http://code.activestate.com/recipes/users/4172570/2017-06-06T03:48:09-07:00ActiveState Code Recipes2017-06-06T03:48:09-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580804-interactive-mandelbrot-fractal-using-html5-canvas/

<p style="color: grey"> JavaScript recipe 580804 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/canvas/">canvas</a>, <a href="/recipes/tags/fractal/">fractal</a>, <a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/math/">math</a>). </p> <p>Interactive Mandelbrot Fractal Using HTML5 Canvas.</p> <p>(Download and save as html file and open it.)</p> <p>(Tested only using Firefox browser.)</p>

2016-09-19T18:03:09-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580698-reversi-othello/

<p style="color: grey"> Python recipe 580698 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/ai/">ai</a>, <a href="/recipes/tags/algorithm/">algorithm</a>, <a href="/recipes/tags/algorithms/">algorithms</a>, <a href="/recipes/tags/game/">game</a>, <a href="/recipes/tags/games/">games</a>). </p> <p>Reversi/Othello Board Game using Minimax, Alpha-Beta Pruning, Negamax, Negascout algorithms.</p>

2016-07-23T07:58:14-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580691-hamming-error-correction-code/

<p style="color: grey"> Python recipe 580691 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/encoding/">encoding</a>, <a href="/recipes/tags/engineering/">engineering</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/utility/">utility</a>). </p> <p>Hamming(7,4) Error Correction Code (ECC).</p>

2015-11-07T18:44:05-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579122-simple-infix-expression-evaluation/

<p style="color: grey"> Python recipe 579122 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/algorithm/">algorithm</a>, <a href="/recipes/tags/algorithms/">algorithms</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/stack/">stack</a>). </p> <p>Simple infix expression evaluation using a stack.</p>

2016-09-25T21:24:12-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580702-image-to-ascii-art-converter/

<p style="color: grey"> Python recipe 580702 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/pil/">pil</a>). </p> <p>ASCII Art Generator (Image to ASCII Art Converter)</p> <p>Input file maybe JPG, PNG, GIF etc. Output file name maybe output.txt etc.</p>

2016-07-31T22:50:28-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580695-image-projection-onto-sphere/

<p style="color: grey"> Python recipe 580695 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/image_processing/">image_processing</a>, <a href="/recipes/tags/imaging/">imaging</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/pil/">pil</a>). </p> <p>Image projection onto sphere using Equirectangular map projection.</p> <p>Download the test image from the Wikipedia page!</p>

2016-05-22T16:45:52-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580663-image-resizer/

<p style="color: grey"> Python recipe 580663 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/utilities/">utilities</a>, <a href="/recipes/tags/utility/">utility</a>). Revision 2. </p> <p>Image resizer/converter command-line utility.</p>

2010-10-11T06:20:19-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/577423-convert-csv-to-xml/

<p style="color: grey"> Python recipe 577423 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/csv/">csv</a>, <a href="/recipes/tags/xml/">xml</a>). </p> <p>Convert CSV to XML.</p>

2016-01-25T23:05:25-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/580495-random-planet-generator-using-plasma-fractal/

<p style="color: grey"> Python recipe 580495 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/fractal/">fractal</a>, <a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>). </p> <p>Random Planet Generator using 3D Plasma Fractal and Voxel-based Ray Tracing for rendering.</p> <p>Instead of generating 2D Plasma Fractal and projecting onto sphere, it generates 3D Plasma Fractal (cube) and cuts sphere from it.</p>

2015-11-08T05:08:26-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579123-infix-expression-evaluation/

<p style="color: grey"> Python recipe 579123 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/algorithm/">algorithm</a>, <a href="/recipes/tags/algorithms/">algorithms</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/stack/">stack</a>). </p> <p>Infix expression evaluation using two stacks.</p>

2015-10-16T19:52:02-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579114-reaction-diffusion-simulation/

<p style="color: grey"> Python recipe 579114 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/chaos/">chaos</a>, <a href="/recipes/tags/fractal/">fractal</a>, <a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/physics/">physics</a>, <a href="/recipes/tags/simulation/">simulation</a>). Revision 2. </p> <p>Reaction-Diffusion Simulation using Gray-Scott Model.</p>

