Autodesk Design Suite 3D - Planix Home Design Suite 3D Manuel de service télécharger pdf (Page 25)

Using AutoCAD Land Development Desktop to Complete a Project

Defining Data to Databases

By default, points are always saved to the project point database. But

there are other objects that you must define to databases yourself,

transforming simple geometry to objects with extended entity data.

You can also assign data to objects in your drawing using the

AutoCAD Map functionality, and organize topologies in order to

analyze spatial relationships.

Objects that you can define to databases include alignments, parcels,

and breaklines. For example, to create an alignment, you first draw

the alignment geometry, such as lines and curves. These are simple

CAD objects stored in the drawing file.

Next, you must define the alignment to the alignment database,

which saves information about the points of intersection, stations,

and so on, in an external file, which you can edit in the Horizontal

Alignment Editor.

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Autodesk Design Suite 3D - Planix Home Design Suite 3D Manuel de service Page 25