POV-Ray : Newsgroups : povray.binaries.images : Using "transmit all" with an image map : Re: Using "transmit all" with an image map Server Time
4 Feb 2023 00:24:28 EST (-0500)
  Re: Using "transmit all" with an image map  
From: Tor Olav Kristensen
Date: 29 Dec 2022 19:45:00
Message: <web.63ae3329eaa53b9cf0247f8189db30a9@news.povray.org>
"Dave Blandston" <nomail@nomail> wrote:
> ...

> Using a paint program to adjust the transparency is what I'm currently doing to
> achieve the result that I want but it's not a perfect solution because of the
> number of images involved. I'm using the "transmit all" feature to animate some
> elements of a website mockup animation that fade in and fade out, such as
> buttons and pop-ups and such. Images that don't require different levels of
> transparency work great and I can use "transmit all," and only one copy of the
> image needs to be made. But images that require part of the image to be fully
> transparent exhibit the problem in the image posted above, so I can't use
> "transmit all" and I have to make many copies of the image with the varying
> levels of transparency which is very tedious. That's why I was curious if there
> was a better way so I just thought I'd ask. I should have a sample animation
> ready to post soon that will make this more clear. It's a fun project.

Hi Dave

Have you considered using ImageMagick to adjust the transparency levels
in your images?

https://imagemagick.org

ImageMagick provides command line tools that can be used in shell scripts
to automate such time consuming tasks.

https://imagemagick.org/script/magick-script.php

Perhaps this post is relevant for solving your problem:

"Setting an image to 50% transparency"
https://legacy.imagemagick.org/discourse-server/viewtopic.php?t=31549

--
Tor Olav
http://subcube.com
https://github.com/t-o-k


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