Author Archives: R.P. Churchill

A Simple Discrete-Event Simulation: Part 88

Posted on March 9, 2017 by R.P. Churchill

Direct link for mobile devices. Today I updated the code to define DisplayGroups for all non-Path components, which means the internal data for each component will become visible when the relevant component is clicked. Moreover, each visible DisplayGroup object can … Continue reading →

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A Simple Discrete-Event Simulation: Part 87

Posted on March 8, 2017 by R.P. Churchill

Today I connected the display of the DisplayGroup objects to the component selection event. That is, if you click on a component it brings up that component’s DisplayGroup object. This process involves several steps. First, the location on the canvas … Continue reading →

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A Simple Discrete-Event Simulation: Part 86

Posted on March 7, 2017 by R.P. Churchill

I was working to add the next behavior when I discovered that things that used to work no longer did. After a bit of digging I realized that the problem was trying to handle click events separately from mouseup and … Continue reading →

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A Simple Discrete-Event Simulation: Part 85

Posted on March 6, 2017 by R.P. Churchill

Direct link for mobile devices. Today I made the selection action work using touch events in addition to the mouse click event. The touch mechanism in JavaScript for mobile browsers does not current have a click counterpart so we have … Continue reading →

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A Simple Discrete-Event Simulation: Part 84

Posted on March 2, 2017 by R.P. Churchill

Today I implemented the ability to select graphic elements using a mouse click. This involves sensing the mouse click event and its location, variations of which we’ve already visited, and identifying the graphic element on that part of the screen. … Continue reading →

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A Simple Discrete-Event Simulation: Part 83

Posted on March 1, 2017 by R.P. Churchill

Direct link for mobile devices. Now that I have the chance to return to the Discrete-Event Simulation project the next item to work on is touch events. I had already implemented the ability to scroll the 2D display horizontally and … Continue reading →

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Different Options for Empty Web Links

Posted on February 28, 2017 by R.P. Churchill

While working on yesterday’s post I noticed, apparently after far too long, that the Intro link on my site’s main page failed to run the animation when clicked. More accurately, it would run a frame or two of it and … Continue reading →

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A Bit About Website Navigation in JavaScript

Posted on February 27, 2017 by R.P. Churchill

I had the idea that I wanted to suppress the introductory animation on my site’s main page when navigating back to it from other pages within the site (i.e., if coming from another page in the rpchurchill.com domain). This is … Continue reading →

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Website Update Complete

Posted on February 23, 2017 by R.P. Churchill

The static pages are finally complete and QCed. That’s all I have energy for. Have a great weekend!

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Data Collection: Minimum Sample Size

Posted on February 22, 2017 by R.P. Churchill

While searching my hard drive for images representative of data collection I stumbled upon something I’ve also had in mind to look for, which is guidance on how to determine the minimum required sample size. The formulas are usually variations … Continue reading →

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