Meghan,
Looks like you are on Mars and in your warp command your +a and +b appear to
be in kilometers -- when they should be meters.
Now I'm not sure where those radii values are coming from. I guess I would
recommend using the same as the input image though.
+a=3396000 +b=3396000
-Trent
Thanks all for the feedback!
Right now we are looking at doing this for only 8bit.
Regards
On Fri, 8 May 2020 at 15:14, Frank Warmerdam wrote:
> Travis,
>
> The big benefit of JPEG compression comes with YCbCr color space which I
> do not believe can be mixed with a 4 band RGBI product. So
That is correct, my image is a Mars southern pole image. Those radii are
pulled from another file but I have run the command with the +a/b being in
meters, specifically 3396000 and I still get the same result (missing polar
information).
I have also run the command using -wo SAMPLE_GRID=YES and
On vendredi 8 mai 2020 15:08:36 CEST Travis Kirstine wrote:
> Is it possible to create RGBI Cloud Optimized Tiffs with JPEG
compression?
Possibly. But not with the COG driver, which doesn't offer the option
for that. You should use the old way with the GTiff driver by forcing
-co
Travis,
The big benefit of JPEG compression comes with YCbCr color space which I do
not believe can be mixed with a 4 band RGBI product. So I'm not sure how
one would do this. One could certainly put the NIR in a distinct directory
in the GeoTIFF, but not many applications would know how to
I guess you mean RGB and I for Infra-red ? Anyway the answer will be NO. JPEG
only allow 3 bands + a bit mask (same for Webp).
For raster with more than 3 bands there is no real option to get compression
(with loss) as high as with JPEG or WEBP .
> Le 8 mai 2020 à 15:08, Travis Kirstine a
Is it possible to create RGBI Cloud Optimized Tiffs with JPEG compression?
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Meghan,
Handling poles tend to be fragile, so perhaps something that worked previously
no longer
works.
Did you try -wo SAMPLE_GRID=YES ?
If that still doesn't work, the best is you open a ticket with an input image
attached
(dimensions reduced as much as possible while still reproducing
Hello!
I'm hoping someone can shine some light in my direction because I can't
find any answers.
I'm trying to warp a Polar Stereographic image into an Equal Cylindrical
projection. When I run the gdalwarp command on older versions (specifically
1.8.1), my image looks as I would expect. When I
-- Forwarded message -
From: Giuseppe Amatulli
Date: Fri, 8 May 2020 at 13:35
Subject: Gecomputation web-seminars (GDAL, PKTOOLS, GRASS, HPC)
To:
Dear Colleagues,
In reference to the Gecomputation web-seminars starting on Monday, May 11th
2020, below you can find the youtube
sweet thanks. this thread has helped a bunch thanks!
--
Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html
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Dear All,
I have called below GDAL function with callback, not getting the call to
callback function?
var newDs = Gdal.wrapper_GDALVectorTranslateDestName(output, ds,
gdalOptions, new Gdal.GDALProgressFuncDelegate(ProgressFunc), null);
public static int ProgressFunc(double Complete, IntPtr
Hello,
I always thought QGIS and gdalwarp should return same result for projecting
a 2D Sentinel 2 image (e.g: T32UQD_20200421T102021_TCI_60m.jp2) from UTM 32
to EPSG:4326.
What I did was:
- Open the .jp2 in QGis 2.14.9 with 'Enable on the fly CRS
transformation'.
-
Warp the .jp2
Hello,
I've tried to reproduce a problem to subset (clip) an UTM 32 Sentinel 2
GeoTiff by a given Bounding box (BBOX) in EPSG:4326.
I've created a python gdal script for it, but the result is always contain
few more pixels than what I've tried with gdal_translate binary.
All information of the
Hi Pedro,
You wrote that you used this command in your test
gdal_viewshed -b 1 -md 28000.0 -ox -41597.922 -oy 71254.049 -oz 21.6 -tz
10.0 -vv 1 -cc 0.85714 -f GTiff path_to_mdt.tif path_to_output.tif
Could you also give a link to "path_to_mdt.tif" or repeat the test with some
other DEM that
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