Commit 8ca7046a authored by Wolthera van Hövell's avatar Wolthera van Hövell 🛍 Committed by Wolthera van Hövell

Add an attempt at explaining the ranks and dimensions.

parent 7dfe7c87
......@@ -24,7 +24,21 @@ Image Hose means that this file format allows you to store multiple images and t
From top to bottom: Incremental, Pressure and Random
Dimension and ranks.
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The gimp image hose format allows multiple dimensions for a given brush. You could for example have a dimension that updates incrementally, and one that updates on pressure, or updates randomly. Upon export, Krita will use the ranks to subdivide the layers per dimension. If you have a 24 layer image and three ranks, and the first dimension is set to 2, the second to 4 and the third to 3, then Krita will divide 24 into 2 groups of 12, each of which have unique images for the 2 parts of the first dimension. Then those 2 groups of 12 get divided into 8 groups of 3, each of which have unique brush tips for the four parts of the second dimension, and finally, the grouped three images have each a unique brush for the final dimension.
So, the following image has a table where dimension 1 is unique in one of 4 numbers, while dimension 2 is unique in one of 3 shapes. So our ranks for dimension 1 and dimension 2 need to be 4 and 3 respectively. Now, to order the layers, you need to subdivide the table first by the first dimension, and then by the second. So we end up with three layers each for a shape in the second dimension but for the first number, then another three layers, each for a shape, but then for the second number, and so forth.
.. figure:: images/category_filetypes/gih_multi_dimension_explaination.png
:figwidth: 800px
:align: center
See `https://docs.gimp.org/2.8/en/gimp-using-animated-brushes.html <the GIMP documentation>`_ for a more thorough explaination.
Gimp image hose format options:
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Constant
This'll use the first image, no matter what.
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