public static void readCameraSettings(XElement x3d_or_xenv_element)
{
CustomXMLDocumentOperations X = new CustomXMLDocumentOperations();
Scientrace.Vector cameraviewpoint = Scientrace.TraceJournal.Instance.cameraviewpoint;
Scientrace.Vector camrotationvec = Scientrace.TraceJournal.Instance.camrotationvector;
Scientrace.TraceJournal.Instance.labelaxes = X.getXBool(x3d_or_xenv_element, "DrawAxes", Scientrace.TraceJournal.Instance.labelaxes);
double camrotationangle = Scientrace.TraceJournal.Instance.camrotationangle;
XElement camfrom = (x3d_or_xenv_element == null? null:x3d_or_xenv_element.Element("CameraFrom"));
XElement camrot = (x3d_or_xenv_element == null? null:x3d_or_xenv_element.Element("CameraRotation"));
if (camfrom != null)
{
cameraviewpoint = X.getXNzVector(camfrom);
Scientrace.Vector camdirvec = cameraviewpoint.negative();
Scientrace.NonzeroVector defvec = new Scientrace.NonzeroVector(0, 0, -1);
camrotationangle = defvec.angleWith(camdirvec);
camrotationvec = defvec.crossProduct(camdirvec);
}
if (camrot != null)
{
camrotationvec = X.getXVectorByName(camrot, "Vector");
camrotationangle = X.getXAngleByName(camrot, "Angle");
}
Scientrace.TraceJournal.Instance.cameraviewpoint = X.getXVectorByName(x3d_or_xenv_element, "CameraViewpoint", cameraviewpoint);
Scientrace.TraceJournal.Instance.camrotationangle = camrotationangle;
if (camrotationvec != null)
{
Scientrace.TraceJournal.Instance.camrotationvector = camrotationvec;
}
}
/* Classes supporthing the creation of the lightsource */
public Scientrace.LightSource setRandomCylinderLightFromXData(XElement xlight,
Scientrace.Object3dEnvironment env)
{
//Reading LightSource parameters from XML-element
/* "RandomCylinder"
* d class.radius, d distance, i beamcount, i maxinteractions, d minintensity
* str spectrum, vec location, vec direction */
double radius = this.X.getXDouble(xlight.Attribute("Radius"));
if (radius <= 0)
{
throw new ArgumentOutOfRangeException("Radius " + radius + " out of range");
}
double distance = this.X.getXDouble(xlight.Attribute("Distance"), 0);
int beamcount = this.X.getXInt(xlight.Attribute("RayCount"), this.X.getXInt(xlight.Attribute("BeamCount")));
//int maxinteractions = this.X.getXInt(xlight.Attribute("MaxInteractions"), 8); //default value max_interactions -> 8
double minintensity = this.X.getXDouble(xlight.Attribute("MinIntensity"), 0.01); //default minimum intensity for tracing set to 1%
Scientrace.Vector light_direction = this.X.getXVector(xlight.Element("Direction"));
Scientrace.Location centerloc = this.X.getXVector(xlight.Element("Location")).toLocation();
Scientrace.Location locoffset = (light_direction.negative() * distance).toLocation(); //distance cm above surface
Scientrace.Location loc = locoffset + centerloc;
XMLSpectrumParser xsp = new XMLSpectrumParser();
Scientrace.LightSpectrum spectrum = xsp.parseLightSpectrum(xlight.Element("Spectrum"));
Scientrace.LightSource retlight = new Scientrace.RandomCircleLightSource(env,
loc, light_direction.tryToUnitVector(),
new Scientrace.Plane(new Scientrace.Location(0, 0, 0), new Scientrace.NonzeroVector(1, 0, 0), new Scientrace.NonzeroVector(0, 0, 1)),
radius, beamcount, spectrum);
//retlight.max_interactions = maxinteractions;
retlight.minimum_intensity_fraction = minintensity;
return(retlight);
}