On Tue, Sep 14, 2010 at 6:05 AM, majoris.ur...@yahoo.co.uk wrote:
Hello everybody,
I would be grateful if someone give me some hints on how to extract average
height from two overlapping aerial photographs.
There is an old software in
http://grass.osgeo.org/outgoing/grass5/
- stereo
which is
Hamish:
should we be calculating the sat_zenith= param from
SUN_AZIMUTH in the metadata file, or is that something
else? I just used the default 8.2 deg.
Nikos:
Good question! As described above, for the sake of testing
I just fed the sat_zenith parameter the sun_azimuth value
Hamish:
[...]
band 6 temperatures do not look very plausible (30 degC ocean and -6 degC
land) on a sunny autumn day.
here
http://landsathandbook.gsfc.nasa.gov/handbook/handbook_htmls/chapter11/chapter11.html
something relevant I guess (11.3.3 Band 6 Conversion to Temperature)
Nikos
Nikos wrote:
... I realised that I don't really have the correct metadata file for
the scene I was given. The meta file available at Glovis is not really
the complete set of meta-information (is my guess -- missing
sat_zenith= value for example).
Hamish wrote:
fwiw with Landsat-7
Nikos:
# so, here it goes... seems to run fine
i.landsat.toar band_prefix=landsat_postfire_east_sterea_ellas
method=uncorrected sensor=5 date=2007-09-05 solar_elevation=52.4986238
product_date=2007-09-05
...
r.info landsat_postfire_east_sterea_ellas.toar.6 -r
min=203.36601783578
Nikos:
# so, here it goes... seems to run fine
i.landsat.toar band_prefix=landsat_postfire_east_sterea_ellas
method=uncorrected sensor=5 date=2007-09-05 solar_elevation=52.4986238
product_date=2007-09-05
...
r.info landsat_postfire_east_sterea_ellas.toar.6 -r
min=203.36601783578
hi all, is there any way to insert the results of the distance matrix
v.distances-pa in the database attribute points, but not in a single
column but a table and each column would be the distance from one point to
the other, additionally also like to add the result of shortestpath pars
for all in
rabotin wrote:
In a C script, I need to create a MASK from a raster map. I
saw that the r.mask command is a front-end of the r.mapcalc
command.
Is there a C function or library to create a MASK for a C
script or do we need to use the r.mapcalc library ?
all you need to do is to create a
Hi,
please try to keep it on the mailing list.
in
http://trac.osgeo.org/grass/wiki/CompileOnWindows
all steps to build a working WinGrass7-installer should be there.
if you can find unclear descriptions of the several steps, please give us
feedback
in order to be able to improve the wiki.
Nikos:
# so, here it goes... seems to run fine
i.landsat.toar band_prefix=landsat_postfire_east_sterea_ellas
method=uncorrected sensor=5 date=2007-09-05 solar_elevation=52.4986238
product_date=2007-09-05
...
r.info landsat_postfire_east_sterea_ellas.toar.6 -r
Pham Thy wrote:
Dear Helmut,
Could you guide me more clearly? I donnot understand so well. Because
I tried to follow the guide to self compile GRASS on MS-Windows and
GRASS windows native binary building, but they did not work exactly
the step in guide. For example: 1st step install MSYS, but
Nikos wrote:
# with -f
not sure about the real differences with the previous command. Look fine
though :-)
the paper states that the filtering will convert pixels which have 5 of 8
surrounding cells as clouds into a cloud pixel as well, thus removing small
holes. I have not checked if the
On Wed, 8/25/10, Adam wrote:
I am interested if anyone has used GRASS with data from Mars, or any
other non-earth based system? I don't see any epsg codes that would
apply.
EPSG is the European Petroleum Survey Group, so unless they find lots of
hydrocarbons on Mars I don't think EPSG's
In case anyone's wondering, I found out what happens.
The issue is the handling of case by the OSX command line. Most of the
time, the OSX command line ignores case. For example:
v.clean MyMap output=CleanMap option=break,snap
works the same as:
v.clean mymap output=cleanmap
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