Projective.

The blog of map-projections.net

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Updated!   Mon Jan 15, 2024 Rounded Variants of Wagner VII

Three Wagner VII variants with rounded corners.
(This article is currently not quite finished.)

Updated!   Fri Jan 05, 2024 The Winkel-Denner Projections

Five brand new projections (each in two versions) by Peter Denner that improve on the Winkel-Tripel in various ways. Plus: Two more Winkel Tripel descendants by me.

6 comments Read & Comment

Tue Dec 05, 2023 13 Projections for 2023 (Part 12)

A series of articles about my calendar of 2023, showing projections for political maps: December.

Mon Nov 13, 2023 13 Projections for 2023 (Part 11)

A series of articles about my calendar of 2023, showing projections for political maps: November.

1 comment Read & Comment

Tue Oct 17, 2023 13 Projections for 2023 (Part 10)

A series of articles about my calendar of 2023, showing projections for political maps: October.

Tue Sep 12, 2023 13 Projections for 2023 (Part 9)

A series of articles about my calendar of 2023, showing projections for political maps: September.

2 comments Read & Comment

Wed Aug 02, 2023 13 Projections for 2023 (Part 8)

A series of articles about my calendar of 2023, showing projections for political maps: August.

Sat July 01, 2023 13 Projections for 2023 (Part 7)

A series of articles about my calendar of 2023, showing projections for political maps: July.

Fri June 16, 2023 Adams, Baranyi, Winkel-Snyder

Another conformal projection by Adams. Three hitherto missing by Baranyi. A very convenient mistake by Snyder.

Tue June 06, 2023 13 Projections for 2023 (Part 6)

A series of articles about my calendar of 2023, showing projections for political maps: June

Wed May 10, 2023 13 Projections for 2023 (Part 5)

A series of articles about my calendar of 2023, showing projections for political maps: May.

Tue Apr 18, 2023 13 Projections for 2023 (Part 4)

A series of articles about my calendar of 2023, showing projections for political maps: April.

Mon Mar 13, 2023 13 Projections for 2023 (Part 3)

A series of articles about my calendar of 2023, showing projections for political maps: March.

Tue Feb 21, 2023 13 Projections for 2023 (Part 2)

A series of articles about my calendar of 2023, showing projections for political maps: February.

8 comments Read & Comment

Sun Jan 15, 2023 13 Projections for 2023 (Part 1)

A series of articles about my calendar of 2023, showing projections for political maps: January.

Mon Jan 09, 2023 Minimizing the Severing of Land

My preferred map projection center (for world maps in equatorial aspect) to avoid interruptions of land is at 11.55° East.
In this blog post I explain how I came up with this specific value. I also take a quick glance at other ways to prevent the severing of land.

10 comments Read & Comment

Updated!   Sun Jan 01, 2023 13 Projections for 2023 (Intro)

A series of articles about my calendar of 2023, showing projections for political maps: Preface.

1 comment Read & Comment

Fri Dec 02, 2022 13 Projections for 2022 (Part 12)

A series of articles about my projection experiments calendar of 2022: December.

Fri Nov 25, 2022 Four Flexify Projections and Gott-Wagner

Four projections I found in the Flexify Photoshop plugin, and a Wagner IX variant by J. Richard Gott III.

Wed Nov 02, 2022 13 Projections for 2022 (Part 11)

A series of articles about my projection experiments calendar of 2022: November.

Updated! (4×)!   Thu Oct 20, 2022 A Political Map Image for All Projections!

All projections on map-projections.net are now additionally shown with a political map image.

Sun Oct 02, 2022 13 Projections for 2022 (Part 10)

A series of articles about my projection experiments calendar of 2022: October.

Mon Sep 26, 2022 Two Ginzburg and Four Baranyi Projections

Two azimuthal projections by Ginzburg and four pseudocylindrical (-like) projections by Baranyi.

10 comments Read & Comment

Fri Sep 09, 2022 13 Projections for 2022 (Part 9)

A series of articles about my projection experiments calendar of 2022: September.

Updated!   Sat Aug 20, 2022 Second Serving: Two More Lee Variants

Two more rearrangement of Lee’s conformal tetrahedral projection: Lee-Xarax and Lee-Concialdi. Both of them show the world in half of a regular hexagon.

6 comments Read & Comment

Mon Aug 01, 2022 13 Projections for 2022 (Part 8)

A series of articles about my projection experiments calendar of 2022: August.

Fri July 29, 2022 Lee, Markley, CALM & Grieger

New conformal projections in my collection.

Fri July 01, 2022 13 Projections for 2022 (Part 7)

A series of articles about my projection experiments calendar of 2022: July.

3 comments Read & Comment

Thu June 23, 2022 The Anderson List: Now available on map-projections.net

Paul B. Anderson’s extensive gallery of map projections is now hosted on anderson.map-projections.net.

Wed June 01, 2022 13 Projections for 2022 (Part 6)

A series of articles about my projection experiments calendar of 2022: June.

