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8/23/2015
Projection of Points Basics
ENGINEERING DRAWING - LEARN ENGINEERING DRAWING ONLINE Engineering Drawing website featuring tutorials based on GTU (Gujarat Technological University) syllabus for first year engineering students.
ENGINEERING DRAWING
BASICS
PROJECTIONS
ISOMETRIC
ORTHOGRAPHIC
Projection of Points Basics Posted on November 16, 2012 by Vasim Machhar in Drawing Basics, Projection of Points // 38 Comments
Chapters Development of Lateral Surfaces Drawing Basics Engineering Curves Isometric Projections Loci of Points Orthographic Projections Projection of Planes Projection of Points Projection of Solids Projection of Straight Lines Scales Section of Solids Sectional Orthographic
Projection of Points – Point’s position will be given in data. We need to find out its projection on H.P. (Horizontal Plane) and on V.P. (Vertical Plane). There are maximum four quadrant wise positions possible of point. As we all know about quadrant, there are 4 quadrants exist. See figure below.
Here are four quadrant wise positions for any point.
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
1/9
8/23/2015
Projection of Points Basics
1. Above H.P. and In Front of V.P. which shows point is in First Quadrant 2. Above H.P. and Behind V.P. which shows point is in Second Quadrant 3. Below H.P. and Behind V.P. which shows point is in Third Quadrant 4. Below H.P. and In Front of V.P. which shows point is in Fourth Quadrant See figure below.
Let us check these quadrants in H.P. (Horizontal Plane) and on V.P. (Vertical Plane) view. See figure below.
To find solution of problems based on projections we need to rotate H.P. (Horizontal Plane) in clockwise direction to 90º. After this rotation of H.P. it will become parallel to V.P. See fig below.
Solved Example: Course: Engineering Drawing
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
2/9
8/23/2015
Projection of Points Basics Tutorial Type: FREE
Data: A Point “M” is 40 mm above H.P. and 40 mm in front of V.P. Draw its projections. Solution: As point’s position is above H.P. and In Front of V.P. it is in First Quadrant. See figure below.
We will get m’ projected on V.P. for front view which shows Elevation and m on H.P. for top view which shows Plan. So, plan will be 40 mm in front of V.P. and Elevation will be 40 mm above H.P. As per we discussed before for solution we need to rotate H.P. in clockwise direction up to 90º. See figure below.
So the solution for the above data is:
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
3/9
8/23/2015
Projection of Points Basics
Plan: Projection on H.P. Elevation: Projection on V.P. In same way we can find projections for any point at any condition. Just to rotate H.P. at 90º while drawing solution. Here are few important notes: 1. When point is in 1st quadrant, its plan will be below XY (reference line) and elevation will be above XY. 2. When point is in 2nd quadrant, its plan and elevation both will be above XY. 3. When point is in 3rd quadrant, its plan will be above XY and elevation will be below XY. 4. When point is in 4th quadrant, its plan and elevation both will be below XY.
points basics
Related Tutorials Engineering Graphics (2110013) GTU Paper Objective Key Winter 2013 December 22, 2013 // 0 Comments
Problem 10.3 Isometric Projection May 5, 2013 // 0 Comments
Problem 10.2 Isometric Projection May 3, 2013 // 0 Comments
Problem 10.1 Isometric Projection March 15, 2013 // 0 Comments
Problem 4.11 Projection of Straight Lines March 15, 2013 // 0 Comments
About Vasim Machhar An Engineering Drawing Geek. Working at Noble Group of Institutions, Junagadh as Head of Mechanical Engineering Department.
38 Comments on Projection of Points Basics
prabhanshu // August 24, 2013 at 6:21 pm // Reply
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
4/9
8/23/2015
Projection of Points Basics
Thanks bro it really gave me a start
Vasim // August 26, 2013 at 5:09 am // Reply
Always welcome…!
mohit // October 2, 2013 at 3:47 am // Reply
really really helpful…my teacher in dtu is really horrible…
Vasim // October 2, 2013 at 4:01 pm // Reply
Thank you very much for appreciation! God Bless you.
Stephen // November 5, 2013 at 7:04 am // Reply
Sir, So help full …… Thanks a lot with regards Stephen
Vasim // November 8, 2013 at 7:14 pm // Reply
Thank you very much for appreciation! God Bless you.
Ishant // July 25, 2014 at 2:33 pm // Reply
Thanks you very much for making this website ..
