int x = c.toScreenX(inPoint.getX());
int y = c.toScreenY(inPoint.getY());
if ((x > 0) && (y > 0) && (x < myGISDisplay.getWidth()) && (y < myGISDisplay.getHeight())){
Graphics g = myGISDisplay.getBufferImage().getGraphics();
g.setColor(java.awt.Color.cyan);
g.fillOval(x-5, y-5, 10,10);
g.setColor(java.awt.Color.black);
g.drawOval(x-5, y-5, 10,10);
// Draw the buffer on the display
myGISDisplay.getGraphics().drawImage(myGISDisplay.getBufferImage(), 0, 0, myGISDisplay);