Commit 12211d02 authored by Simon Spannagel's avatar Simon Spannagel
Browse files

Shorten transformation block 

(cherry picked from commit b70afac7)
parent 1a03676a

src/core/geometry/DetectorModel.cpp

+2 −7
Original line number Diff line number Diff line
@@ -328,13 +328,8 @@ std::optional<ROOT::Math::XYZPoint> DetectorModel::Implant::intersect(const ROOT 
        // Use Liang-Barsky line clipping method:

        auto intercept = LiangBarsky::closestIntersection(orientation_(direction), orientation_(position - offset_), size_);

        if(intercept.has_value()){

	    // first correct for the orientation

	    intercept = orientation_.Inverse()(intercept.value());

            // then for the translation

	    if(intercept.has_value()){

                auto transl = ROOT::Math::Translation3D(offset_);

                intercept = transl(intercept.value());

            }

	    // Translate back into local coordinates of the sensor:

	    intercept = orientation_.Inverse()(intercept.value()) + offset_;

        }

        return intercept;

    } else if(shape_ == Implant::Shape::ELLIPSE) {