Vasim // July 26, 2014 at 3:48 pm // Reply
Thanks for appreciation & welcome !
KRITESH BIR BAGGA // December 1, 2014 at 9:44 am // Reply
Very Helpful….. i was trying to find notes in pdf…… But now i've got this site,no need of notes now…….. Thanks Sir……
Vasim // December 2, 2014 at 1:17 pm // Reply
Really appreciate this….many thanks!
Hashim Risaldar // December 16, 2014 at 5:44 pm // Reply
Thank You very much Sir I understood it perfectly
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
5/9
8/23/2015
Projection of Points Basics
My teacher is really horrible and babbles whenever he teaches ED This really helped me a lot
Vasim // December 21, 2014 at 5:12 am // Reply
Thanks for appreciation!
Mishti // December 19, 2014 at 1:14 pm // Reply
if both the views of a point coincides on the reference line then point lies which angle
Vasim // December 21, 2014 at 5:11 am // Reply
Point lies on reference line itself. And default quadrant considered as first.
omkar // January 19, 2015 at 2:25 pm // Reply
thanks a lot bro….best site ever….:) btw is the portion same for mumbai university too…???
Vasim // January 24, 2015 at 2:50 pm // Reply
Thanks dear….and yes almost same for Mumbai university!
joshua umugwaneza // February 6, 2015 at 9:10 am // Reply
thank you dear. these are what we tought this night.
Vasim // February 13, 2015 at 1:41 pm // Reply
welcome dear!
vijay // February 28, 2015 at 6:21 pm // Reply
Why we rotating object by 90 deg clockwise
Vasim // March 1, 2015 at 1:20 pm // Reply
If we dont rotate clockwise direction then we cant see the top view from front direction as we are drawing our solution by keeping front view as default view.
Thezzz // March 4, 2015 at 3:22 pm // Reply
hey………it's very delightful one………….juzt delighted……..:p
vikas pathariya // March 21, 2015 at 8:17 am // Reply
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
6/9
8/23/2015
Projection of Points Basics
thanks sir
Manisha Georgina // March 25, 2015 at 2:36 am // Reply
This was really helpful, thank you.
Dharm Patel // April 1, 2015 at 3:22 am // Reply
Comment…very very helpful information and this is basic knowledge of projection of points.
Vasim // April 2, 2015 at 4:11 pm // Reply
Thank You!
smurna // April 10, 2015 at 6:10 am // Reply
its very use ful
sairam // May 14, 2015 at 2:45 pm // Reply
sir, its so helpfull really now am perfect in projection of points
jayna // May 17, 2015 at 7:18 am // Reply
Very useful…thank you. So much
rajasri // July 13, 2015 at 3:36 pm // Reply
i cant understand a bit about that rotation thing in the class but in here,it was great i got it in the first time itself thank u for this website
niharika // July 18, 2015 at 12:45 pm // Reply
i want remaining problems solutions in projection of points
RAJESH PANDAVULA // August 1, 2015 at 7:53 am // Reply
thanku so much sir it;s really very good explanation for drawing fundamentals
sneha // August 4, 2015 at 5:09 am // Reply
Thank u so much sir,this help me clear my dougths.
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
7/9
8/23/2015
Projection of Points Basics
sneha // August 4, 2015 at 5:12 am // Reply
Thanking u sir,for introdusing such an awesome site.
Tony // August 9, 2015 at 4:48 am // Reply
Very much helpfulll….. May God blesss everyone behind this great venture…….
Vasim Machhar // August 10, 2015 at 1:14 pm // Reply
Thank you and all above who appreciated our work.
apoorva maiya // August 11, 2015 at 2:33 am // Reply
Very very useful… Ty for introducing such an awesome site… Is this available for other subjects like physics also??
Vasim Machhar // August 11, 2015 at 1:02 pm // Reply
Dear, No its available only for Engineering Drawing
abdul haathi // August 13, 2015 at 1:08 am // Reply
thank u very much.this website clear my all doult
Leave a comment Your email address will not be published. Name *
Email *
Website
Comment
Post Comment
Pages
Search Here
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
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8/9
8/23/2015 Engineering Drawing
Projection of Points Basics To search, type and hit enter
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Engineering … 65k likes
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http://www.engineeringdrawing.org/2012/11/pointsbasics.html
9/9
Projection of Points Basics
ENGINEERING DRAWING - LEARN ENGINEERING DRAWING ONLINE Engineering Drawing website featuring tutorials based on GTU (Gujarat Technological University) syllabus for first year engineering students.
