0031505: Point Cloud Rendering - fix on-screen statistics about number of visible points
OpenGl_Element now provide methods ::UpdateMemStats() and ::UpdateDrawStats()
for unified request of statistics used by OpenGl_FrameStats instead of direct handling of OpenGl_PrimitiveArray.
Graphic3d_FrameStatsCounter counters list has been extended by Graphic3d_FrameStatsCounter_NbLinesNotCulled.
0031435: Data Exchange - Problem importing STEP files
- Fix recursion in EntityCluster's methods :
- Value
- SetValue
- Append
- Add destructor in the EntityCluster
- Add check null grade in the STEPCAFControl_GDTProperty::GetDimClassOfTolerance
jgv [Mon, 30 Mar 2020 18:18:47 +0000 (21:18 +0300)]
0031470: Modeling Algorithms - Regression: BOP common produces empty result (box and holed sphere)
Approx_ComputeCLine.gxx : new class field is added to manage hang checking.
ProjLib/ProjLib_ComputeApprox.cxx : unset hang checking for analytical surfaces and curves
BRepFeat_Form.cxx: methods IsDeleted, Modified, Generated are corrected
BRepTest_FeatureCommands.cxx: history treatment is added in methods DEFIN and PERF
bugs/modalg_7/bug31469: test case added
emv [Mon, 30 Mar 2020 13:33:53 +0000 (16:33 +0300)]
0031462: Modeling Algorithms - BOP result depends on the arguments order
Eliminate numerical instability by ensuring that the tolerance of intersection entities is slightly grater than the actual distance to the shapes creating the entity.
emv [Mon, 23 Mar 2020 11:52:01 +0000 (14:52 +0300)]
0031461: Mesh - Add possibility to force the meshing of the shape
BRepMesh: Add new mesh parameter *AllowQualityDecrease* which affects the criteria used for checking of the consistency of the existing mesh to new meshing parameters.
So if set to true it will force the meshing of the shape if current deflection strongly vary from the new one, no matter in which side.
BRepTools::Clean: Keep triangulation on non-geometric shapes (faces with no surface or edges with no curves).
kgv [Sat, 14 Mar 2020 10:32:48 +0000 (13:32 +0300)]
0031458: Visualization - refine classes across Prs3d and StdPrs packages
Prs3d::GetDeflection() has been moved to StdPrs_ToolTriangulatedShape::GetDeflection().
Prs3d_ShapeTool has been moved to StdPrs_ShapeTool.
Code collecting free edges on Poly_Triangulation
has been moved out from StdPrs_WFShape to Prs3d::AddFreeEdges().
StdPrs_BndBox has been moved to Prs3d_BndBox.
Geom_Transformation has been replaced by TopLoc_Datum3D within visualization classes.
Select3D_SensitiveCircle constructor now takes gp_Circ instead of Geom_Circle.
StdSelect_ViewerSelector3d has been moved to SelectMgr_ViewerSelector3d.
Methods ::GetPoint3d() and ::ArrayBounds() has been moved
from subclass Select3D_SensitiveCircle to the base class Select3D_SensitiveCurve.
StdSelect_ViewerSelector3d::computeSensitivePrs() has been moved to SelectMgr::ComputeSensitivePrs().
kgv [Sat, 21 Mar 2020 13:31:03 +0000 (16:31 +0300)]
0031456: Visualization - move out Dimensions and Relations from package AIS to PrsDims
The following classes and their subclasses within AIS package
have been moved to new package PrsDim and renamed:
- AIS_Relation -> PrsDim_Relation;
- AIS_Dimension -> PrsDim_Dimension,
abv [Thu, 19 Mar 2020 07:03:40 +0000 (10:03 +0300)]
0031454: Visualization - perceptually uniform color scale
Support of CIE Lab and Lch color spaces is introduced in Quantity_Color:
- Enumeration Quantity_TypeOfColor is extended by new values representing CIE Lab and Lch color spaces (with D65 2 deg illuminant).
- Conversion of RGB color to and from these color spaces is implemented in Quantity_Color class (within existing API).
- Color difference calculation using CIE Delta E 200 formula is implemented in method DeltaE2000().
New methods MakeUniformColors() and SetUniformColors() are added in class AIS_ColorScale, generating and setting color scale based on colors of the same lightness in CIE Lch color model.
