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Geographic Information Systems : Recent Questions and Answers (Page 25)

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

Large-scale cloud masking, grouping and mosaic in Descartes Labs platform

I am looking to create a stack of cloud-free sentinel-2 imagery by day for a large portion of California for all of 2020 in the Descartes Lab platform. I realize...

Asked on 11/14/2021

1 answer

ArcGIS Closest Facility with anisotropic round trips?

I'm working on a network analysis of an urban archaeological site where I'm running a closest facility analysis on some 2000 structures to specific features within the city. I've segmented...

Asked on 11/14/2021

1 answer

Google Earth Engine: Working with imagery with "no bands" --how to select or rename a band

I am trying to perform various operations on MODIS datasets in google earth engine. Every operation I try to perform is prevented by the requirement in code to select a...

Asked on 11/14/2021

1 answer

PostGIS: create new polygons in between existing?

PostgreSQL: I have a PostGIS multipolygon table containing millions of features. It covers 95% of the country, however there are gaps between individual polygons. How can I fill these gaps...

Asked on 11/14/2021

2 answer

Lost ArcMap Add-in Toolbar Built with ArcObjects SDK in .NET and Problem with AssemblyCache folder and ArcGIS Cache Manager

Our organization manages an ArcMap 10.6.1 add-in written using the ArcObjects SDK for .NET Framework 4.7.2. We publish the add-in file to a server folder. We edited the registry to...

Asked on 11/14/2021

0 answer

Sorting grid cells in fishnet grid by location and number using QGIS?

I am using QGIS 3.2.0 on a Mac (and also have QGIS 2), and I have a fishnet grid (probably created in Arc) that comprises of nearly 2 million grid...

Asked on 11/12/2021 by StripyDonkey

1 answer

List index out of range when converting layers as a service definietion

In ArcGIS Pro python window: I'm adding certain layers into a list. From that list, I am converting the list in a service definition draft. I use this same script...

Asked on 11/12/2021

1 answer

Use self-defined Leaflet identifiers to work with jsTree checkboxes

I have some hierachic structured point-layers in a GeoJSON file using jsTree (ajax) with checkboxes to add them to the map. As I have about 20.000 points structured in 2.000...

Asked on 11/12/2021 by McOS

1 answer

Latin Hypercube Sampling (LHS) in R

I am new to R and would like to generate Latin Hypercube samples (LHS) for three variables within the following limts: 1.25 ≤ x1 ≤ 5 ,1.25 ≤ x2 ≤...

Asked on 11/12/2021 by Bineet

1 answer

Getting north in Cesium for billboard

I have two maps, a 3D and a 2D Map in my app, The user can move both camera, but the current position and rotation of the 3D camera must...

Asked on 11/12/2021

0 answer

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