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Einstein's General Theory of Relativity demonstrates that a large mass can deform spacetime and bend the path of light. So, a very massive object, such as a cluster of galaxies can act as a gravitational lens. When light passes through the cluster from an object lying behind it, the light is bent and focused to produce an image or images of the source. The image may be magnified, distorted, or multiplied by the lens, depending upon the position of the source with respect to the lensing mass. The characteristics of the gravitationally lensed image depend upon the alignment of the observer, the lens and the background object. If the alignment is perfect, the resulting image is an Einstein Ring. With this program, one can draw images to see the effect of gravitational lensing. You can easily test the effects of several parameters by changing them and redrawing the image.
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Use GoDiagra to build custom interactive diagrams, network or process or workflow editors, flowcharts, or software design tools. GoDiagram includes many predefined kinds of nodes, links, and basic shapes including text and images. It supports layers, groups, subgraphs, scrolling, zooming, selection, drag-and-drop, clipboard, in-place editing, tooltips, grids, printing, overview window with panning, and a palette for draggable nodes.
Links can have labels and arrowheads, and their paths can be straight, rounded, or Bezier with different kinds of Pens and routed to be Orthogonal. Predefined node types include Comment, Balloon, BasicNode, IconicNode, TextNode, BoxNode, SimpleNode, GeneralNode, SubGraph and Button.
GoDiagram is 100% implemented in C# as a managed .NET Control. Its Document/View/Tool architecture is very flexible and powerful. The classes provide many properties & events to make it easy to customize the appearance and behavior.
GoDiagram includes extensive and useful sample programs with complete source code that you can modify and recompile. Sample applications include ProtoApp (a generic MDI app that includes a palette, overview window, toolbar and property grid window), OrgCharter, FlowCharter, FamilyTree, Classier (browses the GoDiagram classes), and Demo1 (demonstrates how to do various things).
GoDiagram also includes extensive documentation in the User Guides, Reference Manual, and FAQ, answering most of the questions we've received over many years of supporting our GO product lines.
The optional automatic layout components support rearranging the nodes in a diagram to make it easier to understand. GoLayout supports force-directed autolayout, incorporating electrical charge, gravitational mass, and spring length and stiffness), and layered-digraph autolayout, for tree and hierarchical organization of directed graphs.
There are no run-time royalties or deployment fees for GoDiagram components.
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Use JGo to build custom interactive diagrams, network or process or workflow editors, flowcharts, or software design tools. JGo includes many predefined kinds of nodes, links, and basic shapes including text and images. It supports layers, groups, subgraphs, scrolling, zooming, selection, drag-and-drop, clipboard, in-place editing, tooltips, grids, printing, overview window with panning, and a palette for draggable nodes.
Links can have labels and arrowheads, and their paths can be straight, rounded, or Bezier with different kinds of Pens and routed to be Orthogonal. Predefined node types include Comment, BasicNode, IconicNode, TextNode, SimpleNode, GeneralNode, and SubGraph.
JGo is 100% implemented in Java using Swing. Its Document/View/Tool architecture is very flexible and powerful. The classes provide many properties and overridable methods to make it easy to customize the appearance and behavior.
JGo includes extensive and useful sample programs with complete source code that you can modify and recompile. Sample applications include MinimalApp, BasicApp, IconicApp (simple examples), Flower (a generic MDI app that includes a palette, overview window & toolbar), FamilyTree, Classier (browses the Go.NET classes), Demo1 (demonstrates how to do various things), WebWalker (for displaying relationships between web pages), and Processor (draggable labels and routable links).
JGo also includes extensive documentation in the User Guides and a Reference Manual.
The optional automatic layout components support rearranging the nodes in a diagram to make it easier to understand. JGo AutoLayout supports force-directed autolayout, incorporating electrical charge, gravitational mass, and spring length and stiffness), and layered-digraph autolayout, for tree and hierarchical organization of directed graphs.
