diff --git a/src/__pycache__/fizika.cpython-36.pyc b/src/__pycache__/fizika.cpython-36.pyc
index afd7c9202a19d9ce36089497619dda3c3de325cb..1fb8fd43c8e2029740b01aca44646d7f231a7ad1 100644
Binary files a/src/__pycache__/fizika.cpython-36.pyc and b/src/__pycache__/fizika.cpython-36.pyc differ
diff --git a/src/fizika.py b/src/fizika.py
index d3360ac38f2339b7af963b7d1637c0061106297a..fc4158de654d9bf736d04c89419afb93eea57cca 100644
--- a/src/fizika.py
+++ b/src/fizika.py
@@ -1,7 +1,7 @@
 K = 8.98e9
 
 
-def tererosseg2DPont(rToltes, qToltes, rHely):
+def tererosseg2DPonttoltes(rToltes, qToltes, rHely):
     rVektor = [rHely[0] - rToltes[0], rHely[1] - rToltes[1]]
     rHossz = (rVektor[0] ** 2 + rVektor[1] ** 2) ** 0.5
     return [K * qToltes * rVektor[0] / rHossz ** 3, K * qToltes * rVektor[1] / rHossz ** 3]
@@ -15,6 +15,6 @@ def tererosseg2D(rHely, toltessuruseg, felbontas):
         return E
     else:
         for k in range(0, felbontas):
-            dE = tererosseg2DPont([0, k/felbontas], toltessuruseg/felbontas, rHely)
+            dE = tererosseg2DPonttoltes([0, k / felbontas], toltessuruseg / felbontas, rHely)
             E[0], E[1] = E[0] + dE[0], E[1] + dE[1]
         return E
diff --git a/src/plot.svg b/src/plot.svg
index 188cc6e3304b1ec5eb02b1d1bdc975c2068057d8..73cd53eab4fc3d68042b9e7c8c1a2896850a9b62 100644
--- a/src/plot.svg
+++ b/src/plot.svg
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diff --git a/src/teszt.py b/src/teszt.py
index 6bde2dc56d7ed553fc3415dc045a28b1e39b032c..c746b1504675d4006089926d2c2587f59d507cbd 100644
--- a/src/teszt.py
+++ b/src/teszt.py
@@ -1,38 +1,96 @@
-import numpy as np
 import matplotlib.pyplot as plt
 from src.fizika import tererosseg2D
+from scipy.integrate import ode as ode
 
 toltessuruseg = 1
 felbontas = 1000
+vonalsuruseg = 10
 
-
-def E(x, y):
-    return tererosseg2D([x, y], toltessuruseg, felbontas)
-
-
-# Plot demo:
-# x, y = np.meshgrid(np.linspace(-5, 5, 100), np.linspace(-5, 5, 100))
-
-# u = E(x, y)[0]
-# v = E(x, y)[1]
-XDENSITY = 10
-YDENSITY = 10
 XMIN = -.5
 XMAX = .5
 YMIN = -.5
 YMAX = 1.5
 
-XRANGE = (XMAX - XMIN)/XDENSITY
-YRANGE = (YMAX - YMIN)/YDENSITY
+palca = [[0, 0], [0, 1]]
+
+
+def irany(t, rHely):
+    vek = tererosseg2D(rHely, toltessuruseg, felbontas)
+    if vek == [0, 0]:
+        return [0, 0]
+    else:
+        hossz = (vek[0]**2 + vek[1]**2)**0.5
+        return [vek[0]/hossz, vek[1]/hossz]
+
+
+def iranymezo():
+    XDENSITY = 20
+    YDENSITY = 20
+
+    XRANGE = (XMAX - XMIN)/XDENSITY
+    YRANGE = (YMAX - YMIN)/YDENSITY
+
+    for i in range(0, XDENSITY):
+        for j in range(0, YDENSITY):
+            xcoord = XMIN + XRANGE * i
+            ycoord = YMIN + YRANGE * j
+            if xcoord != 0 or (xcoord == 0 and 1 < ycoord or ycoord < 0):
+                # print(str([xcoord, ycoord]))
+                plt.quiver(xcoord, ycoord, irany(0, [xcoord, ycoord])[0], irany(0, [xcoord, ycoord])[1], width=0.01)
+
+
+def erovonal(kezdopont, dt):
+    ev = [kezdopont]
+    r = ode(irany)
+    r.set_integrator('vode')
+    r.set_initial_value(kezdopont, 0)
+    while r.successful():
+        r.integrate(r.t + dt)
+        ev.append([r.y[0], r.y[1]])
+        if r.y[0] > XMAX or r.y[0] < XMIN or r.y[1] > YMAX or r.y[1] < YMIN:
+            break
+    return ev
+
 
+def tererovonalak():
+    # pálca belsejéből induló erővonalak
+    for k in range(1, vonalsuruseg):
+        ev = erovonal([0.01, k/vonalsuruseg], 0.008)
+        ev_x = [ev[i][0] for i in range(0, len(ev))]
+        ev_y = [ev[i][1] for i in range(0, len(ev))]
+        plt.plot(ev_x, ev_y)
+        ev = erovonal([-0.01, k/vonalsuruseg], 0.008)
+        ev_x = [ev[i][0] for i in range(0, len(ev))]
+        ev_y = [ev[i][1] for i in range(0, len(ev))]
+        plt.plot(ev_x, ev_y)
+    # pálca végeiből induló erővonalak
+    ev = erovonal([0.01, 1.0], 0.008)
+    ev_x = [ev[i][0] for i in range(0, len(ev))]
+    ev_y = [ev[i][1] for i in range(0, len(ev))]
+    plt.plot(ev_x, ev_y)
+    ev = erovonal([-0.01, 1.0], 0.008)
+    ev_x = [ev[i][0] for i in range(0, len(ev))]
+    ev_y = [ev[i][1] for i in range(0, len(ev))]
+    plt.plot(ev_x, ev_y)
+    ev = erovonal([0.0, 1.01], 0.008)
+    ev_x = [ev[i][0] for i in range(0, len(ev))]
+    ev_y = [ev[i][1] for i in range(0, len(ev))]
+    plt.plot(ev_x, ev_y)
+    ev = erovonal([0.01, 0.0], 0.008)
+    ev_x = [ev[i][0] for i in range(0, len(ev))]
+    ev_y = [ev[i][1] for i in range(0, len(ev))]
+    plt.plot(ev_x, ev_y)
+    ev = erovonal([-0.01, 0.0], 0.008)
+    ev_x = [ev[i][0] for i in range(0, len(ev))]
+    ev_y = [ev[i][1] for i in range(0, len(ev))]
+    plt.plot(ev_x, ev_y)
+    ev = erovonal([0.0, -0.01], 0.008)
+    ev_x = [ev[i][0] for i in range(0, len(ev))]
+    ev_y = [ev[i][1] for i in range(0, len(ev))]
+    plt.plot(ev_x, ev_y)
 
-for i in range(0, XDENSITY):
-    for j in range(0, YDENSITY):
-        xcoord = XMIN + XRANGE * i
-        ycoord = YMIN + YRANGE * j
-        if xcoord != 0 or (xcoord == 0 and 1 < ycoord or ycoord < 0):
-            print(str([xcoord, ycoord]))
-            plt.quiver(xcoord, ycoord, E(xcoord, ycoord)[0], E(xcoord, ycoord)[1])
 
+# iranymezo()
+tererovonalak()
 
 plt.savefig("plot.svg")