Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 May 25;12142:100–114. doi: 10.1007/978-3-030-50433-5_8

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© Springer Nature Switzerland AG 2020

This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

PMC Copyright notice

Fig. 4. — (a) Groups of points around the single primary direction pointed by red arrow (b) points belonging to the same primary directions: , split according to associated constant factors (Color figure online)

Inline graphic — (a) Groups of points around the single primary direction pointed by red arrow (b) points belonging to the same primary directions: , split according to associated constant factors (Color figure online)