gnomonic
- adjective
- /ɡnəˈmɒnɪk/
- Specialized
:
gnómico
- Sundials often use a gnomonic design to calculate the time based on the position of the sun.
- gnomonic projection
Examples
-
The Laue pattern is a stereographic projection and the surrounding field a gnomonic projection—both cartographic methods first applied to crystals in the early and middle nineteenth century.
Academic text (1995) -
Wyckoff's graphic innovation in this image—superimposing the stereographic and gnomonic projections—is a typical twentieth-century move toward greater complexity.
Academic text (1995) -
To be exact, the Miller indices in the gnomonic projection in Fig. 3 could be used to draw a picture of a plausible appearance of a crystal of rhodochrosite, since the physical appearances of individual crystals of any given substance may vary widely.
Academic text (1995) -
A gnomonic projection accurately represents straight lines on a map, making it useful for navigation.
-
Geometrically, the gnomonic model helps in visualizing the curvature of the Earth in relation to astronomical observations.
Surface Forms
Morphology
Etymology
The word gnomonic also comes from the Greek gnomon, meaning 'indicator', the name for the pointer on a sundial that shows the time. So gnomonic describes things that 'indicate' or point directly, which is why it is used for sundials and a map style that shows straight, direct paths.
