Learning Resources
To learn about AutoCAD 2011,
including the new and updated commands and system variables listed
below, use the following resources:
New and Updated Commands
The following commands
are new or have been updated in AutoCAD 2011:
- 3DEDITBAR
-
Reshapes, scales, and
edits the tangency of NURBS surfaces.
- 3DOSNAP
-
Sets the object snap
modes for 3D objects.
- -3DOSNAP
-
Sets the object snap
modes for 3D objects.
- ADDSELECTED
-
Creates a new object
based on the object type and general properties of a selected object.
- ANALYSISCURVATURE
-
Displays a color gradient
onto a surface to evaluate different aspects of its curvature.
- ANALYSISDRAFT
-
Displays a color gradient
onto a 3D model to evaluate whether there is adequate space between
a part and its mold.
- ANALYSISOPTIONS
-
Sets the display options
for zebra, curvature, and draft analysis.
- ANALYSISZEBRA
-
Projects stripes onto
a 3D model to analyze surface continuity.
- -BCPARAMETER
-
Applies constraint parameters
to selected objects, or converts dimensional constraints to parameter
constraints.
- BREP
-
Removes the history
from 3D solids and composite solids, and associativity from surfaces.
- CHAMFEREDGE
-
Bevels the edges of
3D solids and surfaces.
- CHPROP
-
Changes the properties
of an object.
- CONVERTOLDMATERIALS
-
Converts materials created
in previous drawing file formats to the current format.
- CONVTOMESH
-
Converts 3D objects
such as polygon meshes, surfaces, and solids to mesh objects.
- CONVTONURBS
-
Converts 3D solids and
surfaces into NURBS surfaces.
- CVADD
-
Adds control vertices
to NURBS surfaces and splines.
- CVHIDE
-
Turns off the display
of control vertices for all NURBS surfaces and curves.
- CVREBUILD
-
Rebuilds the shape of
NURBS surfaces and curves.
- -CVREBUILD
-
Rebuilds the shape of
NURBS surfaces and curves.
- CVREMOVE
-
Rebuilds the shape of
NURBS surfaces and curves.
- CVSHOW
-
Displays the control
vertices for specified NURBS surfaces or curves.
- DCALIGNED
-
Constrains the distance
between two points on different objects.
- DCANGULAR
-
Constrains the angle
between line or polyline segments, the angle swept out by an arc
or a polyline arc segment, or the angle between three points on objects.
- DCCONVERT
-
Converts associative
dimensions to dimensional constraints.
- DCDIAMETER
-
Constrains the diameter
of a circle or an arc.
- DCDISPLAY
-
Displays or hides the
dynamic constraints associated with a selection set of objects.
- DCFORM
-
Specifies whether the
dimensional constraint being created is dynamic or annotational.
- DCHORIZONTAL
-
Constrains the X distance
between points on an object, or between two points on different
objects.
- DCLINEAR
-
Creates a horizontal,
vertical, or rotated constraint based on the locations of the extension
line origins and the dimension line.
- DCRADIUS
-
Constrains the radius
of a circle or an arc.
- DCVERTICAL
-
Constrains the Y distance
between points on an object, or between two points on different
objects.
- FBXEXPORT
-
Creates an Autodesk®
FBX file containing selected objects in the current drawing.
- -FBXEXPORT
-
Creates an Autodesk®
FBX file containing selected objects in the current drawing.
- FBXIMPORT
-
Imports an Autodesk®
FBX file, which can contain objects, lights, cameras and materials.
- -FBXIMPORT
-
Imports an Autodesk®
FBX file, which can contain objects, lights, cameras and materials.
- FILLETEDGE
-
Rounds and fillets the
edges of solid objects.
- GCCOINCIDENT
-
Constrains two points
together or a point to a curve (or an extension of a curve).
- GCCOLLINEAR
-
Causes two or more line
segments to lie along the same line.
