| In the integrated home furnishing industry,in the customized design of virtual home scenes and the production of renderings,there will be problems of tedious lighting procedures and long production processes and unstable lighting effects.Based on the research and analysis of the influencing factors and law of light and shadow in virtual scenes,this subject has designed a set of intelligent lighting system,and conducted case analysis and verification.The main research results and conclusions of this paper are as follows:Taking the daytime natural style as an example,it is found that in the overall lighting,the window has the best effect when the light source is on both sides of the inside and outside.The scene satisfaction increases first and then decreases with the increase of the light source intensity on the outside of the window.The proportion of light sources increases,reaching the highest at 100%.With the increase of the light source intensity on the inner side of the window,it first increases and then decreases.With the increase of the proportion of light sources on the inner side of the window,it first increases and then decreases.The intensity of the surface light source on the inner and outer sides of the window increases with When the width of the window changes dynamically,the space exposure is uniform;the main indoor surface light source works best when moving with the chandelier.The scene satisfaction increases first and then decreases as the ratio of the main indoor light source to the space decreases,reaching a satisfactory ratio of 1:3 The intensity is the highest,with the increase of the intensity of the main surface light source in the room,it first increases and then decreases.When the intensity changes dynamically with the area of the space,the space exposure is uniform.In local lighting,the scene satisfaction first increases and then decreases with the increase of the distance between the spotlight on the wall and the wall,and first increases and then decreases with the increase in the range.The best effect is when the distance between the spotlights on the wall is 1400;the ceiling light source should be placed on the ceiling The light perception in the groove and horizontally upward is the most realistic,and the scene satisfaction increases first and then decreases with the increase of the light source intensity on the ceiling surface.In the detailed lighting,a point light source is placed at a fixed position on the ceiling to simulate the sense of chandelier light.The calculation difficulty is low and the effect is good.The scene satisfaction first increases and then decreases as the illumination range of the chandelier point light source increases,and the distance from the ceiling increases first.Increase and decrease;In order to increase the spatial light perception and enrich the scene light environment,the spotlight is used to fill the furniture model.The scene satisfaction increases first and then decreases with the increase of the distance from the spotlight to the ground,and the range of the spotlight increases.Increase first and then decrease;the simulation of direct sun light only needs to consider the direction of the light source due to the particularity of the direct light source.In order to simulate the morning light effect in most areas of China,the direct sun light is inclined from the southeast to the northwest in the scene.Illuminate downward.A case analysis of the scene and input of a real scene show that the intelligent lighting can greatly shorten the lighting time in the virtual home scene.At the same time,through the user’s evaluation of the renderings,the average satisfaction rate can reach more than 90%,satisfying the shortcomings.Time to produce high-quality renderings. |