blur
How much to fade out the edges of each point based on its radius (Apple/JS heatmap.blur). Default 1.0 matches Apple 1.7.0. GLES uses this as the separable blur spread multiplier.
How much to fade out the edges of each point based on its radius (Apple/JS heatmap.blur). Default 1.0 matches Apple 1.7.0. GLES uses this as the separable blur spread multiplier.