- GCCONCENTRIC
-
Constrains two arcs,
circles, or ellipses to the same center point.
- GCEQUAL
-
Constrains two arcs,
circles, or ellipses to the same center point.
- GCFIX
-
Locks points and curves
in position.
- GCHORIZONTAL
-
Causes lines or pairs
of points to lie parallel to the X axis of the current coordinate
system.
- GCPARALLEL
-
Causes selected lines
to lie parallel to each other.
- GCPERPENDICULAR
-
Causes selected lines
to lie 90 degrees to one another.
- GCSMOOTH
-
Constrains a spline
to be contiguous and maintain G2 continuity with another spline,
line, arc, or polyline.
- GCSYMMETRIC
-
Causes selected objects
to become symmetrically constrained about a selected line.
- GCTANGENT
-
Constrains two curves
to maintain a point of tangency to each other or their extensions.
- GCVERTICAL
-
Causes lines or pairs
of points to lie parallel to the Y axis of the current coordinate
system.
- GRADIENT
-
Fills an enclosed area
or selected objects with a gradient fill.
- GRAPHICSCONFIG
-
Sets options for 3D
display performance.
- HATCH
-
Fills an enclosed area
or selected objects with a hatch pattern, solid fill, or gradient
fill.
- -HATCH
-
Fills an enclosed area
or selected objects with a hatch pattern, solid fill, or gradient
fill.
- -HATCHEDIT
-
Modifies an existing
hatch or fill.
- HATCHGENERATEBOUNDARY
-
Creates a non-associated
polyline around a selected hatch.
- HATCHSETBOUNDARY
-
Redefines a selected
hatch or fill to conform to a different closed boundary.
- HATCHSETORIGIN
-
Controls the starting
location of hatch pattern generation for a selected hatch.
- HATCHTOBACK
-
Sets the draw order
for all hatches in the drawing to be behind all other objects.
- HELP
-
- HIDEOBJECTS
-
- ISOLATEOBJECTS
-
Displays selected objects
across layers; unselected objects are hidden.
- JOIN
-
Joins similar objects
to form a single, unbroken object.
- LAYERP
-
Undoes the last change
or set of changes made to layer settings.
- LAYERPMODE
-
Turns on and off the
tracking of changes made to layer settings.
- LOFT
-
Creates a 3D solid or
surface in the space between several cross sections.
- MATBROWSERCLOSE
-
Closes the Materials
Browser.
- MATBROWSEROPEN
-
Opens the Materials
Browser.
- MATEDITORCLOSE
-
Closes
the Materials Browser.
- MATEDITOROPEN
-
Opens the Materials
Editor.
- MATERIALS
-
Opens
the Materials Browser.
- MATERIALSCLOSE
-
Closes
the Materials Browser.
- MEASUREGEOM
-
Measures the distance,
radius, angle, area, and volume of selected objects or sequence
of points.
- MESHCAP
-
Creates a mesh face
that connects open edges.
- MESHCOLLAPSE
-
Merges the vertices
of selected mesh faces or edges.
- MESHEXTRUDE
-
Extends a mesh face
into 3D space.
- MESHMERGE
-
Merges adjacent faces
into a single face.
- MESHSPIN
-
Spins the adjoining
edge of two triangular mesh faces.
- MESHSPLIT
-
Splits a mesh face into
two faces.
- MIGRATEMATERIALS
-
Finds any legacy materials
in Tool Palettes and converts them to generic type.
- NAVBAR
-
Provides access to navigation
and orientation tools from a single interface.
- PLANESURF
-
Creates a planar surface.
- POINTCLOUD
-
Provides options to
create and attach an indexed point cloud file.
- POINTCLOUDATTACH
-
Inserts an indexed point
cloud (PCG or ISD) file into the current drawing.
- -POINTCLOUDATTACH
-
Inserts an indexed point
cloud (PCG or ISD) file into the current drawing.
