Hi,
Sorry, but I am a linux person and it usually takes me 3 times longer to
write python.
There is the python program gdal_retile.py, but if I remember, it didn't
handle my use case the way I wanted it.
/Lars S.
Den 2021-11-11 kl. 17:54, skrev Lorenzo Di Giacomo:
I guess it'll do the
Hi
I talked about this at the foss4g 2 years ago and shared a bash script where I
do exactly what you are asking for. I don't know if you consider it to be easy,
but
the example is this script:
https://gist.github.com/LarsSchy/9ecb31eb964dd83820c139b2f2769a7c
ommand if you want to write it in other format:
| awk -F, '{printf "%d,%d,%d,255\n", $1, $2, $3}'
To assemble a vrt and a tif I have used gdalbuildvrt command with the argument
"-separate".
You get a new vrt that You then convert with gdal_translate.
Have fun / Lars Schylberg
rtable_vrt.txt:
sed -i -e '/VRTRasterBand dataType="Byte" band="1"/r orig_colortable_vrt.txt'
image_6.vrt
Remove a certain line that contains "NoDataValue"
sed -i -e '/NoDataValue/d' image_6.vrt
There a also a sed commands to delete certain rows. Just read many s
Maybe this could help a little.
I had a problem a while ago when I wanted to filter just the mask and then
assemble it again. It took some reading to get it right.
So I took the image apart with gdal_translate -b mask. Then ran gdal_sieve.py
where I got a 8 bit mask.
The tricky part was then
To reduce size this guide is still good:
http://blog.cleverelephant.ca/2015/02/geotiff-compression-for-dummies.html
/Lars S.
Den 2021-02-04 kl. 21:00, skrev Pteroglossus via gdal-dev:
Richard, thanks you for your support, I would not have done it without you!
I tried to convert one of my
experiment. It seems like the command that produces
"alaska_warped_sliced_at_180.vrt" is missing in your script.
I guess that step could be vital to understand what is going on.
Best regards
/Lars Schylberg
26 november 2020 kl. 03:42, "James Russo" mailto:j...@halo3.net?to=%22ja
Hi,
I tried to reproduce your experiment. It seems like the command that produces
"alaska_warped_sliced_at_180.vrt" is missing in your script.
I guess that step could be vital to understand what is going on.
Best regards
/Lars Schylberg
26 november 2020 kl. 03:42, "James
Hi,
gdalwarp has an option -r that allows min and max and -tr for output
resolution. But the problem remains how to assemble the results in a pyramid
the way gdaladdo does.
/Lars S.
14 oktober 2020 kl. 11:03, "pt test" mailto:pttes...@gmail.com?to=%22pt%20test%22%20)> skrev:
Hi
I have a DEM ,
I have used gnu parallel with good results. A description can be found here:
https://gis.stackexchange.com/questions/217814/full-utilization-of-cpu-cores-with-gdalwarp
(https://gis.stackexchange.com/questions/217814/full-utilization-of-cpu-cores-with-gdalwarp)
/Lars Schylberg
24 januari 2020
will help You in the right direction
/Lars Schylberg, Saab
Den 2020-01-21 kl. 15:28, skrev Mikael Rittri:
Hello, list. I need some advice.
We have a customer with some Tiff files with CMYK colors. It is a rasterized
vector
map, not an orthophoto, so the assigned colors are somewhat arbitrar
I would use ogr sql syntax to select whatever you would like to keep.
Experiment first with ogrinfo. Then do it with ogr2ogr. /Lars S.
4 januari 2020 kl. 12:50, "LE LAMER Romain" mailto:rlela...@hotmail.fr?to=%22LE%20LAMER%20Romain%22%20)>
skrev:
Hi,
During a kml export, from a shp, I have many
github.com/LarsSchy/c1be96fa03f7dc11df4247be033e2705)
I hope this helps You.
Have fun / Lars Schylberg
29 december 2019 kl. 16:47, "LE LAMER Romain" mailto:rlela...@hotmail.fr?to=%22LE%20LAMER%20Romain%22%20)>
skrev:
Hi,
I need to convert 524 288 color png tiles to black and white pn
g attriubutes in the
57attributes.csv for aml.
The procedure is to compare the specification and the content of the csv
file.
But I remember that I played with some IW files from Germany as well and
those displayed just fine.
Good luck /Lars Schylberg
Den 2019-12-12 kl. 20:25, skrev W
Have tried the inland water profile? This is how i did it in the past.
This is a config for ogrinfo or ogr2ogr.
--config S57_PROFILE iw
This refers how the attributes are defined differently between normal S57 ENC
and the inland water profile in
the csv files
Good luck
/Lars Schylberg
12
Hi Paul,
if You do: gdalinfo --formats | grep AERONAVFAA
does your format show up?
I could be that You have to make your own build to have AERONAVFAA included.
It doesn't show up in my debian build.
/Lars
4 september 2019 kl. 14:46, paul.m...@lfv.se (mailto:paul.m...@lfv.se) skrev:
Hi,
use: osm2pgsqql or imposm instead
/Lars
4 september 2019 kl. 15:00, paul.m...@lfv.se (mailto:paul.m...@lfv.se) skrev:
Hi,
When I try to convert an open street map directory to a postgis data
base I only get one layer(other_relations) with some lines and some points, far
from
th gdal_edit again.
This might hopefully give some inspiration for you how to tackle your
use case.
The full script can be found here:
https://gist.github.com/LarsSchy/9ecb31eb964dd83820c139b2f2769a7c
Have fun
Lars Schylberg
20 juni 2019 kl. 22:06, "Stephen Woodbridge"
skrev:
Have a look at:
https://www.gdal.org/gdallocationinfo.html
This page gives examples how to script it for a polygon:
https://gis.stackexchange.com/questions/317213/gdal-gdallocationinfo-of-cgiar-mosaic-elevation-data
Have fun
/Lars Schylberg
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