No this isn't a blog entry about global warming. It's about how Deirdre and I are spending the summer. Ever since Deirdre bought a little house in the Catskills about 4-1/2 years ago, we've been spending our summers here — pretty much the entire months of June, July, and August. This year we decided to add another couple weeks to the front end of the schedule and make the transition in mid-May. At the time we planned the early transition, I thought I'd have the WPF 3D book finished. The book is taking another month but the decision to transition earlier took on its own momentum and there seemed no way it could be stopped. I was nervous about losing book time. My head was full of rotation transforms and quaternions, and I was afraid that a little distraction would cause me to lose it all. The house is only a 2-hour drive from outside the Lincoln Tunnel, so theoretically we could be much more flexible about where we spend our time. And to a limited extent, we are flexible: During the Read More...