- POINTCLOUDINDEX
-
Creates an indexed point
cloud (PCG or ISD) file from a scan file.
- PROJECTGEOMETRY
-
Projects points, lines,
or curves onto a 3D solid or surface from different directions.
- QDIM
-
Creates a series of
dimensions quickly from selected objects.
- -QUICKPUB
-
Creates a DWF, DWFx,
or PDF file and allows you to set individual page setup overrides
on a sheet by sheet basis.
- REVOLVE
-
Creates
a 3D solid or surface by sweeping an object around an axis.
- SELECTSIMILAR
-
Adds similar objects
to the selection set based on selected objects.
- SKETCH
-
Creates a series of
freehand line segments.
- SPLINE
-
Creates a smooth curve
that passes through fit points or near control vertices.
- SPLINEDIT
-
Edits a spline or spline-fit
polyline.
- SURFBLEND
-
Creates a continuous
blend surface between two existing surfaces.
- SURFEXTEND
-
Lengthens a surface
by a specified distance.
- SURFFILLET
-
Creates a filleted surface
between two other surfaces.
- SURFNETWORK
-
Creates a surface in
the space between several curves in the U and V directions (including
surface and solid edge subobjects).
- SURFOFFSET
-
Creates a parallel surface
a specified distance from the original surface.
- SURFPATCH
-
Creates a new surface
by fitting a cap over a surface edge that forms a closed loop.
- SURFSCULPT
-
Trims and combines surfaces
that bound a watertight area to create a solid.
- SURFTRIM
-
Trims portions of a
surface where it meets another surface or type of geometry.
- SURFUNTRIM
-
Replaces surface areas
removed by the SURFTRIM command.
- SWEEP
-
Replaces surface areas
removed by the SURFTRIM command.
- UNISOLATEOBJECTS
-
Displays previously
hidden objects.
- VPLAYER
-
Sets layer visibility
within viewports.
New and Updated System
Variables
The following system
variables are new or have been updated in AutoCAD 2011:
- 3DOSMODE
-
Controls the settings
for the 3D object snaps.
- 3DSELECTIONMODE
-
Controls the selection
precedence of both visually and physically overlapping objects when
using 3D visual styles.
- APPLYGLOBALOPACITIES
-
Applies transparency
settings to all palettes.
- CETRANSPARENCY
-
Sets the transparency
level for new objects.
- CLASSICKEYS
-
Sets shortcuts to pre-Windows
AutoCAD shortcuts or Windows shortcuts.
- CONSTRAINTINFER
-
Controls whether the
geometric constraints are inferred while drawing and editing geometry.
- CONSTRAINTSOLVEMODE
-
Controls constraint
behavior when applying or editing constraints.
- CULLINGOBJ
-
Controls whether 3D
subobjects that are hidden from view can be highlighted or selected.
- CULLINGOBJSELECTION
-
Controls whether 3D
objects that are hidden from view can be highlighted or selected.
- DIGITIZER
-
Identifies digitizers
connected to the system.
- ERHIGHLIGHT
-
Controls whether reference
names or reference objects are highlighted when their counterparts
are selected in the External References palette or in the drawing
window.
- FILLETRAD3D
-
Stores the current fillet radius for
3D objects.
- GFCLRSTATE
-
Specifies whether a
gradient fill uses one color or two colors.
- GLOBALOPACITY
-
Controls transparency
level for all palettes.
- GRIDMAJOR
-
Controls the frequency
of major grid lines compared to minor grid lines.
- GRIDMODE
-
Specifies whether the
grid is turned on or off.
- GRIDSTYLE
-
Controls the style of
grid displayed for 2D model space, Block Editor, 3D parallel projection,
3D perspective projection, and Sheet and Layout tabs.
- GRIPCOLOR
-
Controls the color of
unselected grips.
- GRIPCONTOUR
-
Controls the color of
the grip contour.
- GRIPHOT
-
Controls the color of
selected grips.
