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Adds conversion settings to control the granularity of points computed for a piecewise_function

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Richard Brice
2023-11-22 15:49:24 -08:00
parent 39c3cac05d
commit 2126381a15
9 changed files with 64 additions and 14 deletions
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src/ifcgeom/taxonomy.cpp
+13 -4
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@@ -459,11 +459,20 @@ ifcopenshell::geometry::taxonomy::item::ptr ifcopenshell::geometry::taxonomy::pi
length += s.first;
std::vector<taxonomy::point3::ptr> polygon;
auto param_type = settings_ ? settings_->get<ifcopenshell::geometry::settings::PiecewiseStepType>().get() : ifcopenshell::geometry::settings::PiecewiseStepMethod::MAXSTEPSIZE;
auto param = settings_ ? settings_->get<ifcopenshell::geometry::settings::PiecewiseStepParam>().get() : 0.5;
int num_steps = 0;
if (param_type == ifcopenshell::geometry::settings::PiecewiseStepMethod::MAXSTEPSIZE) {
// parameter is max step size
num_steps = (int)std::ceil(length / param);
} else {
// parameter is minimum number of steps
num_steps = (int)std::ceil(param);
}
auto resolution = length / num_steps;
static const double target_resolution = 0.5;
int num_steps = (int)std::ceil(length / target_resolution);
auto resolution = length / num_steps;
for (int i = 0; i <= num_steps; ++i) {
for (int i = 0; i <= num_steps; ++i) {
auto u = resolution * i;
Eigen::Matrix4d m = evaluate(u);
polygon.push_back(taxonomy::make<taxonomy::point3>(m.col(3)(0), m.col(3)(1), m.col(3)(2)));