Re: How do I make a video animation with transparent background?

2016-08-14 Thread Martin Schöön
Den 2016-08-10 skrev Lawrence D’Oliveiro : > On Thursday, August 11, 2016 at 9:34:33 AM UTC+12, Martin Schöön wrote: >> Next on my TODO list is to look into the color composition idea. I >> have already looked this tutorial: >> https://youtu.be/sZzmksnzrX0 > > If the images

Re: How do I make a video animation with transparent background?

2016-08-10 Thread Lawrence D’Oliveiro
On Thursday, August 11, 2016 at 9:34:33 AM UTC+12, Martin Schöön wrote: > Next on my TODO list is to look into the color composition idea. I > have already looked this tutorial: > https://youtu.be/sZzmksnzrX0 If the images you generate have an alpha channel, Blender can composite them directly,

Re: How do I make a video animation with transparent background?

2016-08-10 Thread Martin Schöön
Den 2016-08-10 skrev Christian Gollwitzer : > Am 09.08.16 um 14:44 schrieb Martin Schöön: >> Using this example: >> http://matplotlib.org/examples/animation/moviewriter.html >> and this tutorial: >> https://www.youtube.com/watch?v=h0F5X4b7jug >> I have covered a lot of ground. >>

Re: How do I make a video animation with transparent background?

2016-08-10 Thread Christian Gollwitzer
Am 09.08.16 um 14:44 schrieb Martin Schöön: Using this example: http://matplotlib.org/examples/animation/moviewriter.html and this tutorial: https://www.youtube.com/watch?v=h0F5X4b7jug I have covered a lot of ground. What I have failed to achieve is a graph with a transparent background. None

Re: How do I make a video animation with transparent background?

2016-08-09 Thread Dale Marvin via Python-list
On 8/9/16 6:50 PM, Lawrence D’Oliveiro wrote: On Wednesday, August 10, 2016 at 12:44:30 AM UTC+12, Martin Schöön wrote: What I have failed to achieve is a graph with a transparent background. While it is possible to render image frames with alpha transparency channels, as far as I know none

Re: How do I make a video animation with transparent background?

2016-08-09 Thread Steven D'Aprano
On Wednesday 10 August 2016 12:49, Lawrence D’Oliveiro wrote: > On Wednesday, August 10, 2016 at 2:04:39 PM UTC+12, Chris Angelico wrote: > >> Animated GIFs support transparency. > > But they don’t do full colour. Define "full colour". GIFs don't directly support 16-bit or 32-bit colours in a

Re: How do I make a video animation with transparent background?

2016-08-09 Thread Lawrence D’Oliveiro
On Wednesday, August 10, 2016 at 2:04:39 PM UTC+12, Chris Angelico wrote: > Animated GIFs support transparency. But they don’t do full colour. -- https://mail.python.org/mailman/listinfo/python-list

Re: How do I make a video animation with transparent background?

2016-08-09 Thread Chris Angelico
On Wed, Aug 10, 2016 at 11:50 AM, Lawrence D’Oliveiro wrote: > On Wednesday, August 10, 2016 at 12:44:30 AM UTC+12, Martin Schöön wrote: > >> What I have failed to achieve is a graph with a transparent >> background. > > While it is possible to render image frames with

Re: How do I make a video animation with transparent background?

2016-08-09 Thread Lawrence D’Oliveiro
On Wednesday, August 10, 2016 at 12:44:30 AM UTC+12, Martin Schöön wrote: > What I have failed to achieve is a graph with a transparent > background. While it is possible to render image frames with alpha transparency channels, as far as I know none of the motion-video image formats supports

How do I make a video animation with transparent background?

2016-08-09 Thread Martin Schöön
Here is what I want to do: I want to create an animated graph and store it as a video file, mp4 say. This file will then be used as an overlay on another video. Using this example: http://matplotlib.org/examples/animation/moviewriter.html and this tutorial: