ray-tracev.

Brit.

/ˈreɪtreɪs/, U.S.

/ˈreɪˌtreɪs/

Origin: Formed within English, by compounding. Etymons: ray n.⁵, trace v.¹

Etymology: < ray n.⁵ + trace v.¹, after ray tracing n. Compare earlier ray tracer n.

1. transitive. Optics. To calculate the path taken by a ray of light in passing through (an optical system) or in forming (an image).

ΚΠ

1969 Appl. Optics 8 403 A method is established to design and ray trace an aplanatic lens.

1980 Nucl. Instruments & Methods 172 129/2 (caption) The image is ray traced for λ = 250 Å which is considerably out of focus.

1992 Astronomy May D-9/3 Optional IBM-PC Telescope Design Software... Enables you to design and raytrace your own custom telescope.

2. transitive. Computing. To use ray tracing to generate (an image) or an image of (an object).

ΚΠ

1984 Computer Graphics 18 159/2 The time required to ray trace an image.

1993 Times Educ. Suppl. 5 Mar. (Review Suppl.) 18/1 Render Bender was a program designed to ray-trace geometric objects of varying surfaces and colours.

2001 3D World Mar. 26/2 Be selective about which objects need to be raytraced and which objects need to be visible in reflections.

Derivatives

ˈray-traced adj. generated or calculated by means of ray tracing.

ΚΠ

1970 Jrnl. Atmospheric & Terrestr. Physics 32 1052 Figure 1 shows the (ray-traced) ionogram corresponding to the profile marked as crosses in Fig. 2.

1990 Amiga User Internat. May 75/2 The ray-traced title screen adds to the classy look.

1991 Personal Computer World Feb. 224/4 Origin has opted for drawn and ray traced pictures and the effect is far greater than with digitised ones.

2003 S. Lehar World in Your Head v. 99 This results in a conflict between the reverse ray-traced unequal illuminant and the forward-traced equal illuminant.

This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022).

单词	ray-trace
释义	ray-tracev. Brit. /ˈreɪtreɪs/, U.S. /ˈreɪˌtreɪs/ Origin: Formed within English, by compounding. Etymons: ray n.⁵, trace v.¹ Etymology: < ray n.⁵ + trace v.¹, after ray tracing n. Compare earlier ray tracer n. 1. transitive. Optics. To calculate the path taken by a ray of light in passing through (an optical system) or in forming (an image). ΚΠ 1969 Appl. Optics 8 403 A method is established to design and ray trace an aplanatic lens. 1980 Nucl. Instruments & Methods 172 129/2 (caption) The image is ray traced for λ = 250 Å which is considerably out of focus. 1992 Astronomy May D-9/3 Optional IBM-PC Telescope Design Software... Enables you to design and raytrace your own custom telescope. 2. transitive. Computing. To use ray tracing to generate (an image) or an image of (an object). ΚΠ 1984 Computer Graphics 18 159/2 The time required to ray trace an image. 1993 Times Educ. Suppl. 5 Mar. (Review Suppl.) 18/1 Render Bender was a program designed to ray-trace geometric objects of varying surfaces and colours. 2001 3D World Mar. 26/2 Be selective about which objects need to be raytraced and which objects need to be visible in reflections. Derivatives ˈray-traced adj. generated or calculated by means of ray tracing. ΚΠ 1970 Jrnl. Atmospheric & Terrestr. Physics 32 1052 Figure 1 shows the (ray-traced) ionogram corresponding to the profile marked as crosses in Fig. 2. 1990 Amiga User Internat. May 75/2 The ray-traced title screen adds to the classy look. 1991 Personal Computer World Feb. 224/4 Origin has opted for drawn and ray traced pictures and the effect is far greater than with digitised ones. 2003 S. Lehar World in Your Head v. 99 This results in a conflict between the reverse ray-traced unequal illuminant and the forward-traced equal illuminant. This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022). < v.1969
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