The following changes have been made for improving the offset algorithm:
1. Multi-connexity support - intersection of the faces connected to the edge belonging to more than two faces is now performed.
2. Avoid intersection of the faces connected through internal edge.
3. Filling gaps (holes) in the splits of the created offset faces to increase possibility of creation of the closed volume from these splits.
Test cases for the issue.
Boolean Operations - Force the face with internal edges to be treated by the BuilderFace algorithm. It is needed for the cases when internal edges of the face go from side to side and should really split the face.
Test case for the issue.
Implementation of the new class *BOPAlgo_MakeConnected* for making the group of touching same-dimensional shapes connected.
Provide the material association for the first sub-elements of the input shapes.
Provide possibility to make the connected shape periodic.
Draw commands for new algorithm:
* makeconnected - make the input shapes connected or glued, performs material associations;
* cmaterialson - returns the materials located on the requested side of a shape;
* cmakeperiodic - makes the connected shape periodic in requested directions;
* crepeatshape - repeats the periodic connected shape in requested directions requested number of times;
* cperiodictwins - returns all periodic twins for the shape;
* cclearrepetitions - clears all previous repetitions of the periodic shape, keeping the shape periodic.
Documentation & test cases for the new algorithm.
Implementation of the new class *BOPAlgo_MakePeriodic* for making the shape periodic in 3D space.
Periodicity of the shape means that the shape can be repeated in any periodic direction any number of times without creation of the new geometry or splits.
The idea of this algorithm is to make the shape look similarly on the opposite sides or on the period bounds of periodic directions.
It does not mean that the opposite sides of the shape will be mirrored. It just means the the opposite sides of the shape should be split by each other and obtain the same geometry on opposite sides.
Such approach will allow repeating the shape, i.e. translating the copy of a shape on the period, without creation of new geometry because there will be no coinciding parts of different dimension.
Draw commands for the new algorithm:
* makeperiodic - makes the shape periodic in required directions;
* repeatshape - repeats the periodic shape in requested periodic direction;
* periodictwins - returns the periodic twins for the shape;
* clearrepetitions - clears all previous repetitions of the periodic shape.
Documentation & test cases for the algorithm.
Added protection against clash of attributes with the same GUID when more than one attribute of the same type but with different GUIDs are stored in the file.
If attribute with default GUID has already been read, then adding next empty attribute of the same type (done at start of its reading) will fail; in such case another attempt is made with Null GUID.
Information on replacement of CDM_MessageDriver by Message_Messenger is added in the upgrade guide.
This replacement is recorded as rename in upgrade.dat
- XCAFNoteObjects_NoteObject transfer object for note's auxiliary data was added. It contains the following fields:
text and attachment positions, note plane and tesselated presentation
- GetObject/SetObject methods were added to XCAFDoc_Note attribute. The following sub-labels were added to handle transfer object:
1 - text position
2 - note plane
3 - attachment point
4 - tesselated presentation
- documentation updated
Off-topic: procedure genproj now gives meaningful error message if new package is added but not listed in UDLIST
In the method STEPCAFControl_Reader::ExpandShell protection for case when entity ""Connected_Face_Set" contains not only "FACE" entities ( for example "VERTEX_POINT" entities) was added.
OpenGl_Structure::Render(), added missing check for disabled state of the plane.
vclipplane command has been extended with new option -setOverrideGlobal.
The API classes in the package BRepAlgo providing access to old Boolean operations (Fuse, Common, Cut, Section) are marked as deprecated.
Corresponding classes from the package BRepAlgoAPI should be used instead.
Problem is fixed by the fix for the issue #0028599 (porting of the BRepProj_Projection to modern Boolean Operations algorithm)
Thus, only test case is integrated here.
Introduced new method AIS_InteractiveContext::ClearDetected() allowing
to reset the list of detected objects and clear dynamically highlighted
entity under mouse cursor after previous AIS_InteractiveContext::MoveTo().
vmoveto command has been extended with new argument -reset.
