Unless you were holed up in a cave last week, you probably saw our announcement of OpenMacGrid. Gaurav Khanna will be writing a bit about the progress of OpenMacGrid soon, but I wanted to use my weekly post to demonstrate just how easy it is to…

Standard plotting and visualization packages are adequate for most researchers, most of the time, but what if you have to follow a path less travelled, and need diagrams that are not easily generated by existing software? With a little Python, you can relatively easily produce…

In this tutorial we are going to take a closer look at the Accelerate framework, how to use it and discuss some of its features. It’s been a while since I spoke about Accelerate, so if you don’t recall the general overview you can view…

In the first installment of this series on Cocoa programming for scientists, you got your first glimpse of Objective-C code. Hopefully you are now sufficiently recovered from the shock of that encounter to start digging deeper. In this part, we’ll take a closer look at the object…

We have now covered the fundamental aspects of Cocoa development in this tutorial series. From here on, we will branch out in many diverse directions, with each tutorial being more stand-alone than the ones preceding this one. I want to begin this exploration by revamping…

At NSConference 2010 I delivered a presentation on developing the iPhone game Sumo Master using the Core Animation framework. It covered the usual bag of tips and tricks, but also the process of development, from twinkle-in-the-eye to App-Store reality. I personally find articles and talks about the evolution of a concept…

This tutorial shows how to make an iPhone application that graphs your data. It also provides the fundamentals for incorporating many 2D and 3D graph types in your iPhone applications. The result of this tutorial is an iPhone application that looks like the following figure…

Continuing from Part I of the IKImageBrowserView tutorial, I’m going to show you how to extend the project to do things that we shouldn’t really do, but are so much fun it’s impossible to resist. And really, when has anyone ever gotten in trouble for throwing caution…

A couple of weeks ago, Apple introduced Snow Leopard, an OS release that left many users cold, but got developers very warm. Snow Leopard has a few new under-the-hood changes that are designed to make the life of a programmer that much easier in the…

With the launch of Snow Leopard this Friday, now is the time to start getting revved up for some of the new technologies coming with this release. One of them, OpenCL, is near and dear to my heart. And this tutorial series will hopefully help…