[Bf-committers] Patch: New compositor nodes

[j.bakker at atmind.nl]

Hi Frederic

I have checked the nodes to identify any problems with my project
(Compositor redesign). 

I don't see any issue Vibrance, the HCL nodes and having a separate gain
node. The gain function is hidden in the color balance node.
Posterize: There is just a small difference between Math round and the
Posterize node. But the math round is only based on values, as this one
also concerns colors.
I + these nodes, but we should be aware that implementing ocio in blender
will in the future change the HCL nodes.

Pixelize+ToonAA: This is more a question if these should be part of a
compositor. Perhaps someone else can answer this.
ToonAA: I see some issues as the algorithms normally are used to upscale
2x2 or 3x3 pixels and this node is tends to be implemented as a convolution
filter.

What are your thoughts about the last two nodes?

PS. in your comments you mention pixelprocessor, but don't use it. (ToonAA)

Jeroen


Original Message:
-----------------
From: Frédéric van der Essen fvdessen at gmail.com
Date: Sun, 28 Aug 2011 17:14:22 +0200
To: bf-committers at blender.org
Subject: [Bf-committers] Patch: New compositor nodes


Hi!
I'd like to get this patch reviewed:
It adds a few nodes to the compositor :

Vibrance:
Increases the saturation but prevents clipping and oversaturation.
Video: http://frederic.vanderessen.com/videos/node-vibrance.ogv

Hue Chroma Luminance:
Adds a Hue Chroma Luminance control,separation,combination nodes.
The HCL Colorspace is similar in spirit to the HSV, but is based on the
Lab Colorspace, and gives more natural results.
Video: http://frederic.vanderessen.com/videos/node-hcl.ogv

Gain:
Increases or decreases the dynamic range of the picture.

Pixelize:
Pixelizes the picture. The size of the blocks and the method used to
pick the
blocks colors can be changed.
Video: http://frederic.vanderessen.com/videos/node-pixelize.ogv

Posterize:
Reduces the number of colors in the picture. Similar to Gimp's posterize
filter.

ToonAA:
Anti-Aliasing filter for pictures with a small number of colors. Based
on the EPX pixel art upscaling algorithm.

The patch is in the tracker
:http://projects.blender.org/tracker/index.php?func=detail&aid=28386&group_i
d=9&atid=127

You can find a Debian Testing 32bit build here
:http://frederic.vanderessen.com/blender_builds/blender-nodes.tar.gz

Thanks!
-Fred.
_______________________________________________
Bf-committers mailing list
Bf-committers at blender.org
http://lists.blender.org/mailman/listinfo/bf-committers

--------------------------------------------------------------------
mail2web.com - Microsoft® Exchange solutions from a leading provider -
http://link.mail2web.com/Business/Exchange