Questions tagged [profile]
A representation of the values attained by a surface along a line (or path).
129
questions
0
votes
0
answers
43
views
Elevation Profile with labels on waypoints using QGIS, Map Atlas, Python, Highcharts and HTML
I am seeking assistance with @Christoph's very clever answer / suggested solution to Elevation Profile with labels on waypoints using PyQGIS on how to show labels in a QGIS Highcharts elevation ...
1
vote
0
answers
33
views
QGIS Profile Tool - Batch export of multiple profiles
I have a DEM and a vector shapefile of multiple lines and I need to obtain multiple DXF export of each profile based on the position of the lines.
There is a way to obtain multiple exports (many DXF) ...
2
votes
0
answers
63
views
Create a profile of categorical data along a line in QGIS
For a landscape analysis study, I want to extract some categorical data along a line (purple in the image) on the selected area. Before I continue to create an entire plugin to create a categorical &...
1
vote
0
answers
41
views
QGIS Profile Tool - creates inaccurate profile
The profile created by the plugin is inaccurate (the vector is traced over a river and therefore the line should never move upwards in elevation).
When I hover my cursor over the produced profile, the ...
0
votes
0
answers
57
views
How to return to starting point in a height profile - QGIS 3.32.0-Lima
I have two layers:
waypoints and
DEM
Currently, I have a graph that shows height from one point to another. However, I wish to return to my starting point at the end.
I have already tried to just ...
2
votes
1
answer
73
views
Switch begin and endpoint in profile graph - ArcGIS Pro
I created a profile graph in ArcGIS Pro. The TIF file that I use to create the profile, via the function "Interpolate Shape", contains the elevation in Europe.
The line that I created starts ...
2
votes
0
answers
125
views
Creating geological profile in QGIS
How can I create a profile like in the example in QGIS, that contains the geological layers?
I installed the plugins Profile tool and qprof, and I already got the profile, but without the layers.
-1
votes
1
answer
56
views
Changing Font Size of QGIS Profile Tool Plugin
I have used this plugin often in the past but always wished to enlarge the font size on the graph scale, and make it darker.
Does anyone know how to tweak the code to do this or suggest another way in ...
0
votes
0
answers
37
views
ArcGIS Pro Graph - Advanced Properties Availability
ArcMap has the graph option of Right Clicking on a profile, selecting Advanced Properties, choosing the data tab, and copying all station / elevation data.
Is this available in ArcGIS Pro?
Stack ...
3
votes
1
answer
187
views
Extracting elevation profile from CSV containing XYZ data
I am new to GIS software.
I have XYZ data in a text file (delimited text). The data is XY in 1m spacing, approx. 12km x 900m of data.
I want to find the elevation profile from a XY path.
In QGIS, i ...
0
votes
0
answers
149
views
Add line or point on a google earth elevation profile
I have a path in Google Earth and know how to show the elevation profile. I can add placemarks to highlight specific points on the x-y plane map. I would like to show those points on the elevation ...
1
vote
0
answers
490
views
Displaying elevation profile of vector layer using QGIS
I am using QGIS 3.28.
I am trying to generate an elevation profile from a vector layer. I typically use the "Profile Tool" plugin to accomplish this task, but I recently learned that QGIS ...
0
votes
0
answers
88
views
QGIS Profile Tool displaying inconsistent horizontal axis values
I am analyzing stream channel gradients on Mars. The workflow is essentially to grab a Mars DEM from the HiRISE website, reproject it into ASU's preferred Mars 2000 CRS, use the SAGA Basic Terrain ...
1
vote
1
answer
62
views
QGIS Scale print of ground surface profile
I am trying to print a scale version of a ground profile generated using either Profile or QProf.
Neither of these tools seems to allow me to print to scale so that I can measure with a ruler both ...
4
votes
1
answer
346
views
Delete temporary canvas object in QGIS, e.g. lines drawn by the Profile Tool
I'm using the Profile Tool plugin (https://plugins.qgis.org/plugins/profiletool/) over a valid GeoTIFF raster DEM in QGIS 3.26.2-Buenos Aires on Ubuntu 22.04.1.
When you draw a line using the "...
0
votes
1
answer
111
views
Scale y axis on elevation profile chart
I am generating elevation profile graphs from hiking trails (GeoJSON). Use as maximum and minimum values of the Y axis the value of the maximum altitude and the minimum altitude of the route. The ...
