<put algortithm description here>
<put parameter description here>
Options:
Default: 0
<put parameter description here>
Options:
Default: 0
<put parameter description here>
Default: 0.0
<put parameter description here>
Default: 3.0
processing.runalg('saga:gridskeletonization', input, method, init_method, init_threshold, convergence, result, vector)