All Questions
55
questions
-1
votes
1
answer
148
views
Getting high resolution DEM for a location [closed]
As a part of my project, I want high resolution (10m approx) DEM for my desired location.
How and where can I get it?
I already tried with 30m DEM obtained from USGS.
I am getting blurry DEM, if I ...
1
vote
1
answer
2k
views
Seeking SRTM 90m data
I'm looking for 90 meter resolution SRTM data to coverage a large state in the Western US. I used to use Derek Watkins' awesome tile grabber for SRTM90: https://dwtkns.com/srtm/
but as he explains on ...
- 1,205
0
votes
1
answer
64
views
What global (or very large area regional) digital elevation models (DEMs) products are publicly available? [closed]
What global or large regional area DEM and/or DSM products are publicly available?
0
votes
1
answer
74
views
Looking for data to create contour lines at close range
This is my first post here and I'm new to GIS and I'm not massively even sure what I'm asking, so please be gentle!
I'm attempting to learn QGIS through self-study and my idea is to take on a few ...
2
votes
1
answer
794
views
How do I convert an elevation shapefile into a CSV file with its XYZ data?
I am new to using QGIS and LeapfrogGeothermal Modeling. I have a shapefile for Elevation and Altitude data and need to extract XYZ coordinates out of it? Can I do that? and how? and what kind of file ...
- 21
0
votes
2
answers
548
views
Seeking Uruguay or South America DEM or DTM? [closed]
Is there any DEM (Digital Elevation Model) or DTM (Digital Terrain Model) for Uruguay or South America?
I am aware of the Renare for Uruguay.
- 9
1
vote
1
answer
249
views
Downloading digital elevation model of United States?
I would like to download a digital elevation model of the United States, where can I do this?
It doesn't need to be super detailed.
But it would be nice, if was clipped at the country borders – ...
- 561
2
votes
1
answer
375
views
Extracting Road Terrain Properties using DEM / LIDAR
I want to extract following road terrain data from DEM but I'm not sure if its possible. Can i extract these attributes using LIDAR if not DEM ?
These are the data fields I need:
Horizontal curve ...
- 41
0
votes
1
answer
1k
views
Data for depth contours/DEM for Mediterranean sea
I am searching for data for depth contours for the Mediterranean sea, especially the Aegean sea in any format (raster, shp). Does anyone know if there are any free available data?
3
votes
4
answers
2k
views
Looking for good quality DEMs for Svalbard and Faroe Islands
I'm trying to find Open Data DEMs for a couple of personal mapping projects, for the following areas:-
Faroe Islands
Svalbard (Longyearbyen)
Ideally, with 100m resolution or better.
I normally use ...
- 20.5k
2
votes
2
answers
851
views
Looking for DEM data of Brighton UK [duplicate]
Where can I find accurate DEM data of Brighton UK with an attribute table to be used in ARC GIS, being used for a university GIS project and have struggled to find this data.
1
vote
1
answer
186
views
Downloading data from online map?
I am trying to download a hillshade map of africa. I found the perfect one, namely this:
South Africa 5m resolution hillshade
http://www.arcgis.com/home/item.html?id=219dc4347a594455bdf239c8eb4b581c
...
-1
votes
1
answer
210
views
Seeking free Stereo Satellite Imagery with GCP?
I want to try generate DSM and DTM using Stereo Satellite Imagery (IKONOS, WorldView 4) and GCP file by Socet GXP.
- 1,123
5
votes
2
answers
8k
views
Finding high resolution DEM data for small area in Japan?
I'm working on an app to visualize terrain data in virtual reality for a small mountainous region in Japan (centered around Hakuba). The freely available data I've found for this region (ASTER, SRTM ...
- 161
0
votes
1
answer
266
views
Seeking DEM data to make hillshade and contours?
I used to make hillshade and contours for several scales from Aster 30m GDEM with ErMapper. My data is not covering everything I need, so I am looking for a recent one.
I saw there was a Aster GDEM ...
- 903