0
votes
0
answers
740
views
Crash when running algorithm via PyQGIS plugin
I use a Python plugin which is working great on my computer. But on another one, I get an error at the execution of an algorithm from processing package in PyQGIS:
## Report Details
**Python Stack ...
2
votes
2
answers
304
views
QGIS open project with specific user profile
I have different user profiles in QGIS, each for different tasks. For example one profile only for digitization. In this profile, only the functions that the user needs for digitization are enabled, ...
0
votes
1
answer
373
views
Fix the scale of Y-axis and X-axis in profile tool plugin in QGIS
As I change the size of the profile-tool window in QGIS, I get graphs of different sizes when I export them. Hence, it is not giving me repeatability since it is not convenient to compare graphs with ...
1
vote
1
answer
197
views
Draw topographic profile along transects perpendicular a river
I have a DEM; river (shapefile) ;and a shapfile of containing all the transect of length 5km drawn perpendicular to the river at an interval of 300m each. I am using QGIS 3.8.2.
I want to draw ...
1
vote
0
answers
66
views
How to show the profile of a ZPolyLine with QGIS 3.26 profile tool
I am trying out the new QGIS 3.26 profile tool. (actually a Linux build of today's master: 2f3d6b, so 3.27)
I imported a SRTM DEM.
I can create a ZPolyLine and use it to plot the Terrain Elevation of ...
2
votes
0
answers
135
views
Creating longitudinal profile of stream out of river system in QGIS
I have been using 'profile tool plug-in' in QGIS 3.20.1 to visualise longitudinal profile of the river in QGIS. Selection options, i.e. temporary polyline; and selected layer, are working well. ...
2
votes
1
answer
210
views
QGIS "Profile Tool" Plugin inaccurate reading
I'm getting an inaccurate reading from QGIS "Profile Toll" plugin as you can see in the image below.
Not only is showing incorrectly which of these two peaks is the highest, but also the ...
0
votes
1
answer
397
views
Spectral profile mapping for Sentinel
I want to plot spectral profile for Sentinel image.
For this, I write such a code:
var Sentinelbands =['B2','B3','B4','B5','B6','B7','B8','B8A','B11','B12'];
var Sentinel=ee.ImageCollection("...
1
vote
0
answers
107
views
How to download many elevation files to make a profile along a sizeable path in QGIS?
I'm trying to put together long profiles for rivers, which necessitates getting elevation profiles along polylines that span large distances.
I wasn't sure how to acquire the elevation data. I don't ...
5
votes
1
answer
309
views
Creating longitudinal section from points using QGIS
In the real world:
I have a underground pipeline which has just been laid.
A surveyor has come along and taken shots to the top-of-pipe at each join along that whole pipeline.
In GIS:
I have brought ...
0
votes
0
answers
85
views
Comparing polylineZ elevation to DEM at various points along the line, not just the vertices
I have a polylineZ feature that represents sewer lines. I am looking for areas where points along the line may be above ground elevation, representing aerial lines. The problem is that I need to ...
0
votes
0
answers
178
views
How can I draw a vegetation profile on ArcMap or QGIS?
I have two layers: elevation (raster) and vegetation map (polygons). I would like to generate an elevation profile with a line that besides having the elevation form, appears the length of the ...
1
vote
0
answers
87
views
How to extract topographical data from a profile drawing
I have what seems to be an uncommon problem: I have dozens of raster files containing profile drawings (x,z or y,z) and a raster map that shows their (x,y) extents. I want to be able to extract the ...
-1
votes
1
answer
95
views
Seeking tool to generate topographic profile from points
I'm trying to generate a topographic profile, but not the typical terrain profile. To do this, I generate a grid of points uniformly distributed on a surface of a DEM. From these points (from which I ...
0
votes
0
answers
50
views
My points are coincident in ArcMap unprojected, but jump off the line when projected as well as viewed in Google Earth, is this a projection issue?
Let me give you a run down of my workflow to better understand the problem. Essentially what I am doing is creating an elevation profile of a line in QGIS, taking the points out to do some spreadsheet ...
2
votes
1
answer
182
views
Building exaggerated elevation profiles from VRT DEM in QGIS
I have this little challenge, where I need to build an elevation profile from a VRT DEM mosaic of +5000 TIF files. All Z-values should be exaggerated by factor 10 as it's common in road construction.
...
-1
votes
3
answers
110
views
Elevation profile of earth [closed]
Where can I find elevation data for the entire earth so that for a given location (coordinate) on the earth, I can find out the elevation of that particular location?
In particular, I am curious, what ...
