Talk:Lambert conformal conic projection

message: During a space shuttle mission you have noticed a map of the world and a location of the shuttle.  You noted that shuttle flight path appears to be on a frequency graph with high and lows vs. and smooth line.  Taking in account the tilt of the earth, what accounts for the irregular plotted flight path???
:I assume space shuttle goes up in the space before orbits. It does not travel like an aircraft does (who intends to travel  the great circle for a shortest distance to arrive at its destination on the earth). Observed from the earth, it is affected by Coriolis force, and its path is deflected, although it is supposed to be straight up to the sky in an inertial world. Does map projection have anything to do with space shuttle's path? --Natasha2006 15:36, 17 April 2007 (UTC)

message: ...?--190.56.85.26 17:13, 11 July 2007 (UTC)
thread_title:  What are the parameters? 

message: This article really needs a "history" section.  Who the heck was "Lambert"?  When & why did he invent this projection?  Who used it?
TIA.
SteveBaker (talk) 12:58, 6 July 2009 (UTC)
thread_title:  History section needed! 

message: Hello! This is a note to let the editors of this article know that :File:Lambert conformal conic projection SW.jpg will be appearing as picture of the day on September 21, 2016. You can view and edit the POTD blurb at Template:POTD/2016-09-21. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page. — Chris Woodrich (talk) 23:55, 6 September 2016 (UTC)
replies: text: Perfect as-is, Chris Woodrich. Thanks for all the hard work! Strebe (talk) 16:53, 7 September 2016 (UTC)
thread_title:  [[:File:Lambert conformal conic projection SW.jpg]] to appear as POTD soon 

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thread_title:  External links modified (January 2018) 

message: The article simply states that "conceptually, the projection seats a cone over the sphere of the Earth and projects the surface conformally onto the cone," but it doesn't explain how this projection happens. As I wrote in a  tag I tagged the text with:
:How is this projection performed? If you put a light source in the center of Earth and project from there, the resulting projection will be non-conformal (for most cases at least). It becomes especially obvious that this projection in non-conformal when the angle at the top of the cone is set to 180 degrees, which reduces the cone to a plane, for which we obtain a gnomonic projection, which is non-conformal.
—Kri (talk) 17:19, 11 April 2024 (UTC)
replies: text:  I don’t think the article should contain that explanation. The term “conceptually” is used here because the projection does not arise out of a literal projection of light onto a developable surface. It is purely a mathematical construct. As such there are map projection teachers (see M. Lapaine) who strongly object to even using “developable surfaces” as an analog, given how easy it is to misconstrue what’s actually happening. Strebe (talk) 21:32, 11 April 2024 (UTC)
thread_title:  Explanation of how the projection is performed is needed