DRAW commands vcolorconvert and vcolordiff are added to perform conversions and compute difference, respectively.
A new option -uniform is added in DRAW command vcolorscale, to set uniform color scale.
Added test grid v3d colors (color conversions and difference), test bugs vis bug31454 (uniform color scale)
gka [Mon, 17 Feb 2020 17:24:59 +0000 (20:24 +0300)]
0029803: STEP Import: Units (inch) not applied to entity possessing GEOMETRIC_REPRESENTATION_CONTEXT
Translation of the entities AXIS2_PLACEMENT_3D including in the entity CONSTRUCTIVE_GEOMETRY_REPRESENTATION_RELATIONSHIP was added.
Entity AXIS2_PLACEMENT_3D is translated to the planar face with axis equal to AXIS2_PLACEMENT_3D.
New parameter "read.step.constructivegeom.relationship" is added to enable this translation (by default it is OFF).
- Added Right() method to BRepFeat_SplitShape;
- Added an option in command buc60854, which allows to select Left() or Right() method;
- Modified method BUC60854 in QABugs_14.cxx;
- Added new option to the help of command buc60854;
- Modified test case buc60854. Now its state is "OK";
- Added check Right() in buc60854 test case.
abv [Fri, 20 Mar 2020 20:41:52 +0000 (23:41 +0300)]
0031455: Modeling Algorithms - useless pointer casts in BRepAlgoAPI classes
Useless casts are removed.
Off-topic: corrected description of constructor of TCollection_HAsciiString class from TCollection_HExtendedString for the case when input string contains non-Ascii character.
gka [Thu, 27 Feb 2020 12:26:42 +0000 (15:26 +0300)]
0031301: Data Exchange - Export to STEP corrupts the shape
For small edges fully covered by tolerances of vertices BSpline periodic curves are converted to not periodic BSpline curves by cutting segment before writing.
In the class TopoDSToStep_MakeStepEdge permute of edge vertices for closed curves was added for the case when the range obtained from the vertex projection contradicts the edge range in order to avoid computation of the invalid edge range after reading.
gka [Wed, 26 Feb 2020 13:35:58 +0000 (16:35 +0300)]
0030052: Data Exchange - STEP import missing surfaces
Changes made for #31233 are reverted.
Correction in the ShapeFix_ComposeShell:
Modification of the method SplitByLine in order to find all points of the intersection for case when initial curve shifts in the positive or negative direction
to avoid splitting edge when split point lies in the limits of the tolerance of the vertex.
to correct shift of the pcurves for case when initial shift is more than 1 in the method ShapeFix_ComposeShell::SplitByLine
In the method ShapeFix_Face::FixMissingSeam added removing small edges having length less than working precision and removing wires having area less than working precision
Modified test cases; added test for related issue: bugs step bug31301
Roman Lygin [Sat, 14 Mar 2020 10:49:17 +0000 (13:49 +0300)]
0031430: Offset surfaces on C1 surfaces (with multiplicity equal to degree) may still throw exception
In constructor of Geom_RectangularTrimmedSurface, skip check if an offset surface has insufficient continuity. The reason is that this surface has already passed the check once created. So, here we must not apply more strict check than that first time.
kgv [Thu, 12 Mar 2020 21:35:06 +0000 (00:35 +0300)]
0031424: Visualization - stop using Prs3d_Drawer::HLRAngle() parameter
Prs3d_Drawer, AIS_Shape, AIS_InteractiveContext - removed properties HLRDeviationCoefficient() and HLRAngle().
Prs3d_Drawer::HLRAngle() is kept as alias to Prs3d_Drawer::DeviationAngle() with deprecated flag.
Prs3d_Drawer::DeviationAngle() default value is changed from 12 to 20 degrees
to match Prs3d_Drawer::HLRAngle() which has been previously used in majority of cases.
Removed unused property HLRBRep_PolyAlgo::Angle().
Multiple PrsMgr_PresentableObject::Compute() methods have been replaced by single one
PrsMgr_PresentableObject::computeHLR().
Dummy implementations of previously declared methods have been removed
from AIS classes not implementng HLR presentation.
