Measurement of the ratio of visible green spaces in the omnidirectional field of vision using CG models and their potential applications

This paper proposes a methodology for quantitative evaluation of three-dimensional visibility of green spaces by measuring the ratio of visible green in the omnidirectional field of vision. A method of measurement using CG models based on the solid angle was developed, and it was taken into consideration type of green space (high tree, low tree, ground cover plant) and shape classification of tree crown. The three-dimensional visibility of green spaces was then evaluated at Ritsumeikan University. In addition, the multiple planting design was simulated from the perspective of efficiently taking visibility of green.