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Results tagged with qgis
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user 147772
QGIS is a cross-platform GIS application licensed under the GNU General Public License.
0
votes
Managing large data files, vector and raster, in QGIS 3
Please check out PostGIS
https://postgis.net/
Also you can access Postgres databases in QGIS
https://www.bostongis.com/blog/index.php? … /archives/271-New-in-QGIS-3.2-Save-Project-to-PostgreSQL.html
https://docs.qgis.org/2.8/en/docs/training_manual/databases/db_browser.html …
- 285
3
votes
Merging layers using QGIS?
I am assuming you are new to QGIS.
Firstly you need to make sure you have your 'Layers Window' open. Go to View > Panels > Layers to open it if not. … Load your layers (shape files and rasters) by dragging it into QGIS.
Order your layers in the 'Layers Window' depending on which layer do you want to see above which other layer. …
- 285
0
votes
QGIS Voronoi polygons wrong behaviour
On opening your data in QGIS and then going to
Vector > Geometry Tools > Voronoi Polygons,
and setting the buffer percentage to 200 and clicking on run, I got the following output. …
- 285
-1
votes
1
vote
1
answer
72
views
Conversion of MLS/AURA RELATIVE HUMIDITY PRODUCT to correctly referenced GeoTIFF
Can anyone help me in correctly geo-referencing the file into a corresponding GeoTiff file, so it correctly projects itself in something like QGIS? …
- 285
3
votes
1
answer
733
views
Analyzing MODIS Aerosol Optical Depth
I tried using
gdalwarp -t_srs "EPSG:4326" HDF4_EOS:EOS_GRID:"MCD19A2.A2018312.h24v06.006.2018314040314.hdf":grid1km:
Optical_Depth_055 test.tif
This gave me a tif file which i then visualized in QGIS …
- 285
6
votes
3
answers
514
views
MODIS Fire Product tile conversion to GeoTIFF problem
512.0)
Center ( 256.0, 256.0)
I then used the command
gdal_translate -of GTiff -a_srs "EPSG:4326" HDF4_SDS:UNKNOWN:"MOD14.A2019221.0450.006.2019221091704.hdf":0 out.tif
On visualising it on QGIS …
- 285
2
votes
1
answer
2k
views
Converting Longitude range from (0,360) to (-180,180) in Python or by using gdal commands
Visualising it in QGIS.
I want to correctly project it so that its extent varies with longitudes from -180 to 180 instead of 0 to 360. …
- 285