Add dev instructions

networks/curve.py

@@ -0,0 +1,61 @@
+class Curve:
+    def __init__(self, points):
+        self.points = points  # list of tuples (x1, y1, z1) in order
+
+    def curve(points, resolution=40, debug=False):
+        """
+        Returns a 3d curve.
+
+        https://stackoverflow.com/questions/18962175/spline-interpolation-coefficients-of-a-line-curve-in-3d-space
+
+        Args:
+            points (np.array): Points where the curve should pass in order.
+            resolution (int, optional): Number of points to compute. Defaults to 40.
+            debug (bool, optional): Visual. Defaults to False.
+
+        Returns:
+            tuple: Tuple of list of each coordinate.
+        """
+        # Remove duplicates.
+        points = tuple(map(tuple, points))
+        points = sorted(set(points), key=points.index)
+
+        x_sample = []
+        y_sample = []
+        z_sample = []
+
+        for i in range(len(points)):
+            x_sample.append(points[i][0])
+            z_sample.append(points[i][1])
+            y_sample.append(points[i][2])
+
+        x_sample = np.array(x_sample)
+        y_sample = np.array(y_sample)
+        z_sample = np.array(z_sample)
+
+        tck, u = interpolate.splprep([x_sample, y_sample, z_sample], s=2, k=2)
+        x_knots, y_knots, z_knots = interpolate.splev(tck[0], tck)
+        u_fine = np.linspace(0, 1, number_true_pts)
+        x_fine, y_fine, z_fine = interpolate.splev(u_fine, tck)
+
+        if debug:
+            fig2 = plt.figure(2)
+            ax3d = fig2.add_subplot(111, projection="3d")
+            ax3d.plot(x_sample, y_sample, z_sample, "r*")
+            ax3d.plot(x_knots, y_knots, z_knots, "go")
+            ax3d.plot(x_fine, y_fine, z_fine, "r")
+            fig2.show()
+            plt.show()
+
+        x = x_fine.tolist()
+        z = y_fine.tolist()
+        y = z_fine.tolist()
+
+        for i in x:
+            i = round(i)
+        for i in y:
+            i = round(i)
+        for i in z:
+            i = round(i)
+
+        return x, y, z

networks/roads/road.py

@@ -0,0 +1,7 @@
+class Road:
+    def __init__(self, coordinates, road_type):
+        self.coordinates = coordinates # List of tuples (x1, y1, z1) in order
+        self.road_type = road_type 	# 'road', 'highway'
+
+    def place_roads(self):
+        pass