def In(region):
# TODO fix type checking
#region = toType(region, Region, 'specifier "in/on R" with R not a Region')
if isinstance(region, Distribution):
extras = {'heading'} # TODO fix hack!!!
else:
extras = {} if region.orientation is None else {'heading'}
return Specifier('position', Region.uniformPointIn(region), optionals=extras)
def In(region):
"""The 'in/on <region>' specifier.
Specifies 'position', with no dependencies. Optionally specifies 'heading'
if the given Region has a preferred orientation.
"""
region = toType(region, Region, 'specifier "in/on R" with R not a Region')
extras = {'heading'} if alwaysProvidesOrientation(region) else {}
return Specifier('position', Region.uniformPointIn(region), optionals=extras)
def VisibleFrom(base):
"""The 'visible from <Point>' specifier.
Specifies 'position', with no dependencies.
This uses the given object's 'visibleRegion' property, and so correctly
handles the view regions of Points, OrientedPoints, and Objects.
"""
if not isinstance(base, Point):
raise RuntimeParseError('specifier "visible from O" with O not a Point')
return Specifier('position', Region.uniformPointIn(base.visibleRegion))
def VisibleFrom(base):
if not isinstance(base, Point):
raise RuntimeParseError('specifier "visible from O" with O not a Point')
return Specifier('position', Region.uniformPointIn(base.visibleRegion))