Alexander Kolesnikov

Alexander Kolesnikov

Alexander wrote his first program in FORTRAN in the year 1979, in Java - in 1996, and also spent a number of years doing Web development with PHP. He is now a founder and a Director of Sirius Lab Ltd, a company offering solutions for iOS and Android platforms. You can also read his Sundraw blog.

Alexander Kolesnikov

Creating a Graph With Quartz 2D: Part 5

By | November 1, 2011 | iOS | iOS Tutorials | Mobile

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In the fifth and final part of his series on using Quartz 2D to create charts and graphs for iOS apps, Alexander Kolesnikov rounds it out by showing us how to draw text on the charts for use in... Read More

BuildMobile: Creating a Graph With Quartz 2D: Part 4

By | October 27, 2011 | Operating systems | Programming

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In this series of articles I am discussing the creation of charts and graphs using nothing more than Quartz 2D, a graphics rendering API created by Apple, which is a part of Core Graphics. You might... Read More

Creating a Graph With Quartz 2D: Part 4

By | October 25, 2011 | iOS | iOS Tutorials | Mobile

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We’re up to part four of Alexander Kolesnikov’s series of articles exploring the use of Quartz 2D to create charts and graphs. In this instalment we look at enabling some interactivity to the... Read More
 

BuildMobile: Creating a Graph With Quartz 2D: Part 3

By | October 19, 2011 | Operating systems | Programming

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To create a line graph, I am going to reuse the same project that we used for drawing bars in the previous part of the series. We won’t need the logic for drawing bars anymore, so comment out a... Read More

Creating a Graph With Quartz 2D: Part 3

By | October 18, 2011 | iOS | iOS Tutorials | Mobile

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In this next article in his series on using Quartz2D to create graphs, Alexander Kolesnikov reuses a lot of the existing code to create line charts in place of bar charts. His subtle code changes... Read More

Creating a Graph With Quartz 2D: Part 2

By | October 11, 2011 | iOS | iOS Tutorials | Mobile

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Continuing his articles on using Quartz 2D to create charts for iOS, Alexander Kolesnikov gets started on the drawing of the bars. Besides the actual drawing, we look into the data behind the graph,... Read More

BuildMobile: Creating a Graph With Quartz 2D

By | September 25, 2011 | Apple | ASP.NET | CSS | Operating systems | Perl | Programming | Web hosting and domains

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When I joined the team I have been working with recently, they were trying to create a graph using Core Plot, a popular third party library. It didn’t go well though, there were two big problems.... Read More
 

Creating a Graph With Quartz 2D

By | September 22, 2011 | iOS | iOS Tutorials | Mobile

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Alexander Kolesnikov concedes that there are many third party libraries created to shield developers from such level APIs, nevertheless in this article he picks up Quartz 2D to create some stunning... Read More

Step-by-Step Jakarta Tapestry

By | February 2, 2006 | Java

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The Jakarta Tapestry framework is a hidden treasure of Java web development. So says Alexander, as he steps us through the process of setting up the development environment and building a basic web... Read More