computer science

Potlatch (software)

Potlatch (software) is a computer 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 Potlatch (software) rather than just read about it. In short: Potlatch is an editing tool for OpenStreetMap using Adobe AIR. For many years embedded directly within the OpenStreetMap website using Adobe Flash, it was rebuilt as a desktop application following the end-of-lifing of Flash.

Key takeaways

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

Reference excerpt

Potlatch is an editing tool for OpenStreetMap using Adobe AIR. For many years embedded directly within the OpenStreetMap website using Adobe Flash, it was rebuilt as a desktop application following the end-of-lifing of Flash.

History Potlatch 1 was released mid 2006 and was the default editor on the main OpenStreetMap site until it was replaced by Potlatch 2 in April 2011. The name Potlatch came from the name of newsletter of the Lettrist International art collective. Tim Berners-Lee demonstrated editing OpenStreetMap using Potlatch during his TED The next web talk in 2009. An alpha version of Potlatch 2, a complete reimplementation of the software, was published in summer 2010. In April 2011, Potlatch 2 was released for general use. After Microsoft had granted OpenStreetMap permission to use aerial imagery from their Bing Maps service for tracing, Potlatch 2 was extended to display these images in the background. iD began as a reimplementation of Potlatch 2 architecture in JavaScript. It replaced Potlatch 2 as the default editor on the OpenStreetMap-Website in 2013. In 2020, the OpenStreetMap Foundation provided €2,500 funding for Potlatch to be ported to Adobe AIR, so that it could continue to run as a desktop application for Microsoft Windows and Apple Macintosh after Flash was disabled in web browsers. The desktop version was subsequently released as Potlatch 3.

References

Further reading Ramm, Frederik; Topf, Jochen; Chilton, Steve (2010). OpenStreetMap: Using and Enhancing the Free Map of the World. UIT Cambridge. p. 386. ISBN 978-1-906860-11-0.

Illustrations

Worked examples

Example 1 — a first encounter with Potlatch (software)

Start with the simplest possible case. Write down what Potlatch (software) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer 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 Potlatch (software) 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 Potlatch (software) 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 Potlatch (software)

In research: Potlatch (software) appears in computer 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 Potlatch (software) 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: Potlatch (software) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Free GIS software, OpenStreetMap, Software using the WTFPL license, so understanding it makes those chapters shorter.
In everyday life: Look for Potlatch (software) 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 Potlatch (software) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Potlatch (software) 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 Potlatch (software) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Potlatch (software) in simple terms?

Why does Potlatch (software) matter?

Because it connects several computer 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 Potlatch (software)?

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 Potlatch (software).