|
menu : RhinoCity \ SIG \ Afficher la définition d’une classe d’objets |
command line : RhinoDBFeatureClassShow |
This command displays a feature class definition.
A feature class is defined as the representation of an attribute schema that apllies to all objects in the class. In the Rhinoceros© interface, each existing feature class is associated with a layer. This, all objects on the layer have attributes defined by the feature class.
A feature class is characterized by :
oits name (this is also the name of the associated layer)
oThe type of geometry of objects belonging to it : 2D polylines, 3D polygons, etc.
oOne comment (optional)
Its also contains the definition of one or more attributes, each comprising :
oA name
oA type : string, integer, real number, date and so on.
oOne format (optional)
oA default value (optional)
oOne comment (optional)
For example, if the layer "Roofprint" exists and is associated with a feature class, you will get the following grid :
