Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 82

Rasterio and OpenCV reads JPEG differently

I realise a very similar question was asked as Rasterio and OpenCV shows two different pixel arrays for same image. However my situation is slightly different and I...

Asked on 08/16/2021

2 answer

Uploading ZSTD or DEFLATE compressed GeoTIFF file in Earth Engine assets uploading

Does Google Earth Engine support ZSTD or DEFLATE compressed GeoTIFF files in uploading assets? I had an error when uploading the ZSTD compressed GeoTIFF file in Earth Engine....

Asked on 08/16/2021

0 answer

Creating a mosaic out of rotated raster with gdal_translate

I have a number of images (the amount does not really matter) which are georeferenced with a correct transform ( since they show correct position and rotation in qgis). But...

Asked on 08/16/2021 by Karol Wojtulewicz

0 answer

Concat fields which are not NULL

I am using the concat function in QGIS 3.16.6 on Mac.I want to join several cell values into one new cell.With the concat function it is ignoring...

Asked on 08/16/2021

1 answer

Making legend from layer in ArcGlobe

I want to make a legend on the layer. I heard that in ArcGIS there is a legend wizard, where you can make a legend, but it is in ArcMap,...

Asked on 08/16/2021

1 answer

Is there an automated way to import a GPX file and use the filename as the layer name in QGIS?

I'm using QGIS, importing a lot of GPX files, always selecting the tracks layer for each one and clicking OK. The layers end up being named tracks by default. Is...

Asked on 08/16/2021

0 answer

ogr2ogr shapefile to PostgreSQL

Trying to use ogr2ogr to import a shapefile in PostgreSQL. Here is my command:cd C:Program Files (x86)FWTools2.4.7bin &&SET PGCLIENTENCODING= Windows-1256 &&ogr2ogr -f "PostgreSQL" -a_srs "EPSG:32639" PG:"host=localhost port=5432 dbname=123q user=postgres...

Asked on 08/16/2021 by sep7696

1 answer

Running a tool on subset of layer two points at a time PyQGIS

layer = iface.activeLayer()request = QgsFeatureRequest()request.setLimit(2)request.setFilterFids([1, 2])for feature in layer.getFeatures(request): print([f for f in feature])params = { '-g' : False, 'GRASS_MIN_AREA_PARAMETER' : 0.0001, 'GRASS_OUTPUT_TYPE_PARAMETER' : 0, 'GRASS_REGION_PARAMETER'...

Asked on 08/16/2021

1 answer

Adding Color Map to MrSID Imagery using QGIS

I am trying to convert a single band (grey) MrSid image to a 3 band (RGB) GeoTiff image. Using QGIS (3.12.3-București) on Windows 7, I saved it as a GeoTiff,...

Asked on 08/16/2021

0 answer

Calculate accuracy of georeferencing

I'm working on georeferencing old maps for archaeological purpose. Of course, colonial maps all do have some degree of transformation needed. But sometimes a specific region is well mapped while...

Asked on 08/16/2021 by gvanhavre

2 answer

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