Table 1 Test result table A with world scale of 1024*1024.

From: Urban virtual environment landscape design and system based on PSO-BP neural network

Stage

Road map generation

Road model generation

Test case 1

Processing capacity per frame

210

210

Generated entity quantity

2178/1935

2178

Time (ms)

451

173

Test case 2

Processing capacity per frame

510

510

Generated entity quantity

2178/1935

2178

Time (ms)

271

105

Test case 3

Processing capacity per frame

∞

∞

Generated entity quantity

2178/1935

2178

Time (ms)

160

78