mirror of https://github.com/VLSIDA/OpenRAM.git
32 lines
1015 B
Python
32 lines
1015 B
Python
# See LICENSE for licensing information.
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#
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# Copyright (c) 2016-2023 Regents of the University of California, Santa Cruz
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# All rights reserved.
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#
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from openram.base.vector import vector
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from .navigation_node import navigation_node
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class navigation_blockage:
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""" This class represents a blockage on the navigation graph. """
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def __init__(self, ll, ur):
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self.ll = ll
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self.ur = ur
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def create_corner_nodes(self):
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""" Create nodes on all 4 corners of this blockage. """
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corners = []
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corners.append(navigation_node(vector(self.ll[0], self.ll[1])))
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corners.append(navigation_node(vector(self.ll[0], self.ur[1])))
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corners.append(navigation_node(vector(self.ur[0], self.ll[1])))
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corners.append(navigation_node(vector(self.ur[0], self.ur[1])))
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corners[0].add_neighbor(corners[1])
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corners[0].add_neighbor(corners[2])
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corners[3].add_neighbor(corners[1])
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corners[3].add_neighbor(corners[2])
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return corners
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