Spherical perspective

Araújo, António

Publication

Spherical perspective

2021Book part

datacite.subject.sdg	04:Educação de Qualidade	pt_PT
dc.contributor.author	Araújo, António
dc.date.accessioned	2023-01-24T11:50:33Z
dc.date.available	2023-01-24T11:50:33Z
dc.date.issued	2021
dc.description.abstract	We survey the present state of spherical perspective, regarding both mathematical structure and drawing practice, with a view to applications in the visual arts. We define a spherical perspective as the entailment of a conical anamorphosis with a compact flattening of the visual sphere. We examine a general framework for solving spherical perspectives, exemplified with the azimuthal equidistant (“fisheye”) and equirectangular cases. We consider the relation between spherical and curvilinear perspectives. We briefly discuss computer renderings but focus on methods adapted to freehand sketching or technical drawing with simple instruments such as ruler and compass. We discuss how handmade spherical perspective drawings can generate immersive anamorphoses, which can be rendered as virtual reality panoramas, leading to hybrid visual creations that bridge the gap between traditional drawing and digital environments.	pt_PT
dc.description.version	info:eu-repo/semantics/publishedVersion	pt_PT
dc.identifier.citation	Araújo, A.B. (2021). Spherical Perspective. In: Sriraman, B. (eds) Handbook of the Mathematics of the Arts and Sciences. Springer, Cham. https://doi.org/10.1007/978-3-319-70658-0_100-1	pt_PT
dc.identifier.doi	10.1007/978-3-319-70658-0_100-1	pt_PT
dc.identifier.uri	http://hdl.handle.net/10400.2/13204
dc.language.iso	eng	pt_PT
dc.peerreviewed	yes	pt_PT
dc.publisher	Springer	pt_PT
dc.relation.publisherversion	https://doi.org/10.1007/978-3-319-70658-0_100-1	pt_PT
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/	pt_PT
dc.subject	Spherical perspective	pt_PT
dc.subject	Immersive drawing	pt_PT
dc.subject	Anamorphosis	pt_PT
dc.subject	Optical illusions	pt_PT
dc.subject	5-point perspective	pt_PT
dc.subject	6-point perspective	pt_PT
dc.subject	Virtual Reality Panoramas	pt_PT
dc.subject	Vanishing points	pt_PT
dc.subject	Descriptive gometry	pt_PT
dc.subject	Full dome	pt_PT
dc.subject	Barre and Flocon	pt_PT
dc.subject	Fisheye	pt_PT
dc.title	Spherical perspective	pt_PT
dc.type	book part
dspace.entity.type	Publication
oaire.citation.conferencePlace	Cham	pt_PT
oaire.citation.endPage	61	pt_PT
oaire.citation.startPage	1	pt_PT
oaire.citation.title	Handbook of the Mathematics of the Arts and Sciences	pt_PT
person.familyName	Araújo
person.givenName	António
person.identifier.ciencia-id	B113-5CDF-F72D
person.identifier.orcid	0000-0003-0909-5782
rcaap.rights	openAccess	pt_PT
rcaap.type	bookPart	pt_PT
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