class MaximumSpaceDesignRule(__LayerDesignRule__):
""" Maximum allowed space between two edges or vertices in a single layer """
maximum_space = PositiveNumberProperty(required=True)
def __str__(self):
return "Maximum space %.3f on layer %s" % (self.maximum_space,
self.layer)
class MaximumWidthDesignRule(__LayerDesignRule__):
""" Maximum allowed width between two edges or vertices in a single layer """
maximum_width = PositiveNumberProperty(required=True)
def __str__(self):
return "Maximum width %.3f on layer %s" % (self.maximum_width,
self.layer)
class MinimumDiameterDesignRule(__LayerDesignRule__):
""" Minimum allowed width between two edges or vertices in a single layer """
minimum_diameter = PositiveNumberProperty(required=True)
def __str__(self):
return "Minimum diameter %.3f on layer %s" % (self.minimum_diameter,
self.layer)
class RibWaveguide(StripWaveguide):
depth = PositiveNumberProperty(default=1.0)
class StripWaveguide(SlabWaveguide):
width = PositiveNumberProperty(default=1.0)
class SlabWaveguide(Waveguide):
thickness = PositiveNumberProperty(default=1.0)
class MinimumEnclosureDesignRule(__TwoLayerDesignRule__):
minimum_enclosure = PositiveNumberProperty(required=True)
def __str__(self):
return "Layer %s must be enclosed by layer %s by at least %.3f micron" % (
self.layer1, self.layer2, self.minimum_enclosure)
