What's New?

January 18, 2007

New method added: IsVisibleInView.
New method added: LineFitFromPoints.
New method added: PlaneFitFromPoints.

What's New in RhinoScript 4.0?

New Methods

Method	Description
AddAlias	Adds a command alias to Rhino.
AddArc	Adds an arc curve.
AddEllipse	Adds an elliptical curve.
AddEllipse3Pt	Adds a 3 point elliptical curve.
AddInterpCrvOnSrfUV	Adds an interpolated curve on a surface using surface uv coordinates.
AddPlaneSurface	Adds a plane surface.
AddStartupScript	Adds a startup script to RhinoScript.
AddSubCrv	Adds a new curve based on a portion of an existing curve.
AliasCount	Returns the number of command aliases.
AliasMacro	Returns or modifies the macro of a command alias.
AliasNames	Returns a list of all alias names.
AttributeDataCount	Returns the number of RhinoScript user data items stored on an object's attributes.
CapPlanarHoles	Cap planar holes in a surface or polysurface.
CompareGeometry	Determines if two objects are geometrically identical.
CurveArcLengthPoint	Returns an arc length point on a curve.
CurveArea	Returns the area of a closed planar curve.
CurveAreaCentroid	Returns the area centroid of a closed planar curve.
CurveDeviation	Returns the deviation between two curves.
CurveFrame	Returns a plane at a parameter.
CurvePerpFrame	Returns a perpendicular plane at a parameter.
CurvePlane	Returns the plane in which a planar curve lies.
DeleteAlias	Deletes a command alias from Rhino.
DeleteAttributeData	Removes RhinoScript user data stored on an object's attributes.
DeleteStartupScript	Removes a startup script to RhinoScript.
DimensionStyle	Returns or modifies the dimension style of a dimension object.
DimStyleLeaderArrowSize	Returns or changes the leader arrow size of a dimension style.
DisjointMeshCount	Returns the number of meshes that could be created by calling SplitDisjointMesh.
DistanceToPlane	Returns the distance from a plane to a point.
DuplicateEdgeCurves	Duplicates the edge curves of a surface or polysurface.
ExpandLayer	Expands or contracts a layer.
FairCurve	Fairs a curve object.
FlipSurface	Returns or modifies the normal direction of a surface.
GetAttributeData	Returns a RhinoScript user data item stored on an object's attributes.
GetBoolean	Displays boolean command-line option toggles.
GetLayer	Displays a layer selection dialog box.
GetLinetype	Displays a linetype selection dialog box.
GetPlugInObject	Returns a scriptable object from a plug-in.
GetPointCoordinates	Prompts the user to pick point objects, and returns their coordinates.
GetPrintWidth	Displays a print width selection dialog.
InsertBlock	Inserts a block whose definition already exists in the document.
IsAlias	Verifies that a command alias exists.
IsAttributeData	Verifies that an object's attributes contains RhinoScript user data.
IsLayerChildOf	Verifies a layer is a child of another layer.
IsLayerExpanded	Verifies a layer is expanded.
IsLayerParentOf	Verifies a layer is a parent of another layer.
IsLinetype	Verifies a linetype exists.
IsLinetypeReference	Verifies a linetype is reference.
IsOrdinateDimension	Verifies an object is an ordinate dimension.
IsPlaneSurface	Verifies an object is a plane surface.
IsToolbarDocked	Verifies a visible toolbar is docked.
IsVectorParallelTo	Compares two vectors to see if they are parallel.
IsVectorPerpendicularTo	Compares two vectors to see if they are perpendicular.
IsVectorTiny	Verifies a vector is tiny.
IsVectorZero	Verifies a vector is zero.
LayerChildCount	Returns the number of child layers of a layer.
LayerChildren	Returns the names of a layer's child layers.
LayerLinetype	Returns or changes a layer's linetype.
LayerLocked	Returns or changes a layer's locked property.
LayerPrintColor	Returns or changes a layer's print color.
LayerPrintWidth	Returns or changes a layer's print width.
LayerVisible	Returns or changes a layer's visibility property.
LinetypeCount	Returns the number of linetypes.
LinetypeNames	Returns the names of all linetypes.
MeshHasFaceNormals	Verifies a mesh object has face normals.
MeshHasTextureCoordinates	Verifies a mesh object has texture coordinates.
MeshHasVertexColors	Verifies a mesh object has vertex colors.
MeshHasVertexNormals	Verifies a mesh object has vertex normals.
MeshOffset	Offsets a mesh object.
MeshVertexColors	Returns or modifies the vertex colors of a mesh object.
MovePlane	Moves the origin of a plane.
ObjectDump	Returns a detailed description of the object.
ObjectLinetype	Returns or changes an object's linetype.
ObjectLinetypeSource	Returns or changes an object's linetype source.
ObjectNames	Returns or changes the names of one or more objects.
OffsetCurve	Offsets a curve.
OffsetSurface	Offsets a surface.
ParentLayer	Returns a layer's parent layer.
PI	Returns the PI constant.
PlaneClosestPoint	Returns the closest point on a plane from a point.
PlaneEquation	Returns the equation of a plane.
PlaneFromFrame	Creates a plane from an origin point, x-axis direction, and y-axis direction.
PlaneFromNormal	Creates a plane from an origin point, and a normal direction.
PlaneFromPoints	Creates a plane from three non-colinear points.
PointAdd	Adds a point or a vector to a point.
PointCompare	Compares two points.
PointDivide	Divides a point by a value.
PointScale	Scales a point by a value.
PointSubtract	Subtracts a point or a vector from a point.
PointTransform	Transforms a point.
Polar	Returns the 3D point that is a specified angle and distance from a 3D point.
PullCurveToMesh	Pulls a curve object to a mesh object.
PullPoints	Pulls an array of points to a surface or mesh object.
RemapObject	Remaps an object to a different coordinate system.
RemapObjects	Remaps one or more objects to a different coordinate system.
RotatePlane	Rotates a plane.
RotateView	Rotates a view by an angle.
SetAttributeData	Adds or sets a RhinoScript user data item stored on an object's attributes.
ShortPath	Creates the shortest possible curve (geodesic) between two points on a surface.
ShrinkTrimmedSurface	Shrinks a surfaces or polysurfaces underlying untrimmed surfaces near to trimming boundaries.
SimplifyArray	Converts an array of 3D ponts into a single-dimensional array.
SortPointList	Sorts an array of 3D points.
SortStrings	Sorts an array of strings.
SplitBrep	Splits a brep with another brep.
SplitDisjointMesh	Splits up a mesh object into its unconnected pieces.
StartupScriptCount	Returns the number of startup scripts.
StartupScriptList	Return the list of startup script files.
SurfaceCurvatureAnalysis	Returns the curvature of a surface.
SurfaceFrame	Returns the plane, or frame, of a surface at a U,V parameter.
SurfacePrincipalCurvature	Adds curvature curves at the evaluated point on a surface.
ToDegrees	Converts an angle in radians to degrees.
ToRadians	Converts an angle in degrees to radians.
UnifyMeshNormals	Fixes inconsistencies in the directions of faces of a mesh object.
VectorAdd	Adds two vectors.
VectorCompare	Compares two vectors.
VectorCreate	Creates a vector from two 3D points.
VectorCrossProduct	Returns the cross product of two vectors.
VectorDivide	Divides a vector.
VectorDotProduct	Returns the dot product of two vectors.
VectorLength	Returns the length of a vector.
VectorMultiply	Multiplies two vectors.
VectorReverse	Reverses a vector.
VectorRotate	Rotates a vector.
VectorScale	Scales a vector.
VectorSubtract	Subtracts two vectors.
VectorUnitize	Unitizes, or normalizes, a vector.
WorldXYPlane	Returns Rhino's world XY plane.
WorldYZPlane	Returns Rhino's world YZ plane.
WorldZXPlane	Returns Rhino's world ZX plane.

