Digital characterization of the surface texture of chinese classical garden rockery based on point cloud visualization: small-rock mountain retreat

Heritage Science

Table 2 Statistics on the change rate of each attribute index of rockery samples

Attributes	Sample A	Sample B	Difference	Rate of change (%)
surface complexity	0.989	0.863	0.126	13
contour curvature	1.102	1.032	0.088	8
shape variation	0.214	0.143	0.071	33
interweaving degree of lightness and darkness	2.976	2.271	0.705	23