10
votes
2
answers
758
views
Launching QGIS with specific user profile
By default, when you launch QGIS, it shows the most recent user profile you worked with. It's not convenient because I have settings in various languages and locales and have to switch frequently ...
7
votes
2
answers
2k
views
Elevation Profile with labels on waypoints using PyQGIS [closed]
I would like to plot many elevation profiles with labels on specific waypoints (Points of Interest).
In the end it should look like this:
Or like here:
https://www.birdandhike.com/Hike/Mt_Char/...
1
vote
1
answer
68
views
Using multipolygon shape layers in profile tool
I am working with QGIS for some time. The profile tool is indeed very useful to visualize the 3D problems. My problem now is associated with this tool.
I have a multi polygon shape layer which I ...
1
vote
0
answers
50
views
Median stack profile in QGIS
I am trying to create a median or average stack profile on a DEM in QGIS but I can't find any tool or plugin for it. This feature is implemented in GMT 1).
Can anybody give me a hint of how it can be ...
0
votes
2
answers
335
views
Elevation profile that can follow the change in view of Atlas page in QGIS
I think I have read every thread on QGIS profiles in the stack and I cannot find a way to create a profile that can be produced in context on each page of an atlas print. I can create an image for ...
4
votes
1
answer
304
views
Creating Stacked Line Profiles in QGIS
I'm wondering if it is possible to create stacked line profiles, to display either geophysical data collected along a line, or geochemical data also along a line?
Datamine Discover has a feature that ...
1
vote
0
answers
49
views
Generate multiple profile charts from multiple lines on multiple DEM [closed]
I'm trying to figure out how to generate automatically (need to be repeated 2k times) a profile cut of 2 DEMs, every 10 meters, with distance from start as a title and customizable colors/scales as an ...
2
votes
1
answer
286
views
DEM interpolation, QGIS 3.10
A friend of mine gave me DEM resolutions of cells 5x5m, but there is something wrong with interpolation. When I try to make a cross-section of the terrain I get a pretty inaccurate cross-section, with ...
0
votes
2
answers
115
views
Creating arbitrary profile?
I am trying to create a transect profile and extract information for each specific bands of Landsat which will be further used to create a transect graph. Is there any direct way of achieving this ...
5
votes
6
answers
629
views
Improving resource consumption of Profile Tool Plugin of QGIS
I'm trying to generate a profile along a track (bike trail) using the Profile Tool Plugin from QGIS, but it consumes more than 14GB's of RAM so it can't finish it's work.
DEM: 200m GeoTIFF
Profile-...
6
votes
1
answer
257
views
Difference between merge and create virtual raster
I have the DEM of a defined region that has been split into sub-DEM with a resolution of 1 km x 1 km. When I merge the sub-DEM to create a single DEM (Raster -> Miscellaneous -> Merge), the overall ...
2
votes
1
answer
1k
views
Cutting/ exporting multiple terrain profiles to CSV files with QGIS?
I am trying to cut multiple terrain profiles and export them to CSVs (individual or combined).
I have a shapefile of the profile lines, and a DEM to cut the profiles from.
I can do this manually ...
3
votes
1
answer
833
views
Elevation Profiles Using QGIS vs. Google Earth
I have several routes I am calculating elevation stats for. What I want is Total Ascent/Cumulative Gain, where all ascents and descents are accounted for. As opposed to solely the difference between ...
2
votes
0
answers
208
views
Cross section profile distance not providing accurate distances?
I have created a DEM file, which I am using to draw a cross section along a line to see the variation of height from point A to point B along land seen below.
When it use the Profile tool on the ...
3
votes
2
answers
3k
views
Creating DEM Contour files from shapefile line data in QGIS
There are many question occurring on this forum regarding this issue, however the issue I am facing has not been answered in Generating DEM from contour Shapefile using QGIS?, which is that I have ...
0
votes
1
answer
295
views
FileError: 'http://localhost:8080/geonetwork/catalog/lib/style/bootstrap-3.0.1/variables.less' wasn't found (404)
After installing the geonetwork version 3.2.1 and the plugin of the iso19115-3 everything work fine. But when plugin the lampv2 profile, this error message shows:
## FileError: 'http://localhost:8080/...
2
votes
1
answer
99
views
Interpolate Line Tool giving different results?
I have been using 'Interpolate Line' Tool in the 3D Analyst tool pack to create a profile graph so I can analyze interpolated results gathered from an IDW created surface. However, when I use the tool ...