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MareroQ
 Post subject: Symmetry diagonal
PostPosted: Thu Jul 11, 2019 10:28 am  (#1) 
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Joined: Jan 13, 2011
Posts: 2260
Location: Poland
This plugin is a combination of codes and idea based by code:

- Tin Tran "Fill_rotate.py" https://gimplearn.net/viewtopic.php?f=3&t=1393
- Ofnuts "ofn-symmetries.py" (2016-09-29) https://sourceforge.net/projects/gimp-tools/files/scripts/ofn-symmetries.zip/download
Thank you to the coding masters. :hi5

In menu GIMP: Filters->Distorts->Symmetry->Symmetry by diagonal...

It's a bit easier to play with the effects of various symmetries - and it will be a continuation ...


Attachments:
Symmetry diagonal.png
Symmetry diagonal.png [ 534.31 KiB | Viewed 3701 times ]
Symdiag.gif
Symdiag.gif [ 547.42 KiB | Viewed 3701 times ]
Symmetry diagonal.zip [2.86 KiB]
Downloaded 168 times

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MareroQ
 Post subject: Re: Symmetry diagonal
PostPosted: Sun Jul 14, 2019 6:28 am  (#2) 
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Rel.2

Add options: Size of the new image, Mirror by central axis(choose an area),Remove prepared square.

This plugin can be used for various purposes (eg easy creation of seamless patterns) but it was created as a complement (to prepare the source and to process the final) plugin symmetry_tile.py (with a great option to create your own compositions using a string)


Attachments:
Symdiag-2.gif
Symdiag-2.gif [ 669.29 KiB | Viewed 3557 times ]
Symmetry diagram symmetry.png
Symmetry diagram symmetry.png [ 1.35 MiB | Viewed 3557 times ]
Symmetry diagonal V-2.zip [3.54 KiB]
Downloaded 148 times

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MareroQ
 Post subject: Re: Symmetry diagonal
PostPosted: Sun Jul 14, 2019 6:33 am  (#3) 
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Symmetry tile.py

Author: Eleanor Howick
Download: https://github.com/elfnor/symmetrytile

The 17 plane symmetry groups:
https://www2.clarku.edu/faculty/djoyce/wallpaper/seventeen.html

The original plugin works without any problems for Gimp 2.10 but for my own needs I modified it a bit
(I added the number of tiles and disassembled the multiply mode for individual presets).
Modified plugin in menu Gimp: Filters->Distorts->Symmetry->Symmetry Tile...


Attachments:
SymDiad + SymTil.png
SymDiad + SymTil.png [ 60.59 KiB | Viewed 3557 times ]
Derived_cells and characteristics 17 different groups.png
Derived_cells and characteristics 17 different groups.png [ 35.11 KiB | Viewed 3557 times ]
Symmetry_Tile_mod.zip [7.81 KiB]
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Konstantin
 Post subject: Re: Symmetry diagonal
PostPosted: Sun Jul 14, 2019 8:16 am  (#4) 
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Posts: 293
MareroQ wrote:
The 17 plane symmetry groups:
https://www2.clarku.edu/faculty/djoyce/wallpaper/seventeen.html

These symmetry groups are identical to the symmetry tab in Inkscape's tiled clones dialogue.

Always thought its something the Inkscape developers made up, but the links says:

Quote:
The IUC notation is the notation for the symmetry group adopted by the International Union of Crystallography in 1952.


Attachment:
tiledclones.jpg
tiledclones.jpg [ 99.19 KiB | Viewed 3542 times ]


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