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How to customize weight function based on edge attribute in Networkx shortest_path

I have created a graph representing NYC road network. I am trying to calculate a path between two nodes using Networkx shortest_path. Running it like this works fine and I'm able to visualize the ...
Alex's user avatar
  • 1
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0 answers

Weighted 2D kernel density heatmap in R

I have visual observations from repeat transect surveys (individual sighting locations based on bearing and distance to transect) that I use to create 2D kernel density heatmaps. Currently I do so ...
Anke's user avatar
  • 183
1 vote
1 answer

Created weighted sample points in ArcGIS Pro

I have a classified satellite image and I want to create a confusion matrix to check its accuracy. Instead of doing a "simple random sample", I want to do a weighted sample, where there is a ...
TBI_PRK's user avatar
  • 11
4 votes
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Making weight heatmap on recurring event in points layer using QGIS

I have a heatmap created on a points layer of deer-vehicle collision. Now, I want to weight the heatmap on the recurring of crash in the same area in different years. I would give weight 0 if a point ...
Luca's user avatar
  • 41
1 vote
1 answer

Weighting the flow accumulation raster by the slope raster in QGIS

I am trying to represent de equation of Mahoney et al. (2018) Where Si is the slope in the cell i, ΣSup is is the sum of the ...
Jose Antonio's user avatar
4 votes
2 answers

Mean coordinates from several columns

I have a delimited text layer created from table with a few hundred coordinates (lat/long) in columns A and B and several hundred values associated with these coordinates in columns C to XXX. Now, I ...
Alrik's user avatar
  • 121
2 votes
0 answers

Taking weighted average over overlapping polygons in QGIS

I am trying to find source emissions values for a roads lines layer based on emissions rates tied to polygons. Here is an illustrative depiction of the two layers I am working with: Each polygon has ...
LostinSpatialAnalysis's user avatar