Somebody recently ask me to explain my process in making these drawings and I was unable to provide a very clear answer to that. It seems I have been unable to stick to a failsafe recipe when it comes to drawing and I am never sure if I'm going to pull it off on the first try or if I'm about to trudge through a dozen of half-baked versions, slowly building up to something I'm finally happy with (when it comes to that, I work on the light table). Both possibilities are equally likely although if I spend some time beforehand researching my subject and visualizing the picture I want to make, it usually helps.
Over a serie of drawing though, a refining and editing process takes place and it can be seen here with the waterfall design eventhough I posted the various stages out of order.
In this case, there were three main stages to the process: visual development, water design and shot specific production design.
Example of the first stage, are the posts: 'River', 'Going down' (top), 'Waterfall' (bottom), 'Waterfall 2'.
'Rapids 3' (bottom) and 'Going down' (bottom) were devoted to water design.
The others ('Rapids', 'Rapids 2' and 'Waterfall' top) are example of the final stage in which these explorations are used to design specific shots in the movie.