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From: tcline@hpislx.HP.COM (Ted Cline)
Newsgroups: comp.graphics
Subject: Re: map projections
Message-ID: <8750002@hpislx.HP.COM>
Date: 10 Oct 90 16:07:37 GMT
References: <1990Oct8.140035.28512@vicorp.com>
Organization: Measurement Systems Operation - Loveland, CO
Lines: 48

> / hpislx:comp.graphics / earl@vicorp.com (Earl Billingsley) /  8:00 am  Oct  8, 1990 /
> 
> I need source and or references for as many map projects as possible.
> For example, Hammer, Robinson, Dymaxion, Goode Homolosine, etc.


>                                                   I don't know what
> these will contain in the way of algorithms but am interested in
> any help I can get. Thanks.
> 
> Earl Billingsley
> V.I. Corp
> 47 Pleasant St.
> Northampton Ma. 01060
> (413)586-4144 Tel.
> (413)586-3805 Fax
> ----------

I have a copy of "Mapping the World in Pascal", (BYTE Magazine, Dec
1987, p329-334).  

It describes itself as "A cartographic sampler:  Five Pascal mapping
routines that give you the power to change the face of the earth".

Which means given latitude and longitude line segment data, you can plot
different map projections:
   Equidistant Cylindrical (rectangular, but Greenland short and wide)
   Sinusoidal (almost a diamond shape)
   Mercator (rectangular, but Greenland bigger than South America)
   Orthographic (Looks like photo of earth from space)
   Hammer (Oval)

In the "FOR FURTHER READING" section:
   Johnston, William D., "Computer Generated Maps", BYTE, May and June
   1979.

   McDonnell, Porter W.  Jr., _Introduction_to_Map_Projections_, New
   York:  Marcel Dekker, 1979.

   Snyder, John P., _Map_Projections_Used_by_the_U.S._Geological_
   _Survey_, Geological Survey Bulletin 1532, 2nd ed.  Washington, D.C.:
   U.S. Government Printing Office, 1982.

----
Ted Cline                           Measurement Systems Operation R&D Lab
ted_cline@hpisla.lvld.hp.com        Hewlett-Packard, CU-325
[ihnp4|hplabs]!hpislx!tcline        815 14th Street SW
(303) 679-2352                      Loveland, CO  80537  USA