Geographic Information Systems

Questions tagged [cross-section]

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

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27 views

Different scale for x and y in a QGIS map layout

I'm making some geological cross sections with the geoscience plugin. I have been able to do this and I can make a print layout where I have my cross section (which the plugin makes in x-y space where ...
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33 views

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 ...
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14 views

Lines to Polygons in ArcScene

I am an archaeologist, and I am trying to add a geologic cross-section to my ArcScene map, but I have so far been unable to do so. I have created two (basic) cross-sections using points and lines (see ...
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50 views

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 ...
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0answers
26 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
101 views

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 ...
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1answer
84 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, ...
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0answers
59 views

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 ...
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0answers
76 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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0answers
119 views

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 ...
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1answer
412 views

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?
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1answer
372 views

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 ...
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2answers
782 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 ...
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1answer
88 views

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 ...
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0answers
736 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 ...
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2answers
2k 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 ...
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229 views

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 ...
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1k views

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 ...
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333 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 ...
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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-...
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2answers
2k 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 ...
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1answer
314 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 ...
2
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1answer
795 views

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 ...
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1answer
154 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 ...
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1answer
122 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 ...
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3answers
10k 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 ...
2
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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 ...
3
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1answer
169 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 ...
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2answers
353 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/...
2
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1answer
2k 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 ...
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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 ...
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0answers
1k views

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 ...
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5answers
7k 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?
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1answer
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....
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2answers
172 views

Varying distance cross section along the river

I have used the script to draw the profile with this gis.stackexchange.com/a/50841/8104. This script is perfect. Can someone provide me idea, if in my case spacing is not same. I have points with ...
4
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2answers
4k 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 ...
2
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1answer
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 ...
6
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1answer
13k 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 ...
3
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1answer
4k 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 ...
6
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2answers
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 ...
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2answers
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 ...
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2answers
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?
6
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5answers
2k views

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 ...
9
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3answers
2k views

What software to use as an all-around solution for mining GIS? [closed]

My employer wants me to look into constructing geology maps, modeling 3D subsurface geological formations, producing geological cross sections and other mining related products from various drill hole ...
10
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4answers
37k views

Creating profile cross-sections in ArcGIS Desktop?

Because the default 'Profile Graph' tool was not sufficient, I wrote a custom VBA script that creates scaled and exaggerated profile cross-sections in ArcGIS but I need more features: Visualize more ...