LIST_OF_ENTITIES *
STEPWrapper::getListOfEntities(int STEPid, const char *name)
{
LIST_OF_ENTITIES *l = new LIST_OF_ENTITIES;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string attrval;
std::string attrname = attr->Name();
if (attrname.compare(name) == 0) {
STEPaggregate *sa = (STEPaggregate *)attr->ptr.a;
EntityNode *sn = (EntityNode *)sa->GetHead();
SDAI_Application_instance *se;
while (sn != NULL) {
se = (SDAI_Application_instance *)sn->node;
l->push_back(se);
sn = (EntityNode *)sn->NextNode();
}
break;
}
}
return l;
}
SDAI_Application_instance *
STEPWrapper::getEntity(int STEPid, const char *name)
{
SDAI_Application_instance *se = getEntity(STEPid);
if (se->IsComplex()) {
se = getSuperType(STEPid, name);
}
return se;
}
void
STEPWrapper::getSuperTypes(int STEPid, MAP_OF_SUPERTYPES &m)
{
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
if (sse->IsComplex()) {
STEPcomplex *sc = ((STEPcomplex *)sse)->head;
while (sc) {
m[sc->EntityName()] = sc;
sc = sc->sc;
}
}
}
MAP_OF_SUPERTYPES *
STEPWrapper::getMapOfSuperTypes(int STEPid)
{
MAP_OF_SUPERTYPES *m = new MAP_OF_SUPERTYPES;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
if (sse->IsComplex()) {
STEPcomplex *sc = ((STEPcomplex *)sse)->head;
while (sc) {
(*m)[sc->EntityName()] = sc;
sc = sc->sc;
}
}
return m;
}
LIST_OF_STRINGS *
STEPWrapper::getAttributes(int STEPid)
{
LIST_OF_STRINGS *l = new LIST_OF_STRINGS;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string name = attr->Name();
l->push_back(name);
}
return l;
}
SDAI_Application_instance *
STEPWrapper::getSuperType(int STEPid, const char *name)
{
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
std::string attrval;
if (sse->IsComplex()) {
STEPcomplex *sc = ((STEPcomplex *)sse)->head;
while (sc) {
std::string ename = sc->EntityName();
if (ename.compare(name) == 0) {
return sc;
}
sc = sc->sc;
}
}
return NULL;
}
LIST_OF_LIST_OF_POINTS *
STEPWrapper::getListOfListOfPoints(int STEPid, const char *attrName)
{
LIST_OF_LIST_OF_POINTS *l = new LIST_OF_LIST_OF_POINTS;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string attrval;
std::string name = attr->Name();
if (name.compare(attrName) == 0) {
ErrorDescriptor errdesc;
//std::cout << attr->asStr(attrval) << std::endl;
//std::cout << attr->TypeName() << std::endl;
GenericAggregate_ptr gp = (GenericAggregate_ptr)attr->ptr.a;
STEPnode *sn = (STEPnode *)gp->GetHead();
//EntityAggregate *ag = new EntityAggregate();
const char *eaStr;
LIST_OF_POINTS *points;
while (sn != NULL) {
//sn->STEPwrite(std::cout);
//std::cout << std::endl;
eaStr = sn->asStr(attrval);
points = parseListOfPointEntities(eaStr);
l->push_back(points);
sn = (STEPnode *)sn->NextNode();
}
break;
}
}
return l;
}
double
STEPWrapper::getRealAttribute(int STEPid, const char *name)
{
double retValue = 0.0;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string attrname = attr->Name();
if (attrname.compare(name) == 0) {
retValue = *attr->ptr.r;
break;
}
}
return retValue;
}
std::string
STEPWrapper::getStringAttribute(int STEPid, const char *name)
{
std::string retValue = "";
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string attrval;
std::string attrname = attr->Name();
if (attrname.compare(name) == 0) {
retValue = attr->asStr(attrval);
//if (retValue.empty())
// std::cout << "String retValue:" << retValue << ":" << std::endl;
break;
}
}
return retValue;
}
Logical
