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svg print space areas

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This commit is contained in:
Thomas Krijnen
2020-05-10 11:10:30 +02:00
parent 58a40316af
commit 1c82d8c936
3 changed files with 24 additions and 8 deletions
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src/serializers/SvgSerializer.cpp
+17 -6
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@@ -383,7 +383,7 @@ void SvgSerializer::write(const IfcGeom::BRepElement<real_t>* o)
for (int i = 1; i <= wires->Length(); ++i) {
const TopoDS_Wire& wire = TopoDS::Wire(wires->Value(i));
if (wire.Closed() && print_space_names_ && o->type() == "IfcSpace") {
if (wire.Closed() && (print_space_names_ || print_space_areas_) && o->type() == "IfcSpace") {
// we explicitly specify the surface here, to later on
// simplify the projection from {x,y,z} to {u, v} because
// we know we can simply discard z.
@@ -448,8 +448,11 @@ void SvgSerializer::write(const IfcGeom::BRepElement<real_t>* o)
}
if (center_point) {
std::vector<std::string> labels = { o->name() };
if (o->type() == "IfcSpace") {
std::vector<std::string> labels;
if (print_space_names_) {
labels.push_back(o->name());
}
if (print_space_names_ && o->type() == "IfcSpace") {
auto attr = o->product()->get("LongName");
if (!attr->isNull()) {
std::string long_name = *attr;
@@ -458,6 +461,14 @@ void SvgSerializer::write(const IfcGeom::BRepElement<real_t>* o)
}
}
}
if (print_space_areas_) {
GProp_GProps prop;
BRepGProp::SurfaceProperties(largest_closed_wire_face, prop);
const double area = prop.Mass();
std::stringstream ss;
ss << std::setprecision(2) << std::fixed << std::showpoint << area;
labels.push_back(ss.str() + "m&#178;");
}
path_object& po = p;
util::string_buffer path;
@@ -468,9 +479,9 @@ void SvgSerializer::write(const IfcGeom::BRepElement<real_t>* o)
path.add("\" y=\"");
ycoords.push_back(path.add(center_point->Y()));
path.add("\">");
for (auto it = labels.begin(); it != labels.end(); ++it) {
const auto& l = *it;
double dy = labels.begin() == it
for (auto lit = labels.begin(); lit != labels.end(); ++lit) {
const auto& l = *lit;
double dy = labels.begin() == lit
? 0.35 - (labels.size() - 1.) / 2.
: 1.0; // <- dy is relative to the previous text element, so
// always 1 for successive spans.