Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 7

QGIS Unable To Load Processing, Vector Tools and Plugins

I am currently facing an issue with QGIS 3.8.3. In which I am unable to use Vector Tools and other plugins. Below...

Asked on 12/21/2021

2 answer

Installing command line tools for Open Data Cube?

I am trying to setup my own Open Data Cube environment, I did installed Postgres and datacube python libraries, but in order to initialise the database schema the following command...

Asked on 12/21/2021

1 answer

Transferring raster band features to another raster in QGIS

I have one raster layer containing a band that indicates the land type of a random sample of pixels and another raster containing NDVI, VV, and VH values. The first...

Asked on 12/21/2021

1 answer

Addition and subtraction of rasterbrick objects in R

I have two rasterbrick objects showing precipitation. Both have longitude and latitude dimensions of 144 x 72. The first (brick1) has 478 monthly time layers (39 years, 10 months) running...

Asked on 12/20/2021

1 answer

Raster calculator giving error 000539

I'm trying to do Subtraction between two rasters.and I'm getting this error000539 : Error message from Python.DescriptionThe calculation used by the Calculate Field or Calculate Value tool is...

Asked on 12/20/2021

1 answer

Min and Max for each image of NDVI to calculate Em and LST

I am working on my script to calculate LST for all the images in the collection separately and then use the calculated LST to estimate Mean Annual LST. I have...

Asked on 12/20/2021

2 answer

Link QGIS CSV / Excel with raster layers

I have the following problem. I want to link a value from an Excel file to a raster layer. Uploading the Excel file and linking to other vector layers via...

Asked on 12/20/2021

2 answer

Convert pixel x,y position on map to latitude and longitude

My map takes up 100% width and height of the browser screen.. I have a draggable div that is super imposed over the map, I am am capturing this divs...

Asked on 12/20/2021

1 answer

Calculating apportionment on the client-side in JavaScript map?

I have a set of census polygons (P1... P4) containing population information, and I'm building a tool using the ArcGIS Server JavaScript API whereby the user can draw an arbitrary...

Asked on 12/20/2021

1 answer

Relation between Geoidal separation and antenna altitude in GGA sentence?

I have searched about definitions and relations about geoidal separation and antenna altitude reported in GGA sentence. The more I read the more I am confused.So in a simple manner...

Asked on 12/18/2021

4 answer

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