Questions tagged [hillshade]
A hillshade is a grayscale 3D model of the surface, with the sun's relative position taken into account for shading the image.
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Problem with `terra::shade`: Neighborhood size parameter for hill shade algorithm?
The terra::shade hill shade algorithm only uses immediate neighbors to compute hill shading. In contrast, Google Earth Engine's ee.Algorithms.HillShadow has a neighborhood size argument, which can ...
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Choropleth multidirectional hillshading
I am wanting to make a similar map to this but with population data and arsenic pollution. I found this map here: https://twitter.com/kennethfield/status/506656439679451136. Does anyone know how to go ...
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How to colorize QGIS hillshades without including black tones?
Background:
In a recent video, John Nelson showed how to make multi-hued hillshades in ArcGIS Pro. I am trying to re-create his efforts using QGIS 3.22.16.
At 1:55 he changes the hillshade color ...
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Quickly generate multiple hillshades from DEMs in ArcGIS Pro
In ArcGIS Desktop I would usually use ImageAnalyst app where it was easy to quickly generate hillshade from DEMs that are in data frame. But I can't find anything similar in ArcGIS Pro version, except ...
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Importing DEM ArcGIS REST Servers and Hillshade using QGIS
I'm brand new to GIS and just discovered QGIS.
I've been trying to import either DEMs or LIDAR of my area from the following link:
https://basemap.nationalmap.gov/arcgis/rest/services/...
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Hillshade image blend that is not washed out (Earth Engine)
I want to add hillshade to an image visualization in Earth Engine. I have done so by blending a semi-transparent image onto a hillshade layer. The desired appearance of terrain is added, but the image ...
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Creating Colorized Hillshade by Overlaying Hillshade and Color-Relief
I am trying to create a colorized hillshade using gdal and store it as a new file. I'd like to use the 'overlay' method (see also: Overlay)
Unfortunately, it doesn't produce what I'd expect (which ...
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QGIS: Blending mode ignored on export
I am using QGIS installed via the OSGeo4W bundle. Since version 3.26 I have had an issue with the MapComposer. Upon export, blending modes appear to have no effect. In this case I have a bathymetric ...
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DTM hillshade function error: 'does not exist in the file system, and is not recognized as a supported dataset name'
I am trying to use the hillshade function in QGIS 3.24.2-Tisler. I downloaded a DTM from https://app.pdok.nl/viewer/ as an WMTS. When I try to use the hillshade function I get an error (see below): &...
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How to combine different azimuth hillshades (e.g 45°,315°) extracted from the same DEM using QGIS?
I've a DEM from which I created duplicates that have different azimuthal values on hillshades. I would like to see the possibility of combining different azimuths (e.g 0°, 45° and 315°) in a single ...
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Incorrect Z Value in Slope and hillshade Raster from QGIS
I have to create a TIFF for hillshade and Slope from data obtained by Eiva software, basically a XYZ file. When I drop in the XYZ or TIFF exported from Eiva and try to create the layers they seem ok ...
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SRTM hillshade looks weird in QGIS
I am using QGIS 3.18.
My .hgt SRTM files downloaded from the USGS website looks OK except when I try to apply hillshade to it. The parameters that I have used are summarized on the screenshot below. I ...
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Blocky SRTM hillshade in QGIS
I have downloaded some SRTM topography data, which I've re-projected to a projected coordinate system and displayed as a hillshade. As seen in the attached screenshot, the product looks blocky, with ...
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Function for layering two rasters in R
I am trying to layer a raster over a hillshade raster in the same way that I would do using the base R plot function (example code below) and export as a GeoTiff.
col_rmp <- c('#0180FF', '#0101FF', ...
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MapTiler plugin layer: No such file or directory error message
I'm trying to create a Hillshade layer in QGIS using the Terrain RGB layer from the MapTiler plugin. When I run the raster hillshade function, I get the below error. I'm probably missing something ...
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Resizing/resampling geotiff file with Imagemagick breaks hill shading
Using: QGIS 3.24.0 Tisler, ImageMagick 7.2.0-29, both Windows 64 bit on Windows 10. The computer has 96GB of RAM and all the software is 64 bit builds, so I don't think it's a shortage of memory.
