Source code for compas_blender.geometry.curve


from mathutils.geometry import interpolate_bezier

from compas.geometry import add_vectors
from compas_blender.geometry._geometry import BaseBlenderGeometry


__all__ = [
    'BlenderCurve',
]


[docs]class BlenderCurve(BaseBlenderGeometry):

    def __init__(self, obj):
        super().__init__(obj)

[docs]    @classmethod
    def from_points(cls, points, degree=None):
        raise NotImplementedError

[docs]    def control_points(self):
        return self.geometry.splines[0].bezier_points

[docs]    def control_point_coordinates(self):
        points = self.control_points()
        middle = [list(i.co) for i in points]
        left = [list(i.handle_left) for i in points]
        right = [list(i.handle_right) for i in points]

        return middle, left, right

[docs]    def control_points_on(self):
        raise NotImplementedError

[docs]    def control_points_off(self):
        raise NotImplementedError

[docs]    def select_control_point(self):
        raise NotImplementedError

[docs]    def space(self, density):
        raise NotImplementedError

[docs]    def heightfield(self, density):
        raise NotImplementedError

[docs]    def curvature(self):
        raise NotImplementedError

[docs]    def tangents(self, points):
        raise NotImplementedError

[docs]    def descent(self, points):
        raise NotImplementedError

[docs]    def divide(self, number_of_segments):
        m, l, r = self.control_point_coordinates()
        points = [list(i) for i in interpolate_bezier(m[0], r[0], l[1], m[1], number_of_segments + 1)]
        return [add_vectors(self.location, point) for point in points]

[docs]    def divide_length(self, length_of_segments):
        raise NotImplementedError

[docs]    def closest_point(self, point, maxdist=None, return_param=False):
        raise NotImplementedError

[docs]    def closest_points(self, points, maxdist=None):
        raise NotImplementedError


# ==============================================================================
# Main
# ==============================================================================

if __name__ == '__main__':

    from compas_blender.utilities import draw_points
    from compas_blender.utilities import get_object_by_name

    object = get_object_by_name(name='BezierCurve')

    curve = BlenderCurve(object=object)

    print(curve)
    print(curve.control_points())
    print(curve.control_point_coordinates())

    points = [{'pos': i, 'radius': 0.1} for i in curve.divide(number_of_segments=5)]

    draw_points(points=points)
Source code for compas_blender.geometry.curve

COMPAS
