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Geographic Information Systems : Recent Questions and Answers (Page 2)

Find answers to your questions about Geographic Information Systems or help others by answering their Geographic Information Systems questions.

Finding applied transformation method and accuracy information when reprojecting layer in QGIS

When I load two layers with different CRS I'm prompted to choose a transformation method and there is a column indicating the accuracy (see image 1). I would like to...

Asked on 01/05/2022

3 answer

QGIS software missing on laptop after trying to update to latest version

I am facing an issue with QGIS installation. I tried to upgrade my QGIS to version QGIS 3.14, I couldn't locate it on my laptop anymore. However, I can see...

Asked on 01/05/2022

0 answer

Moving point A to point B with attributes using QGIS

I have an A layer containing points with a XX attribute.I would like to move (on points A) the points of a layer B with the same XX attribute...

Asked on 01/03/2022

1 answer

Cut hole in raster with shapefile and sample at closest edges

I have a raster in which I'd like to cut a "hole" with a shapefile. I have points close to the boundary, but inside the hole, and I would like...

Asked on 01/03/2022

1 answer

FME - Cannot load versions in ArcSDE Geodb Writer

I'm attempting to write to a version in a 10.6.1 ArcGIS Enterprise Geodatabase with a SQL Server 2017 Backend. I have created a version in the database and I want...

Asked on 01/03/2022

1 answer

Remapping classified image using Descartes Labs

I am hoping to remap the values of a multi-value classified image to create a binary classification. In Google Earth Engine, there is a function remap() that takes the original...

Asked on 01/03/2022

1 answer

Computing correlation between two image collections in GEE

I have two image collections with 744 images each (and the same resolution and extent), covering the whole Earth.I need to compute the correlation between the image collections for...

Asked on 01/03/2022

0 answer

Get Geometric Attribute Columns to Dynamically Update in QGIS

I want to add X Y columns to my point data shapefile. There are various ways to add them as explained here https://www.northrivergeographic.com/qgis-adding-x-y-coordinate. But none of these...

Asked on 01/03/2022

1 answer

How would you do specific origins to specific destinations using network analyst in ArcGIS Pro?

I'm working in ArcGIS Pro 2.5 and I have an Advanced license. There will be 2 datasets:about 400 points for origins (ZIP centroids)about 40 points for destinations (healthcare facilities)I already...

Asked on 01/03/2022

0 answer

Changing (flipping) line direction in QGIS

I have a river network in QGIS. I draw opposite direction of one of the rivers. Now I want to change the direction of that river. How can I do...

Asked on 12/31/2021

4 answer

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