App.getActiveProject().getGeometryAssembly().clear();
var freq = [83.33, 100.00, 116.67, 133.33, 150.00, 166.67, 183.34, 200.00, 216.67, 233.34, 250.00, 266.67, 283.34, 300.00, 316.67, 333.34, 350.00, 366.67, 383.34, 400.01, 416.67, 433.34, 450.01, 466.67, 483.34, 500.01, 516.68, 533.34, 550.01, 566.68, 583.34, 600.01, 616.68, 633.34, 650.01, 666.68, 683.35, 700.01, 716.68, 733.35, 750.01, 766.68, 783.35, 800.01, 816.68, 833.35, 850.02, 866.68, 883.35, 900.02, 916.68, 933.35, 950.02, 966.68, 983.35, 1000.00, 1016.70, 1033.40, 1050.00, 1066.70] 
CreatePEC();
var units = " cm";
num_ridges = 4; // either 2 or 4
// Make the walls and a ridge
build_walls(10,1,30);
// Note that to avoid overlap, we need x0 >= y0
x0=0.04001; // previously 0.04
y0=0.04; // previously 0.04
build_ridges(x0, y0, 0.0, 0.1, 0.06, 0.3, 0.26, 0.1, 0.1, 1); 
CreateAntennaSource();
CreateGrid();
CreateSensors();
CreateAntennaSimulationData();
QueueSimulation();

// Try making copies of the ridge
var new_ridges = new EllipticalPattern();
Output.println(new_ridges.getInstances());
new_ridges.setInstances(7);
//new_ridges.clone();
//Output.println(new_ridges);

// Makes the outer walls of the horn antenna
// S is the side length of the bottom of the wall
// a is the coefficient for the linear function the walls extrude according to
function build_walls(S,m,H) 
{
	// Make the edges to define the square
	var edge1 = Line( new Cartesian3D(-S + units,-S + units, 0), new Cartesian3D(-S + units, S + units, 0));
	var edge2 = Line( new Cartesian3D(-S + units, S + units, 0), new Cartesian3D(S + units, S + units, 0));
	var edge3 = Line( new Cartesian3D(S + units,S + units, 0), new Cartesian3D(S + units, -S + units, 0));
	var edge4 = Line( new Cartesian3D(S + units,-S + units, 0), new Cartesian3D(-S + units, -S + units, 0));
	
	// Declare sketches to be made from the edges
	var wallSegment = new Sketch();
	var bottomSegment = new Sketch();
	wallSegment.addEdge(edge1);
	wallSegment.addEdge(edge2);
	wallSegment.addEdge(edge3);
	wallSegment.addEdge(edge4);
	bottomSegment.addEdge(edge1);
	bottomSegment.addEdge(edge2);
	bottomSegment.addEdge(edge3);
	bottomSegment.addEdge(edge4);

	// Let's start by making the bottom
	var bottomCover = new Cover(bottomSegment);
	var bottomRecipe = new Recipe();
	bottomRecipe.append( bottomCover );
	var bottomModel = new Model();
	bottomModel.setRecipe( bottomRecipe );
	// Add the surface
	//var bottom = App.getActiveProject().getGeometryAssembly().append(bottomModel);
	//bottom.name = "Bottom square";

	// Now we need to extrude the edges to get height
	var walls = new Extrude( wallSegment, H + units);				// Makes an Extrude
	var wallOptions = walls.getOptions();						// Gives the possible options for 
	// We will use the draft law option to extrude linearly
	wallOptions.draftOption = SweepOptions.DraftLaw;			// allows for draftlaw
	wallOptions.draftLaw = "("+m+"*x)";							// Set the expression for the extrude
	wallOptions.draftOption = 4;								// 4 indicates we use draftlaw
    //Walter - Change the gap type to Extended to get the desired shape
	wallOptions.gapType = SweepOptions.Extended; 				// I actually don't like this when we have x^2, but it doesn't do much for just x
    //Walter - Create a shell instead of a solid part
	wallOptions.createSolid = false;							// This way the shape isn't filled in
	walls.setOptions ( wallOptions );							// Sets the settings we assigned above

	// Make a recipe for a model
	var wallRecipe = new Recipe();
	wallRecipe.append(walls);
	var wallModel = new Model();
	wallModel.setRecipe(wallRecipe);
	wallModel.name = "Outer Walls";
	wallModel.getCoordinateSystem().translate(new Cartesian3D(0,0,0));	// Makes the model start at the origin

