90- Back Face Removal Algorithm In Computer Graphics In Hindi | Back Face Removal Algorithm

Back Face Removal Algorithm In Computer Graphics In Hindi | Back Face Removal Algorithm:
A simple object space algorithm is Back-Face removal (or back face cull) where no faces on the back of the object are displayed. Since in general about half of the faces of objects are are back faces this algorithm will remove about half of the total polygons in the image.
Back-Face detection, also known as Plane Equation method, is an object space method in which objects and parts of objects are compared to find out the visible surfaces. Let us consider a triangular surface that whose visibility needs to decided. The idea is to check if the triangle will be facing away from the viewer or not. If it does so, discard it for the current frame and move onto the next one. Each surface has a normal vector. If this normal vector is pointing in the direction of the center of projection, then it is a front face and can be seen by the viewer. If this normal vector is pointing away from the center of projection, then it is a back face and can not be seen by the viewer.
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[@girdharipatel2]

Sir aap behtrin pda rhe ho

[@lyricshindi7847]

Sir Bohot detail me ekdam mast samajhate ho. exam me to bhul hi nai sakate. by the way Camera mast draw kiya hai

[@tutorialsspace]

thanks, aap is links se maine jo bhi notes banaye ya net se nikale hai woh download kar sakte hai subject wise, www.tutorialsspace.com/Download-Pdf-Notes/Computer-Graphics-Notes.aspx Video ko like and share karna na bhule. thanks

[@lyricshindi7847]

@@tutorialsspace Ok Sir

[@iamViratVerma]

Well explained 🎉

[@tutorialsspace]

thanks and welcome pls watch this for downloading the notes kzbin.infoY9l0BpPjXsc/edit?o=U

[@prakhartrivedi4442]

very nice sir,loveyou

[@tutorialsspace]

Welcome, My website domain has been taken by godaddy.com, wo Please download notes from www.tutorialsspace.in

[@shubhangidhale7942]

Thank you sir🙂👍

[@tutorialsspace]

notes and book link www.tutorialsspace.com/Computer-Graphics/Computer-Graphics-Books.aspx

[@aashishlande3032]

Sir bahut lamba video he jra kam se kam samay me sikhaye😅😅

[@karunakumar7811]

Sir, pls upload notes also..

[@insideraudiobooks6374]

Love from nepal

[@prajyotgaonkar3664]

Sab sir ke uper se 😅😅

[@tutorialsspace]

gud

[@SIZENMENTOR]

thanks sir ji

[@tutorialsspace]

thanks sizen , pls follow the playlist, link is under description. you can download notes for many subjects at this link.. www.tutorialsspace.com/Download-Pdf-Notes/Software-Engineering-Notes.aspx

[@jishnuvjn3378]

Notes on blackface removal?

[@prashantvyascg9499]

Virtual geometry ja abhi aai hai unreal engine mai uske bare me batao kya hai wo algorithm

[@tutorialsspace]

dont know dear

[@ishachopra6115]

Back space removal or detection are the same or different?

[@tutorialsspace]

different

[@pathfinderhp5680]

Isko to hum hidden surface elimination bi bol skte hai..

[@codingcontainer1358]

You look alike nawazuddin siddiquie 🙂🙂

[@tutorialsspace]

okkk

[@udaykumarj4740]

Please do video lectures in English language.

[@tutorialsspace]

i am not gud in english...really sorry

[@akhiltiwari5318]

@@tutorialsspace No teacher seen like you sir, aap bahut kind hearted ho

[@lks5343]

Sir , Back face detection bhi isko hi bolte h Kya???

[@tutorialsspace]

ji.... bilkul

[@lks5343]

@@tutorialsspace thank you sir ... video is very helpful.....you are one of the bestest teacher .

[@AjayKumar-kh2qo]

sir where is the notes of hidden and visible surface, please provide

[@tutorialsspace]

Dear link may be desc mein hai. Ya website par sidha mil jayenge

[@bhaktiarandolwala7681]

Notes not available

[@ahsankhan-md9yk]

Cos 90 is 0 not 1 .. cos 0 is 1 not 0 .. correction required

[@pulkitsoni2854]

you are correct that cos 90 = 0 , but if you will listen carefully , unhone cos ki max aur min batayi hai aur theta ki max aur min batayi hai .

[@junaidhamid1772]

Very slow speed

[@pulkitsoni2854]

pdai ho rahi hai bhai , maggi nahi bn rahi hai ki 2 minutes me ready