def not_line_intersect(triangles, line, verbose=False):
"""Determine if a polyline and triangle overlap
"""
line = ensure_numeric(line)
triangles = ensure_numeric(triangles)
M = triangles.shape[0]/3 # Number of triangles
indices = num.zeros(M, num.int)
count = _line_intersect(line, triangles, indices)
if verbose:
log.critical('Found %d triangles (out of %d) that intersect the line' % (count, M))
return indices[count:]
def line_intersect(triangles, line, verbose=False):
"""Determine which of a list of trianglee intersect a line
"""
line = ensure_numeric(line)
triangles = ensure_numeric(triangles)
M = triangles.shape[0]/3 # Number of triangles
indices = num.zeros(M, num.int)
count = _line_intersect(line, triangles, indices)
if verbose:
log.critical('Found %d triangles (out of %d) that intersect line' % (count, M))
return indices[:count]
def not_line_intersect(triangles, line, verbose=False):
"""Determine if a polyline and triangle overlap
"""
line = ensure_numeric(line)
triangles = ensure_numeric(triangles)
M = triangles.shape[0] / 3 # Number of triangles
indices = num.zeros(M, num.int)
count = _line_intersect(line, triangles, indices)
if verbose:
log.critical('Found %d triangles (out of %d) that intersect the line' %
(count, M))
return indices[count:]
def line_intersect(triangles, line, verbose=False):
"""Determine which of a list of trianglee intersect a line
"""
line = ensure_numeric(line)
triangles = ensure_numeric(triangles)
M = triangles.shape[0] / 3 # Number of triangles
indices = num.zeros(M, num.int)
count = _line_intersect(line, triangles, indices)
if verbose:
log.critical('Found %d triangles (out of %d) that intersect line' %
(count, M))
return indices[:count]