Questions tagged [cross-section]

A section formed by a plane cutting through an object, usually at right angles to an axis.

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Cross section automation & overlay

I'm trying to automate and visualise the frequency and different type of road corridors along an existing route. The route spans multiple kms and I'm trying to show the predominant types of corridor ...
Joseph Monk's user avatar
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1 answer
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Cross-sections to raster

I was able to create a contour raster based on my 2-foot contours. Pretty neat how ArcGIS Pro does that. However, I am trying to create the same thing using floodplain cross-sections I obtained from ...
Julio Garrido's user avatar
2 votes
1 answer
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Problem with creating elevation cross sections using R and terra

The terra::extract function samples raster data from the top to the bottom and from left to right. This creates an issue if you're using a line to sample a raster with plan of plotting the data as a ...
Adam C's user avatar
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Table creation for cross section line using QGIS

When I export a 2D .dxf line with the profile tool in QGIS 3.28.5, it also creates some empty layers in the dxf. Dimensions, table background, table content, table grid and viewports. Is there a way ...
Pitheas's user avatar
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Filtering elevation changes in time on a point layer in QGIS

I have a point layer extracted from a GPX file that contains a series of points representing elevation and time, as on the following image: This huge amount of points means that, in many cases, the ...
Trikelians's user avatar
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How to extract contour lines from bathymetry profiles (mainly cross sections)

I need to extract contour lines from surveyed bathymetry profiles. The profiles are .csv files with multiple points and X, Y and Z coordinates. There are cross sections and a single longitudinal ...
tukanium's user avatar
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Create cross section from 3D Polyline in QGIS

I have a 3d poly line and I want to create a cross section profile using this 3d lines. What I want to achieve: I) Create vertices in the 'cross section line' where it intersects with the 3d poly line ...
maiyourathaan's user avatar
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Digital elevation model versus hillshade for creation of cross-section In ArcMap

I am using ArcMap 10.8. What makes for a better cross-section a Digital elevation model or a hillshade? I am using the cross-section to identify and analyze faults and fractures.so far I have tried ...
Programmer888's user avatar
-2 votes
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Extracting specified elevation value from mid point of valley along cross section based on DEM using ArcMap

I am using ArcMap. I need to extract the intersection point of the cross section line (blue line) where it intersect with the height variation value of 5m in both sides of the section from the mid ...
S.JP's user avatar
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Shifting HEC RAS cross sections to the side

I was wondering if there is a way to shift a cross section in HEC RAS to the side? Since my data is not the best, a lot of xs are shifted somehow (see screenshot). The only way fixing it I found so ...
Anna's user avatar
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Calculate cross-section area in QGIS

Is there a way to calculate the area of a cross section (blue zone on the graph below)in QGIS without creating new layers ? Like a more complex version of the profile tool which would calculate this ...
TerritoireS's user avatar
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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 ...
Laurent's user avatar
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1 answer
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Extract cross-sections from a DEM

I have the centerline of a river and multiple lines perpendicular to it on Qgis. I would like to extract the cross-sections in correspondence to those lines, how could I do? I tried qprof but the .csv ...
Elena's user avatar
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1 answer
525 views

Multiple perpendicular cross sections [closed]

I am working with QGIS and I have a DTM of a river. I need to extract multiple cross sections (one every 10m), and they must be perpendicular to the river center line. Can you tell me how to do that, ...
Elena's user avatar
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Create cross sections equally spaced in a poly line imported from QGIS to MATLAB?

I had to create an Excel sheet with each profile cross-section which gave me the coordinates and elevations from a poly line of 2300 m length, referenced from 5 different DGM, which composed the study ...
Pedro Oliveira's user avatar
2 votes
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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 ...
Louis Tate's user avatar
3 votes
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Displaying raster images vertically in QGIS 3.x (Geological cross section)

I'm aware this has been asked before to an extent, but the answer here doesn't really cover raster images. I want to 'hang' a raster image in 3D alongside a surface. The raster is a geological cross ...
8556732's user avatar
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Create Cross Section in Google Earth Engine [closed]

I need to create a cross section and chart from it in Google Earth Engine. Here is an example that has been done using QGIS. Please find the image below - How can I do that?
Towhid's user avatar
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Shifting entire river channel in HEC-RAS?

