Map projections

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Error in My Analysis of the Dietrich-Kitada Projection

Last post by quadibloc « Tue Mar 02, 2021 8:48 pm
Replies: 6
by quadibloc » Thu Feb 25, 2021 12:05 am

6 Replies

1771 Views

Last post by quadibloc
Tue Mar 02, 2021 8:48 pm
Biographical Note on Friedrich Eisenlohr

Last post by daan « Thu Feb 25, 2021 12:03 am
Replies: 5
by quadibloc » Fri Feb 19, 2021 10:45 am

5 Replies

1422 Views

Last post by daan
Thu Feb 25, 2021 12:03 am
Request for feedback on my map projection paper

Last post by daan « Wed Oct 07, 2020 7:09 am
Replies: 37
by justinkunimune » Tue Oct 15, 2019 5:33 pm
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37 Replies

7807 Views

Last post by daan
Wed Oct 07, 2020 7:09 am
What is extruded globe?

Last post by quadibloc « Tue Aug 18, 2020 8:38 pm
Replies: 39
by Piotr » Sat Jan 20, 2018 11:36 pm
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39 Replies

7700 Views

Last post by quadibloc
Tue Aug 18, 2020 8:38 pm
The Gudermannian and the Mercator

Last post by quadibloc « Fri Jul 24, 2020 2:14 pm

by quadibloc » Fri Jul 24, 2020 2:14 pm

0 Replies

12855 Views

Last post by quadibloc
Fri Jul 24, 2020 2:14 pm
Gilbert two-world perspective doesn't make sense

Last post by daan « Sat Apr 25, 2020 4:13 pm
Replies: 27
by Piotr » Tue Apr 07, 2020 10:25 am
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27 Replies

5505 Views

Last post by daan
Sat Apr 25, 2020 4:13 pm
What is the exact area of unconformality of bipolar oblique conic conformal?

Last post by daan « Mon Apr 20, 2020 9:24 am
Replies: 15
by Piotr » Sat Apr 18, 2020 11:52 pm
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15 Replies

3430 Views

Last post by daan
Mon Apr 20, 2020 9:24 am
On the design of globe gores

Last post by daan « Sun Apr 05, 2020 4:44 pm
Replies: 17
by daan » Tue Jun 17, 2014 6:15 pm
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17 Replies

4379 Views

Last post by daan
Sun Apr 05, 2020 4:44 pm
Conformal-ish and silly.

Last post by Piotr « Thu Apr 02, 2020 7:59 am
Replies: 8
by daan » Thu Oct 31, 2019 2:53 pm

8 Replies

1945 Views

Last post by Piotr
Thu Apr 02, 2020 7:59 am
Average of Hammer (Hammer-Aitoff) and Gall-Peters

Last post by Piotr « Wed Apr 01, 2020 12:33 am
Replies: 3
by Sorea » Thu Feb 23, 2012 5:15 am

3 Replies

2775 Views

Last post by Piotr
Wed Apr 01, 2020 12:33 am
My new map projections website

Last post by Atarimaster « Wed Mar 25, 2020 2:59 am
Replies: 13
by Atarimaster » Mon Jun 22, 2015 9:57 am
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13 Replies

3615 Views

Last post by Atarimaster
Wed Mar 25, 2020 2:59 am
South America in the Crosshairs

Last post by quadibloc « Sun Jan 26, 2020 4:47 am
Replies: 3
by quadibloc » Sat Jan 25, 2020 3:02 pm

3 Replies

1326 Views

Last post by quadibloc
Sun Jan 26, 2020 4:47 am
Winkel's Tripel and Historical Accuracy

Last post by daan « Fri Jan 17, 2020 1:33 am
Replies: 1
by quadibloc » Thu Jan 16, 2020 9:39 pm

1 Replies

1335 Views

Last post by daan
Fri Jan 17, 2020 1:33 am
Does North Korea have a favorite world map projection?

Last post by quadibloc « Wed Dec 11, 2019 3:55 am
Replies: 6
by quadibloc » Tue Dec 10, 2019 10:28 am

6 Replies

1647 Views

Last post by quadibloc
Wed Dec 11, 2019 3:55 am
A Geographic Joke

Last post by daan « Fri Nov 01, 2019 4:00 pm
Replies: 1
by quadibloc » Thu Oct 31, 2019 7:42 pm

1 Replies

1311 Views

Last post by daan
Fri Nov 01, 2019 4:00 pm
Small World (J. Richard Gott III)

Last post by daan « Fri Oct 11, 2019 9:06 am
Replies: 7
by quadibloc » Wed Oct 09, 2019 11:48 am

7 Replies

1812 Views

Last post by daan
Fri Oct 11, 2019 9:06 am
Quantitative evaluation & comparison of world-maps

Last post by daan « Wed Oct 09, 2019 6:51 am
Replies: 131
by RogerOwens » Mon Sep 09, 2019 2:05 pm
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131 Replies

23968 Views

Last post by daan
Wed Oct 09, 2019 6:51 am
Hammond optimal conformal projection

Last post by daan « Thu Oct 03, 2019 1:35 pm
Replies: 13
by Atarimaster » Sat Feb 18, 2017 6:26 am
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13 Replies

3293 Views

Last post by daan
Thu Oct 03, 2019 1:35 pm
Aitoff in Polar Coordinates

Last post by daan « Sun Sep 22, 2019 5:10 pm
Replies: 11
by quadibloc » Sat Sep 21, 2019 10:39 am
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11 Replies

2699 Views

Last post by daan
Sun Sep 22, 2019 5:10 pm
The Anti-Hammer Projection

Last post by quadibloc « Fri Sep 20, 2019 4:41 am
Replies: 10
by quadibloc » Fri Sep 13, 2019 4:37 pm
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10 Replies

2900 Views

Last post by quadibloc
Fri Sep 20, 2019 4:41 am
Some speculations about Dietrich-Kitada

Last post by Atarimaster « Mon Sep 16, 2019 9:56 am
Replies: 38
by Atarimaster » Fri Aug 30, 2019 4:50 am
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38 Replies

6457 Views

Last post by Atarimaster
Mon Sep 16, 2019 9:56 am
History of the Oblique Hammer-Aitoff

Last post by quadibloc « Wed Sep 11, 2019 11:51 pm
Replies: 21
by quadibloc » Mon Aug 26, 2019 6:22 pm
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21 Replies

4404 Views

Last post by quadibloc
Wed Sep 11, 2019 11:51 pm
Happy birthday Mercator!— Oops

Last post by daan « Mon Sep 09, 2019 10:32 am
Replies: 18
by daan » Mon Mar 05, 2012 1:14 pm
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18 Replies

8009 Views

Last post by daan
Mon Sep 09, 2019 10:32 am
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

12091 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

1586 Views

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

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