STEPcomplex * STEPutil::Geometric_Context( const LenEnum & len, const AngEnum & angle, const char * tolstr )
{
int instance_cnt = 0;
STEPattribute * attr;
STEPcomplex * stepcomplex;
SdaiDimensional_exponents * dimensional_exp = new SdaiDimensional_exponents();
dimensional_exp->length_exponent_( 0.0 );
dimensional_exp->mass_exponent_( 0.0 );
dimensional_exp->time_exponent_( 0.0 );
dimensional_exp->electric_current_exponent_( 0.0 );
dimensional_exp->thermodynamic_temperature_exponent_( 0.0 );
dimensional_exp->amount_of_substance_exponent_( 0.0 );
dimensional_exp->luminous_intensity_exponent_( 0.0 );
instance_list->Append( ( SDAI_Application_instance * ) dimensional_exp, completeSE );
instance_cnt++;
STEPcomplex * ua_length;
// First set up metric units if appropriate. Default to mm.
// If imperial units, set up mm to be used as base to define imperial units.
Si_prefix pfx = Si_prefix__milli;
switch( len )
{
case u_CM:
pfx = Si_prefix__centi;
break;
case u_M:
pfx = Si_prefix_unset;
break;
case u_MM:
case u_IN:
case u_FT:
case u_YD:
break;
}
const char * ua_length_types[4] = { "length_unit", "named_unit", "si_unit", "*" };
ua_length = new STEPcomplex( registry, ( const char ** ) ua_length_types, instance_cnt );
stepcomplex = ua_length->head;
while( stepcomplex )
{
if( !strcmp( stepcomplex->EntityName(), "Si_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "prefix" ) )
{
attr->Raw()->e = new SdaiSi_prefix_var( pfx );
}
if( !strcmp( attr->Name(), "name" ) )
{
attr->Raw()->e = new SdaiSi_unit_name_var( Si_unit_name__metre );
}
}
}
stepcomplex = stepcomplex->sc;
}
instance_list->Append( ( SDAI_Application_instance * ) ua_length, completeSE );
instance_cnt++;
// If imperial, create conversion based unit.
if( len >= u_IN )
{
STEPcomplex * len_mm = ua_length;
char lenname[10];
lenname[0] = '\0';
double lenconv;
switch( len )
{
case u_IN:
strcat( lenname, "'INCH'\0" );
lenconv = 25.4;
break;
case u_FT:
strcat( lenname, "'FOOT'\0" );
lenconv = 25.4 * 12.0;
break;
case u_YD:
strcat( lenname, "'YARD'\0" );
lenconv = 25.4 * 36.0;
break;
case u_MM:
case u_CM:
case u_M:
break;
}
SdaiUnit * len_unit = new SdaiUnit( ( SdaiNamed_unit * ) len_mm );
SdaiMeasure_value * len_measure_value = new SdaiMeasure_value( lenconv, config_control_design::t_measure_value );
len_measure_value->SetUnderlyingType( config_control_design::t_length_measure );
SdaiLength_measure_with_unit * len_measure_with_unit = new SdaiLength_measure_with_unit();
len_measure_with_unit->value_component_( len_measure_value );
len_measure_with_unit->unit_component_( len_unit );
instance_list->Append( ( SDAI_Application_instance * ) len_measure_with_unit, completeSE );
instance_cnt++;
SdaiDimensional_exponents * dimensional_exp_len = new SdaiDimensional_exponents();
dimensional_exp_len->length_exponent_( 1.0 );
dimensional_exp_len->mass_exponent_( 0.0 );
dimensional_exp_len->time_exponent_( 0.0 );
dimensional_exp_len->electric_current_exponent_( 0.0 );
dimensional_exp_len->thermodynamic_temperature_exponent_( 0.0 );
dimensional_exp_len->amount_of_substance_exponent_( 0.0 );
dimensional_exp_len->luminous_intensity_exponent_( 0.0 );
instance_list->Append( ( SDAI_Application_instance * ) dimensional_exp_len, completeSE );
instance_cnt++;
const char * ua_conv_len_types[4] = { "conversion_based_unit", "named_unit", "length_unit", "*" };
ua_length = new STEPcomplex( registry, ( const char ** ) ua_conv_len_types, instance_cnt );
