I have a *lat, lon* coordinate with a known projection system I assume
it a initial point. I want to generate a next Position with the an
*angle* with (horizontal/vertical) and *bearing length* in lat,lon
coordinates and complete it with angles and bearing lengths to form a
polygon
Try ht
There is also the Contouring WPS in geoserver. Beyond that I would look
at storage in PostGIS.
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Thanks for that Andre. I have been looking over code in cpt2rbg.py and that
gives my more insight into what is going on. I think I will try to build that
cpt2rbga directly into gdal2tiles.py.
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Okay, but how is the best way to fix it? Since pnqnq runs on individual
tiles, I would not expect tiles to have the same palette.
What is needed is to read the nq tiles into memory, convert to RGBA
raster, then put that into overview tile. How tricky is this to do? Any
pointers into the API th
>Not sure to completely follow you ...
Okay, what goes on in gdal2tiles.py, is that after creating the base
tiles, (and in my version, they are quantised) the base tiles are taken
in groups of 4, read into a new MEM driver raster to make a one tile,
then resampled down to size of base tile to
those png files and in the
output, then colour palette is more of grayscale (actually a readscale).
Does GDAL read quantized PNG properly but some intermediary processing
needed (what??) or is there a problem with the driver?
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Found it was working in the 1.9.3 okay, if I ignored all the
instructions about using 16. Merging my stuff.
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gdal2tiles seems to have become something of an orphan.
I install Osgeo with gdal-16,
Go Gdal-16 on command line, but gdal2tiles doesnt work. I used to have
to going no problem in an older osgeo version.
This is with the stock version of gdal2tiles
Traceback (most recent call last):
File "
I have gdal 1.9.2. I have copied in the 3 SDE dlls. I have copied
OGR_SDE and GDAL_SDE dlls in the plugins 1.9 area and I have got around
the requests for debug MS dlls. At the end of all that, I still get:
Unable to open datasource `SDE: etc' with the following drivers.
-> ESRI Shapefile
>
> Try the same command with the ArcSDE layer name specified at the end
> for ogr2ogr.
You mean?
ogr2ogr -f "PostgreSQL" PG:"host=myhost user=myuser dbname=mydb
password=** port=5432" -nln postgis_name
SDE:SDE,5151,,***,,sde_name sde_name
I wonder why "layer" in the SDE f
es the postgis layer with each (I
discovered by interrupting the process or looking at data in postgis).
I am using GDAL from stable version of MS4W, with the sde dlls for
arcSDE 9.3
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