STEPWrapper::getLogicalAttribute(int STEPid, const char *name)
{
Logical retValue = LUnknown;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string attrname = attr->Name();
if (attrname.compare(name) == 0) {
retValue = (Logical)(*attr->ptr.e).asInt();
if (retValue > LUnknown) {
retValue = LUnknown;
}
break;
}
}
return retValue;
}
Boolean
STEPWrapper::getBooleanAttribute(int STEPid, const char *name)
{
Boolean retValue = BUnset;
SDAI_Application_instance *sse = instance_list->FindFileId(STEPid)->GetSTEPentity();
sse->ResetAttributes();
STEPattribute *attr;
while ((attr = sse->NextAttribute()) != NULL) {
std::string attrname = attr->Name();
if (attrname.compare(name) == 0) {
retValue = (Boolean)(*attr->ptr.e).asInt();
if (retValue > BUnset) {
retValue = BUnset;
}
break;
}
}
return retValue;
}
bool STEPWrapper::convert(BRLCADWrapper *dot_g)
{
MAP_OF_PRODUCT_NAME_TO_ENTITY_ID name2id_map;
MAP_OF_ENTITY_ID_TO_PRODUCT_NAME id2name_map;
MAP_OF_ENTITY_ID_TO_PRODUCT_ID id2productid_map;
MAP_OF_PRODUCT_NAME_TO_ENTITY_ID::iterator niter = name2id_map.end();
if (!dot_g) {
return false;
}
this->dotg = dot_g;
int num_ents = instance_list->InstanceCount();
for (int i = 0; i < num_ents; i++) {
SDAI_Application_instance *sse = instance_list->GetSTEPentity(i);
if (sse == NULL) {
continue;
}
std::string name = sse->EntityName();
std::transform(name.begin(), name.end(), name.begin(), (int(*)(int))std::tolower);
if ((sse->STEPfile_id > 0) && (sse->IsA(SCHEMA_NAMESPACE::e_shape_definition_representation))) {
ShapeDefinitionRepresentation *sdr = dynamic_cast<ShapeDefinitionRepresentation *>(Factory::CreateObject(this, (SDAI_Application_instance *)sse));
if (!sdr) {
bu_exit(1, "ERROR: unable to allocate a 'ShapeDefinitionRepresentation' entity\n");
} else {
int sdr_id = sdr->GetId();
std::string pname = sdr->GetProductName();
int product_id = sdr->GetProductId();
id2productid_map[sdr_id] = product_id;
if (pname.empty()) {
std::string str = "ShapeDefinitionRepresentation@";
str = dotg->GetBRLCADName(str);
id2name_map[sdr_id] = pname;
} else {
std::string temp = pname;
int index = 2;
while ((niter=name2id_map.find(temp)) != name2id_map.end()) {
temp = pname + "_" + static_cast<ostringstream*>( &(ostringstream() << (index++)) )->str();
}
pname = temp;
if ((niter=name2id_map.find(pname)) == name2id_map.end()) {
id2name_map[sdr_id] = pname;
name2id_map[pname] = product_id;
id2name_map[product_id] = pname;
}
}
AdvancedBrepShapeRepresentation *aBrep = sdr->GetAdvancedBrepShapeRepresentation();
if (aBrep) {
if (pname.empty()) {
std::string str = "product@";
pname = dotg->GetBRLCADName(str);
id2name_map[aBrep->GetId()] = pname;
id2name_map[product_id] = pname;
} else {
id2name_map[aBrep->GetId()] = pname;
id2name_map[product_id] = pname;
}
id2productid_map[aBrep->GetId()] = product_id;
if (Verbose()) {
if (!pname.empty()) {
std::cerr << std::endl << " Generating Product -" << pname ;
} else {
std::cerr << std::endl << " Generating Product";
}
}
LocalUnits::length = aBrep->GetLengthConversionFactor();
LocalUnits::planeangle = aBrep->GetPlaneAngleConversionFactor();
LocalUnits::solidangle = aBrep->GetSolidAngleConversionFactor();
ON_Brep *onBrep = aBrep->GetONBrep();
if (!onBrep) {
delete sdr;
bu_exit(1, "ERROR: failure creating advanced boundary representation from %s\n", stepfile.c_str());
} else {
ON_TextLog tl;
if (!onBrep->IsValid(&tl)) {
bu_log("WARNING: %s is not valid\n", name.c_str());
}
