function plotPlane(ax1,Position,Normal,xmin,ymin,xmax,ymax)

Normal = Normal./norm(Normal);
d1 = Normal(1)*Position(1) +...
    Normal(2)*Position(2) +...
    Normal(3)*Position(3);
[xE1,yE1] = meshgrid(xmin:xmax,ymin:ymax);
zE1 = -(Normal(1).*xE1 + Normal(2).*yE1 - d1)/Normal(3);

surfEbene = surf(ax1,xE1,yE1,zE1,'FaceAlpha',0.5);
surfEbene.EdgeColor = 'none';



