Smrf.NodeXL.Visualization.Wpf.VertexDrawer.GetSimpleShapeEffect C# (CSharp) Method

    GetSimpleShapeEffect
    (
        GraphDrawingContext oGraphDrawingContext,
        Double dRadius,
        Color oColor
    )
    {
        Debug.Assert(oGraphDrawingContext != null);
        Debug.Assert(dRadius >= 0);
        AssertValid();

        switch (m_eEffect)
        {
            case VertexEffect.None:

                return (null);

            case VertexEffect.OuterGlow:

                // The following mapping was determined experimentally.

                Double dGlowSize = MathUtil.TransformValueToRange(
                    (Single)(dRadius * m_dRelativeOuterGlowSize),
                    3F, 300F,
                    4F, 180F
                    );

                return ( GetEffectForOuterGlow(oColor, dGlowSize, 0.9) );

            case VertexEffect.DropShadow:

                // The following mapping was determined experimentally.

                Double dShadowDepth = MathUtil.TransformValueToRange(
                    (Single)(dRadius),
                    3F, 50F,
                    4F, 20F
                    );

                return ( GetEffectForDropShadow(oGraphDrawingContext,
                    dShadowDepth, 0.6) );

            default:

                Debug.Assert(false);
                return (null);
        }
    }