Hello list,
Why my DEM does not show elevation? I can't see a 3D perspective view
Aqeel
----- Original Message -----
From: "Leo M. Romeijn" <[EMAIL PROTECTED]>
To: "ER Mapper List Server" <[EMAIL PROTECTED]>
Sent: Monday, July 30, 2001 3:02 PM
Subject: DEM Z Scale & Elevation incorrect
> List,
>
> I believe this got moved off of the list. I am sending it back to share
the
> fix, just in case anyone else runs into this problem.
>
>
>
> Yes!!! That did it. The elevations are now properly shown on the cell
> coordinate display in 3D perspective.
>
> Thanks!!!
>
> Leo M. Romeijn
> Geodetic Positioning Service, Inc.
> Woodland, WA, USA 98674
> (360) 225-0625 ~ (360) 225-0833 (Fax)
> [EMAIL PROTECTED]
>
> -----Original Message-----
> From: david.carter [mailto:[EMAIL PROTECTED]]
> Sent: Sunday, July 29, 2001 9:00 PM
> To: [EMAIL PROTECTED]
> Cc: beta
> Subject: RE: DEM Z Scale & Elevation incorrect
>
> Hi Leo,
>
> Have you tried deleting the transform on your height layer? If a
transform
> is applied to the height layer, this will affect the "Terrain Height"
value
> reported in the "Cell Coordinates" window, but will not affect the z
values
> displayed in the "Cell Values Profile" window. If this doesn't help you,
> could you please send us the data illustrating the problem, and also your
> machine configuration report. You can obtain your machine configuration
> report from the ER Mapper main menu:
>
> "Utilities -> Machine Configuration Report"
>
> Thanks,
>
> David Carter
> QA Officer - ER Mapper
> Earth Resource Mapping
>
> Introducing Raster and Vector Integration
> Image Web Server 1.6 Released
> www.EarthEtc.com
> ===========================================================
> Original Question:
>
> I have a DEM with Landsat TM 7 draped over the top. Both Files
are
> .ers (raster data files). When I go to 3D Perspective view the Z Scale (%)
> is at 7291, which makes the 3D image look like spikes. I change the Z
Scale
> (%) to 300, which makes it looks more realistic. When I use the Cell
> Coordinate command to check elevation values, the values are low +/- 500
> meters. When I check the cell values in the normal view mode the
elevations
> are correct. Does anyone know why this is happening?
>
> Thanks,
>
> Leo M. Romeijn
> Geodetic Positioning Service, Inc.
> Woodland, WA, USA 98674
> (360) 225-0625 ~ (360) 225-0833 (Fax)
> [EMAIL PROTECTED]
>
>
>
>
>
>
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