[GRASS-user] Problems to show 3d boreholes

[Carlos Grohmann]

Hello Alec

I did some tests with your file and it worked fine.

Importing the vector into a UTM22south region indeed results in 'zone
invalid' from v.info, but it works. (even with the 'override dataset
projection' option)

(note: the data is on UTM zone 22J - Santa Catarina State)

In the 3D view, initially, the symbol size was really small (100 meters -
map units) and the extent of the points is quite large 212x367 kilometers)
so it was hard to see the vector points. But they are there. In the
'Appearance' tab, you can increase this size.

I attached a screenshot of the point (size=1000) and a crude interpolation
of the PROF_BASE column.

Given the spatial distribution of the points, I suggest you create a mask
of the convex hull (v.hull + v.to.rast + r.mask) of your points and
restrict the interpolation to this area.

You might also want to double check the encoding on the DBF file. I didn't
got any of the Portuguese special characters correctly (I tend to run away
from using characters like 'ç' 'ã', etc).

best

Carlos






[image: Inline image 1]

On Mon, Jan 18, 2016 at 10:09 PM, Alec Ventura <alecventura at hotmail.com>
wrote:

> So, i as able to find some time to work here again...
> I have created a new location using the shape file as source for it, and
> when i choose the file, it successfully recognize the location as UTM 22s.
> But right after GRASS had opened and i just imported the shape to my
> viewport and see the metadata of shape, it again says : Projection: UTM
> (zone invalid)
>
> My steps:
> created a location based on shape file attached,
> 1 - run: d.vect map=Pocos_UTM at PERMANENT
> 2 - run: v.info map=Pocos_UTM at PERMANENT
>
> ps: i just have imported the .shp file
>
> ------------------------------
> From: kratochanna at gmail.com
> Date: Tue, 12 Jan 2016 21:30:25 -0500
> Subject: Re: [GRASS-user] Problems to show 3d boreholes
> To: alecventura at hotmail.com
> CC: grass-user at lists.osgeo.org
>
>
>
> On Tue, Jan 12, 2016 at 7:15 PM, Alec Ventura <alecventura at hotmail.com>
> wrote:
>
> Im trying to draw some 3d boreholes, i have based my attempts on gene
> solution:
>
> http://osgeo-org.1560.x6.nabble.com/Automatic-3D-geological-boreholes-representation-automate-v-extrude-from-a-table-my-solution-in-Pythn-td4978801.html
>
> I believe im on the right path, but by some reason when i change to 3d it
> gave me the fallow message:
>
> Error loading vector map <bore1 at Map1>
> No points from vector map <bore2 at Map1> fall within current
> region
>
>
> And it happens for all boreholes, when i access theyr metadata it gives:
>
>  | Map format:      native
>    |
>
>  |----------------------------------------------------------------------------|
>  |   Type of map: vector (level: 2)
>     |
>  |
>    |
>  |   Number of points:       0               Number of centroids:  0
>    |
>  |   Number of lines:        0               Number of boundaries: 0
>    |
>  |   Number of areas:        0               Number of islands:    0
>    |
>  |   Number of faces:        25              Number of kernels:    1
>    |
>  |   Number of volumes:      0               Number of holes:      0
>    |
>  |
>    |
>  |   Map is 3D:              Yes
>    |
>  |   Number of dblinks:      1
>    |
>  |
>    |
>  |   Projection: UTM (zone invalid)
>     |
>  |
>    |
>  |               N:  7064064.24981919    S:  7062068.91228081
>     |
>  |               E:     371187.626007    W:   369196.94006096
>     |
>  |               B:               148    T:               496
>     |
>  |
>    |
>  |   Digitization threshold: 0
>    |
>  |   Comment:
>     |
>  |     Generated by v.extrude from vector map <tmp at Map1>
>      |
>
>  +----------------------------------------------------------------------------+
>
> Im using UTM 22s, but on metadata it says UTM (zone invalid).
>
> But on 2d, it appears on viewport.
> Any ideas?
> Tnks.
>
>
> Perhaps you could share the data to test? You can use v.pack.
>
> Best,
>
> Anna
>
>
>
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-- 
Prof. Carlos Henrique Grohmann
Institute of Energy and Environment - Univ. of São Paulo, Brazil
- Digital Terrain Analysis | GIS | Remote Sensing -

http://carlosgrohmann.com
http://orcid.org/0000-0001-5073-5572
________________
Can’t stop the signal.
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