-------- Original Message --------
Subject: Re: Can world maps be centered on varying coordinates
Date: Fri, 22 Feb 2013 16:52:30 -0800 (GMT-08:00)
From: Jon Jablonski <[log in to unmask]>
To: Air Photo Maps, GIS Forum - Map Librarianship <[log in to unmask]>
whoops--at some point our discussion became W90degrees to E90degrees. I
think that was a Friday inspired slip--we all know we meant W180 to E180.
Or 180 to -180. ;)
Jon Jablonski
Map & Imagery Laboratory
UC Santa Barbara
----- "Angie Cope, American Geographical Society Library, UW Milwaukee"
<[log in to unmask]> wrote:
> -------- Original Message --------
> Subject: Re: Can world maps be centered on varying coordinates
> Date: Fri, 22 Feb 2013 14:23:57 -0500 (EST)
> From: Paige G Andrew <[log in to unmask]>
> To: Air Photo Maps, GIS Forum - Map Librarianship
> <[log in to unmask]>
>
>
> Thanks for sharing this link Mark. It is always helpful to be able to
> see what is being questioned.
>
> I still disagree with the cataloger's decision to use the same
> direction
> for both coordinate values, though I can see that 90 degrees is
> accurate. Just because the "starting and ending points" are the same
> doesn't change the bibliographic descriptive practice of designating
> the
> line as being both West and East. If it were me, I would describe as:
>
> (W 90--E 90/N 90--S 90)
>
> although this looks really strange!
>
> To be even more specific, our cataloging rules, and especially Rule
> 3D1
> in Cartographic Materials: A Manual of Interpretation for AACR2,
> Second
> Edition, Revised, under "Specific Cases" following the Application of
> the rule (page 3-12) it says:
>
> 1. Give the longitudinal coordinates for world maps and globes as W
> 180[degrees]--E 180[degrees], disregarding all overlap, and
> disregarding
> the relative location of the continents. This information [stuff
> about
> where the world map is centered on, or the "relative location of the
> continents"] may be given in a note, e.g. North America at centre.
> Give
> the latitudinal coordinates as N 90[degrees--S 90[degrees],
> disregarding
> the overlap. If the latitudinal coordinates do not extend to the
> poles,
> record the maximum extent.
>
> Based on this interpretation, I would still use W 180--E 180 and use
> a
> note to indicate how the arrangement appears on the world map,
> because
> this de facto indicates to the user that one will be looking at a
> world
> map, even if the starting and ending line of longitude happens to be
> 90
> degrees.
>
> Paige
>
> ----- Original Message -----
> From: "Angie Cope, American Geographical Society Library, UW
> Milwaukee"
> <[log in to unmask]>
> To: [log in to unmask]
> Sent: Friday, February 22, 2013 1:40:36 PM
> Subject: Re: Can world maps be centered on varying coordinates
>
> -------- Original Message --------
> Subject: Re: Can world maps be centered on varying coordinates
> Date: Fri, 22 Feb 2013 18:37:39 +0000
> From: Mark Jackson <[log in to unmask]>
> To: Maps, Air Photo, GIS Forum - Map Librarianship
> <[log in to unmask]>
>
>
> It is correct. When in doubt just look at the map:
> http://1.usa.gov/159rFjJ (full URL below for those security conscious
> folks out there). The edges of the map are actually at 90 degrees
> west.
> With modern cartographic methods it is easier than ever to change the
> origin of a projection to emphasize the point of the map. If the map
> is
> about the oceans, splitting North America isn't any stranger that
> splitting the Pacific if your map is about the continents.
>
>
> http://memory.loc.gov/cgi-bin/map_item.pl?data=/home/www/data/gmd/gmd9/g9096/g9096a/ct003193.jp2&style=gmd&itemLink=r?ammem/gmd:@field(NUMBER+@band(g9096a+ct003193))&title=Chart%20of%20limits%20of%20seas%20and%20oceans.
>
>
> --
> Dr. Mark Jackson
> Brigham Young University
> Geography, Geology, Civil Engineering, & Technology Librarian
> 2420 HBLL
> Provo UT 84602
> 801.422.9753
> [log in to unmask]
>
> On Feb 22, 2013, at 10:14 AM, "Angie Cope, American Geographical
> Society
> Library, UW
> Milwaukee" <[log in to unmask]> wrote:
>
> > -------- Original Message --------
> > Subject: Re: Can world maps be centered on varying
> coordinates
> > Date: Fri, 22 Feb 2013 12:07:04 -0500
> > From: Grabach, Kenneth <[log in to unmask]>
> > To: Maps, Air Photo, GIS Forum - Map Librarianship
> > <[log in to unmask]>
> >
> >
> >
> > I agree with both Paige, and with Susan Moore. However, it would
> be
> > pretty unusual to have a world map that splits the continent of
> North
> > America, so that the westward and eastward bounds of the map would
> be at
> > Longitude W 90! I have a hunch that this record represents error on
> the
> > part of the catalogue record.
