Re: [GRASS-user] 3d model with boreholes

[Alec Ventura]

Tanks very much for your answer Gene, im trying to follow your steps, but im 
having some issues:I was abble to generate the boreholes, but when i add some 
vectors (boreholes) and turn on 3d, nothing appears.
I had attached my algorithm and my 'pocos' shape file with my attribute table, 
if some kind soul could take a look and point me some directions, i will 
appreciate
Tanks very much,Alec.


> Date: Mon, 12 Oct 2015 22:11:24 -0700
> From: martin.lal...@gmail.com
> To: grass-user@lists.osgeo.org
> Subject: Re: [GRASS-user] 3d model with boreholes
> 
> Hello, look at  automate v.extrude from a table ?
> 
>  
> ,   Automatic 3D geological boreholes representation (automate v.extrude
> from a table ?): my solution in Python
> 
>  
> , and some results in  3D geological volume modeling (raster 3D): is it
> really possible ?
> 
>   
> and  GitHub: GRASS-GIS-3D-geology
>   
> 
> 
> 
> --
> View this message in context: 
> http://osgeo-org.1560.x6.nabble.com/3d-model-with-boreholes-tp5229576p5229591.html
> Sent from the Grass - Users mailing list archive at Nabble.com.
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PassosResumidos
Description: Binary data


Pocos.dbf
Description: Binary data


Pocos.prj
Description: Binary data


Pocos.qpj
Description: Binary data


Pocos.shp
Description: Binary data


Pocos.shx
Description: Binary data
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Re: [GRASS-user] 3d model with boreholes

[Alec Ventura]

I had triyed to run the extrude command over all my boreholes(with buffer), 
just to do a simple test:v.extrude input=PocosGrassBuffer@Map2 output=areaTest 
height=50 type=area
and when i turn on 3d, it gives the error:No features from vector map 
 fall within current region
The EPSG code im using is 4674 - SIRGAS2000, on Qgis it looks ok, but on grass 
i notice that the scale is quite odd, i don't know if this can cause any bug.

From: alecvent...@hotmail.com
To: martin.lal...@gmail.com; grass-user@lists.osgeo.org
Date: Thu, 10 Dec 2015 20:19:29 -0200
Subject: Re: [GRASS-user] 3d model with boreholes




Tanks very much for your answer Gene, im trying to follow your steps, but im 
having some issues:I was abble to generate the boreholes, but when i add some 
vectors (boreholes) and turn on 3d, nothing appears.
I had attached my algorithm and my 'pocos' shape file with my attribute table, 
if some kind soul could take a look and point me some directions, i will 
appreciate
Tanks very much,Alec.


> Date: Mon, 12 Oct 2015 22:11:24 -0700
> From: martin.lal...@gmail.com
> To: grass-user@lists.osgeo.org
> Subject: Re: [GRASS-user] 3d model with boreholes
> 
> Hello, look at  automate v.extrude from a table ?
> 
>  
> ,   Automatic 3D geological boreholes representation (automate v.extrude
> from a table ?): my solution in Python
> 
>  
> , and some results in  3D geological volume modeling (raster 3D): is it
> really possible ?
> 
>   
> and  GitHub: GRASS-GIS-3D-geology
>   
> 
> 
> 
> --
> View this message in context: 
> http://osgeo-org.1560.x6.nabble.com/3d-model-with-boreholes-tp5229576p5229591.html
> Sent from the Grass - Users mailing list archive at Nabble.com.
> ___
> grass-user mailing list
> grass-user@lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/grass-user
  

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[GRASS-user] band combinations using GRASS

[Josep Sitjar]

Dear all,
I'm working with r.composite to create a natural color band combination 
using Landsat 8 image. The result is a very dark image, so I would like 
to know if there's any way to improve it. I'm using GRASS 6.X and also 
GRASS 7.


Thanks in advance,

--
*Josep Sitjar Suñer*
Tècnic SIG / Servei de Sistemes d'Informació Geogràfica i Teledetecció
-
Universitat de Girona
*SIGTE*
-
Pl. Ferrater Mora 1
17071 Girona
Tel +34 972 418 039 (7026 intern)
jo...@sigte.udg.edu 

http://www.sigte.udg.edu
Twitter http://twitter.com/SIGTE_UDG

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Re: [GRASS-user] band combinations using GRASS

[Paul Shapley]

Hi Josep,

The images probably need a 'Histogram Stretch' using 'r.colors' use the
'grey' (color) and tick Histogram Stretch' but make sure you set 'g.region'
to the full image first otherwise it wont work.

