protected void setMapVisible(boolean visible) {

        Style style = m_mapCanvas.getStyle();
        if (visible) {
            style.clearDisplay();
        } else {
            style.setDisplay(Display.NONE);
        }
    }
protected void setMapVisible ( boolean visible ) { Style style = m_mapCanvas . getStyle ( ) ; if ( visible ) { style . clearDisplay ( ) ; } else { style . setDisplay ( Display . NONE ) ; } }
Sets the field visibility.<p>

@param visible <code>true</code> to show the field