Questions tagged [service-area]
A network analysis method for determining areas of the network reachable within a certain distance or time.
172 questions
2 votes
0 answers
75 views
Creating different service areas from layer based on attributes/area in QGIS
I want to create different service areas from a single layer in QGIS, based on attributes. I'm analysing greenspace supply in different cities in Germany. At it's core, what I want is bigger ...
3 votes
0 answers
85 views
Merging several network analysis layers in ArcGIS Pro
I have done 10 network analyses (service area layers) in ArcGIS Pro. They all show the walking time of 5, 10 and 15 minutes to different services types (ex stores, schools and health care). Now I want ...
- 31
0 votes
0 answers
31 views
Adjust service areas for slope
I have standard Slope map created in ArcGIS Pro 3. I need to convert it somehow to a Scaled Cost layer for use in Network Analyst, to create Service Areas. The context is that I have a manual walking ...
- 19
2 votes
2 answers
591 views
Remove raster values above a numerical threshold
I have a set of interpolated raster files derived from a road network. Where QNEAT3 has interpolated between the road lines to make a simple outside edge, the values given in these 'white spaces' are ...
- 23
0 votes
0 answers
62 views
QGIS cumulative multiple rasters with weighting
I have a series of ~20 Isochrone interpolation rasters derived from different points layers and a road network in QGIS & QNEAT3. I'd like to overlay all the rasters to form a heatmap of 'total ...
- 23
0 votes
0 answers
37 views
Why is the drive time and walk time service area analysis (network analyst) returning polygons of descending sizes?
I am trying to build a very basic network analysis layer to show the service area for transit. All I need to show is the service area that takes 10 minutes to walk (or 1/3 mile) from transit stops/“...
- 1
1 vote
0 answers
48 views
QGIS Network analysis: Consideration of heights
I want to calculate isochrones in QGIS from a location X (for example, a catchment area of 900 metres). We use our own dataset of footpaths for this. So far, this has worked very well with the network ...
- 11
0 votes
0 answers
182 views
Loading Germany map to ors app on docker - decoding .tiff error
I am fairly new to QGIS and docker so I would like to ask more experienced people. I am calculating driving time isochrones for over 60min reach in QGIS. To do so I installed ORS app in container in ...
- 1
0 votes
0 answers
60 views
Generate service area using variable range values in ArcGIS Pro
I'm trying to generate service areas where each point location has different sized service areas, based on attributes at that location. The input is a road network feature class and a point feature ...
- 37
1 vote
0 answers
57 views
Using data points lying within certain isochrone to model walking routes in QGIS
I am trying to model the routes students take to university on foot using QGIS. I have the student data in point form, but this is the student data for the whole city. I also have an isochrone which ...
- 11
6 votes
2 answers
377 views
Calculate network length covered by service area in QGIS
The resulting MultiLineString features of Service area (from point) and Service area (from layer) in QGIS usually contain several overlapping lines. How can the length of the network covered by the ...
- 1,759
2 votes
3 answers
378 views
Remove partly overlapping geometries from service area in QGIS
In QGIS, Service area (from point) or Service area (from layer) geoprocessing tools create 1 resp. n multipart line features which (usually) contain many overlapping sections. Most of them can be ...
- 1,759
1 vote
3 answers
370 views
Extract all dangles of a service area in QGIS
I use the Service area (from layer) tool in QGIS (3.34), which allows to output the boundary nodes. I was expecting that this tool only returns the nodes at all dangles of the calculated service area ...
- 1,759
0 votes
0 answers
103 views
QNEAT3 'Iso-Area as Polygons processing error
I am doing a network analysis on QGIS. Versione di QGIS: 3.28.12-Firenze Revisione codice QGIS: dcc633b2de Versione di Qt: 5.15.3 Versione Python: 3.9.5 Versione di GDAL: 3.7.3 Versione di GEOS: 3.12....
- 1
2 votes
0 answers
295 views
Creating an isochrone from GTFS data
I want to create an isochrone map, with a single stating point at first, from standard GTFS data. I've started by filtering only the relevant areas both in Stops and Shapes files, but now I'm not sure ...
- 121