Eyeshot Nurbs

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Eyeshot Nurbs with Subscription 4.1

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What's New in Eyeshot 4.1?

• Import/export of the STEP file format
• Import of solid entities from Autodesk
• Import of solid entities from IGES
• Parallel entities regeneration
• Geometry simplification during interactive actions
• Active toolbar during interactive actions

What's New in Eyeshot 4.0?

Eyeshot Viewport

• Improved interactive zoom and rotate
• Rotate to face command
• HiddenLines display mode
• Display mode settings
• Vector based imaging/printing with analytical hidden lines removal
• Vector based copy to clipboard and export to *.dwg, *.dxf and *.emf
• Customizable ToolBar
• Redesigned ProgressBar
• Customizable viewport border
• Legend as a standard User Interface element available to all product editions
• Improved render to bitmap
• Option to keep the Grid behind the drawing

Eyeshot Entities

• Composite curve
• Radial and diametric dimensions
• Fem
• 3D linear and quadratic FEM elements
• 3D FEM solver
• 2D and 3D Joint elements
• Support for nodal temperature
• Reactions computation
• 15 different result plots
• Ability to import Lusas files
• Modeling tools
• Mesh, Solid and Surface section
• Mesh, Solid and Surface sweep
• Curve offset

Miscellaneous

• WorkUnit class to simplify the development of modeling tasks in background
• .NET Framework 4.0 support to take advance of Parallel Extension for .NET in triangulation, meshing and FEM solver

What's New in Eyeshot 3.1?

• Support for semi-transparent bitmaps in Picture entity
• Support for AutoCAD 2010 file format
• Small entities drawing optimization

What's New in Eyeshot 3.0.598?

• Fixed Surface.ExtractEdges() returning not cloned curves
• Fixed import of LWPolyline entity elevation
• Fixed improper turntable rotation axis for Y axis up viewport orientation mode
• Added the ViewportStandard.GetAllVisibleEntities() method
• Fixed aligment of MText entity import
• Fixed inverted minor/major radius for Ellipse and EllipticalArc entities
• Added the Surface.ExtractEdges(), RebuildEdge() and RebuildEdges() methods
• Renamed the Surface.ExtractCurve() to ExtractEdge() and LiftCurve()
• Fixed negative angle arc import
• Fixed isocurves not drawn for surfaces inside a block
• Added support for selection when clipping planes are active

What's New in Eyeshot 3.0.508.0?

• Fixed incorrect volume for solid objects created from triangles
• Fixed print preview crash when AutoHideLabels is active
• Renamed the LabelBase class to Label
• Added isocurve drawing for Solid entity
• Improved drawing of Solid entity
• Renamed meshEdgeStyleType.All to None
• Fixed Picture entity not drawn in the correct color
• Changed animation now uses the BlockReference.MoveTo() method
• Changed Entity.Draw(), DrawWireframe(), Render(), DrawEdges() methods now accept no arguments
• Renamed backFaceColorType to backfaceColorMethodType
• Fixed line/point weight determined by layer
• Fixed drawing of nested block references
• Fixed wrong decimal separator in OBJ export
• Added a new ViewportStandard.ZoomFit() override with the selectedOnly parameter
• Fixed Viewport.Layers.RemoveLayer() not acting on blocks collection
• Added bidirectional support for Attributes and XData
• Fixed selection of solid entities
• Fixed display of entities with size less than 1e6
• Added Viewport.Entities.FrontFacingOnly flag to improve the semitransparent entity drawing speed
• Added Viewport.Entities.MaxCandidates property to control semitransparent entity preprocessing speed

What's New in Eyeshot 3.0?

Eyeshot 3.0 Entities

• Sketch plane constructors
• Picture entity
• More flexible AlignedDim
• More powerful Mesh entity
• More powerful PointCloud entity
• PlanarSurface, TabSurface and RevSurface

Eyeshot 3.0 Viewport

• Layer support
• Automatic visual refinement tolerance estimation
• New animation kernel based on Block/BlockReference
• Curves and surfaces trim/intersection
• Auto hide labels
• Select by box enclosed selection method
• GetAllVisibleEntities(), GetAllCrossingEntities() and GetAllEnclosedEntities() methods
• Faster Fem mesher and solver engines
• Line types support
• Full transparency support
• Smart tags

Eyeshot 3.0 Import/Export

• Improved block reference support
• Export to OBJ with full material support
• Export to ASCII STL with multipart support

What's New in Eyeshot 2.0?

• Local rotation
• Zoom at cursor position
• Full design time support in Visual Studio
• Quaternion based Camera object
• Viewport orientation mode
• Fully customizable Grid object
• Up to four independent lights
• Up to four independent clipping planes
• New shadow algorithm
• Point cloud and multicolor point cloud entities
• Aligned dimension entity
• Shaded and wireframe display mode
• International character support
• Entity copy and paste through Windows clipboard
• Cubic, cylindrical and spherical texture mapping for RichMesh entity
• Improved graphics hardware support

Eyeshot Nurbs Edition provides NURBS based curve and surface modeling functions.
With a growing set of modeling functions, this component includes a state of the art Nurbs curve and surface formulation.

Eyeshot Nurbs Key Benefits

• The first NURBS library written in a modern programming language
• NURBS construction and manipulation
• Trimmed surface construction and tessellation
• IGES, DWG/ DXF, STL, OBJ translation options

Eyeshot Nurbs Feature List (in addition to Professional Edition Features)

Creation of NURBS curves

• Circles and circular arcs
• Straight line segments

Creation of NURBS surfaces

• Bilinear surfaces and planes
• Cones and cylinders (full or patches)
• Spheres and tori (full or patches)
• General extruded surfaces (TABCYL)
• Ruled surfaces
• Surfaces of revolution (full or partial)

Evaluation of NURBS curves and surfaces

• Compute point and derivatives of arbitrary order on a NURBS curve
• Compute point and partial derivatives of arbitrary order on a NURBS surface
• Compute the surface normal vector at a given point
• Compute curvature on curves and surfaces

B-spline and NURBS basis functions

• Evaluation of rational and non-rational basis functions
• Computation of single or all nonzero functions
• Derivatives of arbitrary order
• Global maximum and maximum in each span

Creation of curves by data fitting

• Global curve interpolation to point data (arbitrary degree)
• Global curve interpolation to point and end derivative data (arbitrary degree)
• Cubic spline curve interpolation

Tessellation

• Triangular tessellation of trimmed surfaces
• Automatic texture coordinates generation
• Curve length calculation
• Surface area calculation

Intersection & Trim

• Curve and surface intersection calculation
• Curve and surface trim by a limiting entity

Reverse parameter direction of a curve or surface

Total area and volume calculation of closed surface models