ENGINEERING DRAWING
BASICS
PROJECTIONS
ISOMETRIC
ORTHOGRAPHIC
Projection of Points Basics Posted on November 16, 2012 by Vasim Machhar in Drawing Basics, Projection of Points // 38 Comments
Chapters Development of Lateral Surfaces Drawing Basics Engineering Curves Isometric Projections Loci of Points Orthographic Projections Projection of Planes Projection of Points Projection of Solids Projection of Straight Lines Scales Section of Solids Sectional Orthographic
Projection of Points – Point’s position will be given in data. We need to find out its projection on H.P. (Horizontal Plane) and on V.P. (Vertical Plane). There are maximum four quadrant wise positions possible of point. As we all know about quadrant, there are 4 quadrants exist. See figure below.
Here are four quadrant wise positions for any point.
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
1/9
8/23/2015
Projection of Points Basics
1. Above H.P. and In Front of V.P. which shows point is in First Quadrant 2. Above H.P. and Behind V.P. which shows point is in Second Quadrant 3. Below H.P. and Behind V.P. which shows point is in Third Quadrant 4. Below H.P. and In Front of V.P. which shows point is in Fourth Quadrant See figure below.
Let us check these quadrants in H.P. (Horizontal Plane) and on V.P. (Vertical Plane) view. See figure below.
To find solution of problems based on projections we need to rotate H.P. (Horizontal Plane) in clockwise direction to 90º. After this rotation of H.P. it will become parallel to V.P. See fig below.
Solved Example: Course: Engineering Drawing
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
2/9
8/23/2015
Projection of Points Basics Tutorial Type: FREE
Data: A Point “M” is 40 mm above H.P. and 40 mm in front of V.P. Draw its projections. Solution: As point’s position is above H.P. and In Front of V.P. it is in First Quadrant. See figure below.
We will get m’ projected on V.P. for front view which shows Elevation and m on H.P. for top view which shows Plan. So, plan will be 40 mm in front of V.P. and Elevation will be 40 mm above H.P. As per we discussed before for solution we need to rotate H.P. in clockwise direction up to 90º. See figure below.
So the solution for the above data is:
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
3/9
8/23/2015
Projection of Points Basics
Plan: Projection on H.P. Elevation: Projection on V.P. In same way we can find projections for any point at any condition. Just to rotate H.P. at 90º while drawing solution. Here are few important notes: 1. When point is in 1st quadrant, its plan will be below XY (reference line) and elevation will be above XY. 2. When point is in 2nd quadrant, its plan and elevation both will be above XY. 3. When point is in 3rd quadrant, its plan will be above XY and elevation will be below XY. 4. When point is in 4th quadrant, its plan and elevation both will be below XY.
points basics
Related Tutorials Engineering Graphics (2110013) GTU Paper Objective Key Winter 2013 December 22, 2013 // 0 Comments
Problem 10.3 Isometric Projection May 5, 2013 // 0 Comments
Problem 10.2 Isometric Projection May 3, 2013 // 0 Comments
Problem 10.1 Isometric Projection March 15, 2013 // 0 Comments
Problem 4.11 Projection of Straight Lines March 15, 2013 // 0 Comments
About Vasim Machhar An Engineering Drawing Geek. Working at Noble Group of Institutions, Junagadh as Head of Mechanical Engineering Department.
38 Comments on Projection of Points Basics
prabhanshu // August 24, 2013 at 6:21 pm // Reply
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
4/9
8/23/2015
Projection of Points Basics
Thanks bro it really gave me a start
Vasim // August 26, 2013 at 5:09 am // Reply
Always welcome…!
mohit // October 2, 2013 at 3:47 am // Reply
really really helpful…my teacher in dtu is really horrible…
Vasim // October 2, 2013 at 4:01 pm // Reply
Thank you very much for appreciation! God Bless you.
Stephen // November 5, 2013 at 7:04 am // Reply
Sir, So help full …… Thanks a lot with regards Stephen
Vasim // November 8, 2013 at 7:14 pm // Reply
Thank you very much for appreciation! God Bless you.
Ishant // July 25, 2014 at 2:33 pm // Reply
Thanks you very much for making this website ..
Vasim // July 26, 2014 at 3:48 pm // Reply
Thanks for appreciation & welcome !
