Questions tagged [profile]
A representation of the values attained by a surface along a line (or path).
99
questions
16
votes
4answers
10k views
Calculating elevation profile along line from a DEM?
Given a DEM (Digital Elevation Model) and a line (x1,y1) --> (x2,y2) (paired coordinates (x,y)), how can one calculate the elevation profile or cross-section projected on that line?
I am looking for ...
15
votes
4answers
5k views
Elevation profile 10 km each side of a line
How can I get an elevation profile for a band of terrain?
The highest elevation within 10 km (on each side of the defined line) should be taken into account.
I hope my question is clear.
Thank you ...
11
votes
2answers
45k views
Calculating elevation profile for a polyline in ArcGIS 10?
My elevation data is a floating point tif. I have a road for which I need to calculate the elevation profile, but I can't see the tools to do this.
Can I do this with ArcGIS, with spatial analyst/3D ...
7
votes
1answer
5k views
Generating series of cross sections (profiles) along line using QGIS?
I have a set of points (xyz) along an axis.
Is there any way in QGIS to generate cross profiles along this axis each 10 meters with, for example, +-15 meters right and left from the axis?
6
votes
1answer
7k views
Displaying elevation profile and storing DEM elevation back to KML line using QGIS?
When I draw a track in Google Earth, for example along a road, I can right-click it to "Show elevation profile", and it displays a 2D plot of distance vs elevation. However, if I save the KML, the ...
6
votes
1answer
107 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 ...
6
votes
1answer
72 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 ...
5
votes
6answers
292 views
Profile Tool has too high resource consumption: Alternative or work around?
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-...
5
votes
1answer
99 views
Convert part of a raster file to .asc file
I'm a bit new at this. I have a DEM map (.tif) of an area in QGIS. I know that I can transform it to a text file (.asc) with raster -> translate.
However, what I need is only a certain cross-...
5
votes
1answer
632 views
How can I get the profile graph on ArcMap to display specific points?
I currently have 2 layers:
1) DEM of existing terrain
2) Polygon in vector format of future water retention basin
I need to draw cross sections across this basin for eventual cut and fill calcs. I ...
4
votes
2answers
302 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/...
4
votes
1answer
681 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 ...
4
votes
1answer
1k views
Command line tools to generate elevation profile from DEM + GPX/GeoJSON
I'm looking to generate elevation profiles from a number of GPX traces (which I also have GeoJSON conversions of). I have 20m resolution DEMs of the area, in GeoTIFF format. Ultimately I want to ...
4
votes
2answers
3k views
QGIS Profile Tool shows no profile
I have installed and followed the process to produce an elevation profile from the Route Profile plug-in in QGIS, but for some reason I am getting no profile to appear.
The grids are from OS ...
4
votes
2answers
2k views
QGIS create a line graph with attributes value on a section through the map
I wonder if I can make cross sections of GIS data (other than height).
An example:
I have a shapefile of a city with building plots and attribute values of the plot size. I want to choose a random ...
3
votes
3answers
4k views
3D soil profile from borehole information
I wonder what would be the best option if I want to build a 3D soil model in GIS from borehole information? Basically I want to generate several 3D soil layer surfaces. Can everything be done using ...
3
votes
2answers
6k views
extract elevation values along a line using Google Elevation API
I note that there is the Google Elevation API.
I see they have an example at the bottom showing an elevation profile for a line. Is there a premade service someone has put up on a website for me to ...
3
votes
2answers
763 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 ...
3
votes
1answer
235 views
Visualizing elevation profile across a whole mosaic dataset?
I'm working with many DEMs derived from LiDAR data (IMG format) in a mosaic dataset. This allows me to create hillshade (or shaded relief) functions to display the data, which is great.
However it ...
3
votes
1answer
1k views
Utility Profiles — ArcGIS
I am currently working to convert our cities storm and sanitary sewers from 2D to 3D. Currently, we create profile views in CAD which means a lot of manual work anytime anything changes. We have a ...
3
votes
1answer
90 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 ...
3
votes
1answer
430 views
Raster DEM interpolation within overlapping vector polygon of water surfaces?
I am analyzing orthoimage and LiDAR dataset to find out flood areas. I extracted water areas as vector polygon from orthoimage using multiresolution segmentation in eCognition, and generated DTM (1.5 ...
3
votes
1answer
460 views
Elevation profile using linear shape in ArcGIS Desktop?
I'm working with ArcMap 10.2. So, it's not a duplicate of "Displaying elevation profile and storing DEM elevation back to KML line using QGIS?". I have a linear shapefile that has only one element (a ...
3
votes
2answers
111 views
Making simple line more complex using QGIS? [closed]
I am trying to make my own version of code to generate elevation profile for a line drawn over a DEM and I got stuck very early on.
As a simple use case: I have a line that consists of just two ...
