Changes

PFAN - Name Authority Manual (view source)

Revision as of 23:26, 9 March 2021

1,009 bytes added , 23:26, 9 March 2021

→‎034 Coded cartographic mathematical data

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:'''Degrees/minutes/seconds''': record in the form hdddmmss (hemisphere-degrees-minutes-seconds).

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::034 ## $d W1800000 $e E1800000 $f N0840000 $g S0700000

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<div style="font-family:courier new; margin-left:25px; margin-bottom:25px; padding-right:25px; padding-left:100px; padding-top:10px; padding-bottom:10px; text-indent:-85px; line-height:1.4; border:1px solid #eaecf0; background-color:#f8f9fa;">034 ## $d W1800000 $e E1800000 $f N0840000 $g S0700000

</div>

:'''Decimal degrees''': record in the form hddd.dddddd (hemisphere-degrees.decimal degrees)

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::034 ## $d E079.533265 $e E086.216635 $f S012.583377 $g S020.419532

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<div style="font-family:courier new; margin-left:25px; margin-bottom:25px; padding-right:25px; padding-left:100px; padding-top:10px; padding-bottom:10px; text-indent:-85px; line-height:1.4; border:1px solid #eaecf0; background-color:#f8f9fa;">034 ## $d E079.533265 $e E086.216635 $f S012.583377 $g S020.419532

</div>

:'''Decimal degrees with plus ou minus''': record in the form +-ddd.dddddddd (hemisphere[+/-]-degrees.decimal degrees) (“+” or N and E, “-” for S and W ; the plus sign is optional)

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~~<div style="font-family:courier new; background-color:#f8f9fa; border:1px solid #eaecf0;">~~

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~~::034 ## $d +079.533265 $e +086.216635 $f -012.583377 $g -020.419532<br>~~

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~~:::<div style="font-family:sans-serif;">(Example with +/-)</div>~~

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::034 ## $d 079.533265 $e 086.216635 $f -012.583377 $g -020.419532<br>

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:::<div style="font-family:sans-serif;">(Example without the optional plus sign)</div>

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034 ## $d +079.533265 $e +086.216635 $f -012.583377 $g -020.419532<br>

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<div style="font-family:sans-serif; margin-left:50px;">''(Example with +/-)''</div>

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034 ## $d 079.533265 $e 086.216635 $f -012.583377 $g -020.419532<br>

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<div style="font-family:sans-serif; margin-left:50px;">''(Example without the optional plus sign)''</div>

</div>

:'''Decimal minutes''': record in the form hdddmm.mmmm (hemisphere-degrees-minutes.decimal minutes)

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::034 ## $d E07932.5332 $e E08607.4478 $f S01235.5421 $g S02028.9704

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034 ## $d E07932.5332 $e E08607.4478 $f S01235.5421 $g S02028.9704

</div>

:'''Decimal seconds''': record in the form hdddmmss.sss (hemisphere-degrees-minutes-seconds.decimal seconds)

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::034 ## $d E0793235.575 $e E0860727.350 $f S0123536.895 $g S0202858.125

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034 ## $d E0793235.575 $e E0860727.350 $f S0123536.895 $g S0202858.125

</div>

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twice to define the center point (i.e., the contents of $d and $e are identical, the contents of $f and $g are identical).

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:: 034 ## $d W0950500 $e W0950500 $f N0303000 $g N0303000<br>

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034 ## $d W0950500 $e W0950500 $f N0303000 $g N0303000<br>

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~~:::~~<div style="font-family:sans-serif;">(Example showing degrees/minutes/seconds)</div>

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<div style="font-family:sans-serif; margin-left:50px;">''(Example showing degrees/minutes/seconds)''</div>

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:: 034 ## $d W119.697222 $e W119.697222 $f N034.420833 $g N034.420833<br>

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034 ## $d W119.697222 $e W119.697222 $f N034.420833 $g N034.420833<br>

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~~:::~~<div style="font-family:sans-serif;">(Example showing decimal degrees)</div>

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<div style="font-family:sans-serif; margin-left:50px;">''(Example showing decimal degrees)''</div>

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::034 ## $d -119.697222 $e -119.697222 $f +034.420833 $g +034.420833<br>

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034 ## $d -119.697222 $e -119.697222 $f +034.420833 $g +034.420833<br>

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~~:::~~<div style="font-family:sans-serif;">(Example showing decimal degrees with plus/minus)</div>

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<div style="font-family:sans-serif; margin-left:50px;">''(Example showing decimal degrees with plus/minus)''</div>

</div>

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'''Coordinate Conversion Tools'''<br>

PFAN institutions are encouraged to provide both degrees/minutes/seconds and decimal degrees when available. Numerous conversion tools are available on the Web to derive one from the other; here are two examples:

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::'''Degrees/minutes/seconds to Decimal degrees:'''<br>

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:'''Degrees/minutes/seconds to Decimal degrees:'''<br>

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::http://vancouver-webpages.com/META/DMS.html

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:http://vancouver-webpages.com/META/DMS.html

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::'''Decimal degrees to Degrees/minutes/seconds:'''<br>

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:'''Decimal degrees to Degrees/minutes/seconds:'''<br>

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::http://vancouver-webpages.com/META/DD.html

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:http://vancouver-webpages.com/META/DD.html

'''Sources'''<br>

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Subfield $2 has been defined for recording the source of the coordinate information– codes for commonly used sources are available from: [http://www.loc.gov/standards/sourcelist/cartographic-data.html~~/view~~ Cartographic Data Source Codes].

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Subfield $2 has been defined for recording the source of the coordinate information– codes for commonly used sources are available from: [http://www.loc.gov/standards/sourcelist/cartographic-data.html ''Cartographic Data Source Codes''].

A 670 citation to the source would not be required if the only information from the source is recorded in field 034; a 670 citation should be made if necessary to record information beyond coordinates, such as variant names, hierarchy, time period of applicability, etc.

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[2021-02-22]

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[2021-03-09]

<br>[[#toc|''Return to Table of Contents'' <big>⮝</big>]]  |  [[PFAN_-_Name_Authority_Manual_-_MARC_21_Supplement#034_Coded_Carographic_Mathematical_Data|''Supplement'' <big>⮞</big>]]

Nathalie.mainville

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