believed that a good photographer had to be able to visualize the finsihed composition in advance, including how the myrid colors, details and textures of nature would be transposed into values on a gray scale. He was a great technician of the camera.

Fist of all, you need to learn about cad and architecture or basic engineering or architecture drawing in order to prorperly use and utilize cad programs.it's as abbreviated computer-aided-drafting. it will the user acquire skills faster since it's aided by technology

Well i need to see the painting to be able to u.