[GRASS-user] DIRECTION

Hello everybody !
  I would like to compare values for raster and vector points at positions of
  vector points. Raster is filtered with edge detection function. And as
  compared value is “direction”.

  I've created points along input lines in new vector (v.to.points).

  How can I get now the information about direction in each point for vector
  map?

  Many thanks.

How about "v.what.rast" ?

Mark

On Thu, Apr 22, 2010 at 9:39 AM, Sofina Natalia <nsofina@gmx.de> wrote:

Hello everybody !
I would like to compare values for raster and vector points at positions of
vector points. Raster is filtered with edge detection function. And as
compared value is “direction”.

I've created points along input lines in new vector (v.to.points).

How can I get now the information about direction in each point for vector
map?

Many thanks.

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