Thank you Leo,
I will try this one
Aqeel Kidwai (Ph.D.)
Remote Sensing / GIS Manager
Spatial Mapping Ltd.,
200-484 Second Avenue
Prince George, V2L 2Z7 BC
Tel.: 250-564-1928
Fax: 250-564-0751
E-mail: [EMAIL PROTECTED]
Website: www.spatialmapping.com
----- Original Message -----
From: "Leo M. Romeijn" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 31, 2001 3:34 PM
Subject: RE: DEM Z Scale
> Aqeel,
>
> Put your DEM in Height layers on the same surface as your Image layers. In
> the Algorithm window, hit 3D perspective in the View Mode pull down bar.
Use
> Cell Coordinate, under the View menu, and the pointer tool to see
elevation
> values from picking on the 3D view.
>
> Leo M. Romeijn
> Geodetic Positioning Service, Inc.
> Woodland, WA, USA 98674
> (360) 225-0625 ~ (360) 225-0833 (Fax)
> [EMAIL PROTECTED]
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On
> Behalf Of Aqeel Kidwai
> Sent: Tuesday, July 31, 2001 2:57 PM
> To: [EMAIL PROTECTED]
> Subject: Re: DEM Z Scale
>
> 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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