I ...
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QGIS Raster Hillshade Classic Drawing Texture
I found this drawing of a valley and really like the texture of it. I suppose this is a sort of hachure map drawn with dots. I was wondering if it was possible to recreate something similiar in QGIS (...
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SRTM resolution increase (~88m to 30m) causes a windowpane check pattern in subsequent hillshade, aspect, slope, etc
I'm working thru QGIS trainings and ran into this:
Task is to use both a low-res Rainfall SRTM (32733) and a higher-res DEM/SRTM (4326) to produce rainfall, slope, and aspect layers, combine them, ...
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Can QGIS clip a raster after Hillshade has been run on it? [duplicate]
I've been trying to clip a raster layer with a shapefile. I already ran Hillshade on the raster, but the clip operation produces a clipped raster file, but the hillshade has been removed. Is this how ...
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Generating DEM from multiple, adjacent .LAS files using QGIS
I have less than a dilettante's knowledge of GIS, but a friend showed me a Digital Elevation Model (DEM) image of some land and I thought that I would like to give it a try. I downloaded the latest ...
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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 ...
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Shaded relief / Hill shade - GRASS vs GDAL and QGIS
I tried generating shaded relief / hill shade maps using different algorithms in GRASS and QGIS. It was found that r.relief of GRASS produced more realistic terrain shading compared to GDAL Hillshade ...
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JPEG compress hillshade
I have a hillshade which I want to compress using JPEG compression:
gdal_translate -co COMPRESS=JPEG -co TILED=YES /home/bera/Drives/ssd1/Hillshades/testhillshade.tif /home/bera/Drives/ssd1/Hillshades/...
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Correcting pixelated hillshade using QGIS
I'm running QGIS 3.20.2. I created a hillshade from lidar data for a property I live on, but the hillshade is quite pixelated. Is there a way to unpixelate it, so it looks smooth and clear? See ...
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Bad result when extract slope from HGT using GDAL
I'm trying to generate a slope tif from a HGT DEM file from SRTM.
I'm following this posts:
https://blog.mastermaps.com/2012/06/creating-hillshades-with-gdaldem.html
https://blog.mastermaps.com/2012/...
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Serve Geotiff file using Geotiff.js
I have this geotiff file of hillshade which I am trying to render on HTML using Geotiff.js https://geotiffjs.github.io/
but it doesn't seem to render anything.
If I inspect chrome console, it does ...
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Is it possible to check the z factor of a hillshade in the layer properties in QGIS?
I'm working with QGIS 3.18 and I want to compare the visual performance of different hillshade layers. For one that I already have I wanted to chek the building parameters, specially the z-factor but ...
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Displaying raster layer in QGIS without any formatting
I have nine adjoining DEM layers (3x3) styled as 'hillshade' but there are some obvious artefacts, particularly where tiles meet. I've exported the hillshade layers to TIFFs in QGIS using the '...
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Create a colored hillshade in ArcGIS Desktop
Is it possible (and how) to create a colored hillshade using a color other than gray in ArcGIS Desktop as it is possible in ArcGIS Pro as described in this article by John Nelson on the ArcGIS Blog?
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Layer styling using raster symbology in PyQGIS
I have two lists of raster (digital elevation model - DEM) layers by name. The first list of layers should be symbolized as follows:
symbology should be set to hillshade
layer rendering, blend mode ...
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GDAL cubic oversampling problem
I am trying to oversample a part of a big GeoTIFF DEM to display it as a hillshade. I'm doing the process in 3 steps:
extract a part of my GeoTIFF
oversample that part
generate the hillshade with ...
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Hillshade output looking grided when zooming in
I have mosaic raster files into a new raster and then running hillshade in ArcGIS and I was wondering why do I get this gridded texture when zooming in and how can I fix it?
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Why do hillshades from Image analysis look much better than the hilshade tool in ArcGIS?
I have been hoping to make my workflow a little more automated, but the hillshades that result from the hillshade tool just don't do it since they have a static look to them. I've tried to play around ...
