Wednesday, June 13, 2007

Reading between the Lines

I have been introducing myself to the Ruby programming language. You can try Ruby with this interactive console that runs in your browser. Ruby is a little different from Python, but it seems to be in the same class when it comes to getting work done instead of mucking about in Java or C++.

I have been touching up more mechanical-pencil-on-lined-paper drawings. This was originally from The Dark Woods, a predecessor of the Squawk role-playing game. The character on the right was a "seuss" - a vagely dog-like humanoid race with short noses and long ears. I have removed the ears so hopefully he can pass as a Squawk gremlin. This was the most difficult line-removal project so far because I had to grab samples of blue lines from all over the picture. On some of other lined-paper drawings I may have to grab the blue with the dropper tool and draw in the blue lines manually.

This comparison of predatory dinosaurs I drew about 12 or 13 years ago is strongly influenced by Greg Paul's Predatory Dinosaurs of the World. (Perhaps I should say it was more strongly influenced by Greg Paul's book. The influence of this book overwhelms the meager power of superlatives.) This picture contrasts the long, thin bodies and flexible tails of early theropods such as Coelophysis and Dilophosaurus with the compact, barrel-chested bodies and reduced or stiffened tails of dromaeosaurs, phorusrhacids and tyrannosaurs.

This is a speculatively feathered Lagosuchus (from the Latin "rabbit-crocodile" - a great name, but the original specimen is not very good, so it may be replaced by Marasuchus.) Lagosuchus is probably a "dinosauromorph" - a very close relative of dinosaurs. If some dinosaurs and pterosaurs had feathers or fuzzy insulation, perhaps they inherited this feature from a common ancestor, and all of the big scaly dinosaurs descended from small fluffy ancestors.

The Squawk universe has some new animals that are not found on our world. Some have evolved in alien environments and others have been bred or engineered by intelligent species. These hoofed flightless birds are adapted for life on the open plains. The heavy beaks are probably not efficient for delicately plucking seeds and bugs like an ostrich, so perhaps these creatures chop grass or crunch bones.

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