File:Peirce projection spherical conics.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file(1,360 × 1,360 pixels, file size: 1.11 MB, MIME type: image/png)

Summary

Description
English: A square grid under inverse Peirce quincuncial projection is conformal except at four singularities around the equator. Each grid line is a spherical conic.
Date
Source Own work, see code and an interactive version at https://observablehq.com/@jrus/peirce-quincuncial-grid
Author Jacob Rus

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Captions

A square grid on the dihedron projected onto the sphere by inverse Peirce quincuncial projection is conformal except at four singularities along the equator. Each grid line is a spherical conic.

Items portrayed in this file

depicts

20 June 2022

image/png

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current14:10, 20 June 2022Thumbnail for version as of 14:10, 20 June 20221,360 × 1,360 (1.11 MB)JacobolusUploaded own work with UploadWizard
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file: