<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi team,<div class="">I would like to grow the value of some pixels (e.g. streams) but only within irregular areas (e.g. subbasins), i.e. values of should not grow beyond the area boundary (as r.grow.distance would do). I could loop over each area, mask it and use r.grow.distance and then patch it all together. But that is time consuming with several thousand areas. Does anyone have a better idea how to achieve this?</div><div class=""><br class=""></div><div class="">E.g. (the boundaries argument doesn’t exist):</div><div class=""><br class=""></div><div class=""><font face="Menlo" class="">r.grow.distance input=stream value=streams_grown boundaries=subbasins</font></div><div class=""><br class=""></div><div class="">Thanks a lot,</div><div class="">Michel</div><div class=""><br class=""><div class=""><div class="">
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