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    <blockquote

cite="mid:CAE0EDEq3CbcL6meBMt1JUWkOX-TAc8XzWo=sZcdF8tyRJEY6CQ@mail.gmail.com"

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              .8ex;border-left:1px #ccc solid;padding-left:1ex">

              grass.exceptions.CalledModuleError: Module run None<br>

              ['v.to.rast',

              'input=roads_merge_idf_picardie_L93@data_set',<br>

              'use=attr', 'out=cost_map_tmp_5488', 'type=line',</blockquote>

            <br>

            <div>What is your computational region setting? The error

              seems to mean stack overflow/exhausted but I don't know

              what in v.to.rast could cause that.</div>

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    shouldn't the output read "output=cost_map" and not "out=cost_map"

    (?)<br>

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    best, Roy.<br>

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