How To Use This Wiki

This wiki style site has been set up to help improve the information available about the Cosmology and Relativity Group on the internet. Wikis are designed to encourage collaborative editing of pages and usually place few restrictions on who can view and edit material. In keeping with this spirit it is hoped that most of the information on this wiki will be accessable by anyone on the web. However, editing of pages will be restricted to members of the group. It will also be possible to restrict viewing access to individual pages although this should be a last resort.

Sources of Information

There is a plentiful supply of documentation and other information about using this wiki which runs software called TWiki.

Some sources of information include:

If in doubt, a Google search for "TWiki" plus any topic name always produces numerous results.

What do I do?

At first there is no need to do anything special. Just take a look around at the pages that have already been added. If you spot something you would like to chang, or a discussion you would like to add to, then you can take the next step towards editing a page.

Firstly, make sure that you have logged in using your usual linux username and password.

TIP You are currently not logged in.

If you are allowed to edit the page you are viewing, an "Edit" button will appear on the top right and in the menu bar at the bottom of the page. Clicking this begins the editing process. Editing takes place in a WYSIWYG editor unless you specify otherwise. You can use all the usual controls, e.g. to add bold or italic text or to create hyperlinks to other webpages. To create a link to another page on this wiki just type the WikiName of the page given in the top navbar , e.g. for this page the WikiName is HowToUseThisWiki. Instead of using the controls you could also use the TWiki formatting rules. These are much simpler than other writeup languages such as HTML, but allow for powerful and clean presentation.

Edit the page as you would like and then click the "Save" button to view the new changes. Clicking "Save and Continue" allows you to save a partial change and continue your work. If you don't want to save the changes you have made click "Cancel". The full history of all changes made to pages is saved, so do not be afraid if you accidentally delete something. The different revisions of a page can be accessed in the menu at the bottom of each page.

Can I start a page myself?

Yes, of course! It would be wise to check that someone else hasn't created a similar page already, either by searching for the topic you want to cover or looking through the list of topics already added. To add a new page to the site click "Create New Topic" in the left hand sidebar. Type the topic name, remembering that the software will attempt to use a WikiWord for the topic. If you want the new topic to be below another one in the hierarchy then either select the parent from the list provided or only click the "Create New Topic" link while viewing the parent topic.

Can I stop people outside the group seeing my page?

ALERT! If you want to restrict the ability to view a page to group members only, use the RestrictViewAccessTemplate from the drop down menu when you create a topic. To prevent outside viewing of an already created topic add the following to the preferences of the topic which you can find under "Other Options" in the bottom menu:
   * Set ALLOWTOPICVIEW = Main.CosmologyRelativityGroup
There are three spaces before the asterisk, one after it and the case of the letters is important.

How do I link to my new page?

Once you have created a new topic you must link to it from other pages in order for it to be useful. If the subject is of particular relevance consider linking to it from the [[%WEBHOME%][wiki home page]. To create your link just edit the page and add the topic name and some explanatory text. Links are automatically created to WikiWords. If you don't want the link to be the topic title you can use square brackets to link using some other text:
[[TopicIWantToLinkTo][this is the text that will become the link]]
The number of square brackets and the lack of spaces is important. You can also create links to outside websites using these brackets by substituting the full URL in the first set of brackets. Certain sites, especially other wikis, can be linked to directly by putting the name of the site, a colon and the page name, e.g.
goes to the cosmology page on Use the list of registered sites to help.

To add a link to the arXiv use the following syntax:

[[Arxiv:1001.1001][Link text here]]
You can also just write Arxiv:1001.1001 to have the link automatically added.

More Information

Along with the main documentation, a few recipes for more esoteric requirements have been put together. There is also a sandbox web which you can use as a testing area without worrying about the effects on any important content.
Topic revision: r4 - 2010-10-12 - IanHuston
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