This question is specific to the HEC-RAS software. I'm trying to use the software to shift a river channel. I've used the Geometric Data Editor for the Cross Sections to edit the positions of the ...
El-'s user avatar
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2 votes
2 answers
2k views

Can you create a borehole log with QGIS

I have UTM coordinates and multiple depths of soil horizons. I would like to create a bore hole log (depth vs distance) that i can edit over with. I only have a .doc file with the coordinates and ...
QGIS Rookie's user avatar
1 vote
1 answer
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Renumbering a lot of cross sections - Access and changing polyline IDs

I have a poly line shape which represents cross sections along a river. Thses cross sections are numbered and it appears in the map. The numbering happens from downstream to upstream. In a specific ...
Mohamad Reza Salehi Sadaghiani's user avatar
1 vote
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948 views

Create XS cut lines having the coordinates of the cross sections

I am working with HEC-GeoRAS in ArcMap 10.3.1. and I am trying to create the cross section cut lines. I have the coordinates (X,Y) of the cross sections of the river. Is it possible to create ...
Sss's user avatar
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2 answers
4k views

How to create 2D or 3D cross sections from geological borehole data in QGIS

Is it possible to load borehole csv data that contains x, y, z coordinates into QGIS and create cross sections of the strata? It is data along a rail line so a DEM is not suitable. Just a 2D cross ...
LeeGeo's user avatar
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ArcGIS 10.3.1 - Cutting 2D sections from 3D Polygons

I have a bunch of 3D Multipatch features that represent the internal rooms in a large building. I need to be able to cut 2D sections out for any given elevation, ie make a plan view for any given ...
Alpheus's user avatar
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5 votes
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Using GRASS GIS/QGIS to georeference TIFFs in 3D space, vertically?

I am a geophysicist working for a small shallow surface geophysics firm. We create 2D slices of the ground showing data collected from various surveys. These are generally cross sections (TIFFs) of ...
Toby Child's user avatar
1 vote
0 answers
362 views

How to elevate cross-sections in HEC-RAS 5.0.3?

Then creating the cross sections in HEC-RAS it appears that all of the cross sections are in the same elevation. I have tried to change each elevation then creating each cross section, but I get ...
Erik's user avatar
  • 11
5 votes
1 answer
183 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-...
Nef's user avatar
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1 vote
2 answers
3k views

Plotting cross section using python, gdal, tiff?

How to plot a cross section between two pairs of lat/long using a tiff file in python? At first glance, it seems i have to calculate points position between these two desired points and then looking ...
Saeed Soltani Moghadam's user avatar
1 vote
1 answer
404 views

Rotate shapefile in 3d (about x-axis)

I have a polygon shapefile which I'd like to rotate 90 degrees about the x-axis in 3d. The polygon is currently flat (projected in plan view), I'd like to project it vertically. Specifically, this is ...
bkn79's user avatar
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3 votes
1 answer
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Georefencing angled geological cross-section maps in QGIS?

Is it possible to georeference this type of angled cross section, preferably in QGIS (Section-II in the image) ? I am very much new to this type of georeferencing. Googled & couldn't find a ...
joseph_k's user avatar
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1 answer
216 views

How to add label in one direction on cross-sections?

I would like to add cross-section labels in one direction to the mouth of the river. Unfortunately, in some places label turns 180 degrees as pictured. Do you know some automatic way to solve this ...
Adik's user avatar
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1 vote
1 answer
148 views

comparing raster values over one specific transect

I have a raster with water temperature data. I used various kinds of filters over it (smoothing, sharpening filter etc.) in various combination. I want to compare the results, to check which ...
Aleksandra's user avatar
12 votes
3 answers
12k views

3D geological model from cross sections, preferably using Open Source software

I work with engineering geology, and my workflow includes making many cross sections of a given site, with data from maps, fieldwork (outcrops) and boreholes. What I'm looking for is a way of taking ...
Marcos Saito's user avatar
2 votes
0 answers
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 ...
Edixon Gutierrez's user avatar
3 votes
1 answer
213 views

Clipping cross-sections by flood area using ArcGIS for Desktop?

I have a problem with clipping cross-sections by flood area. I have source cross-sections that goes beyond the flood area: When I clipped it by "Clip" tool I have this: But I needs this: It must be ...
Adik's user avatar
  • 45
10 votes
2 answers
526 views

QGIS Cross Section Profile Distance using Ellipsoid?

