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Using ASTER DEM files


 
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Srikanth Kudligi (Srikanth Prahlad)
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Joined: 26 Aug 2013
Posts: 7

PostPosted: Tue Dec 31, 2013 10:33 am    Post subject:
Using ASTER DEM files
Reply with quote

Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth
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Srikanth Kudligi (Srikanth Prahlad)
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Joined: 26 Aug 2013
Posts: 7

PostPosted: Tue Feb 25, 2014 9:46 am    Post subject:
Using ASTER DEM files
Reply with quote

Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth

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Chris Hanson
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PostPosted: Tue Feb 25, 2014 3:20 pm    Post subject:
Using ASTER DEM files
Reply with quote

Is the info you need not here?http://trac.openscenegraph.org/projects/osg//wiki/Support/UserGuides/osgdem



Just substitute the aster dem file for the ps_height_16k.tif and see what you get.







On Tue, Dec 31, 2013 at 3:33 AM, Srikanth Prahlad < (
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Quote:
Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=57780#57780





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Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]

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Jason Beverage
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PostPosted: Tue Feb 25, 2014 6:57 pm    Post subject:
Using ASTER DEM files
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Hi Srikanth,

If you're just getting started with terrain you should also take a look at osgEarth (http://www.osgearth.org). You can use the GDAL driver to load the dem files or any other dataset that GDAL can read.


osgEarth creates a scene graph that is similar to VPB but instead of preprocessing the data into a scene graph up front osgEarth produces the scene graph dynamically from the source data.


Give it a look and we'll be happy to answer any questions you might have.


Thanks!


Jason



On Tue, Feb 25, 2014 at 10:18 AM, Chris Hanson < (
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Quote:
Is the info you need not here?http://trac.openscenegraph.org/projects/osg//wiki/Support/UserGuides/osgdem



Just substitute the aster dem file for the ps_height_16k.tif and see what you get.







On Tue, Dec 31, 2013 at 3:33 AM, Srikanth Prahlad < (
Only registered users can see emails on this board!
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)> wrote:
Quote:
Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=57780#57780





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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]



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Chris Hanson
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PostPosted: Tue Feb 25, 2014 7:21 pm    Post subject:
Using ASTER DEM files
Reply with quote

I was going to recommend that, but only after answering the VPB question.

I second Jason's tip, try osgEarth. It's very easy to work with.



On Tue, Feb 25, 2014 at 11:54 AM, Jason Beverage < (
Only registered users can see emails on this board!
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)> wrote:
Quote:
Hi Srikanth,

If you're just getting started with terrain you should also take a look at osgEarth (http://www.osgearth.org). You can use the GDAL driver to load the dem files or any other dataset that GDAL can read.


osgEarth creates a scene graph that is similar to VPB but instead of preprocessing the data into a scene graph up front osgEarth produces the scene graph dynamically from the source data.


Give it a look and we'll be happy to answer any questions you might have.


Thanks!


Jason



On Tue, Feb 25, 2014 at 10:18 AM, Chris Hanson < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Is the info you need not here?http://trac.openscenegraph.org/projects/osg//wiki/Support/UserGuides/osgdem



Just substitute the aster dem file for the ps_height_16k.tif and see what you get.







On Tue, Dec 31, 2013 at 3:33 AM, Srikanth Prahlad < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=57780#57780





_______________________________________________
osg-users mailing list
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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]



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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]

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kingarthur10
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Joined: 17 Apr 2013
Posts: 13

PostPosted: Tue Feb 25, 2014 7:36 pm    Post subject:
Using ASTER DEM files
Reply with quote

I'll third the call for osgEarth. It makes managing layers and different datasets much easier for most use cases. If you are using the full ASTER dataset, you are going to need to preprocess the data to get any form of useful interaction from it. Preprocessing the entire ASTER database will take weeks using either VPB or osgearth_package.

Arthur



On Tue, Feb 25, 2014 at 7:19 PM, Chris Hanson < (
Only registered users can see emails on this board!
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)> wrote:
Quote:
I was going to recommend that, but only after answering the VPB question.

