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Computers & Programming

Linkage Program

Linkage Bug/Feature List

I’m getting more requests for features in the Linkage program than ever before. I am now using Axosoft issue tracking software to keep track of bugs and feature requests. Here’s the current list that I generated from user emails and from my memory of things that I want….

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Computers & Programming

Preview Upload File, Part 3

This post is just here to hold the sources for the latest version of the image preview JavaScript code. I moved the code out of some generic files that hold a bunch of other JavaScript code and CSS data, and into files specific to the image preview page….

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Computers & Programming

Fours Puzzle

A long time ago, my brilliant daughter was in the Gifted-and-Talented (G.T.) program at her school. She had an assignment to find an equation for each number from 0 to 50 with the rules being that the digit 4 must appear 4 times in the equation, and that…

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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…

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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;…

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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…

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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…

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Linkage Program

But I Can Build My Own

I finally figured out how to change that Box Transport Mechanism from my previous post into a Linkage mechanism that works. All I needed to do was get rid of one of the links and then add a link to do the same thing using connectors that are…

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