KRITESH BIR BAGGA // December 1, 2014 at 9:44 am // Reply
Very Helpful….. i was trying to find notes in pdf…… But now i've got this site,no need of notes now…….. Thanks Sir……
Vasim // December 2, 2014 at 1:17 pm // Reply
Really appreciate this….many thanks!
Hashim Risaldar // December 16, 2014 at 5:44 pm // Reply
Thank You very much Sir I understood it perfectly
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
5/9
8/23/2015
Projection of Points Basics
My teacher is really horrible and babbles whenever he teaches ED This really helped me a lot
Vasim // December 21, 2014 at 5:12 am // Reply
Thanks for appreciation!
Mishti // December 19, 2014 at 1:14 pm // Reply
if both the views of a point coincides on the reference line then point lies which angle
Vasim // December 21, 2014 at 5:11 am // Reply
Point lies on reference line itself. And default quadrant considered as first.
omkar // January 19, 2015 at 2:25 pm // Reply
thanks a lot bro….best site ever….:) btw is the portion same for mumbai university too…???
Vasim // January 24, 2015 at 2:50 pm // Reply
Thanks dear….and yes almost same for Mumbai university!
joshua umugwaneza // February 6, 2015 at 9:10 am // Reply
thank you dear. these are what we tought this night.
Vasim // February 13, 2015 at 1:41 pm // Reply
welcome dear!
vijay // February 28, 2015 at 6:21 pm // Reply
Why we rotating object by 90 deg clockwise
Vasim // March 1, 2015 at 1:20 pm // Reply
If we dont rotate clockwise direction then we cant see the top view from front direction as we are drawing our solution by keeping front view as default view.
Thezzz // March 4, 2015 at 3:22 pm // Reply
hey………it's very delightful one………….juzt delighted……..:p
vikas pathariya // March 21, 2015 at 8:17 am // Reply
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
6/9
8/23/2015
Projection of Points Basics
thanks sir
Manisha Georgina // March 25, 2015 at 2:36 am // Reply
This was really helpful, thank you.
Dharm Patel // April 1, 2015 at 3:22 am // Reply
Comment…very very helpful information and this is basic knowledge of projection of points.
Vasim // April 2, 2015 at 4:11 pm // Reply
Thank You!
smurna // April 10, 2015 at 6:10 am // Reply
its very use ful
sairam // May 14, 2015 at 2:45 pm // Reply
sir, its so helpfull really now am perfect in projection of points
jayna // May 17, 2015 at 7:18 am // Reply
Very useful…thank you. So much
rajasri // July 13, 2015 at 3:36 pm // Reply
i cant understand a bit about that rotation thing in the class but in here,it was great i got it in the first time itself thank u for this website
niharika // July 18, 2015 at 12:45 pm // Reply
i want remaining problems solutions in projection of points
RAJESH PANDAVULA // August 1, 2015 at 7:53 am // Reply
thanku so much sir it;s really very good explanation for drawing fundamentals
sneha // August 4, 2015 at 5:09 am // Reply
Thank u so much sir,this help me clear my dougths.
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
7/9
8/23/2015
Projection of Points Basics
sneha // August 4, 2015 at 5:12 am // Reply
Thanking u sir,for introdusing such an awesome site.
Tony // August 9, 2015 at 4:48 am // Reply
Very much helpfulll….. May God blesss everyone behind this great venture…….
Vasim Machhar // August 10, 2015 at 1:14 pm // Reply
Thank you and all above who appreciated our work.
apoorva maiya // August 11, 2015 at 2:33 am // Reply
Very very useful… Ty for introducing such an awesome site… Is this available for other subjects like physics also??
Vasim Machhar // August 11, 2015 at 1:02 pm // Reply
Dear, No its available only for Engineering Drawing
abdul haathi // August 13, 2015 at 1:08 am // Reply
thank u very much.this website clear my all doult
Leave a comment Your email address will not be published. Name *
Email *
Website
Comment
Post Comment
Pages
Search Here
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
Our Facebook Page
8/9
8/23/2015 Engineering Drawing
Projection of Points Basics To search, type and hit enter
Authors
Engineering … 65k likes
Sitemap
Like Page
Be the first of your friends to like this
SUBSCRIBE FOR FREE! Subscribe to our mailing list and get free updates to your email inbox. Enter your email here
SIGN UP NOW we respect your privacy and take protecting it seriously.
Copyright © 2015 | WordPress Theme by MH Themes
http://www.engineeringdrawing.org/2012/11/pointsbasics.html
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