Questions tagged [profile]

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

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6
votes
1answer
87 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 ...
4
votes
2answers
168 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/...
1
vote
1answer
27 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 ...
0
votes
0answers
13 views

Creating line profile graph in ArcGIS Desktop 10.6 with 3D Analyst for multiple line features

I'm looking to create profile graphs for approximately 150 streams in a 3D feature class. I made a sample profile graph but I'm not sure how to automate the process to run through the remaining lines.
1
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0answers
34 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
2answers
37 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 ...
3
votes
1answer
78 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
0answers
24 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 ...
0
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0answers
10 views

Extract elevation profile from API which contains shapefiles with z value in ArcGIS Online

When I am following this link "ElevationProfile widget - user-specified input geometry", I am able to extract elevation profile with locally stored shapefile but I want to do it with API.
2
votes
1answer
82 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
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2answers
44 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 ...
4
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6answers
264 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
0answers
53 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 ...
1
vote
1answer
269 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
votes
1answer
171 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 ...
1
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0answers
69 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
2answers
470 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
1answer
145 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
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 ...
1
vote
0answers
26 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 ...
3
votes
1answer
630 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
votes
0answers
240 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
votes
1answer
313 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 ...
1
vote
1answer
284 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
votes
1answer
538 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 ...
1
vote
2answers
3k 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 ...
1
vote
1answer
544 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 ...
0
votes
1answer
3k 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 ...
1
vote
0answers
79 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 ...
1
vote
1answer
654 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 (...
0
votes
1answer
164 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 ...
1
vote
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 ...
2
votes
1answer
609 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: ...
1
vote
0answers
92 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
votes
0answers
432 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
votes
1answer
247 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 ...
-1
votes
1answer
98 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 ...
1
vote
0answers
47 views

Creating stacked pipeline profiles using water utility network tools?

I downloaded the water utility network editing tool to create profiles of our sewer and storm systems including manholes with elevations. The profiling tool is pretty easy to use as you just click ...
3
votes
0answers
116 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
0answers
625 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/...
1
vote
0answers
261 views

ArcGIS create profile graph from existing point feature

I have a dataset of X,Y points (with a spacing of 20m between the points) that represents a flowline along a glacier. Next to dat, I got another point dataset of the glacier height with X,Y points and ...
7
votes
1answer
4k 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?
3
votes
1answer
418 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 ...
1
vote
0answers
417 views

How to make a .pgw file for a .png depicting a 2D profile

My question is more of an inquiry about whether I am trying to do is possible. I would like to reference an image depicting a 2D Georadar profile. I know that world files are usually used for ...
3
votes
1answer
423 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 ...
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-...
1
vote
0answers
90 views

How do you find the longitudinal and cross sectional profiles of polygons?

I am currently carrying out a research project involving submarine canyons. The canyons are mapped as polygons and I need to find the longitudinal and cross sectional profiles of the canyons. Each ...
2
votes
1answer
386 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
585 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 ...
1
vote
0answers
318 views

Calculate elevation profile for a line from dem data [closed]

We are trying to implement a service which takes a line geometry as its input and calculates elevation profile along that line from dem data (img format). How could we achieve this using postgis or ...