- GRIPHOVER
-
Controls the fill color
of an unselected grip when the cursor pauses over it.
- GRIPMULTIFUNCTIONAL
-
Specifies the access
methods to multi-functional grips.
- GRIPS
-
Controls the display
of grips on selected objects.
- GRIPSUBOBJMODE
-
Controls whether grips
are automatically made hot when subobjects are selected.
- GRIPTIPS
-
Controls the display
of grip tips and Ctrl-cycling tooltips.
- HELPPREFIX
-
Sets the file path for
the Help system.
- HPANNOTATIVE
-
Controls whether a new
hatch pattern is annotative.
- HPBACKGROUNDCOLOR
-
Controls the background
color for hatch patterns.
- HPBOUNDRETAIN
-
Controls whether boundary
objects are created for new hatches and fills.
- HPCOLOR
-
Sets a default color
for new hatches.
- HPDLGMODE
-
Controls the display
of the Hatch and Gradient dialog box and the Hatch Edit dialog box.
- HPISLANDDETECTION
-
Controls how islands
within the hatch boundary are treated.
- HPISLANDDETECTIONMODE
-
Controls how islands
within the hatch boundary are treated.
- HPLAYER
-
Specifies a default
layer for new hatches and fills.
- HPQUICKPREVIEW
-
Controls whether to
display a preview when specifying internal points for a hatch.
- HPTRANSPARENCY
-
Sets the default transparency
for new hatches and fills.
- LEGACYCTRLPICK
-
Specifies the keys for
selection cycling and the behavior for Ctrl+click.
- MATBROWSERSTATE
-
Controls the state of
the Materials Browser.
- MATEDITORSTATE
-
Indicates whether the
Materials Editor is open or closed.
- MATERIALSPATH
-
Specifies the path of
the materials libraries.
- MATSTATE
-
Indicates whether the
Materials Editor is open or closed.
- MAXTOUCHES
-
Identifies the number
of touch points supported by connected digitizers.
- MIRRHATCH
-
Controls how MIRROR
reflects hatch patterns.
- NAVBARDISPLAY
-
Controls the display
of the navigation bar in all viewports.
- NAVVCUBEDISPLAY
-
Controls the display
of the ViewCube tool in the current visual style and the current
viewport.
- OBJECTISOLATIONMODE
-
Controls whether hidden
objects remain hidden between drawing sessions.
- PLOTTRANSPARENCYOVERRIDE
-
Controls whether object
transparency is plotted.
- POINTCLOUDAUTOUPDATE
-
Controls whether a point
cloud is regenerated automatically after manipulation, panning,
zooming, or orbiting.
- POINTCLOUDDENSITY
-
Controls the number
of points displayed at once for all point clouds in the drawing
view.
- POINTCLOUDLOCK
-
Controls whether an
attached point cloud can be manipulated, moved, or rotated.
- POINTCLOUDRTDENSITY
-
Improves performance
by degrading the number of points displayed in the drawing view
zooming, panning, or orbiting in real time.
- PREVIEWFACEEFFECT
-
Specifies the visual
effect used for previewing selection of face subobjects.
- QPMODE
-
Sets the on or off state
of Quick Properties palette.
- REBUILD2DCV
-
Sets the number of control
vertices when rebuilding a spline.
- REBUILD2DDEGREE
-
Sets the global degree
when rebuilding a spline.
- REBUILD2DOPTION
-
Sets the global degree
when rebuilding a spline.
- REBUILDDEGREEU
-
Sets the degree in the
U direction when rebuilding a NURBS surface.
- REBUILDDEGREEV
-
Sets the degree in the
V direction when rebuilding a NURBS surface.
- REBUILDOPTIONS
-
Controls deletion and
trimming options when rebuilding a NURBS surface.
- REBUILDU
-
Sets the number of grid
lines in the U direction when rebuilding a NURBS surface.
- REBUILDV
-
Sets the number of grid
lines in the V direction when rebuilding a NURBS surface.
