Questions tagged [shaded-relief]

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Seeking ways to improve rendering of surface water in shaded-relief images

I have a question about techniques for depicting surface water features in shaded-relief (hillshade) rendering. I’ve written some Java code for rendering elevation data from the USGS Cloud Optimized ...
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51 views

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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gdal calc operation takes too long to make shaded relief map

I am new to using GDAL and I wanted to make a certain shaded relief map using gdal calc. There are two steps to the operation. First of all, I have a hillshade that I created using gdal hillshade. ...
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2 votes
1 answer
69 views

Showing z scale with shaded relief instead of colour scale?

I've got a .flt file with a z value (height), when displayed this gives me a scale based on the z value. To better visualize the data I want to apply a shaded relief function to the data, but when I ...
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2 answers
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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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1 vote
1 answer
469 views

Making a heightmap DEM for use in putting together a relief

I'm new to GIS, and I'm just doing this as a hobby. I've seen 3d relief maps like this one: https://i.redd.it/peq57uoa28c51.jpg and I wanted to try my hand at making my own. I used the topoView ...
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8 votes
1 answer
386 views

3-D Terrain effects for vectors in QGIS?

I'm a bit new to QGIS, and making a few maps of roads through mountains. I'm looking to have a 3-D effect within my 2-D map. I got a DEM, made a hillshade, and blended a basemap over it. Nice ...
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1 vote
1 answer
467 views

Solar radiation analysis in ArcGIS (shade)?

I was wondering whether the Area solar radiation tool in ArcGIS takes into account the effect of shadow by the topographic surrounding terrain. Besides, is there a way to undo this effect, so I can ...
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Shaded Relief Map to Contours [closed]

Is there a way to create contour map from a given shaded relief map?
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1 answer
166 views

Automatically detecting relief in flat areas from hillshape for marine bathymetry using ArcGIS Desktop?

I am trying to identify areas of interest in the ocean around 30-150 m that have some "topographic relief" compared to their surrounding areas. I did this manually by looking at the hillshade and ...
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1 vote
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206 views

Getting Shaded relief from DXF mesh using QGIS?

I am stuck with a problem in QGIS. I have a three-dimensional mesh as DXF from AutoCAD, which I imported into QGIS. Now I wanted to create a shaded relief map. I think I need to create a raster from ...
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1 vote
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318 views

How to remove parallel stripes from DEM in QGIS or GRASS? [duplicate]

I have DEM (*.tif) from which I need to create shaded relief in GRASS/QGIS. Problem is that it appears to have some parallel stripes all across the raster, as on picture below. I used resampling ...
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QGIS Orfeo Toolbox: Smoothing tools generate unwanted black border on a hillshade raster

I'm using the Smoothing (gaussian) and Smoothing (mean) tools in the QGIS Orfeo toolbox to blur a hillshade raster I've generated. However, they both come out with a thick black border at the edge of ...
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1 vote
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660 views

Import raster tiles in PostGIS

I have much amount of raster tiles with hillshaded relief, that I've tiled using QGIS (Qtiles). And I'm trying to import these raster tiles into PostGIS. I have searched about my question but found ...
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1 vote
1 answer
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What is the elevation unit of the Natural Earth's Shaded Relief raster? [duplicate]

I need to use this raster data to extract elevation for points and polygons, but I am really confused about the unit of the pixel values http://www.naturalearthdata.com/downloads/10m-raster-data/10m-...
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4 votes
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How is ray tracing different from ambient occlusion when hillshading with SAGA?

SAGA offers both raytracing and ambient occlusion in its Analytical Hillshading module, but doesn't explain how these modes differ. Is one significantly more expensive in computation, and is the ...
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207 views

Which Leaflet Basemap with shaded relief should I use for a WebGIS?

I'm having difficulties to show shaded relief in our Basemap. Where can I find a free and clean basemap service, that shows only shaded relief? With no labels, no roads, no rivers, no cities, etc., ...
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3 votes
2 answers
380 views

Paint relief according to geology

I have created this shaded relief image in arcmap (first image). Is there a way to paint part of it according to geology and keep the relief texture (like the green color on the second image)? ...
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1 vote
1 answer
1k views

Where to get free seafloor elevation for Galapagos Islands?

I'm trying to find seafloor elevation around the Galapagos Islands. Something with resolution 30 - 100 meters. Or just shaded relief for this region.
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2 votes
0 answers
127 views

Weird artefacts/pixels in QGIS-created shaded relief map

I'm working with 30m SRTM data on an terrain map of Cuba. I downloaded the necessary DEM files, merged them and went on to create the shaded relief map in QGIS 2.8 using Raster > Analyze > DEM (...
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1 vote
1 answer
3k views

QGIS elevation and relief shade

I am trying to generate a map with terrain and elevation in QGIS and as a beginner I have followed tutorials on how to generate contours and hill shades succesfully. However, I don't know what are the ...
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8 votes
1 answer
967 views

QGIS procedure for Multidirectional, oblique-weighted, shaded-relief?

