Basic Rendering Techniques, ContinuedReflectionLight from surrounding surfaces reflects back onto an object. Therefore,reflected light modifies shadow areas. Shiny or polished surfaces, such aswater, desk tops, floors, and metal objects act like mirrors and catch imagesof their surroundings. Indicate the most prominent features in the reflectionwithout too much confusing detail. Often reflections are distorted dependingon the surface texture of the reflecting surface.Figure 3-27 shows water reflecting the buildings on the shoreline above it.Figure 3-27.—Reflections of buildings off water.Light sourceThe direction light comes from alters the appearance of objects. Arrange alight source to come from the direction that best emphasizes the form. Lightfalling diagonally on subjects from above and to one side of the picture areais the most natural form of illumination. Shadows cast from this positioncreate the greatest apparent depth and roundness. A lower angle of lightcasts longer shadows. Side lighting is effective for showing texture. Toeliminate confusing edges and shadows, use a single light source rather thanseveral.3-23
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