Computational analysis of graphic design visual elements and their practical utility in rural planning

Figure 1.

Figure 2.

Figure 3.

The correlation test results of visual elements and information acquisition efficiency

Gradient element	Match sample T test
Information category	Text	Icon
Correlation coefficient	0.025	-0.502**
Significance	0.895	0.001
Shadow element	Match sample T test
Information category	Text	Icon
Correlation coefficient	0.023	0.368*
Significance	0.095	0.023
Spinman Correlation test
Visual element	Gradation	Shadow
Correlation coefficient	-0.495**	0.365*
Significance	0.001	0.025

Comparison of transmission efficiency of visual elements

Element	Integrated efficiency	Ranking	Technical efficiency	Ranking	Scale efficiency	Ranking
Calendar chart	0.964	6	0.986	5	0.959	6
Word map	0.947	8	0.987	2	0.942	8
Bar chart	0.970	4	0.989	1	0.962	5
Geometric figure	0.993	1	0.987	2	0.989	1
Gradient diagram	0.968	5	0.987	2	0.963	4
Line diagram	0.988	3	0.986	5	0.985	3
Bubble chart	0.963	7	0.985	7	0.957	7
Relational diagram	0.989	2	0.985	7	0.986	2

The correlation test of visual elements and HRV

Information content	Correlation dataCorrelation coefficient	HRV variable
		PNN50	RMSSD	SDSD	SDNN	Delta index
Gradient element	Correlation coefficient	0.348	0.360	-0.235	0.241	-0.023
	Significance	0.009	0.015	0.020	0.020	0.078
Shadow element	Correlation coefficient	-0.020	-0.019	-0.075	-0.075	-0.005
	Significance	0.001	0.015	0.015	0.013	0.320

Transmission efficiency of each input index

Input index		Transfer efficiency		Efficiency sort
Index number	Index name	Primary efficiency	Redundant value and insufficient time
S1	Quantity	0.993	0.874	2
S2	Color	0.992	0.855	3
S3	Density	0.986	0.774	8
S4	Dimension	0.990	0.828	4
S5	Bearing	0.986	0.772	9
S6	Time	0.988	0.799	6
S7	Layout	0.994	0.889	1
S8	Structure	0.989	0.809	5
S9	Filtration	0.986	0.775	7
S10	Select	0.986	0.766	10
S11	Calculate	0.984	0.739	11
S12	Comparison	0.981	0.704	12

Heart rate variability data results

	PNN50	RMSSD	SDSD	SDNN	Delta index
Ordinary	3.752±11.252%	21.676±19.335	12.831±9.177	43.202±56.438	9.123±5.357
Gradation	5.943%±9.067%	25.066±15.943	15.033±11.979	38.733±70.396	9.319±6.505
Shadow	1.444%±4.563%	18.725±10.723	10.924±7.084	40.153±39.635	8.561±5.814

The correlation test results of visual elements and directions

Pairing		Mean	Standard deviation	Standard error	Upper and lower limit		T	Freedom	Sig.
					Upper	Lower
Gradient element	Left and right	0.117	1.304	0.169	-0.220	0.454	0.670	60	0.500
	Up and down	0.350	1.071	0.139	0.075	0.657	2.541	60	0.015
Shadow element	Upper left - lower right	-0.704	1.040	0.142	-0.988	-0.421	-4.976	54	0.001
	Left and right	0.000	1.441	0.201	-0.394	-0.394	0.001	54	0.095