Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 498

How to make the display of a satellite image the same across users?

I have a group of users counting objects in a satellite image. To keep viewing conditions the same I wish each user to have the same display (e.g., the same...

Asked on 12/07/2020 by Gulf

2 answer

Converting raster to integer values and exporting as 16 bit using QGIS

I am trying to export a DEM raster as a 16 bit image using the Raster>Conversion>Translate drop down menus in QGIS. I have seen somewhere I need to save...

Asked on 12/07/2020 by Karyn

1 answer

Importing GeoPackage via GeoPackage vs. Import Vector in QGIS

Is there any difference when importing a GeoPackage into QGIS using the data source manager between using the section "Vector" and the section "GeoPackage"? I did not see any difference...

Asked on 12/07/2020 by C.-F. Vintar

1 answer

'Layer is not valid' error in QGIS for delimited text layer

I am trying to add a CSV that contains lat/long coordinates as a layer to a project in QGIS but I keep getting a 'layer is not valid' error. Here...

Asked on 12/07/2020 by vastava

1 answer

Reducing number of polygons in a shapefile to increase the render speed for R Leaflet?

I'm trying to increase the speed of my R Leaflet map by reducing the size of the polygons. I found a great solution on stack exchange here, but for...

Asked on 12/07/2020 by dlopez

1 answer

Why is 'Create Geospatial PDF.' greyed out?

I am using QGIS to create a map that can be used in avenza. When I try to export as a PDF it does not allow me to tick the...

Asked on 12/07/2020

0 answer

Replacing ArcPy with ArcGIS API for Python?

Today I found out about the ArcGIS API for Python. I was wondering if you could use this to (eventually) replace ArcPy? Recently I have been doing analyses...

Asked on 12/07/2020 by RutgerH

1 answer

Getting latest image from imageCollection of Google Earth Engine

I'm trying to get the last image available in an image collection but I can't find any function that works. I've tried also to sort the collection in the reverse...

Asked on 12/07/2020 by Giox

2 answer

Pathfinder web map address format?

I would like to load a web service as a background in Trimble Pathfinder Office 5.30. But I always get an error indicating that either it couldn't understand the...

Asked on 12/07/2020 by gspontak

0 answer

Normalized difference of all bands

How I can get the normalized difference of all bands of an image with a function?to qualify it; I want to gain normalized difference of b(i) with b(j) if...

Asked on 12/07/2020 by Asad Delsouzkhaki

1 answer

Ask a Question

Get help from others!

Geographic Information Systems : Recent Questions and Answers (Page 498)

Ask a Question