stepcomplex = ua_length->head;
while( stepcomplex )
{
if( !strcmp( stepcomplex->EntityName(), "Conversion_Based_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "name" ) )
{
attr->StrToVal( lenname );
}
if( !strcmp( attr->Name(), "conversion_factor" ) )
{
attr->Raw()->c = new( STEPentity * );
*( attr->Raw()->c ) = ( STEPentity * )( len_measure_with_unit );
}
}
}
if( !strcmp( stepcomplex->EntityName(), "Named_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "dimensions" ) )
{
attr->Raw()->c = new( STEPentity * );
*( attr->Raw()->c ) = ( STEPentity * )( dimensional_exp_len );
}
}
}
stepcomplex = stepcomplex->sc;
}
instance_list->Append( ( SDAI_Application_instance * ) ua_length, completeSE );
instance_cnt++;
}
SdaiUncertainty_measure_with_unit * uncertainty = ( SdaiUncertainty_measure_with_unit * )registry->ObjCreate( "UNCERTAINTY_MEASURE_WITH_UNIT" );
uncertainty->name_( "'DISTANCE_ACCURACY_VALUE'" );
uncertainty->description_( "'Threshold below which geometry imperfections (such as overlaps) are not considered errors.'" );
SdaiUnit * tol_unit = new SdaiUnit( ( SdaiNamed_unit * ) ua_length );
uncertainty->ResetAttributes();
{
while( ( attr = uncertainty->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "unit_component" ) )
{
attr->Raw()->sh = tol_unit;
}
if( !strcmp( attr->Name(), "value_component" ) )
{
attr->StrToVal( tolstr );
}
if( !strcmp( attr->Name(), "name" ) )
{
attr->StrToVal( "'closure'" );
}
}
}
instance_list->Append( ( SDAI_Application_instance * ) uncertainty, completeSE );
instance_cnt++;
// First set up radians as base angle unit.
const char * ua_plane_angle_types[4] = { "named_unit", "plane_angle_unit", "si_unit", "*" };
STEPcomplex * ua_plane_angle = new STEPcomplex( registry, ( const char ** ) ua_plane_angle_types, instance_cnt );
stepcomplex = ua_plane_angle->head;
while( stepcomplex )
{
if( !strcmp( stepcomplex->EntityName(), "Si_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "name" ) )
{
attr->Raw()->e = new SdaiSi_unit_name_var( Si_unit_name__radian );
}
}
}
stepcomplex = stepcomplex->sc;
}
instance_list->Append( ( SDAI_Application_instance * ) ua_plane_angle, completeSE );
instance_cnt++;
// If degrees, create conversion based unit.
if( angle == u_DEG )
{
STEPcomplex * ang_rad = ua_plane_angle;
const double angconv = ( 3.14159265358979323846264338327950 / 180.0 );
SdaiUnit * p_ang_unit = new SdaiUnit( ( SdaiNamed_unit * ) ang_rad );
SdaiMeasure_value * p_ang_measure_value = new SdaiMeasure_value( angconv, config_control_design::t_measure_value );
p_ang_measure_value->SetUnderlyingType( config_control_design::t_plane_angle_measure );
SdaiPlane_angle_measure_with_unit * p_ang_measure_with_unit = new SdaiPlane_angle_measure_with_unit();
p_ang_measure_with_unit->value_component_( p_ang_measure_value );
p_ang_measure_with_unit->unit_component_( p_ang_unit );
instance_list->Append( ( SDAI_Application_instance * ) p_ang_measure_with_unit, completeSE );
instance_cnt++;
const char * ua_conv_angle_types[4] = { "conversion_based_unit", "named_unit", "plane_angle_unit", "*" };
ua_plane_angle = new STEPcomplex( registry, ( const char ** ) ua_conv_angle_types, instance_cnt );
stepcomplex = ua_plane_angle->head;
while( stepcomplex )
{
if( !strcmp( stepcomplex->EntityName(), "Conversion_Based_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "name" ) )
{
attr->StrToVal( "'DEGREES'" );
