Search found 59 matches

by xpt
2010-10-11T15:02:27-07:00
Forum: Users
Topic: rectangular gradient
Replies: 2
Views: 5224

Re: rectangular gradient

My solution:

Code: Select all

convert -size 106x106 radial-gradient: -negate -gravity center -crop 60x60+0+0 +repage -resize 100x75! gradient_radial.jpg
Good enough?
by xpt
2010-10-11T14:57:41-07:00
Forum: Users
Topic: rectangular gradient
Replies: 2
Views: 5224

rectangular gradient

Hi,

What's the simplest way to get a rectangular gradient like this:

Image

Thanks
by xpt
2010-10-11T14:05:14-07:00
Forum: Users
Topic: Soft Edges
Replies: 9
Views: 21221

Re: Soft Edges

My ultimate goal is to blur the part outside the 75% from the center, Ie, the soft blurry outline takes up to 25% of image size. How can I do that? Ok, maybe vignette might not be the perfect tool for it, so I changed the subject. I'm playing with the Virtual Pixels.... You can also blur transparen...
by xpt
2010-10-11T13:47:59-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Re: Action abstraction

+dither -colors 2 -depth 2 -type bilevel result.gif Perfect! Thanks a lot! PS. Here is how it looks now: http://imagebin.ca/img/o0WlRWV.gif Here is how it is converted: convert Action-Abstract-01.jpg -colorspace gray \( +clone -blur 0x3 \) +swap -compose divide -composite -linear-stretch 5%x0% +dit...
by xpt
2010-10-11T12:52:36-07:00
Forum: Users
Topic: Soft Edges
Replies: 9
Views: 21221

Re: vignette usage

fmw42 wrote:If you want a gaussian vignette, set 0xsigma where sigma is approx desired radius / 3.
Please forgive my ignorance, we are talking different languages here. Please tell me how to translate about into my 25%.

Thanks
by xpt
2010-10-11T12:49:55-07:00
Forum: Users
Topic: Soft Edges
Replies: 9
Views: 21221

Re: vignette usage

see http://www.imagemagick.org/Usage/transform/#vignette and http://www.imagemagick.org/Usage/thumbnails/#soft_edges for a little more info and examples. Yes, that's where I found out the vignette usage. The problem is that all above example gives a slim soft edges, whereas I want a much thicker on...
by xpt
2010-10-11T09:21:24-07:00
Forum: Users
Topic: Soft Edges
Replies: 9
Views: 21221

Soft Edges

Hi, The online help doesn't give me much info about the vignette usage, http://www.imagemagick.org/script/command-line-options.php?#vignette -vignette radius{xsigma}{+-}x{+-}y{%} soften the edges of the image in vignette style. Is the radius measured from the edge or the center? My ultimate goal is ...
by xpt
2010-10-11T08:39:10-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Re: Action abstraction

Ok, I found another way, here is the result: http://imagebin.ca/img/kFHJzwO.gif The command is: convert Action-Abstract-01.jpg -colorspace gray \( +clone -blur 0x2 \) +swap -compose divide -composite -linear-stretch 5%x0% photocopy.gif However, I wasn't able to make it of BW color depth of 2, I trie...
by xpt
2010-10-09T15:44:22-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Re: Action abstraction

fmw42 wrote:try adding . . .

result is Filesize: 6.44KB
Thanks a lot, that's amazing.
by xpt
2010-10-07T19:19:38-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Re: Action abstraction

If use

Code: Select all

convert Action-Abstract-01.jpg -colorspace gray -lat 20x20+3% output.gif
I'll get

Image

which size is bigger than the previous one (8345B vs. 7358B).
by xpt
2010-10-07T18:57:11-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Re: Action abstraction

This is the best that I can get from Action-Abstract-01.jpg,

Image

Anyone can get it better?

Thanks
by xpt
2010-10-07T18:48:00-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Re: Action abstraction

fmw42 wrote:try


convert Action-Abstract-01.jpg -monochrome Action-Abstract-01_mono.gif
Actually, I was kinda expecting something even better than this,

http://www.imagemagick.org/Usage/photos/#color-in

well, maybe that's the best I can get so far.

thanks all the same.
by xpt
2010-10-06T20:32:04-07:00
Forum: Users
Topic: Cron Job scheduling
Replies: 4
Views: 9155

Re: Cron Job scheduling

I am trying to automate a process by using a Cron job and ImageMagick to adjust a photo at midnight each night. I am using a php script with the exec commands for imagemagick . . . . Since it is only a single "convert" command, would it be better to remove an extra layer by doing it right in shell ...
by xpt
2010-10-06T20:25:49-07:00
Forum: Users
Topic: Action abstraction
Replies: 9
Views: 16541

Action abstraction

Hi, I coined this term "action abstraction" for not knowing a better phrase to describe what I want to do. I want to remove as much details as possible from images so as just to preserver the "main action". Take a look the following images then you may understand what I'm talking about: http://image...