Spiral Drawing

Pinta is a free, open source drawing/editing program modeled after Paint.NET. Its goal is to provide users with a simple yet powerful way to draw and manipulate images on Linux, Mac, and Windows. Use easy drawing tools to draw freehand, lines, rectangles, ellipses, and more. Use layers to help... Platforms: Mac

Pinta is a free, open source drawing/editing program modeled after Paint.NET. Its goal is to provide users with a simple yet powerful way to draw and manipulate images on Linux, Mac, and Windows. Use easy drawing tools to draw freehand, lines, rectangles, ellipses, and more. Use layers to help... Platforms: Mac

Pinta is a free, open source drawing/editing program modeled after Paint.NET. Its goal is to provide users with a simple yet powerful way to draw and manipulate images on Linux, Mac, and Windows. Use easy drawing tools to draw freehand, lines, rectangles, ellipses, and more. Use layers to help... Platforms: Windows

AnyWikiDraw is a drawing editor which can be embedded into a Wiki page. Platforms: Windows, Mac, *nix, Java, BSD Solaris

A CAD/painting program written in PHP. The user requires no detailed drawing skill. All objects are functions placed on the screen by defining one or two points with parameters for the object. Produces .png-.jpg-.gif(animated)-.mpg-.pov pictures. See Hom Platforms: Windows, Mac, Linux

TundraDraw is a cross-platform ANSI drawing program written with C++, using the Qt Toolkit. Thus, it runs natively on both X environments and Windows. It features network connectivity to allow artists to draw together over the Internet. Platforms: *nix

Collaborate with co-workers and friends with BaiBoard, the most innovative application of collaborative drawing with connected services on the cloud. FEATURES: Real-time, Collaborative, with easy-to-use drawing interface. Internet-based Collaboration. A variety of drawing tools and built-in... Platforms: Mac

The aggdraw module implements the basic WCK 2D Drawing Interface on top of the AGG library. This library provides high-quality drawing, with anti-aliasing and alpha compositing, while being fully compatible with the WCK renderer. The aggdraw module can be used with PIL or the WCK library (under... Platforms: Windows, Mac, *nix, Python, BSD Solaris

It makes it easy to generate different graphs, plots, charts, maps and so on.Installation - Unpack in your modules folder (usually /sites/all/modules/) and enable under Administer > Site Building > Modules. Requirements: - Drupal 5.x Platforms: Windows, Mac, *nix, PHP, BSD Solaris

The users also have the option of drawing a continuous line (freehand).InstallationUnpack in your modules folder (usually /sites/all/modules/) and enable under Administer > Site Building > Modules. Key features "Image Overlay": - Polygons (Circle, Triangle (1 type), Positively sloped line,... Platforms: Windows, Mac, *nix, PHP, BSD Solaris

Dot is a very nice graph description language developed at MIT. Combined with Python, it makes an ideal tool to automatically generate diagrams. This script produces beautiful inheritance diagrams for Python classes (and metaclasses too). In particular the recipe allows to display the MRO (Method... Platforms: Windows, Mac, *nix, Python, BSD Solaris

beez:: is a vector-drawing editor/animator to create SVG animations based on W3C's specifications and Adobe's implementation. The program is completely based on Bezier cubic-interpolated shapes (you now know why it's called so). Even rectangles and ellipses are animatable curves.Create and... Platforms: Windows, Delphi,

Skencil is a Free Software interactive vector drawing appliction. Known to run on GNU/Linux and other UNIX-compatible systems, it is a flexible and powerful tool for illustrations, diagrams and other purposes. A somewhat unique (for a drawing program) feature of Skencil is that it is implemented... Platforms: *nix, C/C++, BSD

XDrawChem is a two-dimensional molecule drawing program. It is similar in functionality to other molecule drawing programs such as ChemDraw (TM, CambridgeSoft). It can read and write MDL Molfiles, and read ChemDraw text and binary files, to allow sharing between XDrawChem and other chemistry... Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

This file contain functions for the calculations of:- Fresnel integral with sine and cosine integral- Fresnel integrals- Diffraction loss over one knife-edge using Fresnel integration end Lee's formula- Ploting the Cornu's spiral Platforms: Matlab

Matlab implementation of a monodomain reaction-diffusion model in 2-D. The model equations are a variant of the Fitzhugh-Nagumo equations modified to simulate the cardiac action potential. The progression of the two normalized state variables, membrane voltage (v) and recovery (r), is computed... Platforms: Matlab

sometimes, you want an image that contains text, instead of manually drawing 1s and 0s , this functino takes a string and returns a matrix of 1s and 0s in the form of that string. (tjhe matrix is rectangular the text string is represented as being painted by 1s) Platforms: Matlab

DrawKit is a flexible and powerful architecture for vector drawing applications. Cocoa and Quartz provide some powerful fundamental tools for doing drawing and graphics, but they are very low level. Contrast this with Cocoa's NSTextView system - it's almost a complete word processor. Thus... Platforms: Mac

Cocoa framework for drawing graphs, charts and maps Platforms: Mac

G15composer is a scriptable command interface to the libg15render drawing functions that outputs to a g15daemon screen. G15composer exposes all graphics primitives and text rendering functions of libg15render so that they may be used in a variety of situations, including from the command line or... Platforms: *nix