science

Precision Graphics Markup Language

Precision Graphics Markup Language is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Precision Graphics Markup Language rather than just read about it. In short: Precision Graphics Markup Language (PGML) is an XML-based language for representing vector graphics. It was a World Wide Web Consortium (W3C) submission by Adobe Systems, IBM, Netscape, and Sun Microsystems, that was not adopted as a recommendation.

Key takeaways

Precision Graphics Markup Language belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Precision Graphics Markup Language to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Precision Graphics Markup Language from memory before moving on to harder problems.

Reference excerpt

Precision Graphics Markup Language (PGML) is an XML-based language for representing vector graphics. It was a World Wide Web Consortium (W3C) submission by Adobe Systems, IBM, Netscape, and Sun Microsystems, that was not adopted as a recommendation. PGML is a 2D graphical format, offering precision for graphic artists, guaranteeing that the design created will appear in end user systems with the correct formatting, layout and the precision of color. PGML and Vector Markup Language, another XML-based vector graphics language W3C submission supported by Autodesk, Hewlett-Packard, Macromedia, Microsoft, and Visio Corporation, were later joined and improved upon to create Scalable Vector Graphics (SVG).

Applications The ArgoUML CASE tool is able to export UML diagrams in PGML.

See also List of vector graphics markup languages

References

External links W3C 1998 Note

[1]

Worked examples

Example 1 — a first encounter with Precision Graphics Markup Language

Start with the simplest possible case. Write down what Precision Graphics Markup Language claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Precision Graphics Markup Language before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Precision Graphics Markup Language ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Precision Graphics Markup Language

In research: Precision Graphics Markup Language appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Precision Graphics Markup Language in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Precision Graphics Markup Language is common in secondary-school and first-year university syllabi. It links to neighbouring topics Graphics file formats, Markup languages, Vector graphics markup languages, so understanding it makes those chapters shorter.
In everyday life: Look for Precision Graphics Markup Language outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Precision Graphics Markup Language in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Precision Graphics Markup Language means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Precision Graphics Markup Language out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Precision Graphics Markup Language in simple terms?

Why does Precision Graphics Markup Language matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Precision Graphics Markup Language?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Precision Graphics Markup Language.