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DEM produces pixelated hillshade when CRS changed to WGS 84 / UTM
UPDATE:
I now realize my problem with pixelation occurs when I change the CRS to WGS 84 / UTM. Anyone familiar with why this would happen or how to avoid it?
ISSUE:
I am having trouble with hillshade ...
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Identifying and quantifying gullies and hags from aerial imagery in QGIS
We are involved in an extensive peatland restoration project in the Shetland Islands. We provide high resolution and accurate digital surface models and orthomosaics for initial analysis and on-going ...
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Gdaldem hillshade noisy artifacts
Running the command:
gdaldem hillshade in.tif out.tif -z 30
I'm getting artifacts like:
and at -z 1:
How might I correct this? Here is the gdalinfo for the input GeoTiff. All dimensions should be ...
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Reduce noise in QGIS hillshading [duplicate]
I'm using QGIS 3.12's Raster -> Analysis -> Hillshade tool on a fairly coarse DEM provided by the British Columbia provincial government.
The DEM has elevation values between 500m and 2650m, so a ...
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Weird output from hillshade tool in ArcGIS
I am quite new to working with ArcGIS 10.7.
I have a .grd Raster which I interpolated from some data in Surfer (see first picture below). Cell Size is 1m, it is projected in ...
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Why is DEM layer turning black when applying multidirectional hillshade effect [closed]
I'm quite new to QGIS, and am experimenting with the hillshade effects. I've imported a DEM layer, and am simply trying to render it as a multidirectional hillshade. Every time I click the "...
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Slope and hillshade layer not continuous in QGIS
I have been trying to create slope and Hillshade rasters from a DEM raster, which is in UTM11N. I tried different ratios (vertical to horizontal) but everything is in meters so it should work fine. I ...
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Hillshade function calculation: ValueError: Received a NULL pointer
I'm trying to get a raster from a DSM running the following code from python libraries osgeo-gdal in python qgis console:
import pandas as pd
from osgeo import gdal
df = pd.read_csv(azimut_altitude....
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How to create an "arcgis-style" hillshade?
I came across some high res DEM and would like to create a quality hill shade.
Target quality should be ESRI's world_hillshade as shown here:
https://services.arcgisonline.com/arcgis/rest/services/...
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Making elevation contours of raster smoother using QGIS
I am using QGIS 3.6.
I have raster of Europe map which I want to make a colored relief model.
After duplicating the layer, used hillshade on backward layer and colored the upper layer interpolation >...
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Is there a way to independantly hillshade the overviews of a GeoTIFF pyramid in GDAL?
Is there a way to get gdaladdo, gdaldem or another GDAL tool to create a hillshade where each overview is shaded from the corresponding overview in the DEM rather than by resampling a single full ...
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QGIS Hillshade from a specific "light" source in space, not azimuth/altitude of light
I am trying to determine locations on a map that will have a clear line of sight to a satellite in geostationary orbit. Given a terrain raster I'd like to determine what areas of the map are in the "...
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Ortho imagery overlapping a top of Hillshade
I have a hillshade mosaic dataset made from DEM and I also have another mosaic dataset made with a aerial photo.
I will like to overlapping so I can see both layer together, however I don't want to ...
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Hillshade not displaying correctly in ArcGIS Pro?
I have a large DEM of England that I have clipped to my study area and have been trying to generate a hillshade from. I tried a few variations with the parameters in altitude and azimuth (leaving z =1)...
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Rescaling DEM for Blender
I'm working on getting some DEMs ready to bring into Blender to render hillshade. I've done this successfully before with low elevations, but on my current project mountaintops seem to get cut off.
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Making colored hillshade in QGIS?
Today I found that ArcGis can make colored hillshade like on piture below.
Here is link to their blog. I want to do that in QGIS. I know about layer coloring feature, and it's close for perfect, but ...
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Which layer for least cost path analysis
New QGIS user here, so maybe it's kind of a stupid question. I want to calcualte the least cost path between two points but I don't know which layer to use. I have two layers, one is a hillshade layer ...
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