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Developer on focus
Anton Zamov is a dipl. engineer with more than 6 years of active professional
experience and many awards ...
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What is Vector Markup Language (VML)?
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Vector Markup Language (VML) is an XML-based exchange, editing, and delivery format for high-quality
vector graphics on the Web. VML is supported by the most of the Microsoft's products without
any plugin , for example, Internet Explorer 5+ and Microsoft Office.
Microsoft Word, Microsoft Excel, and Microsoft PowerPoint can be used to create VML graphics.
VML has been proposed to the W3C as a standard for vector graphics on the Web. VML facilitates faster graphic
downloads and an improved user experience. It allows the deliverance of high-quality, fully integrated, scalable vector
graphics to the Web, in an open text-basedformat. Rather than referencing graphics as external files,
VML graphics are delivered inline with the HTML page, allowing them to interact with
user interaction.
The cector graphics created using VML can be embedded in Web pages in place of
the Graphics Interchange Format (GIF)and Joint Photographic Experts Group (JPEG).
Vector graphics take up less space in memory and so display much faster over
slow network connections than traditional GIF and JPEG bitmap images.
VML can support a varied range of vector graphics making it very versatile.
Vector Markup LanguageThe Vector Markup Language (VML) supports vector graphic information in
the same way that HTML supports textual information and has been available since 1998. Within VML
the content is comprised of paths described using connected lines and curves. The markup gives semantic
and presentation information for the paths. VML is a subset of XML and is written using XML syntax
just as HTML is written using theStandard Generalised Markup Language (SGML) syntax.
Vector graphics rendering is best suited to images in which shapes can be defined by mathematical
functions (for example, straight lines, simple curves, waves, circles, ellipses, squares, rectangles, and triangles).
In some situations, vector graphics are inferior to bitmap graphics. An example is a photograph of a complex
nature scene including trees, clouds, and other objects with fractal features. While it is possible to render
such an image in vector format, the vector file may contain several times as many bytes as the equivalent
bitmap file.
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About the author of this programming example or tutorial:
Anton Zamov is a software engineer with more than6 years
of active experience in web and software development and design.
Anton Zamov has extensive experience and broad knowledgebase
in C# and JAVA programming and has created a lot of
running e-commerce systems, portals and content management
systems using PHP and other web development technologies.
For more information about Anton Zamov, you may visit the personal web site of
Anton Zamov.
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