Dear Dmitriy,
Yes that is the correct projection code, but the problem is - and hence my
original question - that the “Times” projection referred to on the link you
sent me is not defined in proj4. I’m wondering if anyone has programmed it, or
if someone would be so kind as to assist me in maki
Hi,
"Release soon, release early", so for people who like UML diagrams (there is
also a prototype of C++ classes for those who don't like UML very much), here's
a blog entry with the outcome of my thoughts for a possible re-organisation of
the GDAL/OGR class hierarchy
http://erouault.blogspot.ca/
Hi Jed,
I'm look for this projection on spatialreference.org. I found this one:
http://spatialreference.org/ref/sr-org/7670/
Does this one the same or close to the ESRI one?
Best regards,
Dmitry
24.03.2014 22:42, Jed O. Kaplan пишет:
Dear GDAL gurus,
I have some scanned maps in the “Tim
Dear GDAL gurus,
I have some scanned maps in the “Times" projection that I would like to
orthorectify using gdalwarp and other GDAL tools. It appears that this
projection is not supported in the version of proj4/GDAL that I have, though it
seems to be included in most ESRI software
(http://hel
Thanks Jukka.
Good to know about gdalinfo -hist as you said the problem was the incorrect
setting for the nodata value.
I was using 32767 as suggested in various wikis, but instead now it works as
expected by changing the command to:
gdal_contour -a elev -snodata "-32768" -i src.tif contour.shp
Tom Beddard subblue.com> writes:
>
>
> I do specify -i 20 in my scripts (that was a typo just in my original
email). Does it still work ok for you with an interval of 20 instead of 100?
I stopped the test because it was so slow and would probably stopped because
of too big shp filesize.
You m
I do specify -i 20 in my scripts (that was a typo just in my original email).
Does it still work ok for you with an interval of 20 instead of 100?
I’m actually doing more tests just now. I’ve found that gdal_contour is
significantly faster with a far smaller output shape file size if I first
r
Jukka Rahkonen mmmtike.fi> writes:
>
> Tom Beddard subblue.com> writes:
>
>
> > Can anyone else confirm this behaviour when extracting contours from
> merged SRTM tiles?
Can you check this command, it is perhaps not that you actually used:
gdal_contour -a elev -snodata 32767 -i uk-3785.tif
On 3/24/2014 6:31 AM, Mike Flannigan wrote:
> However DEFLATE is totally unreadable:
> http://www.mflan.com/temp/deflate.jpg
> in both Global Mapper and QGIS.
Early in the qgis 2.x series one of popular the pre-built Windows
binaries was built without DEFLATE compression. However this has been
fi
On 3/24/2014 6:01 AM, Norman Vine wrote:
Thank you all. I got it to work with the following
command:
gdal_translate -of GTiff -co "TILED=YES" -co "TFW=YES" C:\Copy\wp.pdf
C:\Copy\wpt.tif --config GDAL_PDF_DPI 300
I would experiment with adding one of these Creation Options
-co "COMPRESS=LZW"
Tom Beddard subblue.com> writes:
> Can anyone else confirm this behaviour when extracting contours from
merged SRTM tiles?
Hi,
If you can send me a link to your two SRTM tiles then I can have a try. GDAL
told you the very reason for your trouble
ERROR 1: Failed to write shape object. File si
I did try without changing CRS before doing the contour extraction, still no
luck.
The strange thing is that a single SRTM tile might generate a contour shape
file of ~120MB and take just over a minute to process, however combining just
two tiles with gdal_merge.py and then running gdal_contour
On Mar 23, 2014, at 9:32 PM, Mike Flannigan wrote:
>
> Thank you all. I got it to work with the following
> command:
> gdal_translate -of GTiff -co "TILED=YES" -co "TFW=YES" C:\Copy\wp.pdf
> C:\Copy\wpt.tif --config GDAL_PDF_DPI 300
I would experiment with adding one of these Creation Optio
Mike Flannigan att.net> writes:
>
>
>
> Thank you all. I got it to work with the following
> command:
> gdal_translate -of GTiff -co "TILED=YES" -co "TFW=YES"
> C:\Copy\wp.pdf C:\Copy\wpt.tif --config GDAL_PDF_DPI 300
> It works pretty good. It converts a 11.1 MB PDF
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