Questions tagged [software-recommendations]
Questions seeking software recommendations are better asked at the Software Recommendations Stack Exchange or in the GIS Chat Room.
964 questions
0 votes
0 answers
63 views
Is there a QGIS workflow or plugin that has the same functionality as the Arc Merge Divided Roads tool?
I am seeking a QGIS plugin or workflow that takes a projected road network (linestrings) and a distance, and returns a simplified version of the network where roads are merged together to a centreline ...
-1 votes
1 answer
93 views
Batch downloading DEM tiles from links in shapefile [closed]
I want to download 17,613 tiles from a shapefile that has links to download each DEM. What would be the best way to do this?
1 vote
2 answers
391 views
Find the UK ceremonial county of a lat/long pair
I have a list of latitude & longitude pairs for around 2700 points of data: https://github.com/davwheat/uk-railway-stations/blob/main/stations.csv I have a GeoJSON of the UK ceremonial counties: ...
1 vote
1 answer
629 views
Looking for simple tool for making contour maps
I'd like to make a contour map of several small areas and export it as an image or Google Earth file. I'm not a GIS professional so looking for something quick and easy. I've found contourmapcreator....
0 votes
1 answer
370 views
Creating interactive QGIS web map
I use QGIS, and want to build a locally hosted interactive web map displaying various proprietary and open data, that internal staff can search/query. QGIS2Web looks to be suitable for most of these ...
1 vote
4 answers
416 views
Sharing QGIS project or interactive map with clients [closed]
I'm looking for a safe and secure way to share my QGIS project to different clients. The information stored in the data files is sensitive. The user can't be allowed to modify it. I've looked into ...
0 votes
0 answers
54 views
Extract a hierarchical topology from stream network
A typical stream network has a hierarchical topology that resembles a cladogram (phylogenetic tree). There are many software tools that have been developed to analyze variables along a cladogram, ...
-1 votes
1 answer
184 views
Show plots at maps
Maybe there is an easy solution for this, but I couldn't find any. I'm trying to show all of these scatter plots in the following picture at a map, so that I can see more easily trends depending of ...
-2 votes
1 answer
216 views
Simplify by removing overlapping lineparts in adjacent polygon features
I am looking for a way of simplifying my GeoJSON file by removing overlapping lineparts between adjacent polygons. I have a GeoJSON file with polygons of cadastral parcels which, by definition, are ...
-1 votes
1 answer
130 views
Php or javascript libraries for GIS calculations
I am presently doing all my computing in QGIS. Once all complete I export my point, line and polygon data in geojson for ultimate use with MapBox and Leaflet. I would like to automate my calculation ...
0 votes
1 answer
369 views
Simplifying adjacent polygons with Python while maintaining shared borders [duplicate]
I want to simplify adjacent polygons (GADM zones level 1) with Python while maintaining shared borders. The general problem is well explained at Simplifying Polygonal Coverages with JTS. The best ...
0 votes
1 answer
554 views
Python script equivalent to QGIS Generate XYZ tiles (Directory) function
I have been using QGIS Generate XYZ tiles (Directory) tool which outputs my raster to XYZ tiles nicely! However, I now want to do this outside of the QGIS environment entirely (so no QGIS involvement)....
0 votes
1 answer
261 views
Histogram matching high-res tiles to satellite image tiles
I have a 3-trillion pixel mosaic TIFF image made from 1-meter NAIP imagery. The NAIP imagery has significantly different values from area to area so seams are quite evident. I have a sentinel-2 TIFF ...
0 votes
0 answers
178 views
Creating constrained Delaunay triangulations for polygons
I have a set of polygons, some of them are connected, but most are not. Some of them are convex, some are not. Now I want to build a navigation mesh based on the polygons, and I find most of the ...
-1 votes
1 answer
57 views
Does MODIS dataset (MOD09GQ) require atmospheric correction to calculate NDVI?
It took a dataset of satellite images with a high frequency of reception (1 day) to work. The work consists in studying the change in the NDVI coefficient at a certain site during the year. I took ...