Is QGIS capable of the multidirectional, oblique-weighted,shaded-relief method described at http://pubs.usgs.gov/of/1992/of92-422/of92-422.pdf ? If so, what are the steps necessary in QGIS to ...
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3 votes
2 answers
1k views

Georeferencing PNG with transparency via gdal produce "green pixels" in QGIS?

This is just intriguing while not blocking my way, but I wonder what is going on and would like to get feedbacks from more experienced users. 1) Given a trans.png file (1.1MB) looks good and ...
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  • 2,563
5 votes
1 answer
985 views

Identifying shadow on Landsat image by Hillshade Tool in ArcGIS Spatial Analyst?

I would like to automaticaly identify shadows on Landsat scene in mountaineus area using Hillshade Tool (ArcGIS 10.1). I have 1 Landsat image from one date DEM (SRTM) from the same area To create ...
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1 vote
1 answer
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Adding shadedreliefarchive imagery to QGIS

I'm trying to add some relief imagery that is found at shadedreliefarchive.com Specifically, I'm trying to add the SEAsia one found here. I've tried making a custom CRS to match the details found on ...
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7 votes
1 answer
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Plotting elevation maps and shaded relief images from latitude, longitude, and elevation pairs [closed]

I have a set of latitude, longitude, and elevation pairs (roughly a grid of such values, though it is not uniform), and I'd like to be able to plot an elevation map and perhaps also a shaded relief ...
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7 votes
1 answer
3k views

Creating blended colour relief in QGIS?

I am mapping mountainous areas in QGIS 2.4 and would like to recreate the beautiful blended colour relief found, for example, in the map shown at http://maps.kartoza.com/Boosmansbos/. While I am ...
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3 votes
0 answers
2k views

Creating one DEM from multiple ASC files

I am struggling with this several days and now its time to ask how to do it in QGIS. I have very detailed 27 ASC grid files with overall size of 9 GB created from 1m contours of large area (600 m2). ...
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  • 1,624
0 votes
1 answer
64 views

How do you set sea level elevation to white in terrain analysis?

I have ASTER files I am working with to create a shaded relief background for some other vector shapefiles. In experimenting with different color-elevation options, I am unable to have the Terrain ...
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4 votes
1 answer
1k views

Possible workflows for shaded relief representation as vector

I am looking for a good workflow on how to represent relief on a map as vector (e.g. for further processing in Adobe Illustrator or Inkscape). My inspiration is the present google maps at zoom level ...
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3 votes
0 answers
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Adjacent DEM files have narrow triangular gaps when joined

Newbie here. I've downloaded several DEM files from GeoCommunity which correspond to adjacent regions. When I join them together to form a larger relief map there are triangular 'gaps' on all four ...
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5 votes
4 answers
608 views

How to create shaded relief from xyz file?

I have a DEM (xyz format) which I want to apply to a "flat" map texture to create a shaded relief, preferably with software that is available for free.
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4 votes
2 answers
1k views

Is it possible to produce a decent looking shaded-relief map at 50K-scale-or-larger using SRTM3 DEM?

I'm trying to make a decent-looking shaded-relief map of a particular area in 50K-scale-or-larger using open-source tools. The best (and free) option I have for DEM data for that area right now is the ...
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3 votes
1 answer
568 views

Where to find ready to use automate shadow detection algorithm?

I am searching for an algorithm to make a shape file of every shadow in Landsat image (30 meters per pixel). I need to classify lakes at the image, but territory is very mountainous and shadows are ...
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33 votes
3 answers
3k views

Can I reproduce this classic cartographic hillshade relief effect (hachures) electronically using modern DEM data?

I own a number of old cetral-European maps and I always liked the classic hand-drawn cartographic hillshade relief presentation that these maps feature. I am not wanting to reproduce the shading (...
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48 votes
5 answers
22k views

Smoothing DEM using GRASS?

I have a SRTM DEM and I want to create a shaded relief from it. I created the shaded relief in GRASS and the result is very nice, but a little rough because the area is near flat and the DEM is 90m in ...
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4 votes
2 answers
7k views

Creating shaded relief in ArcGIS Desktop?

How can I create shaded relief from contour lines (.shp format)? I see Hillshade in ArcToolbox, but it asks for a raster file. I have ArcGIS 10.0.
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18 votes
4 answers
7k views

Shaded relief from DEM in GRASS and QGIS

I have been trying to get a good looking shaded relief model out of GRASS and Qgis for a day or so now and just can't seem to get it. The biggest problem I'm having is the valleys look like mountains,...
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9 votes
2 answers
3k views

Emulating "Swiss style" shaded relief with ArcGIS tools?

Is there a way to create a Swiss style (or other hand-shaded-like styles) shaded relief from a dem using ArcGIS tools alone?
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