Talk:Albers projection

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Replace low-contrast images

I will be replacing images on the various map projection pages. Presently many are on a satellite composite image from NASA that, while realistic, poorly demonstrates the projections because of dark color and low contrast. I have created a stylization of the same data with much brighter water areas and a light graticule to contrast. See the thumbnail of the example from another article. Some images on some pages are acceptable but differ stylistically from most articles; I will replace these also.

The images will be high resolution and antialiased, with 15° graticules for world projections, red, translucent equator, red tropics, and blue polar circles.

Please discuss agreement or objections over here (not this page). I intend to start these replacements on 13 August. Thank you. Strebe (talk) 22:34, 6 August 2011 (UTC)[reply]

The claim that Albers "shows area accurately"

The original sources states: "Scale true only along standard parallels." How then underneath the caption can it accurately say, "An Albers projection shows areas accurately, but distorts shapes."? Doesn't that wrongly imply that the "Scale is true everywhere, not only along standard parallels"? Am I just misunderstanding something here? Skaerbear (talk) 02:24, 1 September 2011 (UTC)Skaerbear[reply]

The meaning of “shows areas accurately” does not mean that it shows the shape of the region accurately, but, rather, that it shows the region at its correct size. “Area” in this context does not mean “region”; it means the two-dimensional measure of the region. Strebe (talk) 03:50, 1 September 2011 (UTC)[reply]

File:Albers projection SW.jpg to appear as POTD

Hello! This is a note to let the editors of this article know that File:Albers projection SW.jpg will be appearing as picture of the day on January 29, 2015. You can view and edit the POTD blurb at Template:POTD/2015-01-29. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page. Thanks! — Crisco 1492 (talk) 14:58, 10 January 2015 (UTC)[reply]

Picture of the day

The Albers projection is a conic, equal area map projection, named after Heinrich C. Albers, that uses two standard parallels. Although scale and shape are not preserved, distortion is minimal between the standard parallels. This map is used by such agencies as the United States Geological Survey, the United States Census Bureau, and the governments of British Columbia and Yukon.Map: Strebe, using Geocart

Archive – More featured pictures...

This looks fine. Thanks again! Strebe (talk) 04:53, 13 January 2015 (UTC)[reply]

Greek letters

This is very confusing, because the greek letter phi appears in one style in the text and in a completely different style in the equations. Many people don't realise that these two styles are actually the same greek letter. Lathamibird (talk) 04:26, 29 January 2015 (UTC)[reply]

Fixed. Thanks for pointing that out. Strebe (talk) 05:08, 29 January 2015 (UTC)[reply]