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Work towards v1.0 data model with encapsulated weak_ptr as basis for instances

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This commit is contained in:
Thomas Krijnen
2026-01-04 10:40:02 +01:00
parent f09ca658f1
commit 7098beb819
210 changed files with 28269 additions and 26471 deletions
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src/serializers/GltfSerializer.cpp
+36 -38
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@@ -526,44 +526,42 @@ void GltfSerializer::setFile(IfcParse::IfcFile* f) {
return;
}
boost::optional<std::string> crs_epsg;
boost::optional<std::array<double, 3>> crs_x_axis;
boost::optional<std::array<double, 3>> eastings_northings_elevation;
std::optional<std::string> crs_epsg;
std::optional<std::array<double, 3>> crs_x_axis;
std::optional<std::array<double, 3>> eastings_northings_elevation;
aggregate_of_instance::ptr coordops;
std::vector<express::Base> coordops;
try {
coordops = f->instances_by_type("IfcCoordinateOperation");
} catch (IfcParse::IfcException&) {
// Ignored. Schema likely doesn't support IfcCoordinateOperation.
}
if (coordops) {
for (auto& coordop : *coordops) {
IfcUtil::IfcBaseClass* source_crs = coordop->as<IfcUtil::IfcBaseEntity>()->get("SourceCRS");
if (source_crs->declaration().is("IfcGeometricRepresentationContext")) {
IfcUtil::IfcBaseClass* target_crs = coordop->as<IfcUtil::IfcBaseEntity>()->get("TargetCRS");
auto name_attr = target_crs->as<IfcUtil::IfcBaseEntity>()->get("Name");
if (coordop->declaration().is("IfcMapConversion")) {
for (auto& coordop : coordops) {
express::Base source_crs = coordop.as<express::Entity>().get("SourceCRS");
if (source_crs.declaration().is("IfcGeometricRepresentationContext")) {
express::Base target_crs = coordop.as<express::Entity>().get("TargetCRS");
auto name_attr = target_crs.as<express::Entity>().get("Name");
if (coordop.declaration().is("IfcMapConversion")) {
if (!name_attr.isNull()) {
std::string epsg_code = name_attr;
crs_epsg = epsg_code;
if (!name_attr.isNull()) {
std::string epsg_code = name_attr;
crs_epsg = epsg_code;
// @todo in which unit are these?
double eastings = coordop->as<IfcUtil::IfcBaseEntity>()->get("Eastings");
double northings = coordop->as<IfcUtil::IfcBaseEntity>()->get("Northings");
double height = coordop->as<IfcUtil::IfcBaseEntity>()->get("OrthogonalHeight");
height = 0.;
// @todo in which unit are these?
double eastings = coordop.as<express::Entity>().get("Eastings");
double northings = coordop.as<express::Entity>().get("Northings");
double height = coordop.as<express::Entity>().get("OrthogonalHeight");
height = 0.;
eastings_northings_elevation = { { eastings, northings, height} };
eastings_northings_elevation = { { eastings, northings, height} };
auto xaxis_attr = coordop->as<IfcUtil::IfcBaseEntity>()->get("XAxisAbscissa");
auto yaxis_attr = coordop->as<IfcUtil::IfcBaseEntity>()->get("XAxisOrdinate");
if (!xaxis_attr.isNull() && !yaxis_attr.isNull()) {
double xaxis = xaxis_attr;
double yaxis = yaxis_attr;
auto xaxis_attr = coordop.as<express::Entity>().get("XAxisAbscissa");
auto yaxis_attr = coordop.as<express::Entity>().get("XAxisOrdinate");
if (!xaxis_attr.isNull() && !yaxis_attr.isNull()) {
double xaxis = xaxis_attr;
double yaxis = yaxis_attr;
crs_x_axis = { { xaxis, yaxis, 0. } };
}
crs_x_axis = { { xaxis, yaxis, 0. } };
}
}
}
@@ -573,9 +571,9 @@ void GltfSerializer::setFile(IfcParse::IfcFile* f) {
if (!crs_epsg) {
auto sites = f->instances_by_type("IfcSite");
if (sites && sites->size() == 1) {
auto lat_attr = (*sites->begin())->as<IfcUtil::IfcBaseEntity>()->get("RefLatitude");
auto lon_attr = (*sites->begin())->as<IfcUtil::IfcBaseEntity>()->get("RefLongitude");
if (sites.size() == 1) {
auto lat_attr = sites.front().as<express::Entity>().get("RefLatitude");
auto lon_attr = sites.front().as<express::Entity>().get("RefLongitude");
if (!lat_attr.isNull() && !lon_attr.isNull()) {
std::vector<int> lat_dms = lat_attr;
@@ -594,13 +592,13 @@ void GltfSerializer::setFile(IfcParse::IfcFile* f) {
double elev = 0.;
/*
auto elev_attr = (*sites->begin())->as<IfcUtil::IfcBaseEntity>()->get("RefElevation");
auto elev_attr = (*sites->begin()).as<express::Entity>().get("RefElevation");
if (!elev_attr->isNull()) {
elev = *elev_attr;
}
*/
crs_epsg.reset("EPSG:4326");
crs_epsg.emplace("EPSG:4326");
eastings_northings_elevation = { { lat, lon, elev } };
}
}
@@ -608,13 +606,13 @@ void GltfSerializer::setFile(IfcParse::IfcFile* f) {
auto contexts = f->instances_by_type_excl_subtypes("IfcGeometricRepresentationContext");
if (contexts && contexts->size() > 0) {
auto context = (*contexts->begin())->as<IfcUtil::IfcBaseEntity>();
auto north_attr = context->get("TrueNorth");
if (!contexts.empty()) {
auto context = contexts.front().as<express::Entity>();
auto north_attr = context.get("TrueNorth");
if (!north_attr.isNull()) {
IfcUtil::IfcBaseClass* north = north_attr;
if (north->declaration().is("IfcDirection")) {
std::vector<double> ratios = north->as<IfcUtil::IfcBaseEntity>()->get("DirectionRatios");
express::Base north = north_attr;
if (north.declaration().is("IfcDirection")) {
std::vector<double> ratios = north.as<express::Entity>().get("DirectionRatios");
crs_x_axis = { { ratios[1], -ratios[0], 0. } };
}
}