[GRASS-dev] Rast_open_update?

[Huidae Cho]

Whenever I change a couple of cells in an existing raster map, I have to
create a new raster map and patch the old and new maps, which can take long
because r.patch has to read and write the entire map.

There are Rast_open_old/new, but no Rast_open_update and AFAIK there are no
raster modules that directly update existing raster maps. I don't know why.
I thought it would be great if there was Rast_open_update so we can update
existing raster maps without creating a temp map and patching it.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-dev/attachments/20140626/c43acc90/attachment.html>