Mon May 02, 2022 13 Projections for 2022 (Part 5)

A series of articles about my projection experiments calendar of 2022: May.

Tue Apr 26, 2022 Spilhaus Projections: A Quintet of World Ocean Maps

Five projections by Athelstan F. Spilhaus which focus on the world ocean.

Thu Apr 14, 2022 A Few Minor Changes

The new term “My Projection Collection”, re-rendered images and more…

Fri Apr 01, 2022 13 Projections for 2022 (Part 4)

A series of articles about my projection experiments calendar of 2022: April.

Thu Mar 03, 2022 13 Projections for 2022 (Part 3)

A series of articles about my projection experiments calendar of 2022: March.

Tue Feb 01, 2022 13 Projections for 2022 (Part 2)

A series of articles about my projection experiments calendar of 2022: February.

Mon Jan 24, 2022 A Fistful of Asymmetric Projections

Five new asymmetric equal-area projections, made by myself by composing hemispheres of existing projections.

4 comments Read & Comment

Sat Jan 15, 2022 13 Projections for 2022 (Part 1)

A series of articles about my projection experiments calendar of 2022: January.

Sat Jan 01, 2022 13 Projections for 2022 (Intro)

A series of articles about my projection experiments calendar of 2022: Preface.

Updated!   Sat Dec 18, 2021 False Tissot Images

The Tissot indicatrix images on my website actually show “pseudo” Tissot ellipses.

3 comments Read & Comment

Tue Dec 14, 2021 Cupola Projection and the Asymmetric Wagner VII.b

The Cupola projection by Weia Reinboud and my own Asymmetric Wagner VII.b.

Sat Dec 11, 2021 14 Projections for 2021 (Part 12)

A series of articles about my projection calendar 2021: December.

Updated!   Fri Nov 26, 2021 Happy Birthday, Wagner VII!

Eighty years ago, Wagner VII was introduced to the public.

Sat Nov 06, 2021 14 Projections for 2021 (Part 11)

A series of articles about my projection calendar 2021: November.

Sat Nov 06, 2021 Frančula Update

There’s an update of the Frančula blogpost published last year.

Fri Oct 01, 2021 14 Projections for 2021 (Part 10)

A series of articles about my projection calendar 2021: October.

Wed Sep 01, 2021 14 Projections for 2021 (Part 9)

A series of articles about my projection calendar 2021: September.

Mon Aug 02, 2021 14 Projections for 2021 (Part 8)

A series of articles about my projection calendar 2021: August.

Fri July 09, 2021 14 Projections for 2021 (Part 7)

A series of articles about my projection calendar 2021: July.

Mon June 14, 2021 The Danseiji Projections

Seven projections, created by a new construction method. Three of them look conventional and four are quite unusual.

16 comments Read & Comment

Tue June 08, 2021 14 Projections for 2021 (Part 6)

A series of articles about my projection calendar 2021: June.

Mon May 03, 2021 14 Projections for 2021 (Part 5)

A series of articles about my projection calendar 2021: May.

Thu Apr 15, 2021 The Canters Projections (Part 2)

We’re looking at the Canters projections. Part 2: Canters W15 through W34.

Thu Apr 01, 2021 14 Projections for 2021 (Part 4)

A series of articles about my projection calendar 2021: April.

Fri Mar 26, 2021 Completing Canters and Györffy, Own Projections

I’ve added the last missing Canters projections. I’ve added the missing Györffy projections. One projection variant added by request. Two new projection variants of my own, two others were renamed.

Thu Mar 18, 2021 Happy Birthday, Winkel Tripel!

A hundred years ago, the Winkel Tripel was introduced to the public.

Mon Mar 01, 2021 14 Projections for 2021 (Part 3)

A series of articles about my projection calendar 2021: March.

Tue Feb 23, 2021 The Canters Projections (Part 1)

We’re looking at the Canters projections. Part 1: Canters W01 through W14.

Thu Feb 04, 2021 14 Projections for 2021 (Part 2)

A series of articles about my projection calendar 2021: February.

Fri Jan 15, 2021 More Umbeziffern for d3-geo-projections

Wagner’s transformation method (Das Umbeziffern) applied to Wagner I, II, III, IX and some other projections with equally spaced parallels in an implementation for d3-geo-projections.

Thu Jan 07, 2021 News on the Canters Projections

I’ve added six Canters projections. Three others were renamed.

Sun Jan 03, 2021 14 Projections for 2021 (Part 1)

A series of articles about my projection calendar 2021: January.

Fri Jan 01, 2021 14 Projections for 2021 (Intro)

A series of articles about my projection calendar of 2021: Preface.

Updated!   Thu Dec 24, 2020 The Frančula Projections

I added 14 new projections to the website, developed by Nedjeljko Frančula in 1971.

2 comments Read & Comment

Fri Dec 04, 2020 12 Projections for 2020 (Part 12)

A series of articles about my projection calendar: December.

