mx1 = [] mx2 = [] my1 = [] my2 = [] for i in range(0, len(x1)): mx1.append(x1[i] - dx[i] / 2) my1.append(y1[i] - dy[i] / 2) mx2.append(x2[i] - dx[i] / 2) my2.append(y2[i] - dy[i] / 2) #plt = Plot(fName, "degrees","degrees") #plt.setLimits(-10,10, -10, 10) ##plt.setAxes(False,False,True, True,False, False, 1, 10); #plt.setFrameSize(500,500); #plt.draw() #plt.addPoints(cx,cy,Plot.CIRCLE); #plt.drawVectors(x1,y1,x2,y2) #plt.show() plt2 = Plot(fName, "degrees", "degrees") plt2.setLimits(-10, 10, -10, 10) plt2.setAxes(False, False, True, True, False, False, 1, 10) plt2.setFrameSize(500, 500) plt2.draw() plt2.addPoints(cx, cy, Plot.CIRCLE) plt2.drawVectors(mx1, my1, mx2, my2) plt2.setColor(java.awt.Color.RED) plt2.setLineWidth(2) plt2.addPoints(x1, y1, Plot.CIRCLE) plt2.show()