Category:Photographs: Difference between revisions

Revision as of 13:03, 21 May 2011

All photographs in the wiki, consider placing articles in this category into one of its subcategories.

This category has the following 8 subcategories, out of 8 total.

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-This is the top-level category page for a tree of categories breaking down all images on the wiki by what kind of image they are (photograph, 3D render, etc) and what their subject is (person, machine, place, etc).  ''All'' images on this wiki should appear in one of the subcategories of this tree ''in addition'' to being placed in a category describing their subject matter as well.
+All photographs in the wiki, consider placing articles in this category into one of its subcategories.
-For example this photograph of the CEB press assembly sequence should be placed in [[:Category:Photographs of Machine Fabrication]] to describe its type and subject matter ''and'' it should be placed in [[:Category:CEB Press]] to describe what subject area it pertains to.  Various tools exist to compute the intersection and other boolean operations on sets of articles in two or more categories.  By sorting images like this and using one of these tools it will be possible to create a page showing, for example, "All of the assembly pictures of the CEB press" by simply computing the intersection of these two categories.
 [[Category:Images by Type]]