add a Script directory for usefull scripts

src/Scripts/plot_3DST.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+
+# a lancer depuis src
+import sys
+from matplotlib import pyplot as plt
+from Model.Geometry.Reach import Reach
+from numpy import mean
+
+def set_axes_equal(ax):
+    '''Make axes of 3D plot have equal scale so that spheres appear as spheres,
+    cubes as cubes, etc..  This is one possible solution to Matplotlib's
+    ax.set_aspect('equal') and ax.axis('equal') not working for 3D.
+
+    Input
+      ax: a matplotlib axis, e.g., as output from plt.gca().
+    '''
+
+    x_limits = ax.get_xlim3d()
+    y_limits = ax.get_ylim3d()
+    z_limits = ax.get_zlim3d()
+
+    x_range = abs(x_limits[1] - x_limits[0])
+    x_middle = mean(x_limits)
+    y_range = abs(y_limits[1] - y_limits[0])
+    y_middle = mean(y_limits)
+    z_range = abs(z_limits[1] - z_limits[0])
+    z_middle = mean(z_limits)
+
+    # The plot bounding box is a sphere in the sense of the infinity
+    # norm, hence I call half the max range the plot radius.
+    plot_radius = 0.5*max([x_range, y_range, z_range])
+
+    ax.set_xlim3d([x_middle - plot_radius, x_middle + plot_radius])
+    ax.set_ylim3d([y_middle - plot_radius, y_middle + plot_radius])
+    ax.set_zlim3d([z_middle - plot_radius, z_middle + plot_radius])
+
+st_file = sys.argv[1]
+my_reach = Reach(None)
+my_reach.import_geometry(st_file)
+my_reach.compute_guidelines()
+
+ax = plt.figure().add_subplot(projection="3d")
+for x, y, z in zip(my_reach.get_x(), my_reach.get_y(), my_reach.get_z()):
+    ax.plot(x, y, z, color='r', lw=1.)
+for x, y, z in zip(my_reach.get_guidelines_x(), my_reach.get_guidelines_y(), my_reach.get_guidelines_z()):
+    ax.plot(x, y, z, color='b', lw=1.)
+ax.set_xlabel('X')
+ax.set_ylabel('Y')
+ax.set_zlabel('Z')
+plt.tight_layout()
+set_axes_equal(ax)
+plt.show()