One degree of latitude is always approximately 69.0933 miles.
This table shows the approximate distance (in miles) of one degree
of longitude at each degree of Latitude
Latitude Distance of
one Longitude
degree
0 69.0933
1 69.0828
2 69.0512
3 68.9986
4 68.925
5 68.8304
6 68.7148
7 68.5783
8 68.4209
9 68.2426
10 68.0436
11 67.8238
12 67.5834
13 67.3224
14 67.0409
15 66.7389
16 66.4167
17 66.0742
18 65.7115
19 65.3289
20 64.9264
21 64.504
22 64.0621
23 63.6006
24 63.1197
25 62.6196
26 62.1005
27 61.5624
28 61.0056
29 60.4302
30 59.8364
31 59.2243
32 58.5942
33 57.9463
34 57.2807
35 56.5977
36 55.8974
37 55.1801
38 54.446
39 53.6953
40 52.9283
41 52.1451
42 51.346
43 50.5313
44 49.7013
45 48.856
46 47.9959
47 47.1212
48 46.2321
49 45.329
50 44.412
51 43.4815
52 42.5377
53 41.581
54 40.6117
55 39.6299
56 38.6361
57 37.6306
58 36.6135
59 35.5853
60 34.5463
61 33.4968
62 32.437
63 31.3674
64 30.2882
65 29.1998
66 28.1025
67 26.9966
68 25.8825
69 24.7605
70 23.631
71 22.4943
72 21.3508
73 20.2007
74 19.0445
75 17.8824
76 16.715
77 15.5424
78 14.3651
79 13.1835
80 11.9978
81 10.8084
82 9.61581
83 8.42025
84 7.22212
85 6.0218
86 4.81964
87 3.61602
88 2.41129
89 1.20583
90 0
Dick Hoskins wrote:
> I need a for formula that gives what an increment of 1 degree or 1 second
> or 1 minute (or any other value) of long and lat is in terms of ground
> distance as a function of long and lat. A rule of thumb-type table or
> conversion would be OK.
>
> Dick Hoskins
> [EMAIL PROTECTED]
>
> GIS uses in public health summer course:
> http://healthlinks.washington.edu/inpho/gis/course.html
> ----- Original Message -----
> From: "Tom Brockenbrough" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Monday, May 15, 2000 9:35 AM
> Subject: Re: MI Specifying scale of layout
>
> > Not sure if this will work because I have not had the need to do so but
> can
> > you go under Map> Options>, change distance units to inches, and then
> change
> > your Map Scale and Layout Scale to obtain what you need?
> >
> > Hope it works.
> >
> > "SenGupta,Georges" wrote:
> >
> > > I need to print off maps from MI at a defined scale. I have not managed
> to
> > > get the Map->Change View->Map Scale and the Layout->Frame Object->Scale
> On
> > > Paper options to work together to give me (for example) 1:2500.
> > >
> > > Is there an obvious way that I have missed?
> > >
> > > Thanks for your help. Will sum responses.
> > > ----------------------------------------------------------------------
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> > > "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
> >
> > ----------------------------------------------------------------------
> > To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
> > "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
> >
>
> ----------------------------------------------------------------------
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