It seems that the object was created by the Geotechnical modules. It cannot be exported to AutoCAD. I tried to use the command "Export or Explode", all object will be disappeared e.g. borehole onto the profile, geologies contour line onto the profile… after clicked the commands.
Anyone knows how to do or any trick can help? Thanks.
http://issuu.com/augi/docs/aw201205hr?e=1158594/2636620 starting page 54 Creating Geological Surfaces from Probed Depth Values. You will need to create surfaces in a similar way
You can specify the hatches via Profile View Properties - they can be quite complex if you use the Multiple option - see Help
neilyj (No connection with Autodesk other than using the products in the real world)
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The Geotechnical module will automatically Hatch the profile, however you need to ensure both the top and base surfaces for the geology are created.
You also need to ensure the Hatch with the same name as the geology has been created in the Geotechnical Hatch manager. then when you create a geotechnical profile, you should find the strata is hatched.
As pointed out elsewhere the geotechnical module does no interpretation, it just joins the dots up so to speak. Normally you will edit the surfaces to create lenses, faults etc .we are looking at ways to automate this, including superimposing the ground topology onto the strata surfaces, which we will will hope to make available in another extension.
As I pointed out in post 16 the major limitation of the module at present is that it only "joins the dots" based on their absloute levels.
I have to manually extract the XYZ for various strata of interest (where Z = depth), create a depth surface, create a volume surface, copy and paste the volume surface to a regular Civil surface and only then do I have a meaningful surface to profile, compute volumes etc etc
I remain unconvinced that merely taking the absolute levels at each hole creates meaningful surfaces other than for grossly distorted visual display purposes (unless of course borehole were drilled every 2 or 3 metres...!!!)
It seems that every time I get involved in a discussion about the Geotech module I'm always very negative but whilst the module is very good at some aspects - especially creating the borehole strips and 3D boreholes - it is still somewhat limited and I suspect that Autodesk will not develop it to the extent required.
neilyj (No connection with Autodesk other than using the products in the real world)
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As said to you off-line reating depth related surfaces is something you're looking at doing in the HoleBASE civil extension, and would be of benefit on larger and lienar sites.
One possible workaround, is to edit the CSV or AGS files and change the ground level 0.
neilyj (No connection with Autodesk other than using the products in the real world)
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I'm not sure how to edit the AGS file but the HOLE file is very easy especially as it doesn't have to be called HOLE.csv anymore...:)
neilyj (No connection with Autodesk other than using the products in the real world)
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Confirmed as an "issue"
Hi Neil,
I can confirm the issue you talk about and have reported it to our development team.
For now, the only workaround I would see if you need to export this to AutoCAD would be to project the boreholes (3Dsolid) to the profile view, (no use of the geotech module in this case).
Then you can export to AutoCAD and they will appears.
This is the best I can think of right now.
Please let me know if this answer your question or if you need more assistance from my side.
Thanks for your cooperation and have a great day.
Best regards,
neilyj (No connection with Autodesk other than using the products in the real world)
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neilyj (No connection with Autodesk other than using the products in the real world)
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neilyj (No connection with Autodesk other than using the products in the real world)
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Hi Nellyj,
I'm interested in hearing more about your manual workaround to build better subsurface strata/surfaces.
I don't understand setting ground level to 0 in the csv?
If I have good topo survey (XYZ ground surface) it's much more dense than the sparse borehole info. even if have xyz coords for boreholes I tried to take elevation from surface (ground surface) to make sure the boreholes line up with the topo ground surface. does this make any sense?
are you averaging strata depths and adding/subtracting surfaces?
Many thanks,
Matt
Assuming you had a layer of peat over your site with varying thicknesses you would need to start a new drawing and create a point group with the borehole/trial pit locations as the East/North and the peat/stratum thickness as the Z value (needs to be positive)
Create a surface (Peat Depths) from this point group and add other points as necessary based on site knowledge/judgement to cover the ground survey you have
Shortcut the original ground topo survey into this drawing
Create a Volume Surface with the Peat Depths as Base and original topo as Comparison - call it VS Inferred Peat Horizon
Create a new surface called Inferred Base of Peat and paste the Volume Surface in - this can now be used as a regular surface for profiles sections etc etc. but check the levels reported at the borehole locations (OG Level less Base of Peat level) with the recorded depths of peat to see if it has worked.
You can also tweak the Peat Depths surface to add areas where the peat may be absent etc and add additional depth data to the surface which will dynamically update the Inferred Base of Peat surface
neilyj (No connection with Autodesk other than using the products in the real world)
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neilyj (No connection with Autodesk other than using the products in the real world)
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