	// Set the material for these parts
	var wallProject = App.getActiveProject().getGeometryAssembly().append(wallModel);	// Adds the model to the project
	var pecMaterial = App.getActiveProject().getMaterialList().getMaterial( "PEC" );	// Makes the material available
	App.getActiveProject().setMaterial( wallProject, pecMaterial );						// Sets the material
	//App.getActiveProject().setMaterial( bottom, pecMaterial );						// Sets the material

}

// A function to build the inner ridges
// Here are the arguments, which are primarily used when making the LawEdges
// Bottom x distance from center
// Bottom y distance from center
// Top x distance from center
// Top y distance from center
// Full x
// Full y
// Full height
function build_ridges(x_0, y_0, z_0, x_f, y_f, z_f, tau, beta, S, m)
{

//	build_ridges(0.04, 0.04, 0.0, 0.1, 0.06, 0.3, 0.26, 0.1, 0.1, 1);

	// Logarithmic slopes
	//var Log1 = new LawEdge( "0.04 + u", "0.04 + 0.02/0.26*u", "1/10*ln((exp(3)-1.0)/0.26*u+1.0)", 0, 0.26); // alpha = z_max/beta
	//var Log2 = new LawEdge( "0.04 + u", "-0.04 - 0.02/0.26*u", "1/10*ln((exp(3)-1.0)/0.26*u+1.0)", 0, 0.26);

	var Log1 = new LawEdge( ""+x_0+" + ("+z_f+"-"+x_0+")/"+tau+"*u", ""+y_0+" + ("+y_f+"-"+y_0+")/"+tau+"*u", ""+beta+"*ln((exp("+z_f+"/"+beta+")-1.0)/"+tau+"*u+1.0)", 0, tau); // alpha = z_max/beta
	var Log2 = new LawEdge( ""+x_0+" + ("+z_f+"-"+x_0+")/"+tau+"*u", "-"+y_0+" - ("+y_f+"-"+y_0+")/"+tau+"*u", ""+beta+"*ln((exp("+z_f+"/"+beta+")-1.0)/"+tau+"*u+1.0)", 0, tau);


	// Inner straight slopes 
	var IS1 = new LawEdge( ""+x_0+" + ("+z_f+"-"+x_0+")/"+tau+"*u", ""+y_0+" + ("+y_f+"-"+y_0+")/"+tau+"*u", "("+z_f+"-"+z_0+")/"+tau+"*u", 0, tau); // a_0 + at, b_0 + bt, c_0 + ct
	var IS2 = new LawEdge( ""+x_0+" + ("+z_f+"-"+x_0+")/"+tau+"*u", "-"+y_0+" - ("+y_f+"-"+y_0+")/"+tau+"*u", "("+z_f+"-"+z_0+")/"+tau+"*u", 0, tau);

	// Bottom line
	var BL1 = new LawEdge(""+x_0+" + ("+x_f+"-"+x_0+")/"+tau+"*u", ""+y_0+"", ""+z_0+"", 0, tau);
	var BL2 = new LawEdge(""+x_0+" + ("+x_f+"-"+x_0+")/"+tau+"*u", "-"+y_0+"", ""+z_0+"", 0, tau);

	// Top line
	var TL1 = new LawEdge(""+z_f+" + "+x_f+"/"+tau+"*u", ""+y_f+"", ""+z_f+"", 0, tau);
	var TL2 = new LawEdge(""+z_f+" + "+x_f+"/"+tau+"*u", "-"+y_f+"", ""+z_f+"", 0, tau);

	// Outer Straight slopes
	var OS1 = new LawEdge( ""+x_f+" + "+z_f+"/"+tau+"*u", ""+y_0+" + ("+y_f+" - "+y_0+")/"+tau+"*u", ""+z_f+"/"+tau+"*u", 0, tau);
	var OS2 = new LawEdge( ""+x_f+" + "+z_f+"/"+tau+"*u", "-"+y_0+" - ("+y_f+" - "+y_0+")/"+tau+"*u", ""+z_f+"/"+tau+"*u", 0, tau);

