var N=400; dessin=IJ.createImage("voronoi3p", "RGB", N, N, 1); ip=dessin.getProcessor(); var A=[N/2,N/4]; var B=[N/8,4*N/5]; var C=[3*N/4,N/2]; ip.putPixel(A[0],A[1],0); ip.putPixel(B[0],B[1],0); ip.putPixel(C[0],C[1],0); dessin.show();