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Tuesday, August 15, 2006

Painting Shadows

Yesterday's watercolor class was a brief course in light and shadow. I showed them the text and diagrams on pp. 114-116 in Exploring Color . These pages describe how shadows are a translucent veil that allows the color underneath to show through. Shadows can be a neutral gray color, cool blue or violet, or a warm color suggesting the bouncing sunlight. Next we looked at pp. 68-69 in The New Creative Artist which include definitions of qualities of light from highlight through shade, reflected light and shadow.

Then I talked about perspective in shadows and how they are harder-edged and darker at the base of the object and become gradually softer and lighter in value as they move away from it. I stressed the importance of establishing at the start where the light is coming from. In plein air this involves careful observation and being aware that the light is changing as you work. You can paint your shadow pattern first in neutral monochrome and then glaze the colors on top. If you're working from photographs or sketches, careful observation is equally important. And if you're changing the light source, you must be constantly aware of how that affects every aspect of the subject. We also talked briefly about how shadows help to describe the surface of a subject, where hard edges suggest corners and soft edges indicate soft contours. This is true of any subject from figures to landscape. Shadows are key to the illusion of reality in your picture.

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Wednesday, August 09, 2006

Easy Perspective

That's an oxymoron. If you know it, it's easy, but if you don't, there isn't anything that's much harder for an aspiring artist to understand. It all seems very logical, but the brain keeps on seeing what it expects to see instead of what is really happening, so the hand draws buildings without converging lines and sometimes makes distant figures almost as tall as foreground ones. You've probably guessed that I taught perspective in my beginning watercolor class today. It's hard, but if they want to draw buildings--and most of them do--they'll have to learn it eventually. A couple caught on pretty quickly. A couple more seemed to understand the principles and were beginning to see it in their drawings. When I taught myself perspective thirty years ago (because no one would teach it to me), it took almost two years before I had the big Ah-Ha! Maybe I'm just slow. But I do know that if you keep at it, you can master it. Just don't expect it to be easy. My favorite book on artist's perspective is Perspective Drawing Handbook. by Joseph d'Amelio. It's currently out of print, but there are a few copies available online. It doesn't get as technical as so many books do. This book helped me to get the Eureka Moment and I finally could see and draw perspective reasonably well. My motto, however, is "It doesn't have to be correct; it just has to look convincing."

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