public void setNumSamples(int numSamples) {
        if (numSamples <= 0) {
            throw new IllegalArgumentException("numSamples must be > 0");
        }

        this.numSamples = numSamples;
    }
Sets the number of samples for antialiasing
@param numSamples the number of Samples
jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java