Kalles Fraktaler 2.14

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Offline CFJH

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« Reply #75 on: March 13, 2019, 08:10:54 PM »
Hello

I've downloaded the zoom.c again and compiled it with the same command line
Code: [Select]
gcc extra_zoom.c -lm -lGL -lGLU -lglut -lGLEW -o zz
But when I run it, I'm getting many errors like this:

Code: [Select]
freeglut (/home/cfjh/Downloads/zz): GL error: invalid framebuffer operation
The opening window remains black and the created video is broken.
I have an Intel i7 2600 with build in graphics. Os is opensuse leap 14.3.

On the other hand I likely would get my own movie assembler to work, because I've already done lots of work and parameter files around it. It uses the image magick stuff and scales and fades the Images to get the final images for the video sequence. Attached a collection of two not matching images to see, how it works.
My question: what makes the mighty mandel zoom assembler different to avoid the frames ?

Offline claude

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« Reply #76 on: March 13, 2019, 10:56:23 PM »
The GL error is probably due to missing OpenGL 3 support?  Not sure...  What is the output of glxinfo (maybe need mesa-utils package or similar for that tool)?

Looking at your screenshot, it looks like all you need to do is crop the image to the central part, so that you don't get visible frames (the frame edges are outside the viewport).  This is what the mightymandel zoom assembler does, see attached for the tighter cropping.  Naturally this reduces the number of effective pixels, so you either 1. render higher resolution keyframes, 2. live with smaller resolution output, 3. accept some blurriness in the output.

Offline CFJH

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« Reply #77 on: March 15, 2019, 09:38:02 PM »
The GL error is probably due to missing OpenGL 3 support?  Not sure...  What is the output of glxinfo (maybe need mesa-utils package or similar for that tool)?
Attached the output of "glxinfo".
System is an intel i7 2600 with build in graphics (from 2010/1 ).

Now I've modified my video composer to process files at higher resolution. The frames have now gone, but it needs a bit more time to compute.


Offline claude

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« Reply #78 on: March 20, 2019, 05:36:11 AM »
kf-2.14.5 released https://mathr.co.uk/kf/kf.html#kf-2.14.5 bug fixes and new features for the development branch

 -   new feature: command line zoom sequence rendering with `-z NFRAMES` flag
 -   new feature: low bailout (SmoothMethod: 2) (suggested by Dinkydau) https://fractalforums.org/f/28/t/2594/msg12801#msg12801
 -   new feature: General Abs Quadratic formulas (inspired by Alef and gerrit) https://fractalforums.org/f/28/t/2653/msg13242#msg13242
 -   bugfix: thin black line in exterior between iteration bands (reported by CFJH)
 -   bugfix: malformed location no longer crashes (reported by Foxxie)
 -   upgrade to mpfr 4.0.2
 -   upgrade to glm 0.9.9.4


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