}
if( !strcmp( attr->Name(), "conversion_factor" ) )
{
attr->Raw()->c = new( STEPentity * );
*( attr->Raw()->c ) = ( STEPentity * )( p_ang_measure_with_unit );
}
}
}
if( !strcmp( stepcomplex->EntityName(), "Named_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "dimensions" ) )
{
attr->Raw()->c = new( STEPentity * );
*( attr->Raw()->c ) = ( STEPentity * )( dimensional_exp );
}
}
}
stepcomplex = stepcomplex->sc;
}
instance_list->Append( ( SDAI_Application_instance * ) ua_plane_angle, completeSE );
instance_cnt++;
}
const char * ua_solid_angle_types[4] = { "named_unit", "si_unit", "solid_angle_unit", "*" };
STEPcomplex * ua_solid_angle = new STEPcomplex( registry, ( const char ** ) ua_solid_angle_types, instance_cnt );
stepcomplex = ua_solid_angle->head;
while( stepcomplex )
{
if( !strcmp( stepcomplex->EntityName(), "Si_Unit" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "name" ) )
{
attr->Raw()->e = new SdaiSi_unit_name_var( Si_unit_name__steradian );
}
}
}
stepcomplex = stepcomplex->sc;
}
instance_list->Append( ( SDAI_Application_instance * ) ua_solid_angle, completeSE );
instance_cnt++;
// All units set up, stored in: ua_length, ua_plane_angle, ua_solid_angle
const char * entNmArr[5] = { "geometric_representation_context", "global_uncertainty_assigned_context", "global_unit_assigned_context", "representation_context", "*" };
STEPcomplex * complex_entity = new STEPcomplex( registry, ( const char ** ) entNmArr, instance_cnt );
stepcomplex = complex_entity->head;
while( stepcomplex )
{
if( !strcmp( stepcomplex->EntityName(), "Geometric_Representation_Context" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "coordinate_space_dimension" ) )
{
attr->StrToVal( "3" );
}
}
}
if( !strcmp( stepcomplex->EntityName(), "Global_Uncertainty_Assigned_Context" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "uncertainty" ) )
{
EntityAggregate * unc_agg = new EntityAggregate();
unc_agg->AddNode( new EntityNode( ( SDAI_Application_instance * ) uncertainty ) );
attr->Raw()->a = unc_agg;
}
}
}
if( !strcmp( stepcomplex->EntityName(), "Global_Unit_Assigned_Context" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
std::string attrval;
if( !strcmp( attr->Name(), "units" ) )
{
EntityAggregate * unit_assigned_agg = new EntityAggregate();
unit_assigned_agg->AddNode( new EntityNode( ( SDAI_Application_instance * ) ua_length ) );
unit_assigned_agg->AddNode( new EntityNode( ( SDAI_Application_instance * ) ua_plane_angle ) );
unit_assigned_agg->AddNode( new EntityNode( ( SDAI_Application_instance * ) ua_solid_angle ) );
attr->Raw()->a = unit_assigned_agg;
}
}
}
if( !strcmp( stepcomplex->EntityName(), "Representation_Context" ) )
{
stepcomplex->ResetAttributes();
while( ( attr = stepcomplex->NextAttribute() ) != NULL )
{
if( !strcmp( attr->Name(), "context_identifier" ) )
{
attr->StrToVal( "'STANDARD'" );
}
if( !strcmp( attr->Name(), "context_type" ) )
{
attr->StrToVal( "'3D'" );
}
}
}
stepcomplex = stepcomplex->sc;
}
instance_list->Append( ( SDAI_Application_instance * ) complex_entity, completeSE );
instance_cnt++;
return complex_entity;
}
STEPentity *
Create_Rational_Surface_Aggregate(ON_NurbsSurface *nsurface, ON_Brep_Info_AP203 *info) {
STEPattribute *attr;
STEPcomplex *stepcomplex;
const char *entNmArr[8] = {"bounded_surface", "b_spline_surface", "b_spline_surface_with_knots",
"surface", "geometric_representation_item", "rational_b_spline_surface", "representation_item", "*"};
