Linkage Program

I was contacted by a very helpful person who tried the Linkage program and had some very good suggestions. I fixed a few bugs and then implemented a few of the less complicated features that we discussed. Fixed a problem where I had added , and . shortcut…

Someone suggests adding the ability to lock the length of a link. After giving this some thought, I can think of a few ways to handle it. There are some complications though and I’m not sure how to handle them. First, the questions: If someone moves a connector…

I have started work on adding cams to the Linkage program. It has taken me a while to add this feature because of the complex nature of cams. For instance, cams can be used to control valves in an engine or they can be used to control the…

I made a minor change to add keyboard commands to the Linkage program. It already supported the typical Control-C, Control-S, etc., keyboard shortcuts for operations like Copy and Save. It now support single key operations like C or J for Connect and Join, as well as a few…

I made another improvements to the Linkage video code. It now gives 1080p HD video in the High Quality mode. It also generates the HD video using the full video area regardless of the size of the window on screen. Better Quality Video If the video doesn’t look…

I made this alternative to the traditional watt linkage for a beam engine. This changes the location of the pivot that controls the parallel motion. You can look at a few older posts to find the original design. Alternative Watt Linkage

I changed the Linkage program so that a click anywhere within a link will select it. This is in addition to the already existing code that would detect a click anywhere within about 8 pixels of the edge of a link. That selection distance was also increased for…

Higher Quality Video Higher Quality Rendering The video creation feature now supports the standard quality and a higher quality setting. The standard quality is not very fast because of the time that is spent rendering the video frame. The higher quality rendering uses some anti-alias techniques to get…

The Watt parallel motion linkage is show on the internet numerous times. A simple “watt parallel motion” search for images yields enough results to make anyone happy. The interesting thing about these images is that they all look different. Well, there are a few variations that make me…

I have had two people mention that they wanted the linkage program to run on Windows XP. One person had told me that it crashed and I then changed the install program to fail if the system is XP and not Vista or Windows 7. Well, I finally…