// Mask shader also shades markers
PImage maskImage = loadImage("test/mask-circular.png");
shader = new MaskedMapDisplayShader(this, 400, 400, maskImage);
} else {
// Blur shader does not shade marker
shader = new BlurredMapDisplayShader(this);
}
((OpenGLMapDisplay) map.mapDisplay).setMapDisplayShader(shader);
}