The vertical distance of a point or object above or below a reference surface or datum (generally mean sea level).
2
votes
1answer
48 views
Add Surface Information in 3d-analyst
One of our guys is using the "Functional Surface->Add Surface Information" feature in 3D-analyst tool in ArcMap 10.1 to add elevation data to an XY list. It's the only feature we're using from the ...
0
votes
1answer
58 views
Elevation difference
I want to get the elevation difference between two points in a river at a regular interval in ArcMap 10 ? I have a criteria to select the point, criteria is minimum distance between two points is 500m ...
3
votes
0answers
134 views
Elevation statistics for a given Area
I am attempting to determine the best way to calculate the Minimum and Maximum elevation for a defined area.
The area is defined by an IPolygon
The elevation is defined as an ISurface
Possible ...
2
votes
0answers
147 views
Correct DTED vertical datums
I have a standard DTED data. DTED data vertical datums are specified using EGM96 geoid.
I would like to correct these DTED data vertical datum in a way their are referred to the WGS84 vertical datum ...
1
vote
0answers
84 views
Can Elevation Profile data in Arc's Flex Viewer 3.0 be exported?
a related thread here: google earth profile used in mashup or flex
Would like to export the elevation profile data (csv, txt, etc.) from Arc's Flex Viewer 3.0 as it creates one:
Also, if there is a ...
1
vote
0answers
74 views
Programmatically download NED tiles?
I used to download 1/3 arcsecond elevation geotiffs from extract.cr.usgs.gov using web services. But a few days ago, that stopped working, probably because USGS reorganized their site. I tried ...
1
vote
0answers
46 views
Process to load elevation data into Oracle 11G
We have the National Elevation data set from USGS and considering loading it into Oracle (11G) database.
Can someone help with the process/steps?
1
vote
0answers
62 views
How to find locations on a conditional search
Hope you can help
I have a set of points evenly distributed to 500m intervals, and stored elevation.
I want to find from a given location any other point with the lowest elevation within a 1,000m ...
1
vote
0answers
237 views
How to create a profile with profile points at discrete altitude intervalls, e.g. each 10 m
In both SAGA and QGIS theres a profile-from-line-function that does a nice job of creating profiles. But there's no way to control the altitude spacing.
Any ideas for workflows that would allow me ...
1
vote
0answers
180 views
Read negative elevation data from NASA png tiles
I query NASA JPL service using query string. Response is a unsigned 16 bit per pixel png image and the values are elevation values in meters. Same is described in the capabilty xml of the layer as can ...
0
votes
0answers
20 views
How do I add elevation data to a GeoJSON line from a GPX file?
I understand that elevation can be added as an optional third value in Coordinates (lat, long, elev) in a geojson file, but I can't find a way to actually do that from a gpx file. I've used ogr2ogr to ...
0
votes
0answers
13 views
Which all columns should I add in postgresql table so that it stores elevation values and displays them in Geoserver?
I am using geoserver and postgresql. I imported raster (.tif) file to postgresql using raster2pgsql. The file thus imported creates a new table in postgresql. But when that file is previewed in ...
0
votes
0answers
23 views
(.NET) Get DTED Data (Elevation) Between Two Points
I want to get DTED data (elevation) between two points (on a line).
Is there any built-in function for this purpose or I should implement it on my own?
What I want is similar to Linear Line of Sight ...
