Reflection thiab shearing yog dab tsi?
Reflection thiab shearing yog dab tsi?

Video: Reflection thiab shearing yog dab tsi?

Video: Reflection thiab shearing yog dab tsi?
Video: Yog Tsis Yog Wb - NorthSide Twins (OFFICIAL VIDEO RELEASE) 2024, Kaum ib hlis
Anonim

A xav txog yog ib qho kev hloov pauv uas ua rau daim iav duab ntawm ib qho khoom txheeb ze rau qhov axis ntawm xav txog . Peb tuaj yeem xaiv qhov axis ntawm xav txog nyob rau hauv lub xy dav hlau los yog perpendicular mus rau lub xy dav hlau. Shear :- Ib qho kev hloov pauv uas slants cov duab ntawm ib yam khoom hu ua txiav kev hloov pauv.

Thiab cov lus nug yog, dab tsi yog shearing transformation piav nrog cov qauv tsim nyog?

A kev hloov pauv uas slants cov duab ntawm ib yam khoom yog hu ua tus shear transformation . Muaj ob shear transformations X- Shear thiab Y- Shear . Ib qho kev hloov pauv X tswj hwm qhov tseem ceeb thiab lwm yam hloov Y kev tswj hwm tus nqi. Txawm li cas los xij; nyob rau hauv ob qho tib si tsuas yog ib qho kev tswj hwm hloov nws cov kev tswj hwm thiab lwm yam khaws nws cov txiaj ntsig.

Kuj Paub, dab tsi yog qhov kev xav ntawm CG? Reflections hauv computer graphics yog siv los ua raws li cov khoom muaj kev cuam tshuam xws li iav thiab ci ntsa iab. Kev xav ntawm qhov ci ntsa iab zoo li ntoo lossis pobzeb tuaj yeem ntxiv rau cov teebmeem photorealistic ntawm 3D rendering. Polished - ib tug polished xav txog yog qhov tsis muaj kev cuam tshuam xav txog , zoo li daim iav los yog chrome.

Ib yam li ntawd, tib neeg nug, dab tsi yog shearing hauv cov duab?

Txiav : Nws yog transformation uas hloov cov duab ntawm cov khoom. Qhov zawv zawg ntawm txheej ntawm cov khoom tshwm sim. Cov txiav tuaj yeem nyob rau hauv ib qho kev coj los yog ob qho tib si. Txiav Hauv X-kev taw qhia: Hauv kab rov tav no txiav zawv zawg txheej tshwm sim.

Dab tsi yog qhov shear transformation rau vector?

Txiav Vertically (nrog ntsug axis piv txwv li mus rau Y axis) → Txiav lub ntsiab lus (3, 2) los ntawm ib qho nyiaj k raws thaum uas tig mus rau Y axis nyob rau hauv txoj cai coj nws mus rau (3, 2 + 3 k). Txiav yuav hloov qhov taw tes no mus rau txoj cai. Yog tias k yog (+), thiab yuav txav qhov taw tes rau sab laug yog k yog (-).

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