public static string x3D_Sphere(Scientrace.Location aLoc, double radius, string sphere_colour, double sphere_colour_intensity)
{
if ((aLoc == null) || !aLoc.isValid())
{
throw new Exception("NULLS OR NANS DETECTED");
}
if (radius <= 0)
{
return(""); // no sphere with no radius
}
string transpstr = (sphere_colour_intensity < 1) ? " transparency='" + (1 - Math.Sqrt(sphere_colour_intensity)) + "'" : ""; /*Sqrt for visibility */
return(@"<!--X3DSphere -->
<Transform scale='" + radius + " " + radius + " " + radius + @"' translation='" + aLoc.trico() + @"'>
<Shape><Sphere />
<Appearance><Material emissiveColor='" + sphere_colour + @"'" + transpstr + @" /></Appearance>
</Shape></Transform><!-- End X3DSphere -->");
}
public static PlaneBorder createBetween3LocationsPointingTo(Scientrace.Location baseLoc, Scientrace.Location loc2, Scientrace.Location loc3, Scientrace.Location pointingToLoc)
{
Vector v1 = (loc2 - baseLoc).tryToUnitVector();
Vector v2 = (loc3 - baseLoc).tryToUnitVector();
NonzeroVector tryNormal = v1.crossProduct(v2).tryToNonzeroVector();
//Console.WriteLine("V1: "+v1.trico()+" v2:"+v2.trico()+" trynormal:"+tryNormal.trico());
PlaneBorder tryBorder = new PlaneBorder(baseLoc, tryNormal);
if (tryBorder.contains(pointingToLoc))
{
return(tryBorder);
}
tryBorder = new PlaneBorder(baseLoc, tryNormal.negative());
if (tryBorder.contains(pointingToLoc))
{
return(tryBorder);
}
throw new Exception("Couldn't create PlaneBorder containing " + pointingToLoc.trico());
} //end createBetween3LocationsPoitningTo(...)
public string getX3DTranslationTag(Scientrace.Location loc)
{
return("<Transform translation='" + loc.trico() + "'>");
}
public Scientrace.Object3d constructFresnelLens(XElement xel)
{
/* due to the complex structure of the fresnelLens (a collection)
* the generic getShadowObject3dBase method cannot be used */
ShadowScientrace.ShadowObject3d shadowO3D =
new ShadowScientrace.ShadowObject3d(typeof(Scientrace.FresnelLens), this.parentcollection,
this.parentcollection.materialproperties);
shadowO3D.arguments.Add("double_convex", this.X.getXBool(xel, "DoubleConvex", false));
//base parameters
// Both
// Some settings when FocalVector is present
if ((xel.Element("FocalVector") != null) || xel.Element("FocalLocation") != null)
{
//LensPlanoCenter must be defined. Absense will not be tolerated combined with FocalLocation or FocalVector
Scientrace.Location planoCenter = this.X.getXLocation(xel, "LensPlanoCenter");
Scientrace.NonzeroVector focalVec;
if (xel.Element("FocalLocation") != null)
{
// the relative nonzerovector based on two locations must be checked after comparing both, which implies manual error checking/throwing.
Scientrace.Vector focalLoc = this.X.getXVectorByName(xel, "FocalLocation");
try {
focalVec = (focalLoc - planoCenter).tryToNonzeroVector();
} catch (Exception e) {
Console.WriteLine("ERROR: focal vector ({FocalLocation: " + focalLoc.trico() + "} - {LensPlanoCenter:" + planoCenter.trico() + "}) cannot be zero.");
throw(e);
}
}
else
{
focalVec = this.X.getXNzVectorByName(xel, "FocalVector");
}
shadowO3D.arguments.Add("orientation_from_sphere_center", focalVec.toUnitVector());
shadowO3D.arguments.Add("focal_length", focalVec.length);
}
else
{
//possible options:
//or
shadowO3D.arguments.Add("lens_sphere_radius", this.X.getXNullDouble(xel, "LensSphereRadius"));
//or
shadowO3D.arguments.Add("focal_length", this.X.getXNullDouble(xel, "FocalLength"));
shadowO3D.arguments.Add("orientation_from_sphere_center", this.X.getXNzVectorByName(xel, "OpticalAxis").toUnitVector());
shadowO3D.arguments.Add("lens_sphere_location", this.X.getXLocation(xel, "LensSphereCenter", null));
}
shadowO3D.arguments.Add("lens_plano_center", this.X.getXLocation(xel, "LensPlanoCenter", null));
shadowO3D.arguments.Add("width_rings_count", this.X.getXNullDouble(xel, "WidthRings"));
shadowO3D.arguments.Add("height_rings_count", this.X.getXNullDouble(xel, "HeightRings"));
shadowO3D.arguments.Add("angle_rings_count", this.X.getXNullDouble(xel, "AngleRings"));
shadowO3D.arguments.Add("var_rings_count", this.X.getXNullDouble(xel, "VarRings"));
shadowO3D.arguments.Add("focus_wavelength", this.X.getXNullDouble(xel, "FocusWavelength"));
shadowO3D.arguments.Add("lens_material", this.getXMaterial(xel));
shadowO3D.arguments.Add("draw_3d_segment_linecount", this.X.getXNullInt(xel, "Draw3DLineCount"));
//possible options:
//or
shadowO3D.arguments.Add("lens_sphere_radians_min", this.X.getXNullAngleByName(xel, "MinAngle"));
shadowO3D.arguments.Add("lens_sphere_radians_max", this.X.getXNullAngleByName(xel, "MaxAngle"));
//or
shadowO3D.arguments.Add("lens_radius", this.X.getXNullDouble(xel, "Radius", (double?)0.5 * this.X.getXNullDouble(xel, "Diameter")));
//base the constructor method on the parameters submitted by the user
if (shadowO3D.hasArgument("var_rings_count")) //various radius rings are also equal width
{
return(shadowO3D.factory("VarRings"));
}
if (shadowO3D.hasArgument("angle_rings_count"))
{
return(shadowO3D.factory("EqualAngleRings"));
}
if (shadowO3D.hasArgument("width_rings_count"))
{
return(shadowO3D.factory("EqualWidthRings"));
}
if (shadowO3D.hasArgument("height_rings_count"))
{
return(shadowO3D.factory("EqualHeightRings"));
}
throw new Exception("Factory method not set/known");
} //end constructFresnelLens
public static string get_RGB_Line_XML(Scientrace.Location loc1, Scientrace.Location loc2, string colourRGBstring)
{
if (loc1 == null || loc2 == null)
{
return("");
}
return(@"<!--RGBA_Line--><Shape><LineSet vertexCount='2'><Coordinate point='" + loc2.trico() + " \t" + loc1.trico() + @"' />" +
"<Color color='" + colourRGBstring + " \t" + colourRGBstring + @"' /></LineSet></Shape>");
}