frame from a video by using ImageMagick through html code.
Replies: 5
Views: 94

Re: To retrieve the first frame from a video by using ImageMagick through html code.

Your listing shows:

DELEGATES bzlib fontconfig freetype gs jpeg jng jp2 lcms openexr png rsvg tiff x11 xml wmf zlib


There is no mpeg. So that means that you need to install ffmpeg on your system.
by fmw42
2018-02-20T20:43:59-07:00
Forum: Users
Topic: To retrieve the first frame from a video by using ImageMagick through html code.
Replies: 5
Views: 94

Re: To retrieve the first frame from a video by using ImageMagick through html code.

Do you have the ffmpeg delegate installed with ImageMagick? It looks like ImageMagick does not find it. convert -list configure look at the line starting with DELEGATES: DELEGATES bzlib mpeg fftw fontconfig freetype gslib jbig jng jpeg lcms lqr lzma openexr openjp2 png ps rsvg tiff webp x xml zlib D...
by fmw42
2018-02-20T16:37:55-07:00
Forum: Users
Topic: spaces and annotations in filenames
Replies: 7
Views: 113

Re: spaces and annotations in filenames

There is no point in accessing layer [0] of a jpg file, since JPG does not allow layers. However, it should not hurt if you use the same code for gif or tiff or PDF which allow layers/pages/frames
by fmw42
2018-02-20T13:15:24-07:00
Forum: Magick.NET
Topic: How to remove red color
Replies: 1
Views: 38

Re: How to remove red color

This works for me in command line. Sorry I do not use Magick.Net

Code: Select all

convert image.png -fuzz 25% -fill white -opaque red result.png
by fmw42
2018-02-20T10:19:10-07:00
Forum: Users
Topic: registering with combine
Replies: 5
Views: 73

Re: registering with combine

by fmw42
2018-02-20T10:14:55-07:00
Forum: Magick.NET
Topic: Need help in creating GIF
Replies: 1
Views: 31

Re: Need help in creating GIF

We do not all understand CSS and Javascript. Please post and example gif animation and we might be able to reproduce it. 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-m...
by fmw42
2018-02-19T20:36:00-07:00
Forum: Users
Topic: To retrieve the first frame from a video by using ImageMagick through html code.
Replies: 5
Views: 94

Re: To retrieve the first frame from a video by using ImageMagick through html code.

ImageMagick can retrieve a file via http. It runs in command line mode or using some API. It does not run via HTML. You can use PHP Imagick as the API to run imagemagick on a server. You can use PHP exec() or Imagick to retrieve the first page of the video, but then you need to pass that to PHP and ...
by fmw42
2018-02-19T17:03:09-07:00
Forum: Digital Image Processing
Topic: Overcoming camera movement
Replies: 4
Views: 70

Re: Overcoming camera movement

In IM 7, compare now has structural similarity index metric.

2017-08-27 7.0.6-10 Cristy <quetzlzacatenango@image...>
Support -metric ssim, structual similarity index.
by fmw42
2018-02-19T16:54:56-07:00
Forum: Digital Image Processing
Topic: Overcoming camera movement
Replies: 4
Views: 70

Re: Overcoming camera movement

Is there a question?
by fmw42
2018-02-19T13:23:01-07:00
Forum: Digital Image Processing
Topic: Overcoming camera movement
Replies: 4
Views: 70

Re: Overcoming camera movement

-geometry is a setting not an operator. It needs to be used by some operator such as -composite. If you just want to shift pixels by integers, see -roll. If you want fractional adjustments, see distort SRT.
by fmw42
2018-02-19T09:59:11-07:00
Forum: Users
Topic: TIF Convert - LZW to Group 4 Image Quality
Replies: 3
Views: 80

Re: TIF Convert - LZW to Group 4 Image Quality

That is going to happen. Your original is 24-bit total color per pixel image with 384 different colors (mostly grays). When you go to group4, you are converting to binary 1-bit total color per pixel image. So you are losing a lot of color information and quality. Density does nothing to help a raste...
by fmw42
2018-02-18T16:40:20-07:00
Forum: Users
Topic: Convert 2-bit to png after deskew has odd results
Replies: 28
Views: 340

Re: Convert 2-bit to png after deskew has odd results

Your first command with -deskew does not add any new colors. They are just black and white. PGM is a linear gray whereas PNG is non-linear. That is why you see some changes in the results. But no new colors are added, just blacks and whites. There is no blurring. The bit depth that any format suppor...
by fmw42
2018-02-18T13:54:23-07:00
Forum: Users
Topic: Convert 2-bit to png after deskew has odd results
Replies: 28
Views: 340

Re: Convert 2-bit to png after deskew has odd results

1) convert test.pgm -deskew 40% test.png results in 16/1-bit There were no increase in the number of colors in the output that would warrant an increase in depth. So IM keeps the depth. 2) Your command creates a two pixel black and white image. convert xc: xc:black +append t.tiff So it is still bile...