Questions tagged [connectivity-analysis]

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Connectivity of Streams

I have a line vector layer containing streams (see image below). What is the easiest approach to determine the connectivity of each stream segment (eg. sum of upstream nodes)?
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Checking if network has connection errors

I have given a network of a city in dwg. I made a dxf that only contains the network itself, and created a layer for every type of pipe (like 25KPE, 80KPE etc...). How do I check if the network is ...
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Fish passage connectivity analysis using geometric network traces?

We are looking at the connectivity between lakes and the ability of fish to pass between them, considering that downstream presents no barriers for these fish but swimming upstream does (barriers = ...
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What is a good data structure and file format for describing road network geometry AND topology?

I am trying to emulate the road network from OSM or Google (or Waze, etc.) locally, so that I can run some algorithms on it. For that, I want to represent these roads as graphs, where each edge would ...
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Line segment connectivity analysis in FME

I have a set of line segments, all of them snapped at the endpoints: As seen in the above image, the line segments appear in groups (4 in this example). Question: I would like to determine which ...
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Graphical interface to fine-tune input parameters (arguments) for SNIC segmentation in GEE

For SNIC segmentation in GEE, I want to have a graphical interface (e.g., slider) to adjust input parameters (arguments). I have attached screen shot and request to technical guidance (sample code) ...
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2answers
78 views

Calculating connectivity of region?

I have some regions that I have defined and all the public transit in the State, shown here: The blue blobs are the regions, points are the bus/tram stops, and the lines are the routes. I want to ...