From 84c5b1aec456f27793e26685de3aca6fa76bd696 Mon Sep 17 00:00:00 2001 From: Andrea Mola Date: Mon, 10 Nov 2014 17:58:50 +0100 Subject: [PATCH] added write support (with tests) for step files --- doc/news/changes.h | 7 + include/deal.II/opencascade/utilities.h | 10 +- source/opencascade/utilities.cc | 18 ++- tests/opencascade/iges_create.cc | 2 +- tests/opencascade/step_create.cc | 58 +++++++ tests/opencascade/step_create.output | 47 ++++++ tests/opencascade/step_files/wigley.step | 190 ++++++++++++++++++++++ tests/opencascade/step_write.cc | 53 ++++++ tests/opencascade/step_write.output | 197 +++++++++++++++++++++++ 9 files changed, 578 insertions(+), 4 deletions(-) create mode 100644 tests/opencascade/step_create.cc create mode 100644 tests/opencascade/step_create.output create mode 100644 tests/opencascade/step_files/wigley.step create mode 100644 tests/opencascade/step_write.cc create mode 100644 tests/opencascade/step_write.output diff --git a/doc/news/changes.h b/doc/news/changes.h index 9c43d0ff51..4ca91ec1cb 100644 --- a/doc/news/changes.h +++ b/doc/news/changes.h @@ -333,6 +333,13 @@ inconvenience this causes.

Specific improvements

    +
  1. New: Added support for STEP files in the OpenCASCADE + wrappers. STEP files can now be imported and exported respectively + with the read_STEP and write_STEP functions. +
    + (Andrea Mola, 2014/11/12) +
    2. +
  2. New: Timer now has get_lap_time() which returns the time lapsed between the last start()/stop() cycle.
    diff --git a/include/deal.II/opencascade/utilities.h b/include/deal.II/opencascade/utilities.h index dd204b4383..40228c69b0 100644 --- a/include/deal.II/opencascade/utilities.h +++ b/include/deal.II/opencascade/utilities.h @@ -112,7 +112,7 @@ namespace OpenCASCADE */ TopoDS_Shape read_IGES(const std::string &filename, const double scale_factor=1e-3); - + /** * Write the given topological shape into an IGES file. */ @@ -129,7 +129,13 @@ namespace OpenCASCADE */ TopoDS_Shape read_STEP(const std::string &filename, const double scale_factor=1e-3); - + + + /** + * Write the given topological shape into an STEP file. + */ + void write_STEP(const TopoDS_Shape &shape, + const std::string &filename); /** * This function returns the tolerance associated with the shape. diff --git a/source/opencascade/utilities.cc b/source/opencascade/utilities.cc index 0ecdf5966a..218342107e 100644 --- a/source/opencascade/utilities.cc +++ b/source/opencascade/utilities.cc @@ -220,7 +220,7 @@ namespace OpenCASCADE Standard_Boolean OK = ICW.Write (filename.c_str()); AssertThrow(OK, ExcMessage("Failed to write IGES file.")); } - + TopoDS_Shape read_STEP(const std::string &filename, const double scale_factor) { @@ -254,6 +254,22 @@ namespace OpenCASCADE return trans.Shape(); // this is the actual translation } + void write_STEP(const TopoDS_Shape &shape, + const std::string &filename) + { + + STEPControl_Controller::Init(); + STEPControl_Writer SCW; + IFSelect_ReturnStatus status; + status = SCW.Transfer(shape, STEPControl_AsIs); + AssertThrow(status = IFSelect_RetDone, ExcMessage("Failed to add shape to STEP controller.")); + + status = SCW.Write(filename.c_str()); + + AssertThrow(status = IFSelect_RetDone, ExcMessage("Failed to write translated shape to STEP file.")); + + + } double get_shape_tolerance(const TopoDS_Shape &shape) { diff --git a/tests/opencascade/iges_create.cc b/tests/opencascade/iges_create.cc index 59ccfa9959..182f737c45 100644 --- a/tests/opencascade/iges_create.cc +++ b/tests/opencascade/iges_create.cc @@ -24,7 +24,7 @@ using namespace OpenCASCADE; int main () { - // Create a bspline passign through the points + // Create a bspline passing through the points std::vector > pts; pts.push_back(Point<3>(0,0,0)); pts.push_back(Point<3>(0,1,0)); diff --git a/tests/opencascade/step_create.cc b/tests/opencascade/step_create.cc new file mode 100644 index 0000000000..1e83f504b5 --- /dev/null +++ b/tests/opencascade/step_create.cc @@ -0,0 +1,58 @@ +//----------------------------------------------------------- +// +// Copyright (C) 2014 by the deal.II authors +// +// This file is subject to LGPL and may not be distributed +// without copyright and license information. Please refer +// to the file deal.II/doc/license.html for the text and +// further information on this license. +// +//----------------------------------------------------------- + +// Create a bspline, and write it as an IGES file. + +#include "../tests.h" +#include +#include + +#include +#include +#include +#include + +using namespace OpenCASCADE; + +int main () +{ + // Create a bspline passing through the points + std::vector > pts; + pts.push_back(Point<3>(0,0,0)); + pts.push_back(Point<3>(0,1,0)); + pts.push_back(Point<3>(1,1,0)); + pts.push_back(Point<3>(1,0,0)); + + TopoDS_Edge edge = interpolation_curve(pts); + write_STEP(edge, "tmp.step"); + std::ifstream in("tmp.step"); + std::ofstream out("output"); + std::string line; + unsigned int counter = 0; + + while(std::getline(in,line)) + { + counter++; + if ( (counter == 4) || + (counter == 5) || + (counter == 6) || + (counter == 18) || + (counter == 19) ) + { + } + else + out << line << std::endl; + } + in.close(); + out.close(); + return 0; +} + diff --git a/tests/opencascade/step_create.output b/tests/opencascade/step_create.output new file mode 100644 index 0000000000..1c2964058e --- /dev/null +++ b/tests/opencascade/step_create.output @@ -0,0 +1,47 @@ +ISO-10303-21; +HEADER; +FILE_DESCRIPTION(('Open CASCADE Model'),'2;1'); +FILE_SCHEMA(('AUTOMOTIVE_DESIGN_CC2 { 1 2 10303 214 -1 1 5 4 }')); +ENDSEC; +DATA; +#1 = APPLICATION_PROTOCOL_DEFINITION('committee draft', + 'automotive_design',1997,#2); +#2 = APPLICATION_CONTEXT( + 'core data for automotive mechanical design processes'); +#3 = SHAPE_DEFINITION_REPRESENTATION(#4,#10); +#4 = PRODUCT_DEFINITION_SHAPE('','',#5); +#5 = PRODUCT_DEFINITION('design','',#6,#9); +#6 = PRODUCT_DEFINITION_FORMATION('','',#7); +#8 = MECHANICAL_CONTEXT('',#2,'mechanical'); +#9 = PRODUCT_DEFINITION_CONTEXT('part definition',#2,'design'); +#10 = GEOMETRICALLY_BOUNDED_WIREFRAME_SHAPE_REPRESENTATION('',(#11,#15), + #26); +#11 = AXIS2_PLACEMENT_3D('',#12,#13,#14); +#12 = CARTESIAN_POINT('',(0.,0.,0.)); +#13 = DIRECTION('',(0.,0.,1.)); +#14 = DIRECTION('',(1.,0.,-0.)); +#15 = GEOMETRIC_CURVE_SET('',(#16)); +#16 = TRIMMED_CURVE('',#17,(#24,PARAMETER_VALUE(0.)),(#25, + PARAMETER_VALUE(3.)),.T.,.PARAMETER.); +#17 = B_SPLINE_CURVE_WITH_KNOTS('',3,(#18,#19,#20,#21,#22,#23), + .UNSPECIFIED.,.F.,.F.,(4,1,1,4),(0.,1.,2.,3.),.QUASI_UNIFORM_KNOTS.); +#18 = CARTESIAN_POINT('',(0.,0.,0.)); +#19 = CARTESIAN_POINT('',(-0.388888888889,0.5,0.)); +#20 = CARTESIAN_POINT('',(-0.166666666667,1.166666666667,0.)); +#21 = CARTESIAN_POINT('',(1.166666666667,1.166666666667,0.)); +#22 = CARTESIAN_POINT('',(1.388888888889,0.5,-0.)); +#23 = CARTESIAN_POINT('',(1.,0.,0.)); +#24 = CARTESIAN_POINT('',(0.,0.,0.)); +#25 = CARTESIAN_POINT('',(1.,0.,0.)); +#26 = ( GEOMETRIC_REPRESENTATION_CONTEXT(3) +GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#30)) GLOBAL_UNIT_ASSIGNED_CONTEXT( +(#27,#28,#29)) REPRESENTATION_CONTEXT('Context #1', + '3D Context with UNIT and UNCERTAINTY') ); +#27 = ( LENGTH_UNIT() NAMED_UNIT(*) SI_UNIT(.MILLI.,.METRE.) ); +#28 = ( NAMED_UNIT(*) PLANE_ANGLE_UNIT() SI_UNIT($,.RADIAN.) ); +#29 = ( NAMED_UNIT(*) SI_UNIT($,.STERADIAN.) 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+#148 = ( LENGTH_UNIT() NAMED_UNIT(*) SI_UNIT($,.METRE.) ); +#149 = ( NAMED_UNIT(*) PLANE_ANGLE_UNIT() SI_UNIT($,.RADIAN.) ); +#150 = ( NAMED_UNIT(*) SI_UNIT($,.STERADIAN.) SOLID_ANGLE_UNIT() ); +#151 = UNCERTAINTY_MEASURE_WITH_UNIT(LENGTH_MEASURE(1.E-07),#148, + 'distance_accuracy_value','confusion accuracy'); +#152 = PRODUCT_TYPE('part',$,(#7)); +ENDSEC; +END-ISO-10303-21; diff --git a/tests/opencascade/step_write.cc b/tests/opencascade/step_write.cc new file mode 100644 index 0000000000..3b1abaf2d8 --- /dev/null +++ b/tests/opencascade/step_write.cc @@ -0,0 +1,53 @@ +//----------------------------------------------------------- +// +// Copyright (C) 2014 by the deal.II authors +// +// This file is subject to LGPL and may not be distributed +// without copyright and license information. Please refer +// to the file deal.II/doc/license.html for the text and +// further information on this license. +// +//----------------------------------------------------------- + +// Read a file in iges format, and write it out again in the same +// format. + +#include "../tests.h" +#include +#include + +#include +#include +#include +#include + +using namespace OpenCASCADE; + +int main () +{ + TopoDS_Shape sh = read_STEP(SOURCE_DIR "/step_files/wigley.step"); + write_STEP(sh, "tmp.step"); + std::ifstream in("tmp.step"); + std::ofstream out("output"); + std::string line; + unsigned int counter = 0; + + while(std::getline(in,line)) + { + counter++; + if ( (counter == 4) || + (counter == 5) || + (counter == 6) || + (counter == 18) || + (counter == 19) ) + { + } + else + out << line << std::endl; + } + + + in.close(); + out.close(); + return 0; +} diff --git a/tests/opencascade/step_write.output b/tests/opencascade/step_write.output new file mode 100644 index 0000000000..4139e07184 --- /dev/null +++ b/tests/opencascade/step_write.output @@ -0,0 +1,197 @@ +ISO-10303-21; 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