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A design space object that implements a projection between two planar layers. When generating the connectivity, the 2-dimensional patch over the pre-synaptic layer is defined by a set of 1-dimensional pattern spaces <xmain> and <ymain>, where the size of the patch is given by the sizes of the pattern spaces. The selection of pre-synaptic nodes within the patch is defined by the patterns of boolean values defined by the pattern spaces. The connectivity can be made probabilistic by defining <xlikelihood> and <ylikelihood>. The alternative pattern spaces defined by <xalt> and <yalt> are of widths one less than the widths of the main pattern spaces. They are applied at the end of the traverses over the pre-synaptic layer.
Configuration
xmain=<ref> sets main x pattern space (none) xalt=<ref> sets alt x pattern space (none) ymain=<ref> sets main y pattern space (none) yalt=<ref> sets alt y pattern space (none) xlikelihood=<data> sets x likelihood (1) ylikelihood=<data> sets y likelihood (1)
Go to the previous, next section, table of contents. Document generated Mon Jun 16 02:19:05 GMT 2003