Readers

ACIS
- Fixed curve trimming in coedge
Catia V5
- 3D: Improved transparency reading
IFC
- Fixed extrusions on body en mesh
- Support of entity IfcBlock and IfcEdgeLoop
- Added metadata of material color
Inventor
- Added the 2018 support
- Fixed missing bodies of derived part
- Fixed sheet metal parts
- Improved parsing of color
- Improved parsing of component unit
Parasolid (Datakit Parasolid Reader)
- Support version 30.0
Parasolid (PSKERNEL based Parasolid Reader):
- Support version 30.0
Proe/Creo Reader
- Connectors on geometrie from annotations
- Leading and trailing zero in dimension text improved
- Assembly reading improved
Rhino
- Added split of periodic faces (when activated)
- Implemented reader method GetFileVersion()
- Storing layer names
Step
- Added support of groups of layers (if needed, a LayerInfoSet is created)
- Optimized protection on wrong STEP files
- Improved reading of information attached to Dtk_Node (invisibility, layer, infinite geometry)
- Improved reading of Invisibility and Transparency, on Meshes
- Added creation of Node Connectors on tessellated faces when applicable (reference from FDT)
- Improved reading of BSpline Curves & Surface for special knot sequences
- Improved Split operator on periodic bspline surfaces
- Added rejection of very wrong conical face (when 3D curves are NOT AT ALL on the surface)
- Added reading of a product defined with only parameters (PROPERTY_DEFINITION_REPRESENTATION)
- Accepts COMPOSITE_CURVE not defined with COMPOSITE_CURVE_SEGMENT
- BO XML : for a component in external reference, a mirror component is created to keep information from BO XML (same name, with an instance on the base component named "ExternalReference")
- BO XML : improved reading of PDM data (grouped in sub-nodes, separate for Part21, mirror BO XML, Document data)
- BO XML : reading texts in UTF8 (in the XML files)
- Improved support of missing external file
- Improved reading of Validation Properties : Mesh, UDA, FDT, BO XML
Solidworks
- Added wire curve and point reading
- Fixed parsing errors
- Fixed memory errors especially for Linux version
- Fixed some multiplicities of metadatas
- FDT : Changed BETWEEN symbol character to uniformize with other readings
- 2D/Drawing:
  - Added Dtk_BodyPtr into Dtk_ViewPtr with shading property
  - Fixed errors on tangent edges visibility
  - Fixed reading of plus/minux symbol
  - Improved processing of text innerbox with versions before 2006
  - Improved bitmap processing
Solid Edge
- Added reading of material name
Unigraphics
- Added group with group (see Dtk_SelectionSet::GetSelectionSet)
- Fixed visibility of hidden instance with visible body
- Fixed transparency on NX11
- Fixed metadata definition
- Fixed visibility of Dtk_AxisSystemPtr
- Removed wrong Dtk_ModelDisplayPtr on unused explosion
- 3D/FDT:
  - Added missing geometry link for FDT connector
  - Added missing leader
  - Added missing symbol on weld definition
  - Added missing metadata on instance
  - Added PMI with feature definition
  - Fixed position of text on fraction
  - Fixed name of weld symbol
  - Removed wrong geometry link for FDT connector
  - Removed geometry for Dtk_TextStyle::AttributeUnderline and Dtk_TextStyle::AttributeOverline
  - Removed duplicated polyline for leader
  - Removed duplicated curve for symbol
- 2D/Drawing:
  - Added missing edge geometry for compound body
  - Added missing symbol geometry
  - Added missing symbol
  - Added Dtk_BodyPtr into Dtk_ViewPtr with shading property
  - Added font line style of polyline for leader
  - Fixed position of arrowhead
Catia V4 :
- Enhancement of old Radius Dimensions, and we can read more 3D Text than previously

\section writers_v20173 Writers

3dxmlWriter
- First release of the SDK.
- We support graphical 3DXML (Tessellation xml).

Catia V5

Improved wireframe writing

JtWriter

Support writing version 9.5

NXWriter

Fix problem with multiple wireframe .
Fix layer problems.

StepWrite

Improved writing of geometric links from PMI
Improved writing of FDT : Dimension + Tabulated , Hole Dimension, case of non supported dimension, leader orientation, Tolerance with "ACS"
Protected writing of Datum without graphic presentation
Writing User Attribute : improved case of formula (take estimated value), of property unit
Improved writing of degenerated toroidal surface
Added invisibility for meshes
Improved writing of Transparency (propagation)
Default Schema when writing FDT is activated : is now AP242 insytead of AP203E2
Improved support of non-ascii names
Improved Header (date, case of external references)
Added validation properties on part in the log file
BO XML : improved writing of validation properties