Tag Archives: ImageMagick

Another Julia Set animation

Click this image to view the Julia Set animation (the gif file is about 5.3MB in size, so I didn’t want to embed it here directly): This is the Python code I used to generate the 200 individual frames in … Continue reading

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Creating Julia Set images in Python

Today, I’ve been experimenting with creating Julia Set images in Python. Each of the four images above shows the same square region of the complex plane; between -2 and +2 on the real axis and between -2j and +2j on … Continue reading

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Visualising transfer functions in the Z-domain

I’m fortunate to share an office with DSP guru Richard Hayes who, over the last week or so, has given me a couple of brilliant 20-minute tutorials on the Z-transform which have really helped to clear up some points that … Continue reading

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Variable exponent in Mandelbrot algorithm

In my previous two posts, I generated images of the Mandelbrot Set using the conventional iterative mapping function to generate the sequence of complex values for each point in the area of the complex plane that was shown. I’m struggling … Continue reading

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Automating image creation with ImageMagick

I sometimes evangelise about how important it is for engineers to be familiar with “professional-grade” drawing software. My heart sinks when I see people drawing diagrams in MS Paint (the free drawing tool that comes with Windows). Software of that … Continue reading

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Modulo patterns in C (PGM and PPM)

During one my Engineering Computing classes last semester, I was writing an example C program to create a PGM image file when I accidentally produced an interesting pattern. I had been using a simple function of the pixel coordinates x … Continue reading

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