| Realistic rendering of natural scenes has always been a hot topic in computer graphics.The realistic rendering of sea scenes is one of the most popular problems,and the rendering of sea scenes has been widely used in many fields.Traditional methods can not meet the research needs in the field of ocean modeling and mapping,which can be embodied as follows:the scale of marine scenes is difficult to simulate directly by traditional methods;traditional methods can not simulate the infrared observed features.Aiming at the urgent need in this field,this paper presents a method of modeling and rendering of large-scale ocean scenes under visible light and infrared light.Aiming at the characteristics of visible light,this paper uses the ocean spectrum method to model and render the surface of large-scale ocean scene.For the infrared feature,this paper introduces the infrared physics into the smooth particle hydrodynamics,modeling and simulating the ocean surface and ships.Furthermore,a boundary-free solution is proposed for simulating the scale problem.Finally,the real-time interactive system of large-scale ocean scene under visible light and infrared band is realized.In addition to simulating the sea surface wave and the geometrical change caused by vessel navigation,the model proposed in this paper can also obtain the infrared physical feature change of the sea water in the affected area,and prove the reason of infrared feature from the experimental simulation point of view.This is of great value in the field of target detection and rescue,military infrared stealth and confrontation. |