3
votes
1answer
4k views
Create profile graph over multiple rasters (ArcGIS 3D Analyst)
When having a raster which represents an array of values, for instance, elevation, I can generate a profile graph over a line I draw using the 3D Analyst toolbar.
A sample graph:
When generating a ...
3
votes
1answer
764 views
Orthogonal Height Profile along line (sextante -> v.segment, r.profile?)
While trying to find a way to find "valleys/ridges" within a DEM, I'd
like to know if there are tools, plugins or "methods" known or
available to automatically generate height profiles along a given
...
3
votes
1answer
343 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 ...
3
votes
1answer
602 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 ...
3
votes
0answers
119 views
Displaying polyline shape with height in its profile?
Is there a way in QGIS itself or over a plugin to display a polyline shape with heights in its table from a sideview, as in a profile?
I'm talking about QGIS in the version 2.14 and I have simple ...
2
votes
2answers
611 views
Why is arcpy.StackProfile_3d -> arcpy.SaveGraph_management creating empty graph?
In a python script I'm trying to save a graph to a .png file with graph output from arcpy.StackProfile_3d but the .png file shows an empty graph. The table created from arcpy.StackProfile_3d shows ...
2
votes
1answer
406 views
Is there any difference between a stream's Longitudinal Profile and its Elevation Profile?
I have derived elevation profile of a river channel using USGS SRTM 1 ArcSec. I am interested to know whether Elevation Profile and Longitudinal Profile are synonymous?
2
votes
1answer
101 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 ...
2
votes
1answer
438 views
Recording height profile from raster along a polyline shapefile?
I'm looking for the easiest way to record a series of raster values along a 400 meter transect in ArcGIS 10.3.1. I'm working with a LiDAR canopy height model with 3mx3m cells where each cell ...
2
votes
1answer
195 views
Right min/max values in single band color of an asc file and resulted profile
I'm using some asc files that covered the surface of an island; every file, when it's been imported, has a different min/max values in the single band color, which is the right? How can I understand ...
2
votes
1answer
1k views
Levelplot(RasterVis) two marginal plot scale?
How can I add/display scale to two marginal plot?
RAD1998.all <- stack(list.ras)
list.files <- mixedsort(list.files(paste(getwd(), "/1998bil/", sep = ""), full.names = F, pattern = ".asc.bil"))...
2
votes
1answer
197 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
1answer
644 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: ...
2
votes
1answer
594 views
Baffling Elevation Profile out of Profile Tool Plugin
When using the Profile Tool plugin I get a graph that looks like the 2nd derivative of what I want. That is, it looks like the rate of change of the slope of the elevation profile. I just want the ...
2
votes
1answer
1k views
Tomcat Server & Geoserver working under one profile but another
I am a really beginner with tomcat and geoserver and this is my first attempt at these programs.
I am having a problem getting geoserver to run under a different profile on my local machine. I am ...
2
votes
1answer
105 views
Profile plot trouble in GRASS GIS
I'm new to GRASS and GIS environments in general, and I recently faced a problem when trying to get the profile plot from a DTM. When I draw the transect, instead of the plot, I get the following ...
2
votes
1answer
2k views
Cross sections of two surfaces in Civil 3D
In Civil 3D I have calculated the volume between two surfaces. I would like to have corresponding cross sections of the first and second surface for all the study area.
"Create superimposed profile" ...
2
votes
1answer
58 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 ...
2
votes
0answers
286 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:
...
2
votes
0answers
468 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 ...
2
votes
0answers
630 views
Profiletool export error “global name 'os' is not defined”
I am using QGIS 2.18.5 and the Profiletool 4.0.2. plugin
I tried to save my profile to an .png file and this resulted with an error:
Traceback (most recent call last):
File "C:/Users/b/.qgis2/python/...
2
votes
0answers
340 views
From track+waypoints to elevation profile with waypoints
I have a track and waypoints (1) imported in QGIS. I want to calculate the closest point from every waypoint to the track (2). Then, I want a table with data that allows me to draw an elevation ...
2
votes
0answers
2k views
Along a line create profile/cross-section lines then extract elevation points from them
I know that maybe this question has got an answer, but I need to extract elevation data from a line of a defined length (p.e. 300 meters). Also I want the software (QGIS or ArcGIS) to draw this lines ...
2
votes
0answers
786 views
How to develop an elevation profile tool with high precision? [closed]
Similar to the Google Earth elevation profile tool, also similar to this:
http://www.geocontext.org/publ/2010/04/profiler/en/?send_comment=success#comments
I want to be able to use my own set of ...
2
votes
0answers
89 views
Arcpy: Counting number of segments where altitude rises or decreases based on DEM?
I have a DEM of Sudety mountains and linear .shp with several hiking paths.
I'm trying solve one problem: How to make a script based on input DEM and input line shapes that would count number of ...
1
vote
1answer
330 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 ...
