Exceptions einheitlich
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@@ -245,7 +245,7 @@ def gha1_ES(ell: EllipsoidTriaxial, beta0: float, omega0: float, alpha0: float,
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P_all.append(P)
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alpha_end.append(alpha)
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if step > nsteps_est + 50:
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raise RuntimeError("Zu viele Schritte – vermutlich Konvergenzproblem / falsche Azimut-Konvention.")
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raise RuntimeError("GHA1_ES: Zu viele Schritte – vermutlich Konvergenzproblem / falsche Azimut-Konvention.")
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Pk = P_all[-1]
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alpha1 = float(alpha_end[-1])
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@@ -132,7 +132,7 @@ def gha1_ana(ell: EllipsoidTriaxial, point: NDArray, alpha0: float, s: float, ma
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_, _, h = ell.cart2geod(point_end, "ligas3")
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if h > 1e-5:
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raise Exception("Analytische Methode ist explodiert, Punkt liegt nicht mehr auf dem Ellipsoid")
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raise Exception("GHA1_ana: explodiert, Punkt liegt nicht mehr auf dem Ellipsoid")
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return point_end, alpha_end
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@@ -20,6 +20,7 @@ def gha1_approx(ell: EllipsoidTriaxial, p0: np.ndarray, alpha0: float, s: float,
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points = [p0]
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alphas = [alpha0]
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s_curr = 0.0
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last_sigma = None
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while s_curr < s:
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ds_step = min(ds, s - s_curr)
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@@ -30,6 +31,8 @@ def gha1_approx(ell: EllipsoidTriaxial, p0: np.ndarray, alpha0: float, s: float,
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alpha1 = alphas[-1]
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sigma = func_sigma_ell(ell, p1, alpha1)
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if last_sigma is not None and np.linalg.norm(sigma - last_sigma) > 0.2:
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raise Exception("GHA1_approx: Plötzlicher Richtungswechsel")
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p2 = p1 + ds_step * sigma
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p2 = ell.point_onto_ellipsoid(p2)
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@@ -43,8 +46,8 @@ def gha1_approx(ell: EllipsoidTriaxial, p0: np.ndarray, alpha0: float, s: float,
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ds_step = np.linalg.norm(p2 - p1)
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s_curr += ds_step
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if s_curr > 10000000:
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pass
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last_sigma = sigma
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pass
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if all_points:
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return points[-1], alphas[-1], np.array(points), np.array(alphas)
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@@ -79,10 +82,10 @@ def show_points(points: NDArray, p0: NDArray, p1: NDArray):
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if __name__ == '__main__':
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ell = EllipsoidTriaxial.init_name("BursaSima1980round")
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P0 = ell.para2cart(0.2, 0.3)
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alpha0 = wu.deg2rad(35)
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s = 13000000
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P0 = ell.ell2cart(wu.deg2rad(10), wu.deg2rad(1))
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alpha0 = wu.deg2rad(2)
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s = 100000
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P1_app, alpha1_app, points, alphas = gha1_approx(ell, P0, alpha0, s, ds=10000, all_points=True)
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P1_ana, alpha1_ana = gha1_ana(ell, P0, alpha0, s, maxM=60, maxPartCircum=16)
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P1_ana, alpha1_ana = gha1_ana(ell, P0, alpha0, s, maxM=20, maxPartCircum=2)
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show_points(points, P0, P1_ana)
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print(np.linalg.norm(P1_app - P1_ana))
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@@ -78,6 +78,10 @@ def gha1_num(ell: EllipsoidTriaxial, point: NDArray, alpha0: float, s: float, nu
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if alpha1 < 0:
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alpha1 += 2 * np.pi
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_, _, h = ell.cart2geod(point1, "ligas3")
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if h > 1e-5:
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raise Exception("GHA1_num: explodiert, Punkt liegt nicht mehr auf dem Ellipsoid")
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if all_points:
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return point1, alpha1, werte
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else:
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@@ -109,7 +109,7 @@ def gha2_ES(ell: EllipsoidTriaxial, P0: NDArray, Pk: NDArray, maxSegLen: float =
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startIter += 1
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maxIter = 10000
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if startIter > maxIter:
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raise RuntimeError("Abbruch: maximale Iterationen überschritten.")
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raise RuntimeError("GHA2_ES: maximale Iterationen überschritten")
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new_points.append(B)
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points = new_points
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@@ -282,7 +282,7 @@ def gha2_num(
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if (best is None) or (s_quick < best[0]):
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best = (s_quick, sol)
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if best is None:
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raise RuntimeError("Keine Startwert-Variante konvergiert (lambda-Fall).")
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raise RuntimeError("GHA2_num: Keine Startwert-Variante konvergiert (lambda-Fall)")
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beta_p0_sol = best[1]
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beta_p0 = float(beta_p0_sol)
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@@ -362,7 +362,7 @@ def gha2_num(
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break
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if abs(Y3_end) < 1e-20:
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raise RuntimeError("Abbruch (Ableitung ~ 0) im beta-Fall.")
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raise RuntimeError("GHA2_num: Ableitung ~ 0 im beta-Fall")
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step = delta / Y3_end
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step = np.clip(step, -1.0, 1.0)
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