All Questions
Tagged with dem arcgis-10.0
42
questions
2
votes
0
answers
142
views
Using Spherical Standard Deviation to identify ledges on steep cliffs? [closed]
I have been implementing the approach highlighted here: Finding regions or zones in raster DEM of similar slope or aspect values in ArcGIS for Desktop?
to calculate firstly the "spherical variance" ...
2
votes
2
answers
1k
views
Creating flood area based on connected pixels of DEM in ArcGIS Desktop?
I am trying to show the area of flooding that occurs when bodies of water increase by different increments, like 0.5, 1, 1.5 meters, etc.. for all of Tanzania. I have a DEM with all of the bodies of ...
- 339
1
vote
0
answers
787
views
Adding Elevation Data to a Satellite Image Raster File from DEM
I have a satellite image raster file of an area and a DEM of the same area. I can Extract Values to Points by using this DEM as it contains the 'z' value i.e the elevation information in meter. The ...
- 31
6
votes
1
answer
4k
views
Extract river polygons from DEM
I would like to use DEM to extract a river network but I don't want to use the polylines. Is it possible for me to extract polygon (or raster) rivers from DEM? I'm using both ArcGIS 10 and R. If ...
- 91
1
vote
1
answer
272
views
Converting resolution to meter using ArcGIS for Desktop?
I have data in the following format:
Projection: Latitude-Longitude |
| N: 46:08:44N S: 45:54:50.666667N Res: 0:00:00.333333 |
| ...
- 27
2
votes
1
answer
2k
views
Creating DTM for two surfaces with point data and calculating volume between them using ArcGIS Desktop?
I have point data for a ground surface level which is captured in a grid of 35m spacings. I also have point data for the new surface level after soil has been removed which is captured at random ...
- 21
3
votes
0
answers
1k
views
Problem with Flow Direction in DEM [closed]
I have the following problem with Flow Direction Tool in my DEM and with such wrong calculated flow direction in the centre of DEM I am unable to delineate any watershed. What can I do?
- 31
2
votes
1
answer
2k
views
Displaying DEM with real elevation values in ArcGIS Desktop?
I am trying to create a DEM with hillshading map in ArcGIS Desktop 10, but I'm getting the result with scale values between 0 and 254.
How can I display the scale with the real elevation values?
...
- 33
1
vote
0
answers
240
views
Generating Canal on DEM using ArcGIS for Desktop? [closed]
I want to generate a canal going from point A to B with a given slope.
The canal should be on the underlying DEM.
Is there any way to do this with the tools in ArcGIS 10 or do I have to do it ...
- 11
2
votes
2
answers
10k
views
How to create DEM from Lidar point cloud data? [duplicate]
I'm using ArcMap and I want to create DEM(s) over an area to have different outputs depending on which settings/filters I put in. I have access to laser point cloud data as my input files.
I've worked ...
- 213
2
votes
0
answers
133
views
Drawing boundary through DEM of glacier valley using ArcGIS for Desktop?
I want to calculate/draw the boundary extent in Glacier valley with the help of DEM.
Can you please guide me which is the best tools in ArcGIS and steps to calculate.
- 21
1
vote
0
answers
282
views
Correlation between point feature (disease) and elevation [closed]
I have a problem! How can I calculate the correlation between point feature and Dem raster?
Hypothesis: disease prevalence in high altitude is more than low altitude.
I must do this in ArcGIS 10 and ...
- 21
1
vote
1
answer
532
views
Fixing Hole in DEM?
I have what looks like a hole in my DEM! I don't think it is affecting my calculations, but either way, I would quite like to correct it.
Does anybody have any idea how?
Please see the attached ...
- 171
5
votes
2
answers
2k
views
Interpolate Temperature Using DEM
I want to "co-interpolate" temperature with DEM. I have SRTM 90m aggregated to 1km and I want to "co-interpolate" my DEM with points with temperature data. How do I do this? I am using ArcGIS 10.
- 1,188
3
votes
1
answer
1k
views
Lowering DEM's Z value along line using ArcMap
I'm trying to reduce the Z value of a DEM along a line in ArcMap 10:. My goal is to "etch" a very shallow line into the DEM surface, so I can then hillshade it and see the etched track in ...
- 33