I second Jason's tip, try osgEarth. It's very easy to work with.



On Tue, Feb 25, 2014 at 11:54 AM, Jason Beverage < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Hi Srikanth,

If you're just getting started with terrain you should also take a look at osgEarth (http://www.osgearth.org). You can use the GDAL driver to load the dem files or any other dataset that GDAL can read.


osgEarth creates a scene graph that is similar to VPB but instead of preprocessing the data into a scene graph up front osgEarth produces the scene graph dynamically from the source data.


Give it a look and we'll be happy to answer any questions you might have.


Thanks!


Jason



On Tue, Feb 25, 2014 at 10:18 AM, Chris Hanson < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Is the info you need not here?http://trac.openscenegraph.org/projects/osg//wiki/Support/UserGuides/osgdem



Just substitute the aster dem file for the ps_height_16k.tif and see what you get.







On Tue, Dec 31, 2013 at 3:33 AM, Srikanth Prahlad < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=57780#57780





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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]



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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]





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Jason Beverage
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PostPosted: Wed Feb 26, 2014 7:46 pm    Post subject:
Using ASTER DEM files
Reply with quote

A little teaser, but look forward to some much improved performance with GDAL elevations once we merge our topic-fallback branch back into the master. With the changes in that branch I was able to load the entire CGIAR dataset which is 874 geotiffs, ~60 GB of elevation data, as separate layers in osgEarth and zoom around with no cache and data just flies in. I imagine the same can be said for the ASTER dataset but haven't played with it just yet.

We'll hopefully get things merged back to the master very soon and you can play, it's awesome Wink


Jason





On Tue, Feb 25, 2014 at 2:34 PM, Arthur Bogard < (
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Quote:
I'll third the call for osgEarth. It makes managing layers and different datasets much easier for most use cases. If you are using the full ASTER dataset, you are going to need to preprocess the data to get any form of useful interaction from it. Preprocessing the entire ASTER database will take weeks using either VPB or osgearth_package.

Arthur



On Tue, Feb 25, 2014 at 7:19 PM, Chris Hanson < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
I was going to recommend that, but only after answering the VPB question.

I second Jason's tip, try osgEarth. It's very easy to work with.



On Tue, Feb 25, 2014 at 11:54 AM, Jason Beverage < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Hi Srikanth,

If you're just getting started with terrain you should also take a look at osgEarth (http://www.osgearth.org). You can use the GDAL driver to load the dem files or any other dataset that GDAL can read.


osgEarth creates a scene graph that is similar to VPB but instead of preprocessing the data into a scene graph up front osgEarth produces the scene graph dynamically from the source data.


Give it a look and we'll be happy to answer any questions you might have.


Thanks!


Jason



On Tue, Feb 25, 2014 at 10:18 AM, Chris Hanson < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Is the info you need not here?http://trac.openscenegraph.org/projects/osg//wiki/Support/UserGuides/osgdem



Just substitute the aster dem file for the ps_height_16k.tif and see what you get.







On Tue, Dec 31, 2013 at 3:33 AM, Srikanth Prahlad < (
Only registered users can see emails on this board!
Get registred or enter the forums!
)> wrote:
Quote:
Hi,

Can I know how to use ASTER DEM files for creating database using osgdem ? The files are geoTiff and I presume it contains elevation info also.

...


Thank you!

Cheers,
Srikanth

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=57780#57780





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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]



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--
Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/
Training &bull; Consulting &bull; Contracting
3D &bull; Scene Graphs (Open Scene Graph/OSG) &bull; OpenGL 2 &bull; OpenGL 3 &bull; OpenGL 4 &bull; GLSL &bull; OpenGL ES 1 &bull; OpenGL ES 2 &bull; OpenCL
Digital Imaging &bull; GIS &bull; GPS &bull; osgEarth &bull; Terrain &bull; Telemetry &bull; Cryptography &bull; Digital Audio &bull; LIDAR &bull; Kinect &bull; Embedded &bull; Mobile &bull; iPhone/iPad/iOS &bull; Android
@alphapixel facebook.com/alphapixel (775) 623-PIXL [7495]





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