	// Inner top line
	var ITL = new LawEdge( ""+z_f+"", "-"+y_f+" + 2*"+y_f+"/"+tau+"*u", ""+z_f+"", 0, tau);

	// Outer top line
	var OTL = new LawEdge( ""+x_f+" + "+z_f+"", "-"+y_f+" + 2*"+y_f+"/"+tau+"*u", ""+z_f+"", 0, tau);

	// Inner bottom line
	var IBL = new LawEdge( ""+x_0+"", "-"+y_0+" + 2*"+y_0+"/"+tau+"*u", ""+z_0+"", 0, tau);

	// Outer bottom line
	var OBL = new LawEdge( ""+x_f+"", "-"+y_0+" + 2*"+y_0+"/"+tau+"*u", ""+z_0+"", 0, tau);

	// Make the sketches
	var straightEdge1 = new Sketch(); 	// All straight edges (IS1, BL1, TL1, OS1)
	var straightEdge2 = new Sketch(); 	// All straight edges (IS2, BL2, TL2, OS2)	
	var curvedLog1 = new Sketch(); 		// Logarithmic edge (IS1 and Log1)
	var curvedLog2 = new Sketch(); 		// Logarithmic edge (IS2 and Log2)
	var topRectangle = new Sketch(); 	// Top rectangle
	var bottomRectangle = new Sketch(); // Bottom rectangle

	// Add the edges to the sketches
	straightEdge1.addEdges( [IS1, BL1, TL1, OS1] );	// Inner straight slope
	curvedLog1.addEdges( [IS1, Log1] );				// Right logarithm part
	straightEdge2.addEdges( [IS2, BL2, TL2, OS2] ); 	// Inner straight slope
	curvedLog2.addEdges( [IS2, Log2] );			 	// Left logarithm part
	topRectangle.addEdges( [ITL, OTL, TL1, TL2] );		// Top rectangle
	bottomRectangle.addEdges( [IBL, OBL, BL1, BL2] );	// Bottom Rectangle

	//WALTER - The Elliptical pattern is added as a recipe to the parts
	//In this case the location of the center and direction of the normal are simple, but for more complex scenarios, may need to use mroe functionality to find them.
	var ePattern = new EllipticalPattern();
	ePattern.setCenter(new CoordinateSystemPosition(0,0,0));
	ePattern.setNormal(new CoordinateSystemDirection(0,0,1));
	ePattern.setInstances(num_ridges);
	ePattern.setRotated(true);

	var cov = new Array();
	cov.push(new Cover(straightEdge1));
	cov.push(new Cover(straightEdge2));
	cov.push(new Cover(curvedLog1));
	cov.push(new Cover(curvedLog2));
	cov.push(new Cover(topRectangle));
	cov.push(new Cover(bottomRectangle));

	var pecMaterial = App.getActiveProject().getMaterialList().getMaterial( "PEC" );

	//WALTER - We can loop over all our parts and add them to the project as follows.  You can use similar concepts above.
	models = new Assembly();
	for(var w = 0; w < cov.length; w++)
	{
		var r = new Recipe();
		r.append(cov[w]);
		r.append(ePattern);
		var m = new Model();
		m.setRecipe(r);
		m.name = "Test Surface " + (w+1);
		//WALTER - Seperate array for the models, though we could just get them from the GemoetryAssembly again
		models.append(m);
		App.getActiveProject().setMaterial( m, pecMaterial );

	}

	// Work on the loft
	var vertex_position1 = curvedLog1.getPosition(curvedLog1.getVertexIds()[0]);	
	var vertex_position2 = curvedLog2.getPosition(curvedLog2.getVertexIds()[0]);

	var loft = new Loft(models.at(2).pickFace(new Cartesian3D (0, 0, 0), vertex_position1, 0.5), "0.0", models.at(3).pickFace(new Cartesian3D(0,0,0), vertex_position2, 0.5), "0.0");
	loft.setPart1(models.at(2));
	loft.setPart2(models.at(3));
		
	var r12 = new Recipe();
	r12.append( loft );
	r12.append(ePattern);
	var m12 = new Model();
	m12.setRecipe( r12 );
	m12.name = "Loft 1";
	models.append(m12);

	//WALTER - append the assembly to the project, then loop over it to assign the material
	var assembly = App.getActiveProject().getGeometryAssembly().append(models);
	for(x = 0; x < assembly.size(); x++)
	{
		Output.println(assembly.at(x));
		App.getActiveProject().setMaterial( assembly.at(x), pecMaterial );
	}