Class Prs3d_Projector has been removed and Graphic3d_Camera is now passed directly,
so that redundant dependency from HLRAlgo_Projector in Prs3d interfaces has been eliminated.
StdPrs_HLRShape and StdPrs_HLRPolyShape now implement common interface StdPrs_HLRShapeI.
kgv [Wed, 11 Mar 2020 14:06:49 +0000 (17:06 +0300)]
0031425: Visualization - free Edge has selection sensitivity inconsistent to presentation
BRepTools::Triangulation() has been extended with a new parameter for checking Poly_Polygon3D presense within free Edges.
StdPrs_WFShape::Add() now performs auto-triangulation in the same way as StdPrs_ShadedShape::Add().
StdSelect_BRepSelectionTool::GetEdgeSensitive() now creates Select3D_SensitiveSegment instead of Select3D_SensitiveCurve for tessellated segment.
Select3D_SensitiveSegment default sensitivity factor has been changed to 3 pixels to match Select3D_SensitiveCurve.
Test case bug23625_1, added workaround for out-of-range crash in HLRBRep_PolyAlgo on re-triangulated shape.
ifv [Tue, 25 Feb 2020 08:27:28 +0000 (11:27 +0300)]
0031303: Different calculation of offset direction in Adaptor2d_OffsetCurve and Geom2d_OffsetCurve
Calculations in Adaptor2d_OffsetCurve are unified with similar calculations in Geom2d_OffsetCurve using methods extracted from Geom2dEvaluator_OffsetCurve to Geom2dEvaluator.cxx
BRepFill_OffsetWire.cxx, Geom2dGcc_Circ2d2TanRadGeo.cxx, Geom2dGcc_Circ2dTanOnRadGeo.cxx, MAT2d_Circuit.cxx are modified to satisfy changing offset direction.
azv [Thu, 5 Mar 2020 08:07:37 +0000 (11:07 +0300)]
0031407: [Regression to 7.3.0] Extrema does not process parallel circles correctly
Use correct ranges of circles when processing the concentric case. Repeat the range comparison 3 times shifting each time for a half-period to process the extrema between boundary points of arcs.
ifv [Fri, 31 May 2019 13:36:44 +0000 (16:36 +0300)]
0027531: Modeling Algorithms - Make the algorithm Approx_SameParameter more clear and robust
Approx/Approx_SameParameter.cxx,hxx:
Class Approx_SameParameter refactoring. Logic is changed in many places to unify usage, simplify maintenance.
Method Curve2d() is changed to return Geom2d_Curve instead of Geom2d_BSplineCurve. Corresponding message is added to the upgrade guide.
.lxx file is merged into .hxx.
Tangent computation is extracted into special method.
Comparing number of sample points after CheckSameParameter(...) is added to define cases with projection fails.
Undesirable behavior when curves are not same parameterized is fixed.
Geom2dAdaptor/Geom2dAdaptor.cxx: treatment of offset curve is added
Adaptor3d/Adaptor3d_TopolTool.cxx: minor improvement of performance for BSpline surfaces with huge number of knots
Tests were modified according to new behavior of sameparameter algorithm
emv [Fri, 21 Feb 2020 15:19:03 +0000 (18:19 +0300)]
0030386: Modeling Algorithms - Unable to perform Cut operation
Get rid of requirement for the arguments of Boolean operations of type CUT and COMMON to be one-dimensional shape. For FUSE operation this requirement is kept.
OpenGl_FrameStats::updateStructures() now relies on OpenGl_Element inteface
instead of handling OpenGl_PrimitiveArray specifically
for collecting Graphic3d_FrameStatsCounter_EstimatedBytesGeom counter.
OpenGl_PrimitiveArray and OpenGl_Text implement new interface.
nds [Sun, 9 Feb 2020 15:20:13 +0000 (18:20 +0300)]
0030749: Inspectors - compilation under tcl scripts
- 'Search Qt4' is renamed into 'Search Qt'. Configuration uses Qt5 from now. For Qt4 use CMake configuration.
- 'Build Inspector' check box is added. It causes 'tools' toolkits compilation. Activates automatically 'Search Qt' control.
- Many Tcl procedures are extended with additional parameter to giving a directory of processed toolkits. The default directory is 'src', inspector directory is 'tools'. This way is similar Inspector compilation implemented in Cmake build procedure.
