Electromagnetic field intensity real time visualized method

The present invention relates to a real-time visualization method of electromagnetic field intensity. Collected electromagnetic field intensity data is processed storage management by using octree storage structure, and is select processed scalar visualization or vector visualization according with need, graphics drawing and romance is realized by using OpenGL or DirectX as 3D program interface selecting static state graphics image or animation method visual electromagnetic field; data is read according with detail level, or order and data need to be romanced to graphics processing unit are confirmed and romanced to display screen using uniform data format; electromagnetic field visualization effect can be dynamic realized finally by updating romance data. Processing efficiency of electromagnetic field intensity real-time visualization can be increased and multiformity request of electromagnetic field visualization method can be satisfied by using the method. The system can be realized in normal PC machine, dependency of system to high performance can be reduced and universality of electromagnetic visualization appliance is broadened.