.. for help on writing/extending this file, see the reStructuredText cheatsheet http://github.com/ralsina/rst-cheatsheet/raw/master/rst-cheatsheet.pdf Checkerboard Node ================= .. toctree:: :maxdepth: 2 The checkerboard node can be used to generate varoius geometric patterns. By default it generates a checkerboard .. image:: _images/TheNodes-Image/Checkerboard_default.gif Usage -------- The pattern can be changed in size and color. The Checkerboard can be used to generate a grid when the 'line color" and "line width" are set. .. image:: _images/TheNodes-Image/Checkerboard_grid.gif The pattern is centered by default. To control the position of the lines you can add a G'MIC_ArrayRegular node with "X-Tiles"=1 and "Y-Tiles"=1. To make the pattern tileable you will have to change the Extent of the checkerborad to "Size" and choose a vulae that is a multiple of the "Box Size" parameter. .. image:: _images/TheNodes-Image/Checkerboard_offset.gif