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Removed assert, added Logger::Warning and Logger::Error. Made treatment of unexpected data more permissive

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This commit is contained in:
Richard Brice
2023-10-23 08:22:03 -07:00
committed by Thomas Krijnen
parent 94b567a25b
commit 2a53911c52
2 changed files with 75 additions and 49 deletions
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src/ifcgeom/mapping/IfcCurveSegment.cpp
+40 -28
View File
@@ -137,11 +137,13 @@ public:
m.col(1) = Eigen::Vector4d(0, 1, 0, 0);
m.col(2) = Eigen::Vector4d(-dy, 0, dx, 0);
m.col(3) = Eigen::Vector4d(0, 0, y, 1.0); // y is an elevation so store it as z
} else if (segment_type == ST_CANT) {
Logger::Warning(std::runtime_error("Use of IfcSpiral for cant is not supported"));
} else {
assert(segment_type == ST_CANT); // if it isn't cant, is there a new segment type?
assert(false); // not expecting cant
Logger::Error(std::runtime_error("Unexpected segment type encountered"));
}
Eigen::Matrix4d result = transformation_matrix * m;
return result;
};
@@ -263,7 +265,6 @@ public:
auto dx = cos(angle);
auto dy = sin(angle);
auto dz = 1.0;
auto x = R * dx;
auto y = R * dy;
@@ -281,11 +282,13 @@ public:
m.col(1) = Eigen::Vector4d(0, 1, 0, 0);
m.col(2) = Eigen::Vector4d(-dy, 0, dx, 0);
m.col(3) = Eigen::Vector4d(0, 0, y, 1.0); // y is an elevation so store it as z
} else if (segment_type == ST_CANT) {
Logger::Warning(std::runtime_error("Use of IfcCircle for cant is not supported"));
} else {
assert(segment_type == ST_CANT); // if it isn't cant, is there a new segment type?
assert(false); // not expecting cant
Logger::Error(std::runtime_error("Unexpected segment type encountered"));
}
Eigen::Matrix4d result = transformation_matrix * m;
return result;
};
@@ -313,12 +316,15 @@ public:
auto std_compare = [](double u_start, double u, double u_end) {return u_start <= u && u < u_end; };
auto end_compare = [](double u_start, double u, double u_end) {return u_start <= u && u <= (u_end + 0.001); };
auto iter = p->begin();
auto begin = p->begin();
auto iter = begin;
auto end = p->end();
auto last = std::prev(end);
auto p1 = *(iter++);
assert(p1->Coordinates().size() == 2); // expecting the polyline to be planar
auto u = 0.0;
if (p1->Coordinates().size() != 2) Logger::Warning("Expected IfcPolyline.Points to be 2D",pl);
auto u = 0.0;
for (; iter != end; iter++)
{
auto p2 = *iter;
@@ -332,10 +338,13 @@ public:
auto dx = p2x - p1x;
auto dy = p2y - p1y;
auto l = sqrt(dx * dx + dy * dy);
if (l == 0.0)
if (l < mapping_->conversion_settings().getValue(ConversionSettings::GV_PRECISION))
{
// @todo: rb use closeness tolerance instead of absolute 0.0
throw std::runtime_error("invalid polyline - points must not be coincident");
std::ostringstream os;
os << "Coincident IfcPolyline.Points are not expected. Skipping point " << std::distance(iter, begin) << std::endl;
Logger::Warning(os.str(), pl);
continue; // go to next point
}
dx /= l;
@@ -360,9 +369,10 @@ public:
m.col(1) = Eigen::Vector4d(0, 1, 0, 0);
m.col(2) = Eigen::Vector4d(-dy, 0, dx, 0);
m.col(3) = Eigen::Vector4d(0, 0, y, 1.0); // y is an elevation so store it as z
} else if (segment_type == ST_CANT) {
Logger::Warning(std::runtime_error("Use of IfcPolyline for cant is not supported"));
} else {
assert(segment_type == ST_CANT); // if it isn't cant, is there a new segment type?
assert(false); // not expecting cant
Logger::Error(std::runtime_error("Unexpected segment type encountered"));
}
return m;
@@ -381,10 +391,11 @@ public:
return compare(u_start, u, u_end);
});
if (iter == fns.end()) throw std::runtime_error("invalid distance from start"); // this should never happen, but just in case it does
if (iter == fns.end()) throw std::runtime_error("invalid distance from start"); // this should never happen, but just in case it does, throw an exception so the problem gets automatically detected
auto [u_start, u_end, compare] = iter->first;
auto m = (iter->second)(u - u_start); // (u - u_start) is distance from start of this segment of the polyline
const auto& [u_start, u_end, compare] = iter->first;
const auto& fn = iter->second;
Eigen::Matrix4d m = fn(u - u_start); // (u - u_start) is distance from start of this segment of the polyline
return m;
};
}
@@ -420,7 +431,6 @@ public:
eval_ = [px, py, dx, dy](double u) {
// https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcGradientCurve.htm
// the parameter, u, is the parameter of the BaseCurve (u = plan view distance along base curve)
auto x = px + u;
// dx and dy are normalized so u needs to be scaled by dy/dx
// Consider a 5% uphill grade defined by dr[0] = 1 and dr[1] = 0.05.