//onBrep->SpSplitClosedFaces();
//ON_Brep *tbrep = TightenBrep(onBrep);
mat_t mat;
MAT_IDN(mat);
Axis2Placement3D *axis = aBrep->GetAxis2Placement3d();
if (axis != NULL) {
//assign matrix values
double translate_to[3];
const double *toXaxis = axis->GetXAxis();
const double *toYaxis = axis->GetYAxis();
const double *toZaxis = axis->GetZAxis();
mat_t rot_mat;
VMOVE(translate_to,axis->GetOrigin());
VSCALE(translate_to,translate_to,LocalUnits::length);
MAT_IDN(rot_mat);
VMOVE(&rot_mat[0], toXaxis);
VMOVE(&rot_mat[4], toYaxis);
VMOVE(&rot_mat[8], toZaxis);
bn_mat_inv(mat, rot_mat);
MAT_DELTAS_VEC(mat, translate_to);
}
dotg->WriteBrep(pname, onBrep,mat);
delete onBrep;
}
} else { // must be an assembly
if (pname.empty()) {
std::string str = "assembly@";
pname = dotg->GetBRLCADName(str);
}
ShapeRepresentation *aSR = sdr->GetShapeRepresentation();
if (aSR) {
int sr_id = aSR->GetId();
id2name_map[sr_id] = pname;
id2name_map[product_id] = pname;
id2productid_map[sr_id] = product_id;
}
}
Factory::DeleteObjects();
}
}
}
/*
* Pickup BREP related to SHAPE_REPRESENTATION through SHAPE_REPRESENTATION_RELATIONSHIP
*
* like the following found in OpenBook Part 'C':
* #21281=SHAPE_DEFINITION_REPRESENTATION(#21280,#21270);
* #21280=PRODUCT_DEFINITION_SHAPE('','SHAPE FOR C.',#21279);
* #21279=PRODUCT_DEFINITION('design','',#21278,#21275);
* #21278=PRODUCT_DEFINITION_FORMATION_WITH_SPECIFIED_SOURCE('1','LAST_VERSION',#21277,.MADE.);
* #21277=PRODUCT('C','C','NOT SPECIFIED',(#21276));
* #21270=SHAPE_REPRESENTATION('',(#21259),#21267);
* #21259=AXIS2_PLACEMENT_3D('DANTE_BX_CPU_TOP_1',#21256,#21257,#21258);
* #21267=(GEOMETRIC_REPRESENTATION_CONTEXT(3)GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#21266))
* GLOBAL_UNIT_ASSIGNED_CONTEXT((#21260,#21264,#21265))REPRESENTATION_CONTEXT('ID1','3'));
*
* #21271=SHAPE_REPRESENTATION_RELATIONSHIP('','',#21270,#21268);
* #21268=ADVANCED_BREP_SHAPE_REPRESENTATION('',(#21254),#21267);
* #21272=SHAPE_REPRESENTATION_RELATIONSHIP('','',#21270,#21269);
* #21269=MANIFOLD_SURFACE_SHAPE_REPRESENTATION('',(#21255),#21267);
*
*/
for (int i = 0; i < num_ents; i++) {
SDAI_Application_instance *sse = instance_list->GetSTEPentity(i);
if (sse == NULL) {
continue;
}
std::string name = sse->EntityName();
std::transform(name.begin(), name.end(), name.begin(), (int(*)(int))std::tolower);
if ((sse->STEPfile_id > 0) && (sse->IsA(SCHEMA_NAMESPACE::e_shape_representation_relationship))) {
ShapeRepresentationRelationship *srr = dynamic_cast<ShapeRepresentationRelationship *>(Factory::CreateObject(this, (SDAI_Application_instance *)sse));
if (srr) {
ShapeRepresentation *aSR = dynamic_cast<ShapeRepresentation *>(srr->GetRepresentationRelationshipRep_1());
AdvancedBrepShapeRepresentation *aBrep = dynamic_cast<AdvancedBrepShapeRepresentation *>(srr->GetRepresentationRelationshipRep_2());
if (!aBrep) { //try rep_1
aBrep = dynamic_cast<AdvancedBrepShapeRepresentation *>(srr->GetRepresentationRelationshipRep_1());
aSR = dynamic_cast<ShapeRepresentation *>(srr->GetRepresentationRelationshipRep_2());
}
if ((aSR) && (aBrep)) {
int sr_id = aSR->GetId();
MAP_OF_ENTITY_ID_TO_PRODUCT_ID::iterator it = id2productid_map.find(sr_id);
if (it != id2productid_map.end()) { // product found
int product_id = (*it).second;
int brep_id = aBrep->GetId();
it = id2productid_map.find(brep_id);
if (it == id2productid_map.end()) { // brep not loaded yet so lets do that here.