There are no run-time royalties or deployment fees for JGo components.
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Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Input mass, radius, coordinates and velocity components of 2 to 10 bodies manually or by dragging and dropping predefined bodies. Then watch how the orbits evolve under the mutual gravitaional attractions. Save and print the simulation.
Great for 'lab exercises' in gravitational physics or for verifying numerical answers to textbook problems. Includes 29 introductory to advanced premade simulations with activities page in html-format. Simulations include elliptical satellite orbits, Kepler's laws, double star, geocentric and heliocentric world view, Lagrange points, gravity assist, Hohmann orbit, extrasolar planet, inner solar system. Uses actual pictures of planets.
Plot orbits in a plane or in 3D. View time, distances, speeds, accelerations, energies and acceleration vectors as they change. Adjust the simulation speed to fit your computer. Zoom and change parameters during the simulation. Run up to four simultaneous simulations.
Tutorial and context-sensitive help included.
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The prime purpose of Gravitorium is to let you play with ideas about gravity and gravitational systems. While it's not intended to be a highly accurate solar system simulator, at low speeds its accuracy is really pretty good. And, best of all, it lets you "play universe maker". Throw in a few extra planets, add a black hole, set a comet plunging towards the Earth! Or create an entirely new solar system from scratch.
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Space Explorer 1.0 is an astronomically and physically realistic interactive 3D application for simulating and exploring solar systems just like a real astronaut.
Features:
* Completely customizable: Create your own solar systems
* Astronomically correct rendering of planets and stars
* Simulation of the motions of planets, stars, and the spaceship according to Newton's gravitational law
* Travel by conventional and teleportation drive
* Take videos or snapshots as you travel
* State of the art 3D graphics using Microsoft DirectX 9.0
* Comprehensive tutorial to get you up to speed quickly
* Web site community to share ideas and discuss your journeys
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This Christmas screen saver tells the story of The Night Before Christmas.The registered version plays music from Deck The Halls and We Wish You A Merry Christmas.
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Search and/or replace strings or files using regular expressions. Supports both VCL and non-VCL programming. Flexible expression options to match any type of regular expression syntax. Uses a property/method/event programming model and C++ Builder RAD programming. Comes with extensive documentation and is fully supported. The library is fast and easy to use. Header files automatically link in the correct libraries, either DLLs or static LIBs.
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1st Position is a search engine optimization tool that will help you on search engine promotion. It will help you discover and choose the right keywords that will get the most traffic to your Website and maximize your Website's Search Engine Ranking. It will generate and analyze the most popular keywords & keyword phrases related to your business. Other features are: HTML doorway page generator, top keywords, search engine spider simulator.
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Monitor a folder for new or incoming files. Rename files. Create directories based on names, extensions, creation, last accessed and modified dates. Make folders from custom text. Create folders by todays date. Move files to a new directory.
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Stop 'paying per ringtone'!
This software allows you to add midi files and pictures to your polyphonic cell phone without using cables. All you need is your PC, your phone and this software.
Most makes and models are supported including Audiovox, Alcatel, Ericsson, LG, Motorola, Nokia, Panasonic, Samsung, Sharp, Sony and Siemens with more added every week.
A free trial version is available for download from the authors website.
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The Ranking Toolbox is a unique collection of powerful tools that allow you to maximize the success of your website.
Special features:
The Analysis module dynamically analyzes search engines in order to detect their ranking criteria. The Optimization module assesses your website in relation to ranking and provides useful hints on how to optimize it. The Ranking module compares the position of your site with that of your competitors.
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Animatricks is a program for creating movies from any static image, such as photograph, drawing or diagram. Most popular image formats are supported. It can be used to make business presentations, cartoons, educational aids, or bring life to your favourite images and photographs. Animations created by the program can be exported as MPEG video clips or series of images (BMP or JPG). Stunning visuals can be produced with very little experience.
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