Questions tagged [terrain]
The vertical and horizontal dimension of land surface
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Creating sliced terrain from a TopoShaper generated Sketchup mesh, generated from ArcMap contours
One way to make terrain in Sketchup from contour lines is to use ArcMap to generate height contours, export them to Sketchup as .dwg files, then use the plugin TopoShaper to generate a terrain from ...
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Serving Terrain RGB tiles from XYZ / GeoTIFF files
I am trying to find a way to serve Terrain RGB tiles like these:
https://blog.mapbox.com/global-elevation-data-6689f1d0ba65
from a local server for a very large area. My source files are GeoTIFF files ...
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Choose DEM layer as terrain in 3D view using PyQGIS
I saw that many 3D classes and methods have been exposed to PyQGIS so I was wondering if choosing a raster layer as a terrain was now possible. I'm working on QGIS version 3.36.1.
This is the GUI ...
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LiDAR DTM slope slope analysis with a twist. Calculate elevation changes of at least 10 feet within horizontal distance of 25 feet
I have raster DTM image of LiDAR data, mapped to Washington state plane north (US survey feet), where each pixel represents an elevation value in feet.
Generating a "slope map" which shows ...
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Make a slope-aspect map and create a circular legend for it in QGIS
I'm working on Terrain analysis of my ROI and could compute aspect and slope separately. Although I found a fairly easy tutorial on how to make a slope-aspect raster, I want to know if it's possible ...
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Calculate terrain attributes for a large, tiled DEM
Input: A large DEM as tiled GeoTIFFs (initially 1'665 tiles, each 500 by 500px, later possibly more).
Goal: To calculate some terrain attributes such as the TPI, waterflows.
Approach for smaller areas:...
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Making world map with terrain colours in QGIS
In QGIS I would like to create a world map that has terrain colours (e.g., deserts or vegetation), as in the attached map (Gehring et al. 2022), particularly for the African continent.
How should I ...
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Some iterative way to compute heading and GPS projection at the same time?
I have the following situation:
An off-road machine has a GPS antenna that is not at the center of the rear axle (this point is my path-tracking-control point). Let's say it's 3 meters from the rear ...
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Converting GeoTIFF Elevation Data to 3D ZXY Tiles
I have a GeoTIFF file which includes elevation data. I visualized the TIFF by pyplot:
from osgeo import gdal
import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
#...
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Creating 3D surface / terrain in ArcGIS Pro WITHOUT 3D extensions?
I understand GIS principles, but I am a new user to ArcGIS Pro.
I am currently looking to create a terrain type model / surface in 3D, using a georeferenced .ASC file containing ground heights.
Is ...
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Creating topographic "layer cake" map a.k.a. Tanaka contour in QGIS
I'm wondering if there is any way to create a map similar to the image below. Basically, it would be the contours extruded, add a singleband pseudocolor ramp as the color on top, and be able to ...
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How to perform terrain correction in Google Earth Engine
How can I perform the terrain correction as the shadows from the mountains severely affect the land use classification results. The random forest model picks the shadows as the water bodies.
Here is ...
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Why doesn't a 1-pixel buffer around the edges of Mapbox's Terrain-RGB tiles show up?
I am reading the documentation of Mapbox's Terrain-RGB tiles. It says:
Buffered tiles. Each map tile includes a 1-pixel buffer around the
edges to enable tile interpolation in uses cases like terrain ...
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XYZ points for terrain models in different resolutions from a PostGIS server
I have a grid of points in a PostGIS DB. This grid is in the resolution 1m and its around 100.000 Points large. Getting these points from the db works for me.
For example like this:
SELECT *
FROM ...
- 237
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Units of slope output
I am calculating the slope from the DGM file which is of 1m spatial resolution.
The default CRS is ETRS89 33N 25833 for that particular piece of land in Germany, kustriner vorland.
In what units are ...
