// Attachment points correspond to regions in the divided box
bool GetAttachmentPosition(int attachment, double *x, double *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
// Attachment points correspond to regions in the divided box
bool GetAttachmentPosition(int attachment, double *x, double *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);