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osgDEM bug?


 
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sky1811
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Joined: 14 Oct 2011
Posts: 4

PostPosted: Fri Oct 14, 2011 11:50 am    Post subject:
osgDEM bug?
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Hi,

...


Thank you!

Cheers,
baigaichao

osgdem -t L:\tex\qiuMerca_t.tif --geocentric --cs epsg:3785 -l 4 -o L:\tex\sky.ive

with this command,osgdem can run and no error reported,but nothing generated. why?
is the osgdem only run with wgs84?
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sky1811
Newbie


Joined: 14 Oct 2011
Posts: 4

PostPosted: Mon Oct 24, 2011 6:22 pm    Post subject:
osgDEM bug?
Reply with quote

Hi,

...


Thank you!

Cheers,
baigaichao

osgdem -t L:\tex\qiuMerca_t.tif --geocentric --cs epsg:3785 -l 4 -o L:\tex\sky.ive

with this command,osgdem can run and no error reported,but nothing generated. why?
is the osgdem only run with wgs84?

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robertosfield
OSG Project Lead


Joined: 18 Mar 2009
Posts: 12216

PostPosted: Tue Oct 25, 2011 7:47 am    Post subject:
osgDEM bug?
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Hi Giachao,

I'm finding to parse exactly what is amiss. Is it that you are trying
to create a geocentric database? Or do you want to destination
coordinate system to be in epsg:3785. Geocentric is computed in
lat/longs and then projected into the Earth Center Earth Fixed (ECEF)
coordinate system, you can't mix other coordinate systems with this.

Robert.

On Fri, Oct 14, 2011 at 12:50 PM, Gaichao Bai <> wrote:
Quote:
osgdem -t L:\tex\qiuMerca_t.tif --geocentric --cs epsg:3785 -l 4 -o L:\tex\sky.ive

with this command,osgdem can run and no error reported,but nothing generated. why?
is the osgdem only run with wgs84?


------------------
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sky1811
Newbie


Joined: 14 Oct 2011
Posts: 4

PostPosted: Tue Oct 25, 2011 1:23 pm    Post subject:
Re: osgDEM bug?
Reply with quote

robertosfield wrote:
Hi Giachao,

I'm finding to parse exactly what is amiss. Is it that you are trying
to create a geocentric database? Or do you want to destination
coordinate system to be in epsg:3785. Geocentric is computed in
lat/longs and then projected into the Earth Center Earth Fixed (ECEF)
coordinate system, you can't mix other coordinate systems with this.

Robert.

On Fri, Oct 14, 2011 at 12:50 PM, Gaichao Bai <> wrote:
Quote:
osgdem -t L:\tex\qiuMerca_t.tif --geocentric --cs epsg:3785 -l 4 -o L:\tex\sky.ive

with this command,osgdem can run and no error reported,but nothing generated. why?
is the osgdem only run with wgs84?


------------------
Post generated by Mail2Forum


Thank you! Robert.My English is poor.

I do want to create a geocentric database,but the texture's coordinate system is epsg:3785. Can osgdem use my texture with out reprojection?

Thank you again.
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S2LR
Appreciator


Joined: 13 Nov 2010
Posts: 208

PostPosted: Tue Oct 25, 2011 2:49 pm    Post subject:
osgDEM bug?
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For geocentric, I would reproject your texture to WGS84 using the gdal
utility (gdalwarp).

-Shayne

-----Original Message-----
From:
[mailto:] On Behalf Of Gaichao
Bai
Sent: Tuesday, October 25, 2011 7:24 AM
To:
Subject: Re: [vpb] osgDEM bug?


robertosfield wrote:
Quote:
Hi Giachao,

I'm finding to parse exactly what is amiss. Is it that you are trying
to create a geocentric database? Or do you want to destination
coordinate system to be in epsg:3785. Geocentric is computed in
lat/longs and then projected into the Earth Center Earth Fixed (ECEF)
coordinate system, you can't mix other coordinate systems with this.

Robert.

On Fri, Oct 14, 2011 at 12:50 PM, Gaichao Bai <> wrote:

Quote:
osgdem -t L:\tex\qiuMerca_t.tif --geocentric --cs epsg:3785 -l 4 -o
L:\tex\sky.ive
Quote:
Quote:

with this command,osgdem can run and no error reported,but nothing
generated. why?
Quote:
Quote:
is the osgdem only run with wgs84?

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osg-users mailing list


http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.or
g
Quote:

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Thank you! Robert.My English is poor.

I do want to create a geocentric database,but the texture's coordinate
system is epsg:3785. Can osgdem use my texture with out reprojection?

Thank you again.

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=43539#43539






g


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