What is light and shadow painting

What you said about light and shadow painting has 2 understandings: 1, the application of light and shadow in painting: this aspect of the topic to run a lecture can not be said simply put, the painting of the light is very important, only through the light and shadow, in order to produce a sense of the body, produce a sense of space, and the light and shadow is also an important element of the atmosphere to support a certain kind of atmosphere, so the light and shadow is very important, the art of light and shadow in fact, is not a term of art, but just in order to Emphasize the light in a painting is very important. 2, the use of light and shadow painting: this is mainly to extend the exposure time of the camera, and then the painter to use the light, fire and other luminous objects, dancing in space, thus leaving traces of light and shadow on the negative, complete the painting.