org.opentripplanner.visibility.PolarPointWithEdgeInfo Maven / Gradle / Ivy
package org.opentripplanner.visibility;
/**
Ported by David Turner from Visilibity, by Karl J. Obermeyer
This port undoubtedly introduced a number of bugs (and removed some features).
Bug reports should be directed to the OpenTripPlanner project, unless they
can be reproduced in the original VisiLibity
*/
class PolarPointWithEdgeInfo extends PolarPoint implements Cloneable {
// this was originally an iterator, bafflingly -DMT
PolarEdge incident_edge;
boolean is_first; // True iff polar_point is the first_point of the
// PolarEdge pointed to by
// incident_edge.
PolarPointWithEdgeInfo() {
super();
}
void set_polar_point(PolarPoint ppoint_temp) {
set_polar_origin(ppoint_temp.polar_origin);
set_x(ppoint_temp.x);
set_y(ppoint_temp.y);
set_range(ppoint_temp.range);
set_bearing(ppoint_temp.bearing);
}
void set(PolarPointWithEdgeInfo ppoint_temp) {
set_polar_origin(ppoint_temp.polar_origin);
set_x(ppoint_temp.x);
set_y(ppoint_temp.y);
set_range(ppoint_temp.range);
set_bearing(ppoint_temp.bearing);
incident_edge = ppoint_temp.incident_edge;
is_first = ppoint_temp.is_first;
}
// The operator < is the same as for PolarPoint with one
// exception. If two vertices have equal coordinates, but one is
// the first point of its respective edge and the other is the
// second point of its respective edge, then the vertex which is
// the second point of its respective edge is considered
// lexicographically smaller.
public int compareTo(VLPoint point2) {
if (!(point2 instanceof PolarPointWithEdgeInfo)) {
return super.compareTo(point2);
}
PolarPointWithEdgeInfo polar_point2 = (PolarPointWithEdgeInfo) point2;
int bearingComp = bearing.compareTo(polar_point2.bearing);
if (bearingComp < 0)
return -1;
else if (bearingComp == 0) {
if (range < polar_point2.range) {
return -1;
} else if (range > polar_point2.range) {
return 1;
} else {
if (!is_first && polar_point2.is_first) {
return -1;
} else if (is_first && !polar_point2.is_first) {
return 1;
}
return 0;
}
}
return 1;
}
public PolarPointWithEdgeInfo clone() {
PolarPointWithEdgeInfo temp = new PolarPointWithEdgeInfo();
temp.set(this);
return temp;
}
}