- Fixed wrong center of rotation after ZoomFit
- Improved ObjectManipulator uniform scaling
- Improved speed of Model.SetCurrent() method
- Added angular and ordinate dimensioning to PaperSpace sample
- Changed the return value of the GetCirclesTangentToTwoCircles() method
- Fixed a crash in the UtilityEx.GetEntitiesStats() method
- Fixed crash after control resize
- Fixed HiddenLines algorithm for entities crossing near frustum plane
- Improved HiddenLinesView class processing speed
- Fixed crash for HiddenLinesView when running asynchronously
- Added import of the hatch pattern name in ReadAutodesk
- Removed extrusion by thickness of zero length lines in ReadAutodesk class
- Fixed import of control points in 2dPolyline and 3dPolyline in ReadAutodesk class
- Fixed bulge factor of SHX fonts in ReadAutodesk
- Added ReadAutodesk.ForegroundColor property to handle ACI colors
- Added export of the display mode to Viewport in WriteAutodesk class
- Fixed export of BlockReference with negative scale factor in WriteAutodesk class
- Fixed export of block names with forbidden characters in WriteAutodesk class
- Fixed Elevation property of polylines with two vertices in WriteAutodesk class
- Added WriteAutodeskParams class constructor with just Model as input parameter
- Improved tessellation for generic NURBS surfaces
- Added Brep.AddFlange() method for sheet metal modeling (article)
- Added Brep.ExtrudeFace() and Brep.RevolveFace() methods for planar faces
- Fixed memory leak in TempEntities release
- Fixed missing edges in TempEntities
- Fixed reading of some degenerated entities in ReadIFC class
- Added support for IfcIndexedPolyCurve in ReadIFC class
- Improved booleans performed during ReadIFC class
- Fixed Mesh dynamic selection
- Texts parallel to the screen are now written as real text in vector printing
- Fixed bug on Legend.TitleFontSize assignment in WPF
- Fixed Model.Print() method with extents parameter set to true in landscape mode
- Fixed bug in Curve.Intersection() method
- Added IReadOnlyList interface to EyeshotCollection class
- Fixed EllipticalArc.GetNurbsForm() for arcs whose angle is almost 360 degrees
- Added CollisionDetection.PrepareDataForCollision() method to precompute the needed data during collision check (detailed discussion here)
- Fixed Collision Detection issue with Accurate mode for Professional edition
- Improved speed of KeyedCollection.Contains() method with benefits in performance when reading files with a large number of layers and blocks
- Added CollisionDetection.Log property avoiding to raise exceptions for unsupported entities
- Added full support for instance visibility to ZoomFit() and UpdateBoundingBox() operations
- Improved shadows drawing during ZPR and magnifying glass with huge models
- Improved speed of first ZoomFit when in ConvexHull mode with the help of a separate thread
- Fixed issue when using a custom font for the BoundingBox label
- Added ObjectManipulator.ScalingStep and TranslationStep properties to ObjectManipulator ball action
- Support tool allows customers to open tickets before the activation of Eyeshot
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