Monthly Archives

February 2015

Computers & Programming

Simulator Steps & Gravity

The linkage program has an interesting problem; any one simulation step starts with the mechanism in its original position and then processes the inputs to generate a new position for every link. Actuator lengths are also changed to their new lengths at the same time. What this means…

Continue reading
Linkage Program

Exporting Better Images in Linkage

I updated the documentation but never posted about the new image export functionality in the Linkage program. I added the ability to select the image size from a set of four useful sizes. I also added options for scaling; to make things like lines, connector circles, and text;…

Continue reading
Linkage Program

Linkages, Cams, Gears, Etc.

With gears somewhat working in the Linkage program (there is a small glitch to fix still), I need to figure out what to do next. I have a list of user requests as well as a list of things that I want. I’m not sure what to do…

Continue reading
Computers & Programming

Programming in Swift for iOS

I just finished writing my first Swift app for iOS. It’s the very common tutorial app “Tip Calculator” which accepts a bill amount and then shows a tip and total based on the selected tip percentage. The tutorial is from the book iOS for Programmers: An App-Driven Approach…

Continue reading