Hi,
Thanks for the code but it doesn’t work :/
ERROR 5: map_11_0_309.tiff: GDALDataset::GetRasterBand(2) - Illegal band #
it is quite complex to understand and the help of gdal is not very provided…
this is what gdalinfo returns to me
For .tiff :
gdalinfo map_11_0_309.tiff
Driver: GTiff/GeoTIFF
Hi,
Is it possible via gdal_translate, or other gdal program, to binarize a tile?
I would like the colors RGB 59,89,95,255 & 60,89,96,255 change to white (color
entry 0) and that the other colors 109,178,200,255; 138,193,212,255 &
161,205,220,255 change to black (color entry 1)
I don't
Hi,
I would need help ...
I know how to do all the steps on the QGIS interface except one, the
binarization of the png with the Raster calculator according to the RGB colors
I have 524 288 png tiles to convert to kml, and even if I wanted to, it's an
impossible task by hand ... so I would
Hi Nick,
Thanks for this method.
I didn't manage to do it in the QGIS python console but I installed gdal on the
mac and it does the job perfectly.
I have more than to make a script to convert the whole and I could exploit that
on QGIS.
> Le 22 déc. 2019 à 21:06, Nick Hopton a écrit :
>
> It
@Nicolas :
I tried to save it in .geoTiff format (right click, export, save as) I end up
with a white or black tile …
If you want to try, here is the png and the coordinates (if you get there, I
would like to know the method)
[cid:FA974430-F7BF-4AD9-BC9D-316070788235]
N = 71,71875
W = -180
S
Hi,
I have a complete map in tiles of 256 x 256 px in png format not georeferenced.
(if I open them in QGIS they are superimposed on each other)
1024 tiles in Longitude and 512 tiles in Latitude = 524288 tiles.
Each tile is named as follows: map_Z_X_Y.png
Z => zoom (11).
X => from 0 to 1023.
Y =>
60, go
with SRTM data. ALOS AW3D30 is far superior to ASTER also and covers about the
same ground.
Nicolas
Le 2 déc. 2019 à 11:31, LE LAMER Romain
mailto:rlela...@hotmail.fr>> a écrit :
Hi,
I need ASTGTM v2 except now we are in v3.
(Minimum water body detection size v2 => 1 km
Hi,
I need ASTGTM v2 except now we are in v3.
(Minimum water body detection size v2 => 1 km², v3 => 0.2 km²)
In the doc, I understand that it is possible to display the v3 in v2 via the
num file, indicating a number in the range 60 - 110. (any of them ?)
I'm using QGIS 3.10 on macOS and I don't
