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Computers & Programming

Linkage Program

Fixed That Bug!

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…

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Linkage Program

Bug In Linkage 2

Note: 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…

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Linkage Program

I Didn’t Copy SAM

About 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…

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Linkage Program

Animated GIF in Linkage?

Animate 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…

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Linkage Program

Linkage Bug

bug 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…

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Linkage Program

Memory Leak in Linkage

I 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…

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Computers & Programming

Aligning Grid to Rotated Image

I 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…

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Linkage Program

New Linkage 2.9.5 Ready

I 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…

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