Results 1 to 10 of about 155,079 (257)

Seven possible states of geospatial data with respect to map projection and definition: a novel pedagogical device for GIS education

open access: yesGeo-spatial Information Science, 2018
Conceptually, the theory and implementation of “map projection” in geographic information system (GIS) technology is difficult to comprehend for most introductory students and novice users.
Steven E. Greco
doaj   +2 more sources

Map Projection Transitions

open access: yesKartografija i Geoinformacije, 2013
Map Projection Transitions is a very successful web application about map projections. The web page (http://www.jasondavies.com/maps/transition) pre­sents a world map with graticule and country borders in the oblique Aitoff projection, with the South ...
Nedjeljko Frančula, Miljenko Lapaine
doaj   +5 more sources

INITIAL RESEARCH USING GIS TO EXAMINE ANTHROPIC MODIFIED ECOSYSTEM [PDF]

open access: yesNatural Resources and Sustainable Development, 2022
Monitoring the ecosystem evaluated with GIS instruments, measures its spatial and temporal structure and functions at different scales, resulting in information regarding the trend and change in quality due to anthropogenic influence.
Cojocaru Olesea
doaj   +1 more source

From Conic to Cylindrical Map Projections

open access: yesGeodetski Vestnik, 2023
In books and textbooks on map projections, cylindrical, conic and azimuthal projections are usually considered separately. It is sometimes mentioned that cylindrical and azimuthal projections can be interpreted as limiting cases of conic, but this is ...
Miljenko Lapaine
doaj   +1 more source

Fundamentals of Geo-Positioning Reference Frames, Map Projections and Their Applications [PDF]

open access: yesMaǧallaẗ Markaz Al-Buḥūṯ Al-Ǧuġrāfiyyaẗ wa Al-Kārtūğirāfiyyaẗ, 2020
: A map is defined as a miniature drawing of the Earth's surface or part of it. The designation was based on many projections used to transmit information from reality to the map, and this would be in the processing of geospatial information.
ايمان القحطاني
doaj   +1 more source

On the Definition of Standard Parallels in Map Projections

open access: yesISPRS International Journal of Geo-Information, 2023
The article belongs to the field of theoretical research on map projections. It is observed that there is no unique and generally accepted definition of standard parallels in the cartographic literature.
Miljenko Lapaine
doaj   +1 more source

On the Combinatorics of Projective Mappings [PDF]

open access: yesJournal of Algebraic Combinatorics, 2001
Let \(\mathcal{P}\) denote the group of non-degenerate projective mappings of \(\mathbb R \cup \{\infty\}\), i.e. the set of non-constant linear fractions \(x\mapsto\frac{ax+b}{cx+d}\) where \(ad-bc\neq 0\), with the composition \(\varphi \circ \psi: x\mapsto \varphi(\psi(x))\) as the group operation. Finite sets of such mappings are denoted by \(\Phi\)
Elekes, György, Király, Zoltán
openaire   +1 more source

Projective mapping based on choice or preference: An affective approach to projective mapping [PDF]

open access: yesFood Research International, 2017
This work explores a new affective approach to projective mapping, based on consumers' choices or preferences. Two sessions, one week apart, were performed with the same consumers, using whole bread as a case study. Overall liking ratings (OL) were gathered in blind conditions and samples were also profiled by a trained panel using generic descriptive ...
Varela, Paula   +5 more
openaire   +4 more sources

The Influence of Map Projections on People’s Global-Scale Cognitive Map: A Worldwide Study

open access: yesISPRS International Journal of Geo-Information, 2020
Map projections are required to represent the globe on a flat surface, which always results in distorted representations of the globe. Accordingly, the world maps we observe in daily life contexts, such as on news sites, in news bulletins, on social ...
Lieselot Lapon   +2 more
doaj   +1 more source

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