- Dependency libraries in DEBUG are stored in __TKDEP_DEBUG__. Qt requires it as names of debug and release libraries are different.
vro [Mon, 14 Oct 2019 07:29:54 +0000 (10:29 +0300)]
0030101: Application Framework - A mistake reading a RealArray attribute with too small value
A case of reading of a very small value was skipped, for example: 2.1219957909652723e-314.
Fixed in XmlMDataStd_RealArrayDriver.cxx and XmlMDataStd_RealListDriver.cxx
// A test file bug29452.xml is extended to check this skipped case.
kgv [Fri, 14 Feb 2020 18:27:58 +0000 (21:27 +0300)]
0031206: Foundation Classes, Message_PrinterSystemLog - log messages to Browser console within Emscripten
Message_PrinterOStream::SetConsoleTextColor() skips color tags in case of Emscripten.
Message_PrinterSystemLog now implements log via emscripten_log().
kgv [Fri, 14 Feb 2020 16:29:51 +0000 (19:29 +0300)]
0031372: Visualization, TKOpenGl - failed to create texture on OpenGL ES 2.0 due to unknown GL_TEXTURE_BASE_LEVEL
OpenGl_Sampler::applySamplerParams() has been corrected to check for OpenGL ES 3.0
when applying GL_TEXTURE_BASE_LEVEL/GL_TEXTURE_MAX_LEVEL parameters.
sshutina [Mon, 10 Feb 2020 13:32:56 +0000 (16:32 +0300)]
0031336: Modeling data - extend BRepPrimAPI_MakeBox with planar shape creation
-Create a new package BRepPreviewAPI, inherited from BRepPrimAPI to create both, valid and degenerative shapes
-Create a new class BRepPreviewAPI_MakeBox for working with a box
Preview can be vertex, edge, rectangle or box
-BRepPrim_GWedge: in the case of non-valid data, the exception does not happen in the constructor, but at the moment of access to the shape
-BRepPrimAPI_MakeBox: myWedge is now not private, but protected, because used in BRepPreviewAPI_MakeBox which inherits from BRepPrimAPI_MakeBox
-Add tests for checking of a creation a preview in tests/geometry/preview (vertex, edge, rectangle, box)
-Update a command "box": add new parameters
nds [Fri, 31 Jan 2020 10:12:45 +0000 (13:12 +0300)]
0030268: Inspectors - improvements in VInspector plugin
- Convert package creation. It is used to prepare some auxiliary presentations/methods to prepare variables for inspector based on occt classes.
- ViewControl package improvement:
Classes for property view, table, table model are implemented to visualize view of properties.
This view is filled by selection in tree if the selected object has implemented DumpJson functionality.
- TreeModel package improvements:
Method InitColumn is implemented in TreeModel_TreeModel to fill default columns in base model. The default columns are:
Name, Visibility, Rows. Additional columns should be added in successors.
Container of root items is moved into the base class
- View package imrovements:
Store preferences: display mode, fit all checked state and type of external context
View_DisplayPreview is added to process preview for selected in tree view objects
hide actions Clear, Multi, Single by default (as selection in tree view or Visibility state of item define which presentations should be displayed or erased)
- ShapeView plugin improvements:
Property View content based on DumpJson (columns in tree view for properties are removed),
Properties for TopoDS_Shape are displayed
Explode shape action in tree view to see content of shape by selected shape type. Type of displayed shapes is only preview, it is not used in export action.
Export shape into BREP. The previous implementation about BREP files in some directory and default view is removed.
- VInspector plugin imrovements:
Property View content based on DumpJson (columns in tree view for properties are removed),
Properties for AIS_InteractiveContext and AIS_InteractiveObject are displayed
obsolete classes to provide properties are removed.
- DFBrowser plugin improvements:
Property View content based on DumpJson is not used yet. But there is the USE_DUMPJSON macro. It's switch off by default.
If switch ON, it creates a Property View filled with DumpJson. It's a way of DFBrowser moving on this property view.
Init uses static variable CDF_Session::CurrentSession()->CurrentApplication to fill plugin if application in plugin is not set but OCAF application exists
- OCC_VERSION_HEX variable used for previous OCCT versions support (before 6.9.0 or 7.2.0) is removed
kgv [Fri, 31 Jan 2020 21:50:04 +0000 (00:50 +0300)]
0031341: Visualization - Graphic3d_Layer::UpdateCulling() ignores Presentation range
Graphic3d_Layer::UpdateCulling() now takes into account BVH_Tree::EndPrimitive().