> >
> > Ken Grabach
> > Maps Librarian
> > Miami University Libraries
> > Oxford, OH 45056 USA
> >
> >
> > On Fri, Feb 22, 2013 at 11:59 AM, Angie Cope, American Geographical
> > Society Library, UW Milwaukee <[log in to unmask] <mailto:[log in to unmask]>>
> wrote:
> >
> > -------- Original Message --------
> > Subject: Re: [MAPS-L] Can world maps be centered on
> varying
> > coordinates
> > Date: Fri, 22 Feb 2013 10:57:59 -0600
> > From: Susan Moore <[log in to unmask]
> <mailto:[log in to unmask]>>
> > To: Maps, Air Photo, GIS Forum - Map Librarianship
> > <[log in to unmask] <mailto:[log in to unmask]>>
> >
> >
> >
> > Bojana,
> >
> > We are definitely used to seeing world maps with the left margin
> at W
> > 180 degrees and E 180 degrees. But there's no rule that says a
> > cartographer has to have the map with the Atlantic Ocean in the
> center
> > of the map. So it's entirely possible that the record is correct
> > and the
> > cartographer used a different center point to more adequately
> display
> > what they wanted to get across. The "usual" way of doing a world
> map
> > does split the Pacific Ocean in half so if they wanted the
> Pacific
> > Ocean
> > whole, they'd have to not do the "usual".
> >
> > There's some sentiment that the "usual" way of displaying the
> world
> > emphasizes a Western bias and there are several interesting
> articles
> > about this. It even got mentioned in the television series "The
> West
> > Wing"!
> >
> > Susan Moore
> > University of Northern Iowa
> > Cedar Falls, IA 50613
> > [log in to unmask] <mailto:[log in to unmask]>
> > <mailto:[log in to unmask] <mailto:[log in to unmask]>>
> >
> >
> > On Fri, Feb 22, 2013 at 10:26 AM, Angie Cope, American
> Geographical
> > Society Library, UW Milwaukee <[log in to unmask]
> <mailto:[log in to unmask]>
> > <mailto:[log in to unmask] <mailto:[log in to unmask]>>> wrote:
> >
> > -------- Original Message --------
> > Subject: Can world maps be centered on varying
> coordinates
> > Date: Fri, 22 Feb 2013 16:21:34 +0000
> > From: Skarich, Bojana <[log in to unmask]
> > <mailto:[log in to unmask]>
> > <mailto:[log in to unmask]
> > <mailto:[log in to unmask]>>>
> > To: [log in to unmask]
> > <mailto:[log in to unmask]>
> <mailto:[log in to unmask]
> > <mailto:[log in to unmask]>>'
> > <[log in to unmask] <mailto:[log in to unmask]>
> > <mailto:[log in to unmask]
> <mailto:[log in to unmask]>>>
> > CC: Marti, Elida <[log in to unmask]
> > <mailto:[log in to unmask]>
> > <mailto:[log in to unmask]
> <mailto:[log in to unmask]>__>>
> >
> >
> >
> > Hi All,
> >
> > I’m a newbie map cataloger and I have a question about world
> maps
> > centered on “atypical” coordinates. I have a map:
> >
> > Chart of limits of seas and oceans (publ. by Aeronautical
> > Chart and
> > Information Center in 1953).
> >
> > In a copy record, the left margin longitude is stated as W
> 90°,
> > and the
> > right margin longitude is W 90°. (ocm77050953).
> >
> > Can this be right or is this a cataloging error? Wouldn’t
> you
> > expect a
> > world map to have longitudinal coordinates at W 180° degrees
> and E
> > 180°?
> > Or is it the case that a world map can be*centered* in any
> > longitude
> > that better serves the cartographer’s purpose?
> >
> > Thanks for any feedback you have on this J
> >
> > Bojana
> >
> > Bojana Skarich
> >
> > Non-Print Catalog Librarian
> >
> > Michigan State University Libraries
> >
> > 366 W. Circle Drive
> >
> > East Lansing, MI 48824
> >
> > 517-353-9034 <tel:517-353-9034> <tel:517-353-9034
> <tel:517-353-9034>>
> >
> > [log in to unmask] <mailto:[log in to unmask]>
> <mailto:[log in to unmask]
> > <mailto:[log in to unmask]>> <mailto:[log in to unmask]
> > <mailto:[log in to unmask]>
> > <mailto:[log in to unmask] <mailto:[log in to unmask]>>>
> >
> >
> >
> >
> > --
> > Ken Grabach
> > Maps Librarian
> > BEST Library, 219D
> > Miami University Libraries
> > Oxford, OH 45056 USA
> >
> > 513-529-1726
|
