Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 9

Asking for the precise detail of gdal_translate's output .xyz multiband file format (when converting from GRIB)

gdal_translate is able to convert a multidimensional GRIB data file (Copernicus ERA5 reanalysis) with the following command-line command (gdal_translate.exe from 11/2016):gdal_translate source.grib target1.xyzgdal_translate will in this case create two...

Asked on 12/17/2021

1 answer

How to undo misclicks while drawing a polygon?

I'm trying to draw some polygons in QGIS 2.2 and I lose it, because everytime I misclick, I don't find a way to undo that point and start drawing again....

Asked on 12/15/2021

2 answer

Reading raw data into geopandas

Is it possible to read raw data into a geopandas GeoDataFrame, a la a pandas DataFrame? For example, the following works:import ioimport pandas as pdimport requestsdata = requests.get("https://data.cityofnewyork.us/api/geospatial/arq3-7z49?method=export&format=GeoJSON")pd.read_json(io.BytesIO(data.content))The following...

Asked on 12/15/2021

7 answer

Trying to recode raster with CSV using the Grass r.recode.attr but getting error "name 'xrange' is not defined"

I'm trying to recode a large GSSURGO soil raster with CSV using the Grass r.recode.attr following these instructions https://pvanb.wordpress.com/2014/12/13/recode-your-raster-file-in-grass-gis-using-a-csv-file/ but I'm getting error "name...

Asked on 12/15/2021

1 answer

Using GDAL, NetCDF4 to GeoTIFF wrongly rotates the output GeoTIFF file 90 degrees

I have written a code that transforms a NetCDF4 data (it can be downloaded from here) to GeoTIFF file using this link. This code...

Asked on 12/15/2021

2 answer

Incorporate location selection drop-down widget into split panel Earth Engine App

I am relatively new to using the ui module for creating Earth Engine Apps. I used the split panel code from the Earth Engine example apps https://google.earthengine.app/view/split-panel...

Asked on 12/15/2021

1 answer

Python field calculation completed but fails to populate new field

Wrote a script to convert DD coordinates to DM coordinates. Results message says the script completed but field is still populated with Null. ...

Asked on 12/15/2021

1 answer

Updating data from external table in real time using QGIS?

I have been trying for a long time to connect a external table data[csv] through Excel (for exmaple) with QGis with the objective to each time i change any data...

Asked on 12/13/2021

1 answer

Snapping does not work for WFSLayer in ArcGIS JavaScript API 3

I have a web application that I now need to use WFSLayer for some of the map layers. The problem is that snapping does not seem to work for WFS...

Asked on 12/13/2021

2 answer

Installing GDAL with MrSID fails on Ubuntu

I'm trying to install GDAL from source on Ubuntu or CentoOS both, but it fails both times. I also tried GDAL 3.0 which did the same thing. Is there any...

Asked on 12/13/2021

1 answer

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