- TNaming_UsedShapes is corrected to do not call methods of empty TopoDS_Shape
- TNaming_NamedShape is corrected to have not NULL TNaming_RefShape even if TopoDS_Shape is NULL(TNaming_Builder::Delete).
- DFBrowserPane presentation tree item for this is corrected in the same way and obsolete methods of processing SortedReferences are removed.
- AIS_InteractiveContex and VInspector_ViewModelHistory are set into VInspector_CallBack
- minor correction of displaySelectedPresentations () to Hide/Show(by popup menu) any AIS_InteractiveObject, not only AIS_Shape (e.g. AIS_Trihedron)
new Model->DFBrowser action to start Inspector tool with active DFBrowser plugin filled by the sample OCAF application.
To update content of the DFBrowser, use <F5> shortcut.
The method *BRepTools::UpdateFaceUVPoints* has been modified to resets the UV points of the edge to the bounding points of the parametric curve of the edge on the face.
Test cases for the issue.
Adjust test cases heal split_angle_advanced ZC3, ZE6, ZE9 for current behavior as they show less faulty shapes now.
Adjust test case bugs modalg_6 bug21246 as it works correctly now.
When checking if the split edge is oriented as the original one (BOPTools_AlgoTools::IsSplitToReverse()) the tangent vectors should be computed for both edges at the same point. This point is taken on the split edge and projected on the original edge.
The fix is intended to ensuring that the reference point will be taken inside the valid range of the split edge (i.e. not covered by the tolerance spheres of its bounding vertices) and the projection of this point on the original edge will be successful. Moreover, several sampling points are now taken on the split edge and processed until first valid point is found.
If requested (by a not null pointer) all *BOPTools_AlgoTools::IsSplitToReverse()* methods are now return the error status of the check. Before using the returned flag, the calling program should check this error status. For successful check the error status should be equal to zero.
New warning *BOPAlgo_AlertUnableToOrientTheShape* is now returned in the algorithms in Boolean component in case the check for correct shape orientation failed.
Test case for the issue.
Avoid splitting of wrong edge in ShapeFix_IntersectionTool.
Added protection for case when index of edge to be split is out of range.
Added test bugs heal bug29695
Implementation of the mechanism for unification of the history commands for all OCCT algorithms.
The following Draw commands should be used to track the history of shapes modifications of any operation:
- modified - to find the shapes modified from the given shape in the given history.
- generated - to find the shapes generated from the given shape in the given history.
- isdeleted - to check if the given shape has been deleted during operation.
The mechanism allows fast & easy enabling of the DRAW history support for the algorithms supporting the history on the API level (i.e. the algorithm should have the methods Modified(), Generated() and IsDeleted()).
To enable the draw history support it is necessary to store the history of the algorithm into the session. For instance:
TopTools_ListOfShape Objects = ...; // Objects
TopTools_ListOfShape Tools = ...; // Tools
BRepAlgoAPI_Cut aCut(Objects, Tools); // Boolean cut operation
BRepTest_Objects::SetHistory(Objects, aCut); // Store the history for the Objects (overwrites the history in the session)
BRepTest_Objects::AddHistory(Tools, aCut); // Add the history for the Tools
To get the stored history in draw the command "savehistory" should be used. It saves the history kept in session into a Drawable object with the given name:
# perform cut
bcut r s1 s2
# save history of cut
savehistory cut_history
explode s1 f
modified m cut_history s1_1
The Draw History commands of the following algorithms have been removed:
- Boolean Operations;
- Defeaturing;
- Unify same domain;
- Sweep;
- Thrusections;
All these algorithms have been switched to support the new Draw history mechanism.
The Fillet and Blend algorithms have been also enabled to support history commands.
- BUILD_SAMPLES_MFC instead of BUILD_MODULE_MfcSample
- BUILD_SAMPLES_QT instead of BUILD_MODULE_QtSample
- sub-folder "mfc" of Samples folder in VStudio for mfc samples
- qt processing of *.ts resource files is corrected to avoid excessive projects creation under Samples folder in VStudio
