The unit of calligraphy and painting is the city ruler, which is calculated according to the area per square foot. Generally, two decimal places are saved after the amount of calligraphy and painting is converted, and the formula is: length (meter) * width (meter) *9 (feet/square meter) = area (square feet). Chinese painting Xuan paper size (unit: CM).
Calligraphy and painting are the general names of painting and calligraphy. "There are poems in paintings and paintings in poems." In ancient China, poetry and painting were inseparable. Painting also reflects the author's emotions and thoughts. Painting often contains artists' strong thoughts and feelings, so art is deeply nourished in painting.
Extended data:
The identification of calligraphy and painting needs to understand the ancient living habits and use costumes. , but not limited to this. The appraiser should not only see the artistic value of the work, but also see its historical value.
For example, Sima Guang's Tong Jian Draft has poor calligraphy, but from the perspective of historical relics, it is very precious. Another example is the calligraphy of the Ming Dynasty, which has tens of thousands of surviving works. They can not only be used to study the art of calligraphy at that time, but also contain rich historical materials.
Without historical knowledge, it is impossible to make a proper evaluation of these things, and it is impossible to judge their authenticity according to historical materials.