Command and System Variable History
 
 
 

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

Displays Help.

HIDEOBJECTS

Hides selected objects.

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

Controls which type of curvature analysis is used with the (ANALYSISCURVATURE).

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:

No system variables have been deprecated.