'vstatprofiler structs' now properly prints number of structures in case of no culling.
kgv [Thu, 30 Jan 2020 14:10:29 +0000 (17:10 +0300)]
0031333: Data Exchange - RWGltf_TriangulationReader::readBuffer() fails to read interleaved buffer at the end of file
Standard_ReadBuffer has been extended with a flag for reading an interleaved data.
RWGltf_TriangulationReader::readBuffer() uses new flag for reading vertex attributes.
oan [Sat, 19 Oct 2019 13:28:55 +0000 (16:28 +0300)]
0028247: Effect of minSize parameter of BRepMesh_IncrementalMesh seems to be too strong Updated description of MinSize parameter of IMeshTools_Parameters
nds [Tue, 28 Jan 2020 09:03:38 +0000 (12:03 +0300)]
0031313: Foundation Classes - Dump improvement for classes
- Provide DumpJson for geometrical, ocaf and visualization classes;
- Change depth parameter of DumpJson (constant is not obligate here)
- Introduce a new macro for transient objects to be called as the first row in DumpJson: OCCT_DUMP_TRANSIENT_CLASS_BEGIN. We need not put the class name in the macro, using get_type_name of Standard_Transient for it.
- change implementation of OCCT_DUMP_CLASS_BEGIN and OCCT_DUMP_TRANSIENT_CLASS_BEGIN. It is not an sentry more and it does not create a new hierarchy level. It appends a new row into the output stream: "className": <className>
- OCCT_DUMP_* does not require semicolon
- class header is included first in source files of TDataStd, TDocStd, TCAFDoc
iko [Tue, 21 Jan 2020 13:01:03 +0000 (16:01 +0300)]
0031275: Visualization, TKOpenGl - handle normal-map texture with Path-Tracing
Base normal map support has been implemented in path tracing (just geometry normal replacement).
Smooth normal adaptation has been implemeneted in order to avoid black areas artefacts during path tracing.
Tangent normal space calcuation has been moved to separate unified function.
Tangent space orthogonalization algorithm has been changed in order to handle all orientations and combinations of UV coordinates.
iko [Thu, 16 Jan 2020 12:55:29 +0000 (15:55 +0300)]
0031302: Visualization, TKOpenGl - wrong tangent space calculation for normal maps
The normal after tangent space calculation has been reverted in order to be in right orientation.
The tangent space calculation has been modified in order to handle back faces with inverted normal.
msv [Fri, 10 Jan 2020 17:59:51 +0000 (20:59 +0300)]
0031292: Data Exchange - SIGSEGV on reading STEP file with references to invalid entities
Changes:
- in StepData_StepReaderData::ReadEntity, make sure that entity handle is not null before calling IsKind() of it.
- in StepData_StepReaderData::SetEntityNumbers, do not invert the sign of entity number of referenced parameter if the second pass is not required. Otherwise, the number -1 (obviously invalid) becomes 1 (invalid, but not obviously) without further correction of it.
- in StepData_UndefinedEntity::ReadRecord, consider the case when the entity number is positive but refers to non-existing entity. In this case literal value will be used instead of null entity for the problematic parameter.
iko [Tue, 24 Dec 2019 13:05:00 +0000 (16:05 +0300)]
0031099: Visualization, TKOpenGl - support Point light source with artistic full cut-off distance
"Range" parameter of point light sources (positional and spot) concidering in PBR has been added.
Angular attenuation parameter of spot light in PBR has been reimplemented based on existing "concentration" parameter.
mzernova [Fri, 13 Dec 2019 08:55:50 +0000 (11:55 +0300)]
0031225: Visualization, TKOpenGl - support cubemap for environment texture within Ray-Tracing
Ray-Tracing now handles IBL and background cubemaps in similar way as PBR.
Ambient light source is handled by Ray-Tracing in similar way as PBR,
e.g. as coefficient for environment map (IBL) or as constant light source.
Test script generating PBR spheres has been moved to Samples
and now shared by PBR and Path-Tracing tests.