11
votes
Accepted
Launching QGIS with specific user profile
From the command line you can start QGIS with the --profile option:
qgis-bin.exe --profile spanish
will start QGIS and load my spanish profile on Windows.
- 7,920
8
votes
Generating series of cross sections (profiles) along line using QGIS?
I've been trying to find how to do this for a while. @Kazuhito's comment led me to find this.
You need two things:-
a line (your axis or route)
a DEM (raster)
Convert Points to Line
You can get ...
- 19.8k
7
votes
Elevation Profile with labels on waypoints (QGIS, Python)
Using your xml file and matplotlib you can achieve nice results if you put some effort in it. Matplotlib plots can be tweaked to look alot like your example. The trickiest part was to calculate where ...
- 53.9k
6
votes
Elevation profile 10 km each side of line
For anybody who's interested, here's a modified version of JamesS code creating perpendicular lines using numpy and osgeo libraries only. The answer of @JamesS, helped me a lot today!
import osgeo
...
- 61
6
votes
Elevation profile 10 km each side of line
I had the same problem and tried @JamesS' solution, but couldn't get the GDAL to work with Fiona.
Then I discovered the SAGA algorithm "Cross Profiles" in QGIS 2.4, and got exactly the ...
- 61
5
votes
Accepted
Visualizing vertical profiles from LiDAR point clouds in R?
Instead of organizing data where each plot is in a different column, do it as a dataframe with all Z values in one column and an additional index column with the plot ID. For example:
plot_id Z
1 ...
- 9,911
5
votes
Accepted
Elevation Profile with labels on waypoints (QGIS, Python)
You could combine QGIS with HTML/Javascript (Highcharts or any other framework) to produce appealing elevation profiles. With the help of some Python expression functions, it's possible to use the ...
- 3,773
5
votes
Creating longitudinal section from points using QGIS
I would recommand to use DataPlotly Plugin (https://github.com/ghtmtt/DataPlotly) for that. You can use the selected points or all of them. In the example below I've used the x-coordinate of each ...
- 7,920
4
votes
Accepted
Command line tools to generate elevation profile from DEM + GPX/GeoJSON
If you load your LineString gpx/geojson
ogr2ogr -f "PostgreSQL" PG:"dbname=" linestring.geojson
and DEM tiff into PostGIS (replace XXXX with EPSG code, eg for WGS84 use 4326)
raster2pgsql -d -C -I -...
- 2,093
4
votes
Accepted
Levelplot(RasterVis) two marginal plot scale?
I have committed changes in the repository that implement the axis.
Use this code to install the latest development version:
## install.packages("devtools")
devtools::install_github("rastervis", "...
- 346
4
votes
Improving resource consumption of Profile Tool Plugin of QGIS
Instead of using a plugin, try using optimised and native tools.
In processing toolbox, try to SAGA > Terrain Analysis > Profiles from lines.
- 1,381
4
votes
Accepted
Building exaggerated elevation profiles from VRT DEM in QGIS
Looking beyond QGIS I found the answer directly in GDAL VRT, and it's so simple.
I only need to add <Scale>10.0</Scale> to the VRTRasterBand:
<VRTDataset rasterXSize="412502" ...
- 3,773
4
votes
Accepted
QGIS "Profile Tool" Plugin inaccurate reading
The SRTM DEM has a ground resolution of 30 meters (1 arc-second), see https://en.wikipedia.org/wiki/Shuttle_Radar_Topography_Mission#Highest_Resolution_Global_Release and references.
So the elevation ...
- 3,613
4
votes
QGIS open project with specific user profile
QGIS can be started from the command line and accepts parameters.
Here a short excerpt from the help:
qgis --help
QGIS is a user friendly Open Source Geographic Information System.
Usage: qgis [...
- 26.4k
3
votes
Accepted
Is there any difference between a stream's Longitudinal Profile and its Elevation Profile?
An elevation profile or a topographic profile is a two-dimensional cross sectional view of the landscape. It provides a side view of the relief of the terrain along a line drawn between two locations ...