@@ -438,10 +448,12 @@ public:
return m;
};
}
else if(segment_type_ == ST_CANT) {
Logger::Warning(std::runtime_error("Use of IfcLine for cant is not supported"), l);
}
else {
assert(segment_type_ == ST_CANT); // if it isn't cant, is there a new segment type?
assert(false); // not expecting cant
}
Logger::Error(std::runtime_error("Unexpected segment type encountered"), l);
}
}
void operator()(IfcSchema::IfcPolynomialCurve* p) {
@@ -449,7 +461,7 @@ public:
auto coeffX = p->CoefficientsX().get_value_or(std::vector<double>());
auto coeffY = p->CoefficientsY().get_value_or(std::vector<double>());
auto coeffZ = p->CoefficientsZ().get_value_or(std::vector<double>());
assert(coeffZ.size() == 0); // expecting the curve to by in the XY Plane (ST_HORIZONTAL) or the UZ Plane (ST_VERTICAL)
Logger::Warning("Expected IfcPolynomialCurve.CoefficientsZ to be undefined for alignment geometry", p);
auto transformation_matrix = taxonomy::cast<taxonomy::matrix4>(mapping_->map(p->Position()))->ccomponents();
@@ -493,13 +505,13 @@ public:
m.col(1) = Eigen::Vector4d(0, 1, 0, 0);
m.col(2) = Eigen::Vector4d(dy, 0, dx, 0);
m.col(3) = Eigen::Vector4d(0, 0, y, 1.0); // y is an elevation so store it as z
}
else
{
assert(segment_type == ST_CANT); // if it isn't cant, is there a new segment type?
assert(false); // not expecting cant
}
return m;
} else if (segment_type == ST_CANT) {
Logger::Warning(std::runtime_error("Use of IfcPolynomialCurve for cant is not supported"));
} else {
Logger::Error(std::runtime_error("Unexpected segment type encountered"));
}
return m;
};
}
src/ifcgeom/mapping/IfcLinearPlacement.cpp
+35 -21
View File
@@ -25,23 +25,15 @@ using namespace ifcopenshell::geometry;
taxonomy::ptr mapping::map_impl(const IfcSchema::IfcLinearPlacement* inst) {
// The IFC specification does not provided a description of the optional
// CartesianPosition attribute. It is assumed to be a pre-computed IfcAxis2Placement3D
// to be used by software that don't support IfcLinearPlacement. In this case,
// we will simply use the intended CartesianPosition provided by the IFC model
if (inst->CartesianPosition()) {
return map(inst->CartesianPosition());
}
// the following is taken from IfcLocalPlacement and tweaked a little
// assumes that PlacementRelTo is relative to another IfcLinearPlacement
IfcSchema::IfcLinearPlacement* current = (IfcSchema::IfcLinearPlacement*)inst;
auto m4 = taxonomy::make<taxonomy::matrix4>();
// IfcLinearPlacement was added in IFC 4.1 but it had an Orientation attribute of type IfcOrientationExpression, which when combined with other
// attributes was similar to IfcAxis2PlacementLinear. IFC 4.1 and IFC 4.2 have been withdrawn so I'm not going to try to implement linear placement for them.
// For this reason the preprocessor skips this code if SCHEMA_HAS_IfcAxis2PlacementLinear is not defined
#if defined SCHEMA_HAS_IfcAxis2PlacementLinear
// IfcLinearPlacement was added in IFC 4.1 but it had an Orientation attribute of type IfcOrientationExpression, which when combined with other
// attributes was similar to IfcAxis2PlacementLinear. IFC 4.1 and IFC 4.2 have been withdrawn so I'm not going to try to implement linear placement for them.
// For this reason the preprocessor skips this code if SCHEMA_HAS_IfcAxix2PlacementLinear is not defined
// the following is taken from IfcLocalPlacement and tweaked a little
// assumes that PlacementRelTo is relative to another IfcLinearPlacement
IfcSchema::IfcLinearPlacement* current = (IfcSchema::IfcLinearPlacement*)inst;
auto m4 = taxonomy::make<taxonomy::matrix4>();
for (;;) {
IfcSchema::IfcAxis2PlacementLinear* relplacement = current->RelativePlacement();
@@ -76,12 +68,34 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcLinearPlacement* inst) {
break;
}
}
// The IFC specification does not provided a description of the optional
// CartesianPosition attribute. It is assumed to be a pre-computed IfcAxis2Placement3D
// to be used by software that don't support IfcLinearPlacement. Check that the
// provided cartesian position is the same as the one determined by linear placement
if (inst->CartesianPosition()) {
auto m_fallback = taxonomy::cast<taxonomy::matrix4>(map(inst->CartesianPosition()));
if (m4 != m_fallback) {
Logger::Warning("IfcLinearPlacement.CartesianPosition is different than the computed placement", inst);
}
}
// @todo: rb - not sure what this means... it came from IfcLocalPlacement
// m4->components() = offset_and_rotation_ * m4->components();
return m4;
#else
// The IFC specification does not provided a description of the optional
// CartesianPosition attribute. It is assumed to be a pre-computed IfcAxis2Placement3D
// to be used by software that don't support IfcLinearPlacement. In this case,
// we will simply use the intended CartesianPosition provided by the IFC model
if (inst->CartesianPosition()) {
return map(inst->CartesianPosition());
} else {
Logger::Error("Unsupported");
}
#endif // SCHEMA_HAS_IfcAxis2PlacementLinear
// @todo: rb - not sure what this means... it came from IfcLocalPlacement
// m4->components() = offset_and_rotation_ * m4->components();
return m4;
}
#endif