I am working with QGIS 1.8 and 2.6 and can't get any of the Cross Section Profile tools to provide the ellipsoid ("proper") distances. All the distances use geographic coordinates which are too long/...
mhoel's user avatar
  • 101
2 votes
1 answer
3k views

How to create cross sections from vector point layer in QGIS? [closed]

I have a set of points (X,Y,Z) across a river. Is there a way to present them as a cross section? I'm attaching a cross section I made in Excel: The X axis are the longtitude and the Y axis, the Z ...
H.Wiener's user avatar
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2 votes
0 answers
868 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 ...
JnessB's user avatar
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2 votes
0 answers
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Acess control allow origin header is present on the request resource. Origin null is therefore not allowed acess

I'm trying to use the openlayers vector class. And the error occurred: Acess control allow origin header is present on the request resource. Origin null is therefore not allowed acess I've put ...
csf's user avatar
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5 votes
5 answers
9k views

Is it possible to export cross sections from QGIS to HEC-RAS

Is it possible to create cross sections along a river in QGIS and then export the data to HEC-RAS?
H.Wiener's user avatar
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1 vote
1 answer
4k views

Create cross section with polygon intersects in QGIS [duplicate]

Is it possible to create a cross section that shows the intersected polygons on the relief (in QGIS 2.0.1)? I would like to try this out for a geologic map. I'm using VoGisProfilTool: http://plugins....
tobias47n9e's user avatar
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Varying distance cross section along the river [closed]

I have used the script to draw the profile with this gis.stackexchange.com/a/50841/8104. This script is perfect. Can you provide me with an idea, if in my case spacing is not same? I have points with ...
Ja Geo's user avatar
  • 399
4 votes
2 answers
6k views

How to make Geological Cross Sections in Adobe Illustrator, and any suggestions for GIS software?

I have been tasked with producing a geological cross section in Adobe Illustrator. It is a lengthy process, as I am new to the software. I never learned it in my GIS studies. I know that there is ...
ndthl's user avatar
  • 449
2 votes
1 answer
1k views

Could you suggest software to draw a cross section, companion to QGIS?

If you use GIS systems, what software do you turn to when there is a requirement to draw a cross section? Ideally a workflow that includes QGIS. Typically there are some points which will coexist in ...
Willy's user avatar
  • 3,490
8 votes
1 answer
19k views

Drawing cross section in QGIS?

Does anyone have a simple work-flow for drawing cross sections of earth features in QGIS? My thing is that QGIS is being used to present the plan view, but we have a little interest in some ...
Willy's user avatar
  • 3,490
3 votes
1 answer
5k views

Creating cross-sections in ArcGIS Desktop? [duplicate]

Is there the possibility if I have a polyline (named "Linedivide") which is divided into, let's say, 5 parts to make ArcGIS draw perpendicular lines of special length at the middle of all 5 parts of ...
Hena's user avatar
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6 votes
2 answers
3k views

What tool was used to produce these Cross Sections?

To start with the actual question: What software was used to create these cross sections? (PDF, aprox. 10MB) Background: I have been really struggling to find a good software package that can ...
Jakub Sisak GeoGraphics's user avatar
1 vote
2 answers
1k views

Can I project 3D DXF vertical cross section into a "plan view projection plane" for display in ArcMap?

Below is the lenghty explanation but simply put my question is: How can I project a 3D DXF file (vertical cross section) into a "plan view projection" for use in ArcMap? I am using Target (by ...
Jakub Sisak GeoGraphics's user avatar
2 votes
2 answers
1k views

Converting CAD 2D section into PolylineM(Z) using ArcGIS Desktop?

How do I convert a 2D section drawn in CAD into 3D polyline in ArcGIS. By 3D polyline I mean PolylineM(Z). I have 300 sections. Drafting it manually seems a bit laborious. Any Ideas?
Tomek's user avatar
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6 votes
5 answers
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Does anyone know of a good unaffiliated review of Rockworks?

I've been struggling to find a good software package for drillhole data management, subsurface geology modelling, and visualization (both 2D and 3D): something that can also be used to produce ...
Jakub Sisak GeoGraphics's user avatar