Hi Arne
MapInfo only stores X and Y as geometry - its a 2D system. Therefore your Z
value must be an attribute in the DAT file rather than an ordinate in the
MAP file.
AutoCAD is a true 3D system and Z has the same status as X and Y.
So you need an export that "knows" it needs to take a field called Z ( or
height or whatever it is ), possibly convert from a string to a float value
and put into the Z value for EACH node on the contour line.
I'm sure options are available, but this is why you are having a problem
with a "standard" export.
Regards
Bob
----- Original Message -----
From: "Arne Scherrenberg" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Thursday, August 17, 2006 9:03 AM
Subject: [MI-L] Exporting topographic contours to DXF
Dear listers,
Does anyone know why the z-values disappear when exporting a
topographic contour map from MapInfo to DXF? I have used the universal
translator and exported to various autocad versions, and ticked the
box keeping the attribute data. But I always loose the z-values,
actually I loose all other infomation. That is, all extra data is
lost, and I am left with just lines in x and y space, NOT in x, y, z
space with alll colours and other attributes!
Can anybody please help solve this?
Cheers,
Arne
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