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This commit is contained in:
Thomas Krijnen
2026-07-03 12:14:15 +02:00
parent a54a8b80d3
commit 55e97e5379
13 changed files with 152 additions and 152 deletions
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src/helpers/placement.cpp
+20 -20
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@@ -17,7 +17,7 @@
* *
********************************************************************************/
#include "Placement.h"
#include "placement.h"
#include "../ifcparse/instance_data.h"
#include "../ifcparse/schema.h"
@@ -26,13 +26,13 @@
namespace {
Eigen::Vector3d safeNormalize(const Eigen::Vector3d& v,
const Eigen::Vector3d& fallback) {
Eigen::Vector3d safe_normalize(const Eigen::Vector3d& v,
const Eigen::Vector3d& fallback) {
const double n = v.norm();
return (n > 0.0) ? Eigen::Vector3d(v / n) : fallback;
}
std::vector<double> readDirectionRatios(const express::Base& dir) {
std::vector<double> read_direction_ratios(const express::Base& dir) {
if (!dir) return {};
auto attr = dir.as<express::Entity>().get("DirectionRatios");
if (attr.isNull()) return {};
@@ -41,12 +41,12 @@ std::vector<double> readDirectionRatios(const express::Base& dir) {
} // namespace
Eigen::Matrix4d a2p(const Eigen::Vector3d& origin,
const Eigen::Vector3d& z,
const Eigen::Vector3d& x) {
const Eigen::Vector3d xn = safeNormalize(x, Eigen::Vector3d::UnitX());
const Eigen::Vector3d zn = safeNormalize(z, Eigen::Vector3d::UnitZ());
const Eigen::Vector3d yn = safeNormalize(zn.cross(xn), Eigen::Vector3d::UnitY());
Eigen::Matrix4d axes_to_placement(const Eigen::Vector3d& origin,
const Eigen::Vector3d& z,
const Eigen::Vector3d& x) {
const Eigen::Vector3d xn = safe_normalize(x, Eigen::Vector3d::UnitX());
const Eigen::Vector3d zn = safe_normalize(z, Eigen::Vector3d::UnitZ());
const Eigen::Vector3d yn = safe_normalize(zn.cross(xn), Eigen::Vector3d::UnitY());
Eigen::Matrix4d m = Eigen::Matrix4d::Identity();
m.block<3, 1>(0, 0) = xn;
@@ -56,7 +56,7 @@ Eigen::Matrix4d a2p(const Eigen::Vector3d& origin,
return m;
}
Eigen::Matrix4d getAxis2Placement(const express::Base& placement) {
Eigen::Matrix4d get_axis2_placement(const express::Base& placement) {
if (!placement) return Eigen::Matrix4d::Identity();
const auto& decl = placement.declaration();
auto entity = placement.as<express::Entity>();
@@ -68,12 +68,12 @@ Eigen::Matrix4d getAxis2Placement(const express::Base& placement) {
if (decl.is("IfcAxis2Placement3D") || decl.is("IfcAxis2PlacementLinear")) {
auto axis_attr = entity.get("Axis");
if (!axis_attr.isNull()) {
auto dr = readDirectionRatios((express::Base) axis_attr);
auto dr = read_direction_ratios((express::Base) axis_attr);
if (dr.size() >= 3) z = Eigen::Vector3d(dr[0], dr[1], dr[2]);
}
auto refdir_attr = entity.get("RefDirection");
if (!refdir_attr.isNull()) {
auto dr = readDirectionRatios((express::Base) refdir_attr);
auto dr = read_direction_ratios((express::Base) refdir_attr);
if (dr.size() >= 3) x = Eigen::Vector3d(dr[0], dr[1], dr[2]);
}
auto loc_attr = entity.get("Location");
@@ -86,7 +86,7 @@ Eigen::Matrix4d getAxis2Placement(const express::Base& placement) {
} else if (decl.is("IfcAxis2Placement2D")) {
auto refdir_attr = entity.get("RefDirection");
if (!refdir_attr.isNull()) {
auto dr = readDirectionRatios((express::Base) refdir_attr);
auto dr = read_direction_ratios((express::Base) refdir_attr);
if (dr.size() >= 1) {
x = Eigen::Vector3d(dr.size() > 0 ? dr[0] : 1.0,
dr.size() > 1 ? dr[1] : 0.0,
@@ -106,7 +106,7 @@ Eigen::Matrix4d getAxis2Placement(const express::Base& placement) {
} else if (decl.is("IfcAxis1Placement")) {
auto axis_attr = entity.get("Axis");
if (!axis_attr.isNull()) {
auto dr = readDirectionRatios((express::Base) axis_attr);
auto dr = read_direction_ratios((express::Base) axis_attr);
if (dr.size() >= 3) z = Eigen::Vector3d(dr[0], dr[1], dr[2]);
}
auto loc_attr = entity.get("Location");
@@ -120,10 +120,10 @@ Eigen::Matrix4d getAxis2Placement(const express::Base& placement) {
return Eigen::Matrix4d::Identity();
}
return a2p(o, z, x);
return axes_to_placement(o, z, x);
}
Eigen::Matrix4d getLocalPlacement(const express::Base& placement) {
Eigen::Matrix4d get_local_placement(const express::Base& placement) {
if (!placement) return Eigen::Matrix4d::Identity();
const auto& decl = placement.declaration();
@@ -132,13 +132,13 @@ Eigen::Matrix4d getLocalPlacement(const express::Base& placement) {
Eigen::Matrix4d parent = Eigen::Matrix4d::Identity();
auto rel_attr = entity.get("PlacementRelTo");
if (!rel_attr.isNull()) {
parent = getLocalPlacement((express::Base) rel_attr);
parent = get_local_placement((express::Base) rel_attr);
}
auto rp_attr = entity.get("RelativePlacement");
if (rp_attr.isNull()) return parent;
return parent * getAxis2Placement((express::Base) rp_attr);
return parent * get_axis2_placement((express::Base) rp_attr);
}
// IfcAxis2Placement* / IfcAxis1Placement passed in directly.
return getAxis2Placement(placement);
return get_axis2_placement(placement);
}