rm unused RectangularPixel::createAxis

Base/Pixel/RectangularPixel.cpp

@@ -75,13 +75,3 @@ double RectangularPixel::calculateSolidAngle() const
     double length = position.mag();
     return std::abs(position.dot(m_normal)) / std::pow(length, 3);
 }
-
-Scale* RectangularPixel::createAxis(size_t n) const
-{
-    const auto k00 = getPosition(0.0, 0.0);
-    const auto k01 = getPosition(0.0, 1.0);
-    const double alpha_f_min = (pi / 2) - R3Util::theta(k00);
-    const double alpha_f_max = (pi / 2) - R3Util::theta(k01);
-
-    return newEquiDivision("alpha_f (rad)", alpha_f_min, alpha_f_max, n);
-}

Base/Pixel/RectangularPixel.h

@@ -35,8 +35,6 @@ public:
     double integrationFactor(double x, double y) const override;
     double solidAngle() const override;
 
-    Scale* createAxis(size_t n) const;
-
 private:
     R3 normalizeLength(R3 direction, double length) const;
     double calculateSolidAngle() const;