nv = new NameValue(name, val);
nv = new NameValue(name, value);
	protected void setParameter(String name, float value) {		Float val = new Float(value);		NameValue nv = parameters.getNameValue(name);		if (nv != null) {			nv.setValue(val);		} else {			nv = new NameValue(name, val);			this.parameters.set(nv);		}	}