All Questions
54
questions
0
votes
0
answers
50
views
Combine DTM with hillshade in QGIS
I'm wondering if it is possible to combine a LiDAR generated DTM on a 1m Scale with a Hillshade DTM on a 0,25m Scale to improve the level of detail of the LiDAR DTM.
If possible how can this be done ...
0
votes
1
answer
126
views
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 ...
- 103
0
votes
2
answers
200
views
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 ...
- 31
2
votes
2
answers
442
views
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/...
- 21
0
votes
0
answers
358
views
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): &...
- 103
2
votes
0
answers
447
views
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 (...
- 51
4
votes
3
answers
1k
views
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 ...
0
votes
1
answer
665
views
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 ...
2
votes
0
answers
211
views
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 ...
- 189
1
vote
0
answers
245
views
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 ...
- 594
0
votes
0
answers
50
views
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 ...
- 3,688
1
vote
0
answers
230
views
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 "...
- 19
1
vote
0
answers
232
views
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 ...
6
votes
3
answers
2k
views
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/...
- 121
2
votes
1
answer
247
views
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.
...
- 101