string pname = id2name_map[product_id];
id2productid_map[brep_id] = product_id;
if (Verbose()) {
if (!pname.empty()) {
std::cerr << std::endl << " Generating Product -" << pname ;
} else {
std::cerr << std::endl << " Generating Product";
}
}
LocalUnits::length = aBrep->GetLengthConversionFactor();
LocalUnits::planeangle = aBrep->GetPlaneAngleConversionFactor();
LocalUnits::solidangle = aBrep->GetSolidAngleConversionFactor();
ON_Brep *onBrep = aBrep->GetONBrep();
if (!onBrep) {
bu_exit(1, "ERROR: failure creating advanced boundary representation from %s\n", stepfile.c_str());
} else {
ON_TextLog tl;
if (!onBrep->IsValid(&tl)) {
bu_log("WARNING: %s is not valid\n", name.c_str());
}
//onBrep->SpSplitClosedFaces();
//ON_Brep *tbrep = TightenBrep(onBrep);
mat_t mat;
MAT_IDN(mat);
Axis2Placement3D *axis = aBrep->GetAxis2Placement3d();
if (axis != NULL) {
//assign matrix values
double translate_to[3];
const double *toXaxis = axis->GetXAxis();
const double *toYaxis = axis->GetYAxis();
const double *toZaxis = axis->GetZAxis();
mat_t rot_mat;
VMOVE(translate_to,axis->GetOrigin());
VSCALE(translate_to,translate_to,LocalUnits::length);
MAT_IDN(rot_mat);
VMOVE(&rot_mat[0], toXaxis);
VMOVE(&rot_mat[4], toYaxis);
VMOVE(&rot_mat[8], toZaxis);
bn_mat_inv(mat, rot_mat);
MAT_DELTAS_VEC(mat, translate_to);
}
dotg->WriteBrep(pname, onBrep,mat);
delete onBrep;
}
}
}
}
Factory::DeleteObjects();
}
}
}
if (Verbose()) {
std::cerr << std::endl << " Generating BRL-CAD hierarchy." << std::endl;
}
for (int i = 0; i < num_ents; i++) {
SDAI_Application_instance *sse = instance_list->GetSTEPentity(i);
if (sse == NULL) {
continue;
}
std::string name = sse->EntityName();
std::transform(name.begin(), name.end(), name.begin(), (int(*)(int))std::tolower);
if ((sse->STEPfile_id > 0) && (sse->IsA(SCHEMA_NAMESPACE::e_context_dependent_shape_representation))) {
ContextDependentShapeRepresentation *aCDSR = dynamic_cast<ContextDependentShapeRepresentation *>(Factory::CreateObject(this, (SDAI_Application_instance *)sse));
if (aCDSR) {
int rep_1_id = aCDSR->GetRepresentationRelationshipRep_1()->GetId();
int rep_2_id = aCDSR->GetRepresentationRelationshipRep_2()->GetId();
int pid_1 = id2productid_map[rep_1_id];
int pid_2 = id2productid_map[rep_2_id];
Axis2Placement3D *axis1 = NULL;
Axis2Placement3D *axis2 = NULL;
if ((id2name_map.find(rep_1_id) != id2name_map.end()) && (id2name_map.find(rep_2_id) != id2name_map.end())) {
string comb = id2name_map[rep_1_id];
string member = id2name_map[rep_2_id];
mat_t mat;
MAT_IDN(mat);
ProductDefinition *relatingProduct = aCDSR->GetRelatingProductDefinition();
ProductDefinition *relatedProduct = aCDSR->GetRelatedProductDefinition();
if (relatingProduct && relatedProduct) {
string relatingName = relatingProduct->GetProductName();
int relatingID = relatingProduct->GetProductId();
string relatedName = relatedProduct->GetProductName();
int relatedID = relatedProduct->GetProductId();
if ((relatingID == pid_1) && (relatedID == pid_2)) {
axis1 = aCDSR->GetTransformItem_1();
axis2 = aCDSR->GetTransformItem_2();
comb = id2name_map[rep_1_id];
member = id2name_map[rep_2_id];
} else if ((relatingID == pid_2) && (relatedID == pid_1)) {
axis1 = aCDSR->GetTransformItem_2();
axis2 = aCDSR->GetTransformItem_1();
comb = id2name_map[rep_2_id];
member = id2name_map[rep_1_id];
} else {
std::cerr << "Error: Found Representation Relationship Rep_1(name=" << comb << ",Id=" << rep_1_id << ")" << std::endl;
std::cerr << "Error: Found Representation Relationship Rep_2(name=" << member << ",Id=" << rep_2_id << ")" << std::endl;
std::cerr << "Error: but Relating ProductDefinition (name=" << relatingName << ",Id=" << relatingID << ")" << std::endl;
std::cerr << "Error: Related ProductDefinition (name=" << relatedName << ",Id=" << relatedID << ")" << std::endl;
}
}
if ((axis1 != NULL) && (axis2 != NULL)) {
mat_t to_mat;
mat_t from_mat;
mat_t toinv_mat;