Thu Nov 12, 2020 12 Projections for 2020 (Part 11)

A series of articles about my projection calendar: November.

Thu Nov 12, 2020 12 Projections for 2020 (Part 10)

A series of articles about my projection calendar: October.

Mon Nov 09, 2020 12 Projections for 2020 (Part 9)

A series of articles about my projection calendar: September.

Updated!   Tue Sep 22, 2020 Projections for 2020: A Delay

The continuation of the series of articles about my projection calendar is suspended.

Sat Aug 08, 2020 12 Projections for 2020 (Part 8)

A series of articles about my projection calendar: August.

Wed July 01, 2020 12 Projections for 2020 (Part 7)

A series of articles about my projection calendar: July.

Wed June 10, 2020 12 Projections for 2020 (Part 6)

A series of articles about my projection calendar: June.

2 comments Read & Comment

Sat May 02, 2020 12 Projections for 2020 (Part 5)

A series of articles about my projection calendar: May.

2 comments Read & Comment

Fri Apr 03, 2020 12 Projections for 2020 (Part 4)

A series of articles about my projection calendar: April.

Sun Mar 08, 2020 12 Projections for 2020 (Part 3)

A series of articles about my projection calendar: March.

1 comment Read & Comment

Tue Feb 04, 2020 12 Projections for 2020 (Part 2)

A series of articles about my projection calendar: February.

Updated!   Wed Jan 15, 2020 Wagner II, lenticular variant

Lenticular variant of Wagner’s pseudocylindric projection with sinusoidal meridians and specified distortion auf areas. Also a glance at lenticular Wagner I and III.

2 comments Read & Comment

Mon Jan 13, 2020 12 Projections for 2020 (Part 1)

A series of articles about my projection calendar: January.

Fri Jan 10, 2020 12 Projections for 2020 (Intro)

A series of articles about my projection calendar: Preface.

Wed Jan 01, 2020 Two new projections, three variants, some adjustments

Two new projections: Bertin-Rivière and Györffy E. Three new variants of projections that already are listed. And a few adjustments.

4 comments Read & Comment

Mon June 03, 2019 Four conformal polyhedric projections and more

I’ve added four conformal polyhedric projections, and two other another kind.

Sat Apr 13, 2019 (No english blogpost here.)

In the German version, I’m commenting on an episode of the German science TV show called “Terra X” which included some false assertions about the Mercator projection. Just for once without an English translation.

Tue Jan 15, 2019 Two more Wagner Variants

A brief introduction of two variants of Wagner VII and VIII that I came up with.

Updated! (2×)!   Fri Jan 04, 2019 New: Four Polyhedral Projections

Four new polyhedral projections have been added to my website; and there’s a little update on the website itself.

6 comments Read & Comment

Mon Nov 26, 2018 The Equal Earth Projection

A new pseudocylindric equal-area projection by Šavrič, Patterson, Jenny.
Do we need this?

2 comments Read & Comment

Updated!   Tue Aug 28, 2018 New Projections

Some supplements on the McBryde-Thomas and Canters projections; two new aspects of Gringorten; the all-new, all-different Kramer VII; and the all-new, not-so-different Equal Earth.

Mon Aug 06, 2018 Strebe’s 1992 Equal-area Projections

In 1992, Daniel »daan« Strebe created a series of equal-area projections by manipulating six existing projections. We take a closer look at it.

Updated!   Fri June 08, 2018 News on the Wagner varations

Geocart 3.2 released.
Some new options on the WVG.
A d3-geo-projection implementation.

Updated!   Mon Jan 15, 2018 An Equal-area Projection in the Fashion of the AuthaGraph Map

Using the van Leeuwen projection, I’m building a world map that shows certain similarities to the AuthaGraph map, but is truly equal-area.

2 comments Read & Comment

Updated!   Mon Jan 01, 2018 News on map-projections.net

Modified images for Tissot’s indicatrix and a bunch of new projections.

Updated! (3×)!   Fri Oct 27, 2017 The Sinucyli Projection

The sinucyli projection is a new customizable equal-area pseudocylindric map projection – it has not even been introduced officially so far. So let’s have a look at it and see what’s special about it!
 
Note: Important update added on Jan 4th, 2018. If you’ve read the blogpost before, take a look again!

2 comments Read & Comment

Tue Oct 10, 2017 All Images Replaced!

The update of projection images is now complete.

Mon Sep 18, 2017 News on map-projections.net

New projections, new images and more: A list of the current changes and additions.

3 comments Read & Comment

Updated!   Mon Sep 18, 2017 Replacing the Physical Map Images

All the physical map images were replaced (or will be replaced soon) by new versions. Here’s why.

Mon Sep 18, 2017 The Cabot Projection

A few word about the Cabot projection and its modification I added to the site.

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Mon Sep 18, 2017 My Map Projection Blog

A few introductory words regarding this blog.

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