Map projections

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What is shear in map projections?

Last post by quadibloc « Sun Sep 08, 2019 12:38 pm
Replies: 69
by daan » Fri Apr 21, 2017 1:07 am
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69 Replies

12641 Views

Last post by quadibloc
Sun Sep 08, 2019 12:38 pm
Magic Pixie Dust Solves the Problem of Distortion!

Last post by quadibloc « Sat Sep 07, 2019 7:40 pm
Replies: 6
by quadibloc » Sat Sep 07, 2019 1:32 pm

6 Replies

1650 Views

Last post by quadibloc
Sat Sep 07, 2019 7:40 pm
Conformal polyhedral maps

Last post by daan « Wed Sep 04, 2019 8:42 am
Replies: 27
by daan » Mon Jan 21, 2019 2:57 pm
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27 Replies

5366 Views

Last post by daan
Wed Sep 04, 2019 8:42 am
Questions about optmization for equal-area world maps

Last post by quadibloc « Wed Sep 04, 2019 12:26 am
Replies: 36
by RogerOwens » Mon Feb 26, 2018 4:37 pm
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36 Replies

8659 Views

Last post by quadibloc
Wed Sep 04, 2019 12:26 am
Disappointing observations

Last post by daan « Thu Aug 22, 2019 11:15 am
Replies: 20
by Piotr » Tue Feb 06, 2018 2:21 am
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20 Replies

5514 Views

Last post by daan
Thu Aug 22, 2019 11:15 am
CEA best of both worlds

Last post by RogerOwens « Wed Aug 21, 2019 3:04 pm
Replies: 14
by RogerOwens » Thu Jul 25, 2019 8:50 pm
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14 Replies

3223 Views

Last post by RogerOwens
Wed Aug 21, 2019 3:04 pm
What aspect?

Last post by quadibloc « Tue Aug 20, 2019 6:32 am
Replies: 9
by daan » Thu Mar 24, 2011 4:25 pm

9 Replies

4460 Views

Last post by quadibloc
Tue Aug 20, 2019 6:32 am
Bad general idea of azimuthal projections on Wikipedia

Last post by quadibloc « Mon Aug 19, 2019 8:14 am
Replies: 5
by Piotr » Sun Jan 21, 2018 11:32 pm

5 Replies

1854 Views

Last post by quadibloc
Mon Aug 19, 2019 8:14 am
Why Mercator for the Web? Isn’t the Mercator bad?

Last post by RogerOwens « Sun Aug 18, 2019 11:24 am
Replies: 9
by daan » Thu Mar 15, 2012 5:56 pm

9 Replies

66210 Views

Last post by RogerOwens
Sun Aug 18, 2019 11:24 am
Projection-Proposal: Behrmann-Eckert IV graft.

Last post by RogerOwens « Sun Aug 18, 2019 10:32 am
Replies: 18
by RogerOwens » Tue Mar 06, 2018 5:15 pm
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18 Replies

3815 Views

Last post by RogerOwens
Sun Aug 18, 2019 10:32 am
Unwanted Flyback Lines In Azimuthal Equidistant Projection

Last post by daan « Mon Dec 17, 2018 11:01 am
Replies: 5
by gnomeplanet » Mon Dec 10, 2018 1:25 am

5 Replies

1682 Views

Last post by daan
Mon Dec 17, 2018 11:01 am
A flawed "cartometry"

Last post by RogerOwens « Fri Sep 21, 2018 11:37 am
Replies: 56
by Atarimaster » Fri Jul 06, 2018 5:15 am
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56 Replies

10656 Views

Last post by RogerOwens
Fri Sep 21, 2018 11:37 am
Show the countries in your world-maps?

Last post by daan « Tue Apr 17, 2018 12:52 pm
Replies: 7
by RogerOwens » Sat Mar 31, 2018 6:36 am

7 Replies

1722 Views

Last post by daan
Tue Apr 17, 2018 12:52 pm
[off-topic] A little puzzle

Last post by daan « Sun Apr 01, 2018 9:51 am
Replies: 3
by Atarimaster » Sat Mar 31, 2018 8:36 am

3 Replies

1515 Views

Last post by daan
Sun Apr 01, 2018 9:51 am
Recentering infinite projections idea

Last post by Piotr « Wed Mar 21, 2018 8:58 am
Replies: 18
by Piotr » Tue Apr 04, 2017 7:42 am
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18 Replies

3613 Views

Last post by Piotr
Wed Mar 21, 2018 8:58 am
Formulas for Rounded-Behrmann

Last post by RogerOwens « Thu Mar 15, 2018 6:03 am
Replies: 7
by RogerOwens » Sun Mar 11, 2018 3:28 pm

7 Replies

1751 Views

Last post by RogerOwens
Thu Mar 15, 2018 6:03 am
A few Cylindrical-Equal-Area compromises

Last post by RogerOwens « Sun Mar 04, 2018 4:42 pm

by RogerOwens » Sun Mar 04, 2018 4:42 pm

0 Replies

13098 Views

Last post by RogerOwens
Sun Mar 04, 2018 4:42 pm
Elliptical stereographic

Last post by Piotr « Sat Mar 03, 2018 2:57 am
Replies: 15
by Piotr » Fri Apr 14, 2017 11:24 pm
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15 Replies

3717 Views

Last post by Piotr
Sat Mar 03, 2018 2:57 am
Larger political databases

Last post by Piotr « Sun Dec 24, 2017 5:30 am
Replies: 12
by Piotr » Fri Dec 22, 2017 1:18 am
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12 Replies

3212 Views

Last post by Piotr
Sun Dec 24, 2017 5:30 am
Great Circles on Werner Projection

Last post by daan « Sat Dec 23, 2017 11:19 am
Replies: 3
by Rhombic » Fri Jul 17, 2015 5:25 am

3 Replies

1760 Views

Last post by daan
Sat Dec 23, 2017 11:19 am
Blended equal-area projections

Last post by daan « Sun Dec 10, 2017 11:28 am
Replies: 4
by daan » Tue Apr 11, 2017 4:11 pm

4 Replies

2132 Views

Last post by daan
Sun Dec 10, 2017 11:28 am
How to create a 100% custom map projection?

Last post by daan « Sun May 14, 2017 10:22 pm
Replies: 2
by Exciteomapo » Wed May 10, 2017 9:54 am

2 Replies

1618 Views

Last post by daan
Sun May 14, 2017 10:22 pm
Book aspect-ratios

Last post by RogerOwens « Wed Apr 26, 2017 8:26 am
Replies: 5
by RogerOwens » Mon Apr 24, 2017 11:06 am

5 Replies

1684 Views

Last post by RogerOwens
Wed Apr 26, 2017 8:26 am
Use inverse formula directly, no rootfinding?

Last post by RogerOwens « Thu Apr 20, 2017 10:05 pm
Replies: 26
by RogerOwens » Tue Apr 18, 2017 5:28 pm
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26 Replies

6588 Views

Last post by RogerOwens
Thu Apr 20, 2017 10:05 pm
Which projection is used for small region maps?

Last post by RogerOwens « Mon Apr 17, 2017 1:08 pm
Replies: 10
by Piotr » Thu Apr 13, 2017 10:51 pm
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10 Replies

3049 Views

Last post by RogerOwens
Mon Apr 17, 2017 1:08 pm

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