Questions tagged [profile]

A representation of the values attained by a surface along a line (or path).

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14 views

Plotting cross-section from ocean bathymetry data (GEBCO) using GeoPandas [closed]

I am sure there must be a straightforward way to be able to plot the elevations along a certain line without manually extracting the values along it using loops etc. I never worked with geopandas ...
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1answer
78 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 ...
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42 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 ...
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29 views

QGIS Print Composer Multiple Atlas for different Map views

Is it possible to have two different coverage layers in the QGIS 3.18 Print composer Atlas settings, that differing map windows follow? I am creating a multi-panel chart and would like 3 of my 4 ...
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2answers
36 views

Creating a spectral profile in ArcGIS Pro to analyse Landsat 8 image results in software crashing

When trying to create a spectral profile chart in ArcGIS Pro on a Landsat 8 image, the software crashes and I have to start it again. Machine specification meets all system requirements for ArcGIS Pro....
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30 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 ...
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31 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 ...
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22 views

Swath profile plugin

im trying to install the toolbox Swath profile, but the program send me an error "NameError: name 'Line_shapefile' is not defined". How can i install it?
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1answer
46 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 ...
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37 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 ...
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23 views

SVG created by QGIS Profile tool won't scale to include the vertical units!

I exported an svg image from the QGIS Profile tool but when I go to use it in a Picture on a map layout it will not scale to show both the X and Y units. It's like they are not considered as part of ...
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1answer
77 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. ...
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3answers
84 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 ...
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137 views

Making profile graph in ArcGIS Pro with 2 Rasters

I am trying to compare 2 bathymetric elevation rasters collected using different methods. I am using ArcGIS Pro 2.5.2 and I have 3D and spatial analyst extensions. All data is in WGS 1984. I have ...
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9 views

Profile Tool plots multiple times

I have a problem with the Profile Tool plug In. I have a layer which contains the X,Y and elevation of a cross section. I add new points at both extremities, entering only the elevation value. When I ...
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1answer
190 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 ...
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2answers
621 views

Elevation Profile with labels on waypoints (QGIS, Python)

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/...
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1answer
31 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 ...
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0answers
39 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 ...
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2answers
77 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
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1answer
141 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 ...
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0answers
27 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 ...
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1answer
124 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 ...
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2answers
62 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 ...
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6answers
398 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-...
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1answer
116 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 ...
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1answer
536 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 ...
2
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1answer
317 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 ...
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0answers
99 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 ...
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2answers
1k 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 ...
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1answer
216 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/...
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1answer
61 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 ...
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0answers
29 views

How do I compare multiple years worth of geomorph changes in a river while drawing one profile line?

I have many years worth of DEMs of a river I'm studying. I'm very, very new to ArcGIS (think one intro class), and learned how to use the 3D analyst tool. What I'd like to be able to do, is to draw ...
4
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1answer
929 views

Visualizing vertical profiles from LiDAR point clouds in R?

I would like to visualize the vertical profiles of different LiDAR point clouds in different forest types. I have extracted the z-values from the LiDAR files with lidR and put them in a dataframe with ...
2
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0answers
398 views

Complex 3D/elevation profiles in ArcMap 10.6

I'm looking to create a more informative 3D Profile than appears possible with vanilla Arc tools. Honestly I'm kinda surprised that this doesn't exist, maybe I'm searching the wrong terms. Situation: ...
3
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1answer
447 views

Show elevation profile from linestring's z values

I have linestring geometries with z values and I want to display them in a nice elevation profile (with x/z scaling functions, several profiles to overlay, and so on). Is there any QGIS function or ...
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1answer
411 views

Displaying Distance in Miles for Elevation Profile using Profile Tool in QGIS

I am attempting to generate an elevation profile in QGIS 3.2.2, with elevation in feet, and distance in miles, using Profile Tool. I have managed to convert my DEM files to feet, and the elevation of ...
3
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1answer
741 views

Project a point onto a profile tool graph in QGIS

I'm using the Profile Tool add-on in QGIS to extract a profile of a raster data layer. Along this profile there are a series of points which I'd like to project onto the Profile Tool graph so that I ...
2
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3answers
5k views

QGIS Profile Tool - Terrain Profile

I'm trying to get a Height Profile for a certain route using the profile tool (terrain profile). Does anyone know how i can get the slope in percent and in degrees in the table of the profile tool so ...
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1answer
735 views

Creating longitudinal profile for pipeline using QGIS?

I have a sewer system in QGIS and i wish to know if is possible to create a longitudinal profile between two manholes, showing the terrain and the pipeline. In each point (manholes) I have in ...
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1answer
4k views

Creating Elevation Profile from Line Shapefile of Contours using QGIS?

I have a line shapefile that contains contour lines. The attribute table of the shapefile has a field that gives the elevation of each line. I would like to draw a line across the contours and get an ...
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0answers
81 views

Adding points in existing profile graph with labels of its heights using ArcPy? [closed]

I have created profiles at multiple locations with lines. Now I want to add points to that graph, how do I do that? Here is the script: import arcpy import os import matplotlib.pyplot as plt ...
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1answer
923 views

Profile/Transect tool in QGIS like Arc's interpolate transect tool?

I am quite new to GIS. I am trying to determine the values along a transect of a raster in QGIS. I can perform this task in ArcMap using the profile tool however I've tried several methods in QGIS (...
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1answer
217 views

Getting elevation profile graphs along parallel interpolate lines using ArcGIS 3D Analyst? [closed]

I'm new to ArcGIS. I have used "Interpolate Line" tool in the 3D Analyst Toolbox to get an elevation profile graph. How can I create several parallel interpolate lines, maybe with specific distance ...
2
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3answers
1k views

QGIS 3.0 Girona using profile tool, get python error

I have a raster layer (LIDAR data) selected. On releasing the mouse button, and before any rubber band starts, I get this error: Message log: 2018-03-09T16:19:08 WARNING Traceback (most recent call ...
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1answer
726 views

How to fix a broken plugin (it cannot import name NavigationToolbar2QTAgg)

I want to use the the pluging ProfileFromPoints but I am getting an error saying cannot import name NavigationToolbar2QTAgg. The solution seems to link with an old library name as mentioned here: ...
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0answers
124 views

Which geographic coordinate system should I use to work in meters in Angola?

I am using WGS84 in Qgis 2.18, but when I try to use some Qgis Plugins (like Profile Tool and Q-Ras) they don´t work. Is it a coordinate problem? Or something else? Profile Tool: It makes the ...
2
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0answers
551 views

Qgis Profile Tool plugin with wrong units

I am using qgis 2.18. I installed the plugin Profile Tool and i am trying to do a terrain profile from a DEM. I am working in projection WGS 84. The profile i made with that plugin doesn't have the ...
0
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1answer
379 views

Automating calculation of cumulative elevation for multiple line segments (not the profile graph)

I'm using ArcGIS and am trying to figure out how to calculate the cumulative elevation gain (in feet or meters) for over 1,000 line segments representing separate, often unconnected trails. I have a ...
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1answer
119 views

Creating a TIN from beach profiling data

I'm a university student and have some experience with GIS but not loads. For my dissertation I am measuring beach profiles, using a dumpy level surveying technique, of some nesting habitats for the ...