The bug mentioned in an earlier post today was an easy fix. During the simulation, I do error checking to make sure that a set of links that are being moved into their new locations are not already stuck in their current location. Sort of. Invalid Connections Shown…
Continue readingNote: The bug mentioned below has been fixed and is described in This Post. I encountered a bug in the Linkage simulation code. I have error checking for mechanisms that won’t work and I was aware of some situations that were not working right. This new problem surprised…
Continue readingAbout ten years ago, I was building a robot and I found a demo of a 4-bar linkage design program that would synthesize a mechanism based on an input curve. It suited my needs but I wanted to do more. I ended up wanting to write software for…
Continue readingAnimate Gif Converted from Linkage AVI File The image above was not created by the Linkage program. It was converted from an AVI file that was created with Linkage. I’m thinking about how I might be able to build in the GIF animation creation feature so that I…
Continue readingbug 1 [buhg] noun, verb, bugged, bug·ging. noun Also called true bug, hemipteran, hemipteron. a hemipterous insect. (loosely) any insect or insect-like invertebrate. Informal. any microorganism, especially a virus: He was laid up for a week by an intestinal bug. Informal. a defect or imperfection, as in a…
Continue readingI found a major memory leak in the Linkage program. Fortunately, the leak only added up to large amounts of memory if a simulation was running for a while. The leak was caused by my forgetting to create a virtual destructor for a C++ class. One of the…
Continue readingI could not come up with a simple math solution for this. By “simple math”, I mean a math solution that uses a single equation without sine-cosine operations to solve the problem. The Problem I have an image that is a picture of a grid of information. The…
Continue readingThis is a method for showing line numbers in online code listings without using JavaScript. Since this is so simple, I will only say that viewing the page source of this post will show the method quite clearly. This is an example of my line numbering scheme. The…
Continue readingI have a new contract job that involves the Windows Phone and I can’t make any changes to the Linkage program for a few months. Since I have some interesting features in the latest version, I wanted to share it. This new version, available here, has some recent…
Continue readingGoogle analytics is very useful for tracking hits to a site for free. I set it up for my blog to see how it worked but I wanted to track hits to www.rectorsquid.com and blog.rectorsquid.com at the same time. After searching around the web and reading various forum…
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