//assign matrix values
double translate_to[3];
double translate_from[3];
const double *toXaxis = axis1->GetXAxis();
const double *toYaxis = axis1->GetYAxis();
const double *toZaxis = axis1->GetZAxis();
const double *fromXaxis = axis2->GetXAxis();
const double *fromYaxis = axis2->GetYAxis();
const double *fromZaxis = axis2->GetZAxis();
VMOVE(translate_to,axis1->GetOrigin());
VSCALE(translate_to,translate_to,LocalUnits::length);
VMOVE(translate_from,axis2->GetOrigin());
VSCALE(translate_from,translate_from,-LocalUnits::length);
// undo from trans/rot
MAT_IDN(from_mat);
VMOVE(&from_mat[0], fromXaxis);
VMOVE(&from_mat[4], fromYaxis);
VMOVE(&from_mat[8], fromZaxis);
MAT_DELTAS_VEC(from_mat, translate_from);
// do to trans/rot
MAT_IDN(to_mat);
VMOVE(&to_mat[0], toXaxis);
VMOVE(&to_mat[4], toYaxis);
VMOVE(&to_mat[8], toZaxis);
bn_mat_inv(toinv_mat, to_mat);
MAT_DELTAS_VEC(toinv_mat, translate_to);
bn_mat_mul(mat, toinv_mat, from_mat);
}
dotg->AddMember(comb,member,mat);
}
Factory::DeleteObjects();
}
}
}
if (!dotg->WriteCombs()) {
std::cerr << "Error writing BRL-CAD hierarchy." << std::endl;
}
return true;
}
bool Representation::Load(STEPWrapper *sw, SDAI_Application_instance *sse)
{
step = sw;
id = sse->STEPfile_id;
// need to do this for local attributes to makes sure we have
// the actual entity and not a complex/supertype parent
sse = step->getEntity(sse, ENTITYNAME);
name = step->getStringAttribute(sse, "name");
if (items.empty()) {
LIST_OF_ENTITIES *l = step->getListOfEntities(sse, "items");
LIST_OF_ENTITIES::iterator i;
for (i = l->begin(); i != l->end(); i++) {
SDAI_Application_instance *entity = (*i);
if (entity) {
RepresentationItem *aRI = dynamic_cast<RepresentationItem *>(Factory::CreateObject(sw, entity));
if (aRI != NULL)
items.push_back(aRI);
} else {
std::cerr << CLASSNAME << ": Unhandled entity in attribute 'items'." << std::endl;
l->clear();
delete l;
return false;
}
}
l->clear();
delete l;
}
if (context_of_items.empty()) {
SDAI_Application_instance *entity = step->getEntityAttribute(sse, "context_of_items");
if (entity) {
if (entity->IsComplex()) {
SDAI_Application_instance *sub_entity = step->getEntity(entity, "Geometric_Representation_Context");
if (sub_entity) {
GeometricRepresentationContext *aGRC = new GeometricRepresentationContext();
context_of_items.push_back(aGRC);
if (!aGRC->Load(step, sub_entity)) {
std::cout << CLASSNAME << ":Error loading GeometricRepresentationContext" << std::endl;
return false;
}
}
sub_entity = step->getEntity(entity, "Global_Uncertainty_Assigned_Context");
if (sub_entity) {
GlobalUncertaintyAssignedContext *aGUAC = new GlobalUncertaintyAssignedContext();
context_of_items.push_back(aGUAC);
if (!aGUAC->Load(step, sub_entity)) {
std::cout << CLASSNAME << ":Error loading GlobalUncertaintyAssignedContext" << std::endl;
return false;
}
}
sub_entity = step->getEntity(entity, "Global_Unit_Assigned_Context");
if (sub_entity) {
GlobalUnitAssignedContext *aGUAC = new GlobalUnitAssignedContext();
context_of_items.push_back(aGUAC);
if (!aGUAC->Load(step, sub_entity)) {
std::cout << CLASSNAME << ":Error loading GlobalUnitAssignedContext" << std::endl;
return false;
}
}
sub_entity = step->getEntity(entity, "Parametric_Representation_Context");
if (sub_entity) {
ParametricRepresentationContext *aPRC = new ParametricRepresentationContext();
context_of_items.push_back(aPRC);
if (!aPRC->Load(step, sub_entity)) {
std::cout << CLASSNAME << ":Error loading ParametricRepresentationContext" << std::endl;
return false;
}
}
} else {
RepresentationContext *aRC = dynamic_cast<RepresentationContext *>(Factory::CreateObject(sw, entity));
if (aRC != NULL) {
context_of_items.push_back(aRC);
} else {
std::cout << CLASSNAME << ":Error loading RepresentationContext" << std::endl;
return false;
}
}
} else {
std::cout << CLASSNAME << ":Error loading \"context_of_items\"" << std::endl;
return false;
}
}
return true;
}