Re: Is it possible to open polygons created in GEMS on sections in MapInfo

[wdowney]

Problem Solved :D

On Friday, September 28, 2012 2:57:47 PM UTC-4, wdowney wrote:

Hi,

I have a fairly advanced project that I have been assign and my boss wants me to covert all our GEMCOM data into a usable MapInfo format. I know nothing about GEMCOM but have been able to export the geology polygons as DXF files and open them in 3-D. In the version of MapInfo I have there is no 3-D to 2-D connectivity so I can't push the polygons on to section and they are not NS oriented so I can't cheat by coverting my DXF to non earth meters.  I amso have to point data for all of the polygone nodes that I can open as a table in mapinfo but I am at a lose for how I can open this in my section as they are 3-D co-ords.

I would really rather not draw the geology back on by hand for the 100 section I have. Short of convincing my boss to buy me a new Discover Licence (which I am going to start on this MOnday) is there any other way to get the data on my sections?

Cheers
Warna

[Barbara Carroll]

Could you be specific as to how you solved the problem please.

Barbara

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[wdowney]

Hi Barbra,

I used the following steps.

•       Open a feature data base containing pre-existing polyline or polygons (e.g., Geology model imported from GEMCOM)

•       Export the section grid from the 2D interface and extrude the lines as a DXF vector file

•       Lock the Cursor plane to the desired section grid line

•       Set the clip envelope required for the specified section

•       Make the feature data base containing your polygons editable

•       Select all the polygons on the line and cut them from that layer

•       Paste the selected polygons into the Cosmetic Feature Database

•       Save the Cosmetic Feature Database as a new Feature Database (e.g. L11200_Geol_Poly)

•       Open the section like you are working on in the 2-D environment

•       Export the feature database in Discover 3-D to the section line in 2-D

•       Look at the polygon layer (e.g., L11200_Geol_Poly) now open on your section

•       Create a B-layer for digitizing boundaries

•       Copy polygons from polygon layer into B-layer, attribute the columns as required

•       Save the B-layer

Cheers

 Warna

[AlexZ]

Thanks for posting that process Wama, I think you already know that it would be far simpler with the latest version of Discover/Discover 3D (v2012) via the new 3D Model to Section tool accessed via the Section Manager! Are your Gemcom files .bt2 format?

If so

1/. Convert the GEMCOM files into DXF's in 2D using the Discover>Import/Export>Transform Vector file tool.
2/. In 2D, open the drillhole project, then open Section Manager and select all of your target cross-sections (i.e. you can do multiple sections at once)
3/. Still within the Section Manager, press the 'Display 3D Model on selected Section(s)' button, and select all your source DXFs. Assign each source DXF a graphical style, and press OK.

Each dxf model will now be processed and presented on each section as applicable, using the selected styles.

Note that also new in v2012, sections now support MULTIPLE custom user layers per section (in user 'speak', multiple B layer equivalents)! This means that if you a have say 3 GEMCOM models (geology, faults and mineralization), each cross-section will now have three extra layers, each representing one of these models. You can own therefore order these as you wish, individually control their visibility, etc....

[Cinda Graubard]

Hi Alex, '
Hope you are well.
Can we run the newest Disc/D3D with MI 11?
MI 11.5 has a serious bug that impacts our work flow in a major way (and
of many of my clients) and I'm not sure when we will have a solution to
it. They might add a fix to the next patch but I can't get any word on it.
(The bug is that you cannot save edits made in MapInfo on a linked table
back to an access database. We use this for so many things (including
most of our drilling projects) (as do our clients) that is, at this
point, a real hindrance. At first I thought it was only the case for
tables linked to queries in the db, but at the moment I'm not positive
it isn't to base table tables as well...I've seen it happen to both
recently though my initial tests indicated it was with queries only
(though it is as much of a problem either way).

Cinda

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Cinda Graubard

303.440.4539 office
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GeoMax
GIS for Mineral Exploration
Data Visualization, Integration, Analysis, Capture and Conversion
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[AlexZ]

Even though I know Cinda didn't intend posting here ;D

The answer is yes, Discover 2012 supports MI Pro version 10 and greater:

http://encomkb.encom.com.au/questions.php?questionid=113..

[Eric Blasenheim]

Cinda,

 

Can you tell me more about the "MI 11.5 has a serious bug that impacts our work flow in a major way (and of many of my clients) ". If the issue has a tracking number, I can look it bug that way as well.

 

Thanks,

Eric Blasenheim

Pitney Bowes Software