Autodesk AUTOCAD 2006, Command Reference Manual, Page: 782 / 1490

Load Geometry
Loads geometry from the layer when the drawing is opened.
Spatial Index
Displays whether the selected drawing file contains an index that organizes
objects based on their location is space.
Use Spatial Index
Controls whether a spatial index is used when partially opening a drawing.
A spatial index can be used to locate what portion of the drawing is read;
this minimizes the time required to open the drawing. If a drawing does
not contain a spatial index, this option is unavailable.
View List
Displays all the model space views available in the selected drawing file.
When a view is selected, the program loads only the geometry in the selected
view. The default view is Extents. Geometry that is common to both the
selected view and the layers is loaded into the drawing. You can load
geometry from only one view.
You can use the PARTIALOAD command to load additional geometry into
a partially open drawing.
View Name
Displays the currently selected view. Geometry that is common to both the
selected view and the layers is loaded into the drawing.
NOTE When a drawing is partially open, named objects are still loaded into the
file along with the specified geometry from the selected view. All views are still
available in the partially open drawing, but only geometry from the view specified
to load is displayed in the drawing.
Layer Geometry to Load
Displays all the layers available in the selected drawing file. The geometry on
selected layers is loaded into the drawing, including both model space and
paper space geometry. The default loads no layer geometry into the drawing,
but you can load geometry from one or more layers. If you specify to load no
layer geometry into the drawing, no geometry from the selected view is loaded
either because no layer geometry in that view or in the entire drawing is
loaded. Xref-dependent layers are displayed in the Layer Geometry to Load
list only if the selected drawing was last saved with the VISRETAIN system
variable set to 1. Any layers created in the xref since the xref was loaded into
the selected drawing are not displayed in the Layer Geometry to Load list.
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