STEPcomplex *complex_entity = new STEPcomplex(info->registry, (const char **)entNmArr, info->registry->GetEntityCnt() + 1);
/*
stepcomplex = complex_entity->head;
stepcomplex->ResetAttributes();
while (stepcomplex) {
std::cout << stepcomplex->EntityName() << "\n";
while ((attr = stepcomplex->NextAttribute()) != NULL) {
std::cout << " " << attr->Name() << "," << attr->NonRefType() << "\n";
}
stepcomplex = stepcomplex->sc;
stepcomplex->ResetAttributes();
}
*/
/* Set b_spline_surface data */
stepcomplex = complex_entity->EntityPart("b_spline_surface");
stepcomplex->ResetAttributes();
while ((attr = stepcomplex->NextAttribute()) != NULL) {
if (!bu_strcmp(attr->Name(), "u_degree")) attr->ptr.i = new SDAI_Integer(nsurface->Degree(0));
if (!bu_strcmp(attr->Name(), "v_degree")) attr->ptr.i = new SDAI_Integer(nsurface->Degree(1));
if (!bu_strcmp(attr->Name(), "control_points_list")) {
GenericAggregate *control_pnts= new GenericAggregate();
ON_NurbsSurfaceCV_Initialize(nsurface, complex_entity, info);
attr->ptr.a = control_pnts;
info->surf_genagg[(STEPentity*)complex_entity] = control_pnts;
}
if (!bu_strcmp(attr->Name(), "surface_form")) attr->ptr.e = new SdaiB_spline_surface_form_var(B_spline_surface_form__unspecified);
if (!bu_strcmp(attr->Name(), "u_closed")) attr->ptr.e = new SDAI_LOGICAL((Logical)(nsurface->IsClosed(0)));
if (!bu_strcmp(attr->Name(), "v_closed")) attr->ptr.e = new SDAI_LOGICAL((Logical)(nsurface->IsClosed(1)));
if (!bu_strcmp(attr->Name(), "self_intersect")) attr->ptr.e = new SDAI_LOGICAL(LFalse);
}
/* Set knots */
stepcomplex = complex_entity->EntityPart("b_spline_surface_with_knots");
stepcomplex->ResetAttributes();
IntAggregate *u_multiplicities = new IntAggregate();
IntAggregate *v_multiplicities = new IntAggregate();
RealAggregate *u_knots = new RealAggregate();
RealAggregate *v_knots = new RealAggregate();
ON_NurbsSurfaceKnots_to_Aggregates(u_multiplicities, v_multiplicities, u_knots, v_knots, nsurface);
while ((attr = stepcomplex->NextAttribute()) != NULL) {
if (!bu_strcmp(attr->Name(), "u_multiplicities")) attr->ptr.a = u_multiplicities;
if (!bu_strcmp(attr->Name(), "v_multiplicities")) attr->ptr.a = v_multiplicities;
if (!bu_strcmp(attr->Name(), "u_knots")) attr->ptr.a = u_knots;
if (!bu_strcmp(attr->Name(), "v_knots")) attr->ptr.a = v_knots;
if (!bu_strcmp(attr->Name(), "knot_spec")) attr->ptr.e = new SdaiKnot_type_var(Knot_type__unspecified);
}
/* Set weights */
stepcomplex = complex_entity->EntityPart("rational_b_spline_surface");
stepcomplex->ResetAttributes();
while ((attr = stepcomplex->NextAttribute()) != NULL) {
if (!bu_strcmp(attr->Name(), "weights_data")) {
GenericAggregate *weights = new GenericAggregate();
for (int i = 0; i < nsurface->CVCount(0); i++) {
std::ostringstream ss;
ss << "(";
for (int j = 0; j < nsurface->CVCount(1); j++) {
if (j != 0) ss << ", ";
ss << nsurface->Weight(i,j);
}
ss << ")";
std::string str = ss.str();
weights->AddNode(new GenericAggrNode(str.c_str()));
}
attr->ptr.a = weights;
}
}
/* Representation item */
stepcomplex = complex_entity->EntityPart("representation_item");
stepcomplex->ResetAttributes();
while ((attr = stepcomplex->NextAttribute()) != NULL) {
//std::cout << " " << attr->Name() << "," << attr->NonRefType() << "\n";
if (!bu_strcmp(attr->Name(), "name")) attr->StrToVal("''");
}
return (STEPentity *)complex_entity;
}