Пример #1
0
 def _find_common_vertex_angle(self, cva_cond: RelationshipBased,
                               indexer: Indexer):
     r = cva_cond.relationship
     vertex = r.vertex
     ends = r.ends
     size = len(ends)
     for i in range(size):
         for j in range(i + 1, size):
             for k in range(j + 1, size):
                 angle_ij = indexer.index_angle_by_points(
                     ends[i], vertex, ends[j])
                 angle_jk = indexer.index_angle_by_points(
                     ends[j], vertex, ends[k])
                 angle_ik = indexer.index_angle_by_points(
                     ends[i], vertex, ends[k])
                 cond_ik = indexer.index_value_condition(angle_ik, 'angle')
                 if cond_ik.attr_value is None:
                     continue
                 eq_cond = index_equivalent_value(indexer, angle_ij,
                                                  'angle', angle_jk,
                                                  'angle')
                 if eq_cond is None:
                     continue
                 cond_ij = indexer.index_value_condition(angle_ij, 'angle')
                 cond_jk = indexer.index_value_condition(angle_jk, 'angle')
                 unkown_cond = [
                     c for c in [cond_ij, cond_jk] if c.attr_value is None
                 ]
                 if not unkown_cond:
                     continue
                 return [[eq_cond, cond_ik], unkown_cond]
     return None
Пример #2
0
 def _find_common_vertex_angle(self, cva_cond: RelationshipBased,
                               indexer: Indexer):
     r = cva_cond.relationship
     vertex = r.vertex
     ends = r.ends
     size = len(ends)
     for i in range(size):
         for j in range(i + 1, size):
             for k in range(j + 1, size):
                 angle_ij = indexer.index_angle_by_points(
                     ends[i], vertex, ends[j])
                 angle_jk = indexer.index_angle_by_points(
                     ends[j], vertex, ends[k])
                 angle_ik = indexer.index_angle_by_points(
                     ends[i], vertex, ends[k])
                 cond_ij = indexer.index_value_condition(angle_ij, 'angle')
                 cond_jk = indexer.index_value_condition(angle_jk, 'angle')
                 cond_ik = indexer.index_value_condition(angle_ik, 'angle')
                 if sum([
                         cond_ij.attr_value is None,
                         cond_jk.attr_value is None,
                         cond_ik.attr_value is None
                 ]) == 1:
                     return [[cva_cond, cond_ij, cond_jk], (cond_ik)]
     return None
Пример #3
0
    def index(self, indexer: Indexer):
        ret = []

        nas_conds = indexer.index_by_type(NAngleSector)
        for cond in nas_conds:
            r = cond.relationship
            # Existence of ratio condition is guaranteed.
            ratio_cond = indexer.index_value_condition(r, 'ratio')
            ratio = ratio_cond.attr_value
            p_near, p_split, p_far = r.three_ends
            vertex = r.vertex
            angle_near = indexer.index_angle_by_points(p_near, vertex, p_split)
            angle_far = indexer.index_angle_by_points(p_far, vertex, p_split)
            angle_full = indexer.index_angle_by_points(p_near, vertex, p_far)

            near_cond = indexer.index_value_condition(angle_near, 'angle')
            far_cond = indexer.index_value_condition(angle_far, 'angle')
            full_cond = indexer.index_value_condition(angle_full, 'angle')

            if full_cond.attr_value is None:
                if near_cond.attr_value is not None:
                    ret.append([[near_cond, ratio_cond, 1 / ratio], full_cond])
                elif far_cond.attr_value is not None:
                    ret.append([[far_cond, ratio_cond, 1 / (1 - ratio)],
                                full_cond])
            if near_cond.attr_value is None:
                if full_cond.attr_value is not None:
                    ret.append([[full_cond, ratio_cond, ratio], near_cond])
                elif far_cond.attr_value is not None:
                    ret.append([[far_cond, ratio_cond, ratio / (1 - ratio)],
                                near_cond])
            if far_cond.attr_value is None:
                if full_cond.attr_value is not None:
                    ret.append([[full_cond, ratio_cond, 1 - ratio], far_cond])
                elif near_cond.attr_value is not None:
                    ret.append([[near_cond, ratio_cond, (1 - ratio) / ratio],
                                far_cond])

        return ret
 def index(self, indexer: Indexer):
     ret = []
     conds = indexer.index_by_type(Perpendicular)
     for cond in conds:
         r = cond.relationship
         line1 = r.line1
         line2 = r.line2
         if r.foot_point is None:
             r.foot_point = indexer.index_line_intersection(line1, line2)
         foot_point = r.foot_point
         for p1 in [line1.end1, line1.end2]:
             for p2 in [line2.end1, line2.end2]:
                 if p1 == foot_point or p2 == foot_point:
                     continue
                 angle = indexer.index_angle_by_points(p1, foot_point, p2)
                 angle_cond = indexer.index_value_condition(angle, 'angle')
                 if angle_cond.attr_value is None:
                     ret.append([[cond], AttributeValue(angle, **{'angle': None})])
     return ret