coding UTF-8;

// Required to handle 3D graphs
import tool.Graph3D;


// Prepare sample coordinate arrays to plot
float xData[11][11];
float yData[11][11];
float zData[11][11];
for(int yi=0; yi<=10; yi++){
	for(int xi=0; xi<=10; xi++){
		float x = xi * 0.4 - 2.0; // from -2.0 to 2.0
		float y = yi * 0.4 - 2.0; // from -2.0 to 2.0
		float z = y*y - x*x;
		
		xData[yi][xi] = x;
		yData[yi][xi] = y;
		zData[yi][xi] = z;
	}
}


// Launch the 3D graph
int graph = newGraph3D();

// Plot the coordinate arrays on the 3D graph
setGraph3DData(graph, xData, yData, zData);

// Set plot options
setGraph3DOption(graph, "WITH_POINTS", false);   // Disable point plot
setGraph3DOption(graph, "WITH_MESHES", true);    // Enable mesh plot
setGraph3DOption(graph, "WITH_MEMBRANES", true); // Enable surface plot