- 36.5k
3
votes
Visualizing elevation profile across a whole mosaic dataset?
As a workaround solution, you can interpolate a line from your mosaic dataset using the 'interpolate line' tool. You can then use the output line to create the profile.
According to this post: https:/...
- 6,410
3
votes
Accepted
Utility Profiles --- ArcGIS
Sewer and Storm Profiles can be created using the ArcGIS for Water Utilities add-in tools.
Your network data needs to be in a geometric network (so that it can trace from manhole to manhole). There ...
- 29.2k
3
votes
Accepted
Problem with interpolating a vertical profile in 3D Analyst (ArcMap 10.1)
Vince's comment partially answers your problem - your data is in degrees, so the x axis or length is also going to be displayed in degrees rather than meters.
However I think you're also confusing ...
- 15.5k
3
votes
Accepted
error using the QGIS "terrain profile" plug in
The "Add layer" button is only for the raster layers.
To get the profile for a certain line:
activate the line layer (= highlight it in the layer list)
activate the profile tool (in the toolbar)
...
- 82.4k
3
votes
QGIS Profile Tool - Terrain Profile
At 3.8.3, here's what works for me:
I have a raster DEM and a vector point shapefile (the point shapefile does not have elevation values in its attribute table). I want to create an slope profile ...
- 7,088
3
votes
Accepted
Creating DEM Contour files from shapefile line data in QGIS
I had the same question and looked everywhere! Finally a solution - you need to use "TIN interpolation". This video explains it perfectly: https://www.youtube.com/watch?v=PhJ77uHlTJA
It demonstrates ...
- 106
3
votes
Accepted
Cutting/ exporting multiple terrain profiles to CSV files with QGIS?
Use the Sample raster values or Add Raster Values to Points tool to extract raster values:
Make sure each line has a unique attribute, eg "Line_ID".
Convert the lines into points
Use the Extract ...
- 23.2k
3
votes
Accepted
QGIS open project with specific user profile
Just start QGIS from commadnline with some options:
start "" "C:\Program Files\QGIS 3.16\bin\qgis-ltr-bin.exe" --profile english --project "c:\tonne\dreisam.qgz"
the ...
- 7,920
2
votes
What dem data are Flex Viewers using to create elevation profiles?
It is handled by an esri geoprocessing service, which it is recommended that you update from the old service.
The details page mentions plenty of good reference information.
- 17.4k
2
votes
Accepted
Changing the Axis on a Profile Graph
The units of the graph and how to change them depend on which axis you're looking at.
First, the horizontal units are the same as your current map projection. If you are using a Geographic coordinate ...
- 15.5k
2
votes
3D soil profile from borehole information
To build the boreholes, I would recommend this tool which is intended to be used with the 3D Analyst extension of ArcGIS for Desktop:
You can set the coordinates of the starting points, azimuth and ...
- 21
2
votes
Accepted
3D soil profile from borehole information
You don't need a specific add-on programme, look at The Subsurface Geology of Brussels, Belgium, Is Modeled with 3D GIS with 3D Analyst.
or Modeling the Terrain Below (3D Borehole tools)
- 51.4k
2
votes
Making simple line more complex using QGIS?
This isn't a python-script-based solution, but this will technically work:
To add more nodes along along a line, you can use the "Densify Geometries" function specifying a distance or a number of ...
- 1,393
2
votes
Accepted
Replicate elevation profile extraction (3D Analyst toolbar) in ArcPy
Following up, the extremely straightforward solution (offered up by KHimba) is a built-in function that I was unfamiliar with, called StackProfile in the 3D Toolbox. Here's a condensed version of how ...
- 413
2
votes
Accepted
Create profile graph over multiple rasters (ArcGIS 3D Analyst)
I would suggest using the "Stack Profile (3D Analyst)" tool in ArcGIS. With this tool you are able to input line features and output profiles over multiple Profile Targets (Multipatch, Raster, TIN or ...
- 148
Only top scored, non community-wiki answers of a minimum length are eligible