2015-08-08T20:50:23-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579094-quasicrystal-pattern-generator/

<p style="color: grey"> Python recipe 579094 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/fractal/">fractal</a>, <a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>). </p> <p>Quasicrystal Pattern Generator</p>

2015-08-02T17:31:59-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579091-csv-to-flat-file-converter/

<p style="color: grey"> Python recipe 579091 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/csv/">csv</a>, <a href="/recipes/tags/files/">files</a>, <a href="/recipes/tags/utility/">utility</a>). </p> <p>Converts a CSV file to a flat file (table).</p>

2015-01-03T03:39:34-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/578997-2d-discrete-fourier-transform/

<p style="color: grey"> Python recipe 578997 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/image_processing/">image_processing</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/signal_processing/">signal_processing</a>). </p> <p>2D Discrete Fourier Transform (DFT) and its inverse.</p> <p>Calculates 2D DFT of an image and recreates the image using inverse 2D DFT.</p> <p>Computation is slow so only suitable for thumbnail size images.</p>

2014-12-27T21:43:53-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/578994-discrete-fourier-transform/

<p style="color: grey"> Python recipe 578994 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/signal/">signal</a>, <a href="/recipes/tags/signal_processing/">signal_processing</a>). </p> <p>Discrete Fourier Transform and Inverse Discrete Fourier Transform</p> <p>To test, it creates an input signal using a Sine wave that has known frequency, amplitude, phase. Later it calculates DFT of the input signal and finds its frequency, amplitude, phase to compare.</p>

2014-01-01T22:11:30-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/578802-send-messages-between-computers/

<p style="color: grey"> Python recipe 578802 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/chat/">chat</a>, <a href="/recipes/tags/port/">port</a>, <a href="/recipes/tags/socket/">socket</a>). </p> <p>Simple scripts to chat between computers in the same network.</p> <p>Both computers must be running both of these scripts and target ip addresses must be set correctly.</p> <p>(IP address of a computer can be found using ipconfig command.)</p>

2015-03-29T20:45:57-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579041-shortcut-utility/

<p style="color: grey"> Python recipe 579041 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/desktop/">desktop</a>, <a href="/recipes/tags/directories/">directories</a>, <a href="/recipes/tags/directory/">directory</a>, <a href="/recipes/tags/file/">file</a>, <a href="/recipes/tags/files/">files</a>, <a href="/recipes/tags/tkinter/">tkinter</a>, <a href="/recipes/tags/ui/">ui</a>, <a href="/recipes/tags/utilities/">utilities</a>, <a href="/recipes/tags/utility/">utility</a>). </p> <p>I dislike filling my desktop with shortcut icons in Windows. This code enables creating shortcuts in a CSV file.</p>

2015-07-13T18:04:30-07:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579013-draw-text-to-image/

<p style="color: grey"> Python recipe 579013 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/pil/">pil</a>). Revision 2. </p> <p>PIL does not allow resizing default bitmap font. This code resizes it by itself.</p> <p>The disadvantage is slow speed but the advantage is it becomes possible to set color of each pixel of text foreground and background.</p> <p>As an example I set foreground to reverse colors and background to grayscale.</p>

2015-01-17T19:21:47-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579006-mandelbrot-fractal-image-output-to-ppm-file/

<p style="color: grey"> Python recipe 579006 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/fractal/">fractal</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>). </p> <p>It creates image output without using any external library.</p> <p>PPM image files can be viewed and converted to other image file formats using many applications, GIMP or IrfanView for example.</p>

2015-01-18T19:14:38-08:00FB36http://code.activestate.com/recipes/users/4172570/http://code.activestate.com/recipes/579007-image-converter/

<p style="color: grey"> Python recipe 579007 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/conversion/">conversion</a>, <a href="/recipes/tags/conversions/">conversions</a>, <a href="/recipes/tags/convert/">convert</a>, <a href="/recipes/tags/converter/">converter</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/images/">images</a>, <a href="/recipes/tags/pil/">pil</a>). </p> <p>Converts an image from one format to another using PIL.</p>