Changed Methods

Globally changed the way planes are handled. Planes are now represented as an array of four items: the plane's origin (3D point), the plane's X axis direction (3D vector), the plane's Y axis direction (3D vector) and the plane's Z axis direction (3D vector). In Rhino 3.0 planes were represented as an array of four 3D points: the plane's origin, a point on the plane's X axis, a point on the plane's Y axis, and a point on the plane's Z axis. For more information, see RhinoScript Fundamentals.

Method	Changes
AddCircle	The method has changed.
AddLayer	Additional, optional argument added.
AddLeader	The method has changed.
AddMesh	Additional, optional argument added.
CurveDirectionsMatch	Now supports both open and closed curves.
CurveFilletPoints	Modified to reflect change in plane representation.
CurveTangent	Modified to reflect change in plane representation.
IsCurveInPlane	Modified to reflect change in plane representation.
DeleteLayer	The return value has changed.
GetPointOnSurface	Now works with both surfaces and polysurfaces.
HtmlBox	Additional, optional argument added.
MeshContourPoints	The return value has changed.
NamedCPlane	Modified to reflect change in plane representation.
PlanarClosedCurveContainment	Modified to reflect change in plane representation.
PlanarCurveCollision	Modified to reflect change in plane representation.
PointInPlanarClosedCurve	Modified to reflect change in plane representation.
RotateObject	Modified to reflect change in plane representation.
RotateObjects	Modified to reflect change in plane representation.
Sort	Renamed to SortStrings.
SurfaceContourPoints	The return value has changed.
SurfaceNormal	Modified to reflect change in plane representation.
TextObjectPlane	Modified to reflect change in plane representation.
ViewCPlane	Modified to reflect change in plane representation.
XformCPlaneToWorld	Modified to reflect change in plane representation.
XformWorldToCPlane	Modified to reflect change in plane representation.

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