[GRASS-dev] [GRASS GIS] #2672: r.surf.idw should support FCELL and DCELL

[GRASS GIS]

#2672: r.surf.idw should support FCELL and DCELL
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  Reporter:  annakrat  |      Owner:  grass-dev@…
      Type:  defect    |     Status:  new
  Priority:  normal    |  Milestone:  7.0.1
 Component:  Raster    |    Version:  svn-releasebranch70
Resolution:            |   Keywords:  r.surf.idw
       CPU:  All       |   Platform:  All
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Comment (by kuszinger):

 '''Comment only''': Any solution is generated, I've realized that in V7
 r.surf.id eats much more memory than in 6.4. Addition of FCELL and DCELL
 is handy, but I'm afraid that it may lead to further memory footprint
 growing. I'm ready for testing, anyway any new version. I use r.surf.idw
 extensively on huge sparse rasters where it takes 2 - 10 GB RAM to create
 the result.

 When it is about an FCELL source my workaround is creating a temporal CELL
 coverage with mapcalc and multiplication and rounding original values and
 when idw is done I calculate it back to an FCELL and remove the temporal
 map.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2672#comment:3>
GRASS GIS <http://grass.osgeo.org>