Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-09 17:31:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

SVG: IfcAnnotation objectype handling

Browse Source
This commit is contained in:
Thomas Krijnen
2021-02-09 14:04:01 +01:00
parent 45f3e677df
commit 1d6b2dcb37
1 changed files with 69 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/serializers/SvgSerializer.cpp
+69 -50
View File
@@ -788,73 +788,92 @@ void SvgSerializer::write(const geometry_data& data) {
auto ot_arg = data.product->get("ObjectType");
if (!ot_arg->isNull()) {
object_type = (std::string) *ot_arg;
object_type.erase(std::remove_if(object_type.begin(), object_type.end(), [](char c) { return !std::isalnum(c); }), object_type.end());
}
if (data.product->declaration().is("IfcAnnotation") && // is an Annotation
object_type == "Dimension" && // with ObjectType='Dimension'
(proj.Magnitude() > 1.e-5) && // when projected onto the view has a length
zmin >= range.first && zmin <= range.second) // the Z-coords are within the range of the building storey
{
auto svg_name = data.svg_name;
if (object_type.size()) {
// postfix the object_type for CSS matching
boost::replace_all(svg_name, "class=\"IfcAnnotation\"", "class=\"IfcAnnotation " + object_type + "\"");
}
if (po == nullptr) {
if (storey) {
po = &start_path(pln, storey, data.svg_name);
po = &start_path(pln, storey, svg_name);
} else {
po = &start_path(pln, drawing_name, data.svg_name);
po = &start_path(pln, drawing_name, svg_name);
}
}
TopExp_Explorer exp(subshape, TopAbs_EDGE, TopAbs_FACE);
for (; exp.More(); exp.Next()) {
const auto& e = TopoDS::Edge(exp.Current());
TopoDS_Vertex v0, v1;
TopExp::Vertices(e, v0, v1);
gp_Pnt p0 = BRep_Tool::Pnt(v0);
gp_Pnt p1 = BRep_Tool::Pnt(v1);
// @todo should we take the average parameter value instead?
gp_XYZ center = (p0.XYZ() + p1.XYZ()) / 2.;
BRep_Builder B;
TopoDS_Wire W;
B.MakeWire(W);
B.Add(W, e);
write(*po, W);
if (object_type == "Dimension") {
TopExp_Explorer exp(subshape, TopAbs_EDGE, TopAbs_FACE);
for (; exp.More(); exp.Next()) {
const auto& e = TopoDS::Edge(exp.Current());
TopoDS_Vertex v0, v1;
TopExp::Vertices(e, v0, v1);
gp_Pnt p0 = BRep_Tool::Pnt(v0);
gp_Pnt p1 = BRep_Tool::Pnt(v1);
BRep_Builder B;
TopoDS_Wire W;
B.MakeWire(W);
B.Add(W, e);
write(*po, W);
// @todo should we take the average parameter value instead?
gp_XYZ center = (p0.XYZ() + p1.XYZ()) / 2.;
util::string_buffer path;
// dominant-baseline="central" is not well supported in IE.
// so we add a 0.35 offset to the dy of the tspans
path.add(" <text class=\"IfcAnnotation\" text-anchor=\"middle\" x=\"");
xcoords.push_back(path.add(center.X()));
path.add("\" y=\"");
ycoords.push_back(path.add(center.Y()));
path.add("\">");
std::vector<std::string> labels{};
GProp_GProps prop;
BRepGProp::LinearProperties(e, prop);
const double area = prop.Mass();
std::stringstream ss;
ss << std::setprecision(2) << std::fixed << std::showpoint << area;
labels.push_back(ss.str() + "m");
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.
path.add("<tspan x=\"");
util::string_buffer path;
// dominant-baseline="central" is not well supported in IE.
// so we add a 0.35 offset to the dy of the tspans
path.add(" <text class=\"IfcAnnotation\" text-anchor=\"middle\" x=\"");
xcoords.push_back(path.add(center.X()));
path.add("\" dy=\"");
path.add(boost::lexical_cast<std::string>(dy));
path.add("em\">");
path.add(l);
path.add("</tspan>");
path.add("\" y=\"");
ycoords.push_back(path.add(center.Y()));
path.add("\">");
std::vector<std::string> labels{};
GProp_GProps prop;
BRepGProp::LinearProperties(e, prop);
const double area = prop.Mass();
std::stringstream ss;
ss << std::setprecision(2) << std::fixed << std::showpoint << area;
labels.push_back(ss.str() + "m");
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.
path.add("<tspan x=\"");
xcoords.push_back(path.add(center.X()));
path.add("\" dy=\"");
path.add(boost::lexical_cast<std::string>(dy));
path.add("em\">");
path.add(l);
path.add("</tspan>");
}
path.add("</text>");
po->second.push_back(path);
}
path.add("</text>");
po->second.push_back(path);
} else if (object_type == "Symbol") {
TopExp_Explorer exp(subshape, TopAbs_WIRE, TopAbs_FACE);
for (; exp.More(); exp.Next()) {
const auto& W = TopoDS::Wire(exp.Current());
write(*po, W);
}
}
// We're finished processing IfcAnnotation instances
continue;
}
@@ -1396,7 +1415,7 @@ void SvgSerializer::writeHeader() {
" .IfcSpace path {\n"
" fill-opacity: .2;\n"
" }\n"
" .IfcAnnotation path {\n"
" .dimension path {\n"
" marker-end: url(#arrowend);\n"
" marker-start: url(#arrowstart);\n"
" }\n";