[OpendTect_Users] Classifying attribute cubes; Exporting isosurfaces

[Farrukh Qayyum]

Dear Júlio,

You can try an alternative workflow that is not using the colour bar. 
You can use this to classify a volume into iso-surfaces / geobodies. For 
the workflow, the best way would be to watch this video tutorial (start 
at 21min). I think it answers to most of your questions.

http://opendtect.org/tutorials/Webinar_Geo-body_Creation_in_OpendTect

> There is some feature for exporting the surfaces as clouds of points 
> (x,y,z)?

You can also do it in a various ways. If you export horizons/grids from 
OpendTect, it is by default exported as column sorted XYZ file. You may 
also use the crossplot tool of OpendTect to extract point data or export 
manually picked picksets/polygons.

If this doesn't help, please do not hesitate to get back to us.

Kind regards,
Farrukh



On 04/05/2012 15:05, Júlio Hoffimann wrote:
> Dear all,
>
> Is it possible to classify an attribute cube into N colors and export 
> the boundaries (isosurfaces)? More clearly, given a cube, 
> inline/crossline ranges and the number of classes, export all the 
> surfaces which separate the N different colors.
>
> What would be the correct approach in OpendTect for extracting 
> macroscale layers? There is some feature for exporting the surfaces as 
> clouds of points (x,y,z)?
>
> Appreciate any help,
> Júlio.
>
>
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