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//#include <stdfx.h>
#include <iostream>
using namespace std;
#include "space_interval.h"
// An interval of 3D real space
// Empty interval constructor
space_interval_t::space_interval_t() {
interval_t i;
i.set_real_number(0.0);
X = i;
Y = i;
Z = i;
}
// Constructor from intervals
space_interval_t::space_interval_t(interval_t& X_interval, interval_t& Y_interval, interval_t& Z_interval) {
X = X_interval;
Y = Y_interval;
Z = Z_interval;
}
void space_interval_t::set(float xmin, float xmax, float ymin, float ymax, float zmin, float zmax) {
X.set_real_interval(xmin, xmax);
Y.set_real_interval(ymin, ymax);
Z.set_real_interval(zmin, zmax);
}
ostream& operator<<(ostream&s, const space_interval_t &si) {
return( s << "{ X:" << si.X <<" Y:" << si.Y << " Z:" << si.Z <<" }");
}
// Split a space interval into one of the eight orthants
void space_interval_t::split(int i) {
X.split(i & 0x1);
Y.split(i & 0x2);
Z.split(i & 0x4);
}
// get the zone where a particular point resides
int space_interval_t::get_zone(float x, float y, float z) {
int result = 0;
if (x > X.get_center())
result |= 0x1;
if (y > Y.get_center())
result |= 0x2;
if (z > Z.get_center())
result |= 0x4;
return(result);
}
void space_interval_t::set_point(float x, float y, float z) {
X.set_real_number(x);
Y.set_real_number(y);
Z.set_real_number(z);
}
// See if two space intervals overlap
int space_interval_t::overlaps(const space_interval_t &b) const {
return(X.overlaps(b.X) && Y.overlaps(b.Y) && Z.overlaps(b.Z));
}
int space_interval_t::is_on(float x, float y, float z) {
return(X.is_on(x) && Y.is_on(y) && Z.is_on(z));
}
// Get interval
interval_t space_interval_t::get_var_value(int i) {
switch (i) {
case 0:
return(X);
break;
case 1:
return(Y);
break;
case 2:
return(Z);
break;
}
return(X); /// Hack to satsify compiler.
}
void space_interval_t::get_corners(vector_t *lower, vector_t *upper) {
lower->x = X.get_lower();
lower->y = Y.get_lower();
lower->z = Z.get_lower();
upper->x = X.get_upper();
upper->y = Y.get_upper();
upper->z = Z.get_upper();
}
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