Contemporary naturalism sticks to the physical appearance of nature knowing that photography is as fictional as drawing.
Drawing has an idealistic truth that transcends whether or not you have actually see showing understanding of the processes.
Imagination breaks the physical appearance of artworks in an attempt to inch towards reality.
Neither success nor funding in the arts is ever won without a struggle.
Paint what is real to you.
Robert Henri, Art spirit seeing the painting as it exists as a physical object