Hi Didier,
2018-02-05 16:08 GMT+01:00 didier peeters :
> Hi,
>
> Here’s the problem that puzzles me:
> I would like to determine if an object (a building, an antenna, …) can be
> seen from a specific point ‘somewhere'. I have to deal with distances
> ranging from a few meters to about 200 km or
Hi. I am desperate for advice on a very simple problem.
I’ve got an out-of-db raster table that contains a time-series of images of a
large area (one image per date), and it is tiled. It’s about 20,000 rows in all
and I’m trying to clip it with a polygon so that I get back a smaller raster.
On 2/5/2018 10:08 AM, didier peeters wrote:
Hi,
Here’s the problem that puzzles me:
I would like to determine if an object (a building, an antenna, …) can be seen
from a specific point ‘somewhere'. I have to deal with distances ranging from
a few meters to about 200 km or so. I have the coo
Hi,
Here’s the problem that puzzles me:
I would like to determine if an object (a building, an antenna, …) can be seen
from a specific point ‘somewhere'. I have to deal with distances ranging from
a few meters to about 200 km or so. I have the coordinates of the viewing
point XYZ and the X
