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function out=parseShading(typeOfPlot,value,pptystring,ppty)
if type(value)==10
select value
case 'mean'
out=list("FaceColor","mean","EdgeColor","none");
case 'flat'
out=list("FaceColor","flat","EdgeColor","none");
case 'faceted'
out=list("FaceColor","flat","EdgeColor","default");
case 'interp'
out=list("FaceColor","interp","EdgeColor","none");
else
_error(sprintf('%s : unknown shading specification ''%s''',typeOfPlot,value))
end
else
_error(sprintf('%s : shading specification must be a string',typeOfPlot))
end
endfunction // end of parseShading
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