JT General Mapping

Table of Contents

• Mesh
• Assembly
• Body
• Topology
• Surfaces
• Curves
• MetaData
• PMI
• Attributes

Mesh

DATAKIT Class	JT Entity	Remarks
Dtk_mesh	Triangles
Dtk_mesh	Mesh WireFrame	Contain polylines and points
multiple Dtk_mesh	Mesh Level of detail (LOD)
Dtk_RenderInfos	Mesh textures	Not yet supported

Assembly

DATAKIT Class	JT Entity	Remarks
Internal Tree Node	InitChild and CloseChild	Available for BREP and Meshs
	Monolithic JT output	Available
	PerPart JT output	Available
	Shattered JT output	Available

Body

Jt Writer output XTBREP bodies. It means Parasolid bodies are inserted inside JT file.

Topology

DATAKIT Class	JT / Parasolid Entity	Remarks
Dtk_Body	Body
Dtk_Shell	Shell
Dtk_Face	Face
Dtk_Loop	Loop
Dtk_Edge	Edge
Dtk_Edge	Coedge
Dtk_Vertex	Vertex

Surfaces

DATAKIT Class	JT / Parasolid Entity	Remarks
Dtk_NurbsSurface	NURBS Surface
Dtk_ConicalSurface	Cone
Dtk_CylindricalSurface	Cylinder
Dtk_LinearExtrusionSurface	Extrusion surface
Dtk_OffsetSurface	OffsetSurface
Dtk_PlaneSurface	Plane
Dtk_StandardRevolutionSurface	Revolution Surface
Dtk_SphericalSurface	Sphere
Dtk_ToroidalSurface	Torus
Dtk_Surface : other types	NURBS Surface	All other types will be converted to NURBS surfaces

Curves

DATAKIT Class	JT / Parasolid Entity	Remarks
Dtk_Line	Line
Dtk_Ellipse	Ellipse or circle
Dtk_Polyline	Polyline
Dtk_NurbsCurve	NURBS Curve
Dtk_Curve : other types	NURBS Curve	All other types will be converted to NURBS curves

MetaData

DATAKIT Class	JT Entity	Remarks
Dtk_MetaData	Metadatas	JT Stores Metadatas only on leaves nodes, so intermediate metadats will be copied on each leaf node.

PMI

DATAKIT Class	JT Entity	Remarks
Dtk_Symbol (SymbolType() = Dtk_Symbol::TypeDatum)	Datum Feature Symbol	All PMI entities are polylinized, even the text.
Dtk_Symbol (SymbolType() != Dtk_Symbol::TypeDatum)	Notes	All PMI entities are polylinized, even the text.
Dtk_Welding (GetWeldingSymbolArrowSide() = Dtk_Symbol::SymbolFilletWeld)	Fillet Weld	All PMI entities are polylinized, even the text.
Dtk_Welding (GetWeldingSymbolArrowSide() = Dtk_Symbol::SymbolSpotWeld)	Spot Weld	All PMI entities are polylinized, even the text.
Dtk_Dimension	Dimensions	All PMI entities are polylinized, even the text.
Dtk_DatumTarget	Datum Target	All PMI entities are polylinized, even the text.
Dtk_GeometricalTolerance	Feature Control Frames	All PMI entities are polylinized, even the text.
Dtk_Roughness	Surface Finish	All PMI entities are polylinized, even the text.
All other PMI types	Note	All PMI entities are polylinized, even the text.
Dtk_AxisSystem	Axis System
Dtk_ModelDisplay	Modelviews	Some camera glitches
	Connector : PMI to Modelview	Specify if PMI appear in a specific ModelView
	Connector : PMI to PMI	Linked PMI : not yet supported
	Connector : PMI to BREP	not yet supported

Attributes

DATAKIT Class	JT Entity	Remarks
Dtk_RGB	JTColor
Dtk_RGB	Transparency