Ejemplo n.º 1
0
    def get_ind_under_point(self, event):
        'get the index of the vertex under point if within epsilon tolerance'
        x, y = zip(*self.poly.verts)
        
        # display coords        
        xt, yt = self.poly.get_transform().numerix_x_y(x, y)
        d = sqrt((xt-event.x)**2 + (yt-event.y)**2)
        indseq = nonzero(equal(d, amin(d)))
        ind = indseq[0]

        if d[ind]>=self.epsilon:
            ind = None

        return ind
Ejemplo n.º 2
0
    def get_ind_under_point(self, event):
        'get the index of the vertex under point if within epsilon tolerance'
        x, y = zip(*self.poly.verts)

        # display coords
        xt, yt = self.poly.get_transform().numerix_x_y(x, y)
        d = sqrt((xt - event.x)**2 + (yt - event.y)**2)
        indseq = nonzero(equal(d, amin(d)))
        ind = indseq[0]

        if d[ind] >= self.epsilon:
            ind = None

        return ind
Ejemplo n.º 3
0
def seq_allequal(seq1, seq2):
    """
    seq1 and seq2 are either None or sequences or numerix arrays
    Return True if both are None or both are seqs with identical
    elements
    """
    if seq1 is None:
        return seq2 is None

    if seq2 is None:
        return False
    #ok, neither are None:, assuming iterable

    if len(seq1) != len(seq2): return False
    return alltrue(equal(seq1, seq2))
Ejemplo n.º 4
0
def seq_allequal(seq1, seq2):
    """
    seq1 and seq2 are either None or sequences or numerix arrays
    Return True if both are None or both are seqs with identical
    elements
    """
    if seq1 is None:
        return seq2 is None

    if seq2 is None:
        return False
    #ok, neither are None:, assuming iterable
        
    if len(seq1) != len(seq2): return False
    return alltrue(equal(seq1, seq2))