- RECOVERAUTO
-
Controls the display
of recovery notifications before or after opening a damaged drawing
file.
- ROLLOVEROPACITY
-
Controls the transparency
of a palette while the cursor moves over the palette.
- SCREENMENU
-
Controls whether screen
menus display.
- SELECTIONCYCLING
-
Controls selection cycling
and whether the Selection dialog box is displayed.
- SELECTSIMILARMODE
-
Controls which properties
must match for an object of the same type to be selected with SELECTSIMILAR.
- SETBYLAYERMODE
-
Controls which properties
are selected for the SETBYLAYER command.
- SKPOLY
-
Determines whether the
SKETCH command generates lines, polylines, or splines.
- SKTOLERANCE
-
Determines how closely
the spline fits to the freehand sketch.
- SPLDEGREE
-
Stores the last-used
degree setting for splines and sets the default degree setting for
the SPLINE command when specifying control vertices.
- SPLFRAME
-
Controls the display
of helixes and smoothed mesh objects.
- SPLKNOTS
-
Stores the last-used
knot parameterization for splines and sets the default knot setting
for the SPLINE command when specifying fit points.
- SPLMETHOD
-
Stores the last-used
spline method and sets the default method for the SPLINE command.
- SURFACEASSOCIATIVITY
-
Controls whether surfaces
maintain a relationship with the objects from which they were created.
- SURFACEASSOCIATIVITYDRAG
-
Sets the dragging preview
behavior of associative surfaces to increase performance.
- SURFACEAUTOTRIM
-
Controls whether surfaces
are automatically trimmed when you project geometry onto them.
- SURFACEMODELINGMODE
-
Controls whether surfaces
are created as procedural surfaces or NURBS surfaces.
- TRANSPARENCYDISPLAY
-
Controls whether the
object transparency is displayed.
- VSACURVATUREHIGH
-
Sets the value at which
a surface displays as green during curvature analysis (ANALYSISCURVATURE).
- VSACURVATURELOW
-
Sets the value at which
a surface displays as blue during curvature analysis (ANALYSISCURVATURE).
- VSACURVATURETYPE
-
- VSADRAFTANGLEHIGH
-
Sets the value at which
a model displays as green during draft analysis (ANALYSISDRAFT).
- VSADRAFTANGLELOW
-
Sets the value at which
a model displays as blue during draft analysis (ANALYSISDRAFT).
- VSAZEBRACOLOR1
-
Sets the first color
of the zebra stripes displayed during zebra analysis (ANALYSISZEBRA).
- VSAZEBRACOLOR2
-
Sets the second (contrasting)
color of the zebra stripes displayed during zebra analysis (ANALYSISZEBRA).
- VSAZEBRADIRECTION
-
Controls whether zebra
stripes display horizontally, vertically, or at an angle during
zebra analysis (ANALYSISBRA).
- VSAZEBRASIZE
-
Controls the width of
the zebra stripes displayed during zebra analysis (ANALYSISZEBRA).
- VSAZEBRATYPE
-
Sets the type of zebra
display when using zebra analysis (ANALYSISZEBRA).
- VSEDGELEX
-
Makes edges on 3D objects
extend beyond their intersection for a hand-drawn effect.
- VSOCCLUDEDCOLOR
-
Specifies the color
of occluded (hidden) lines in the visual style applied to the current
viewport.
- VSOCCLUDEDEDGES
-
Controls whether occluded
(hidden) edges are displayed.
- VSOCCLUDEDLTYPE
-
Specifies the linetype
of occluded (hidden) lines in the visual style applied to the current
viewport.
- WSAUTOSAVE
-
Saves changes you made
to a workspace when you switch to another work space.
Deprecated Commands and
System Variables
In this release, the
following commands have been deprecated:
- DYNCONSTRAINTDISPLAY
- IMPRESSION
- RMAT
No system variables have
been deprecated.