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Excluder.cpp
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Excluder.cpp
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/*
* Excluder.cpp
*
* Created on: Jun 11, 2012
* Author: dkoes
*/
#include "Excluder.h"
#include <string>
#include <cmath>
//read exclusion sphere points from a json formatted stream
//and add to excluder
bool Excluder::addJSONPoints(Json::Value& root)
{
try
{
Json::Value jpoints = root["points"];
for (unsigned i = 0, n = jpoints.size(); i < n; i++)
{
Json::Value jpnt = jpoints[i];
if (jpnt.isMember("enabled") && !jpnt["enabled"].asBool())
continue;
string name = jpnt["name"].asString();
if(name == "ExclusionSphere")
{
double radius = 0;
if (jpnt.isMember("radius"))
radius = jpnt["radius"].asDouble();
if(radius > 0)
{
double x = jpnt["x"].asDouble();
double y = jpnt["y"].asDouble();
double z = jpnt["z"].asDouble();
spheres.push_back(ExclusionSphere(x,y,z,radius));
}
}
}
} catch (std::exception& e)
{
//poorly formated json
cerr << "Parse " << e.what() << "\n";
return false;
}
return true;
}
bool Excluder::isExcluded(const FloatCoord& pnt) const
{
for(unsigned i = 0, n = spheres.size(); i < n; i++)
{
if(spheres[i].contains(pnt.x,pnt.y,pnt.z))
return true;
}
return false;
}
void Excluder::addToJSON(Json::Value& root) const
{
Json::Value jpoints = root["points"];
unsigned start = jpoints.size();
for(unsigned i = 0, n = spheres.size(); i < n; i++)
{
Json::Value& pt = root["points"][start+i];
pt["name"] = "ExclusionSphere";
pt["x"] = spheres[i].x;
pt["y"] = spheres[i].y;
pt["z"] = spheres[i].z;
pt["radius"] = sqrt(spheres[i].rSq);
}
}