Linkage Program

It turns out that moving the sample gallery into the main menu was only a little bit troublesome and only took an hour for me to figure out how to fix. The problem appeared to be that the MFC code created a new gallery window of some sort…

The setup program now works correctly to update the Linkage program. It turns out that there are a few more manual steps I need to take when creating the installer (MSI file) so that an update actually updates the linkage.exe executable file. Microsoft really dropped the ball when…

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…