TeXgraph#
Cmd
	view(-6,6,-6,6);
	Marges(0,0,0,0);
	size(10);
	[theta:=-10*deg, phi:=60*deg, ModelView(central), DistCam(20)];
Graph objet1 = [
	background(full, gray),
	P1 :=planEqn([1, 1, 1, 2]), P2 :=[Origin, vecK-vecJ],
	D := interPP(P1, P2),
	a :=Copy(getdroite(D), 1, 2),
	b :=Copy(getplan(P1, 0.75), 11, 2),
	c :=Copy(getplan(P2, 0.75), 3, 2),
	Build3D(
	        bdPlan(P1, [color :=red, opacity :=0.7, scale :=0.75 ]),
	        bdPlan(P2, [color :=blue, opacity :=0.7, scale :=0.75]),
	        bdDroite(D, [color :=darkgreen, width :=12]),
	        bdAxes([0, 0], [color :=gold, width :=8, arrows :=1]),
	        bdLabel(a, "$D$", [labelpos :=[0.5, -i]]),
	        bdLabel(b, "$P_1$", [labelpos :=[0.5, i]]),
	        bdLabel(c, "$P_2$", [labelpos :=[0.5, i]])
	),
	Display3D()
	];