java.lang.OutOfMemoryError: Java heap space - rada

Dobrý den,

dělám v javě školní projekt.. Jsem si vědom toho, že program je složitý a žere paměť...

Při spuštění dostávám exception... Nevím co s tím, dočetl jsem se na netu že je to problém malé paměti virtuálního stroje a že paměť jde prý zvýšit.

Píši v eclipse, na pc mám ram 4giga.

Jedna možnost je přepsat v souboru eclipse.ini

-Xms40m
-Xmx512m

Ale ať tam napíšu cokoli(reálného) tak to nefunguje. Mohl by mi někdo poradit, případně říct víc?

Díky

(při spuštění programu je celková paměť pc na 52% (běží mi ostatní aplikace), win 8, 64b, i5)

Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
	at java.awt.image.DataBufferInt.<init>(Unknown Source)
	at java.awt.image.Raster.createPackedRaster(Unknown Source)
	at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source)
	at java.awt.image.BufferedImage.<init>(Unknown Source)
	at GUI.Mapa.createImage(Mapa.java:63)
	at GUI.Mapa.paint(Mapa.java:140)
	at javax.swing.JComponent.paintChildren(Unknown Source)
	at javax.swing.JComponent.paint(Unknown Source)
	at javax.swing.JComponent.paintChildren(Unknown Source)
	at javax.swing.JComponent.paint(Unknown Source)
	at javax.swing.JComponent.paintChildren(Unknown Source)
	at javax.swing.JComponent.paint(Unknown Source)
	at javax.swing.JComponent.paintChildren(Unknown Source)
	at javax.swing.JComponent.paint(Unknown Source)
	at javax.swing.JLayeredPane.paint(Unknown Source)
	at javax.swing.JComponent.paintChildren(Unknown Source)
	at javax.swing.JComponent.paintToOffscreen(Unknown Source)
	at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
	at javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
	at javax.swing.RepaintManager.paint(Unknown Source)
	at javax.swing.JComponent.paint(Unknown Source)
	at java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)
	at sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)
	at sun.awt.SunGraphicsCallback.runComponents(Unknown Source)
	at java.awt.Container.paint(Unknown Source)
	at java.awt.Window.paint(Unknown Source)
	at javax.swing.RepaintManager$3.run(Unknown Source)
	at javax.swing.RepaintManager$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)