Autodesk 23703-010008-1600A - Civil 3D 2006 Essentials, Руководство пользователя

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Overview of Moving Land Desktop Data into
Civil 3D
The following is a summary of the various ways that you can move Land
Desktop data into Civil 3D. Each of these is discussed in more detail in the
following sections.
■ Open a Land Desktop Drawing in Civil 3D —You can open a Land Desktop
drawing in Civil 3D to view Land Desktop objects in Civil 3D as proxies
or as objects.
■
Import Data From Land Desktop command —Use this Civil 3D command
to import surfaces, description keys, alignments, profiles, parcels, and pipe
runs.
■ Convert Land Desktop Points command —Use this Civil 3D command to
convert Land Desktop points to Civil 3D points.
■ Import a Land Desktop Point Data File —You can import an ASCII text file
or .mdb file of a Land Desktop points database into a Civil 3D drawing.
■ LandXML —Use the Civil 3D Import LandXML command to import
LandXML data that you previously exported from Land Desktop.
It is important to note that the process of sharing data between Land Desktop
and Civil 3D is not dynamic. In other words, changes that you make to the
data in one program will not be automatically transferred to the other program.
Another important aspect to note before you begin moving data is that to
avoid conflict and confusion when sharing data between Civil 3D and Land
Desktop, you should always verify that you are using the same coordinate and
unit system.
Opening a Land Desktop Drawing
When you open a Land Desktop drawing in Civil 3D, Civil 3D does not convert
the data. However, you can view Land Desktop objects in Civil 3D as proxies
or as objects, if the Civil object enabler is installed on the same machine.
When you open a Land Desktop drawing in Civil 3D, the following occurs:
■ Geometric data, such as contours, quick sections, grading objects, and
curve text, is not really imported but rather is shown in the drawing as
80 | Chapter 4 Tools for Moving Data