AutoCAD Map 3D General

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Member
sergiu.sofronie
Posts: 3
Registered: ‎09-30-2011
Message 1 of 4 (501 Views)

level curves

501 Views, 3 Replies
10-01-2011 12:00 AM

Hello ... I would like to know if I have a survey study (topographical study) of a terrain with lots of point in 3d coordinates, is there any way to generate the level curves automatically? Thanks

*Expert Elite*
Alfred.NESWADBA
Posts: 8,866
Registered: ‎06-29-2007
Message 2 of 4 (500 Views)

Betreff: level curves

10-01-2011 12:51 AM in reply to: sergiu.sofronie

Hi,

 

what version of Map3D do you have?

 

- alfred -

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Alfred NESWADBA
Ingenieur Studio HOLLAUS ... www.hollaus.at
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Member
sergiu.sofronie
Posts: 3
Registered: ‎09-30-2011
Message 3 of 4 (498 Views)

Betreff: level curves

10-01-2011 01:30 AM in reply to: Alfred.NESWADBA
hello ... I have 2012 version x64.
*Expert Elite*
Alfred.NESWADBA
Posts: 8,866
Registered: ‎06-29-2007
Message 4 of 4 (495 Views)

Betreff: level curves

10-01-2011 02:48 AM in reply to: sergiu.sofronie

Hi,

 

besides that I don't think that points (without breaklines) are enough to create a surface ... you can:

 

a) use command _MAPCREATESURFACE to create a DEM out of your points

b) after creating the DEM Map3D displays it within the GIS-layer (in MAPWSPACE)

c) right-click on the DEM-GIS-layer ==> and you get the option to create contour-lines

 

One additional point to that: the precision is limited, I have not found a value to set the grid-size for converting the triangulation to the DEM.

And the option would be to do that with Civil3D, I would prefere it, however I don't know if you have access to it.

 

Good luck, - alfred -

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Alfred NESWADBA
Ingenieur Studio HOLLAUS ... www.hollaus.at
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