}



// CreatPEC Function
function CreatePEC() //borrowed from XF demo
{
    //Make the material.  We will use PEC, or Perfect Electrical Conductor:
    var pec = new Material();
    pec.name = "PEC";
    var pecProperties = new PEC();      // This is the electric properties that defines PEC
    var pecMagneticFreespace = new MagneticFreespace();     // We could make a material that acts as PEC and PMC, but in this case we just care about electrical components.
    var pecPhysicalMaterial = new PhysicalMaterial();
    pecPhysicalMaterial.setElectricProperties( pecProperties );
    pecPhysicalMaterial.setMagneticProperties( pecMagneticFreespace );
    pec.setDetails( pecPhysicalMaterial );
    // PEC is historically a "white" material, so we can easily change its appearance:
    var pecBodyAppearance = pec.getAppearance();
    var pecFaceAppearance = pecBodyAppearance.getFaceAppearance();  // The "face" appearance is the color/style associated with the surface of geometry objects
        pecFaceAppearance.setColor( new Color( 255, 255, 255, 255 ) );  // Set the surface color to white. (255 is the maximum intensity, these are in order R,G,B,A).
    // Check for an existing material
    if( null != App.getActiveProject().getMaterialList().getMaterial( pec.name ) )
    {
            App.getActiveProject().getMaterialList().removeMaterial( pec.name );
    }
	    App.getActiveProject().getMaterialList().addMaterial( pec );
}

function CreateAntennaSource()
{
    // Here we will create our waveform, create our circuit component definition for the feed, and create
    // a CircuitComponent that will attach those to our current geometry.
    var waveformList = App.getActiveProject().getWaveformList();
        // clear the waveform list
	    waveformList.clear();

    // Create a gaussian derivative input wave
    var waveform = new Waveform();
    var GDer = new GaussianDerivativeWaveformShape ();
    GDer.pulseWidth = 2e-9;
    waveform.setWaveformShape( GDer );
    waveform.name ="Gaussian Derivative";
    var waveformInList = waveformList.addWaveform( waveform );

    // Now to create the circuit component definition:
    var componentDefinitionList = App.getActiveProject().getCircuitComponentDefinitionList();
    // clear the list
    componentDefinitionList.clear();

    // Create our Feed
    var feed1 = new Feed();
    var feed2 = new Feed();

    feed1.feedType = Feed.Voltage; // Set its type enumeration to be Voltage.
    //feed2.feedType = Feed.Voltage; // Set its type enumeration to be Voltage.

    // Define a 50-ohm resistance for this feed
    var rlc = new RLCSpecification();
    rlc.setResistance( "50 ohm" );
    rlc.setCapacitance( "0" );
    rlc.setInductance( "0" );
    feed1.setImpedanceSpecification( rlc );
    feed1.setWaveform( waveformInList );  // Make sure to use the reference that was returned by the list, or query the list directly
    feed1.name = "50-Ohm Voltage Source";
    var feedInList = componentDefinitionList.addCircuitComponentDefinition( feed1 );


	feed2.setImpedanceSpecification( rlc );
    feed2.setWaveform( waveformInList );  // Make sure to use the reference that was returned by the list, or query the list directly
    feed2.name = "50-Ohm Voltage Source 2";
    var feedInList = componentDefinitionList.addCircuitComponentDefinition( feed2 );

    // Now create a circuit component that will be the feed point for our simulation
    var componentList = App.getActiveProject().getCircuitComponentList();
    componentList.clear();

    var component1 = new CircuitComponent();
	var component2 = new CircuitComponent();

	component1.name = "Source";
	component2.name = "Source";

    component1.setAsPort( true );
    component2.setAsPort( true );
    // Define the endpoints of this feed - these are defined in world position, but you can also attach them to edges, faces, etc.
    var coordinate1 = new CoordinateSystemPosition( -x0, 0, 0);
    var coordinate2 = new CoordinateSystemPosition( x0, 0, 0);
	var coordinate3 = new CoordinateSystemPosition( 0, -x0, 0);
    var coordinate4 = new CoordinateSystemPosition( 0, x0, 0);
    component1.setCircuitComponentDefinition( feed1 );