Paul Shapley

On 10 December 2015 at 11:03, Josep Sitjar  wrote:

> Dear all,
> I'm working with r.composite to create a natural color band combination
> using Landsat 8 image. The result is a very dark image, so I would like to
> know if there's any way to improve it. I'm using GRASS 6.X and also GRASS
> 7.
>
> Thanks in advance,
>
> --
> *Josep Sitjar Suñer*
> Tècnic SIG / Servei de Sistemes d'Informació Geogràfica i Teledetecció
> -
> Universitat de Girona
> *SIGTE*
> -
> Pl. Ferrater Mora 1
> 17071 Girona
> Tel +34 972 418 039 (7026 intern)
> jo...@sigte.udg.edu
>
> http://www.sigte.udg.edu
> Twitter http://twitter.com/SIGTE_UDG
>
>
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>



-- 
*Paul J. Shapley *MSc CGeog (GIS) FRGS
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Re: [GRASS-user] band combinations using GRASS

[Paul Shapley]

Hi Josep,

My apologies but i should have read your email thoroughly. Please check the
link below hope this helps you.

http://www.paulshapley.com/2014/04/processing-landsat-8-bands-in-grass-gis.html

Regards,

Paul Shapley



On 10 December 2015 at 11:03, Josep Sitjar  wrote:

> Dear all,
> I'm working with r.composite to create a natural color band combination
> using Landsat 8 image. The result is a very dark image, so I would like to
> know if there's any way to improve it. I'm using GRASS 6.X and also GRASS
> 7.
>
> Thanks in advance,
>
> --
> *Josep Sitjar Suñer*
> Tècnic SIG / Servei de Sistemes d'Informació Geogràfica i Teledetecció
> -
> Universitat de Girona
> *SIGTE*
> -
> Pl. Ferrater Mora 1
> 17071 Girona
> Tel +34 972 418 039 (7026 intern)
> jo...@sigte.udg.edu
>
> http://www.sigte.udg.edu
> Twitter http://twitter.com/SIGTE_UDG
>
>
> ___
> grass-user mailing list
> grass-user@lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/grass-user
>



-- 
*Paul J. Shapley *MSc CGeog (GIS) FRGS
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Re: [GRASS-user] band combinations using GRASS

[Josep Sitjar]

Dear Paul and Manfred,
thanks for you interest. It works.

According to your indications, I've applied a greyscale equalisation to 
each band (using r.colors) previous to the band combination. And the 
result is perfect.


Thanks,

*Josep Sitjar Suñer*
Tècnic SIG / Servei de Sistemes d'Informació Geogràfica i Teledetecció
-
Universitat de Girona
*SIGTE*
-
Pl. Ferrater Mora 1
17071 Girona
Tel +34 972 418 039 (7026 intern)
jo...@sigte.udg.edu 

http://www.sigte.udg.edu
Twitter http://twitter.com/SIGTE_UDG

El 10/12/15 a les 14:03, Paul Shapley ha escrit:

Hi Josep,

The images probably need a 'Histogram Stretch' using 'r.colors' use 
the 'grey' (color) and tick Histogram Stretch' but make sure you set 
'g.region' to the full image first otherwise it wont work.


Paul Shapley

On 10 December 2015 at 11:03, Josep Sitjar > wrote:


Dear all,
I'm working with r.composite to create a natural color band
combination using Landsat 8 image. The result is a very dark
image, so I would like to know if there's any way to improve it.
I'm using GRASS 6.X and also GRASS 7.

Thanks in advance,

-- 
*Josep Sitjar Suñer*

Tècnic SIG / Servei de Sistemes d'Informació Geogràfica i Teledetecció
-
Universitat de Girona
*SIGTE*
-
Pl. Ferrater Mora 1
17071 Girona
Tel +34 972 418 039  (7026 intern)
jo...@sigte.udg.edu 

http://www.sigte.udg.edu
Twitter http://twitter.com/SIGTE_UDG


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--
*Paul J. Shapley *MSc CGeog (GIS) FRGS
*
*


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