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h1. General Program Information {float:left|border=2px solid black} [!1.bmp|width=580px!|AutoCAD Pipe Program] [!2.bmp|width=400px!|AutoCAD Elbow Program] Southwest Isometric View {float} \\ \\ h3. Input Definitions h5. Inputs Needed to Call the Elbow Function o - the origin, the point corresponding to where the elbow will be drawn. o is also the center of the radius of curvature of the elbow. Pipe{~}inr~ \- the inner radius of the elbow h5. Inputs Defined within the Elbow Function p1 = * x : o{~}0~ * y : o{~}1~ * z : o{~}2~ p2 = * x : o{~}0~ \- ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) * y : o{~}1~ \- ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) * z : o{~}2~ \- outerradius(2*pipe{~}inr~) + SocketDepth(2*pipe{~}inr~) p3 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) * z : o{~}2~ + outerradius(2*pipe{~}inr~) + SocketDepth(2*pipe{~}inr~) p4 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) * y : o{~}1~ * z : o{~}2~ p5 = * x : o{~}0~ \- ElbowRadius(2*pipe{~}inr~) - pipe{~}inr~ * y : o{~}1~ * z : o{~}2~ p6 = * x : o{~}0~ * y : o{~}1~ \- ElbowRadius(2*pipe{~}inr~) - outerraduis(2*pipe{~}inr~) - zc * z : o{~}2~ \- ConRadius(2*pipe{~}inr~) p7 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) + zc * y : o{~}1~ * z : o{~}2~ + ConRadius(2*pipe{~}inr~) p9 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ p10 = * x : o{~}0~ \- SocketDepth(2*pipe{~}inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ p11 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) * z : o{~}2~ p12 = * x : o{~}0~ \- SocketDepth(2*pipe{~}inr~) - zc * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) - outerraduis(2*pipe{~}inr~) * z : o{~}2~ p13 = * x : o{~}0~ + zc * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) * z : o{~}2~ p14 = * x : o{~}0~ \- SocketDepth(2*pipe{~}inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) * z : o{~}2~ p15 = * x : o{~}0~ * y : o{~}1~ p16 = * x : o{~}0~ + zc * y : o{~}1~ + zc p17 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) * y : o{~}1~ \- SocketDepth(2*pipe{~}inr~) * z : o{~}2~ p18 = * x : o{~}0~ \- SocketDepth(2*pipe{~}inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ R1 = ElbowRadius(2*pipe{~}inr~) R2 = outerraduis(2*pipe{~}inr~) R3 = pipe{~}inr~ R4 = H1 = ConRaduis(2*pipe{~}inr~) win1 = * x : o{~}0~ \- ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) + zc * y : o{~}1~ \- ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) + zc * z : o{~}2~ win2 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) + zc * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) + zc * z : o{~}2~ *Note:* zc corresponds to the zoom constant used within AutoCAD, defined by the basics file. h1. Technical Program Outline *Note:* All coordinates are referenced in top view in the program unless otherwise specified {float:left|border=2px solid black} [!3.bmp|width=580px!|AutoCAD Elbow Program] {float} *zoom{*}{*}{~}win{~}*\- zooms on a window space directly around where the elbow is to be drawn zoom{~}win~ <-\- zoom{~}wina~(win1,win2) win1 = * x : o{~}0~ \- ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) + zc * y : o{~}1~ \- ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) + zc * z : o{~}2~ win2 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) + zc * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) + zc * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!4b.bmp|width=600px!|AutoCAD Elbow Program] Top View [!5.bmp|width=600px!|AutoCAD Elbow Program] Southwest Isometric View {float} *torus{*}{~}big~ \- Draws the larger torus, a 3 dimensional ring that creates the outer surface of the elbow torus{~}big~ <-\- torus(p1,R1,R2) p1 = * x : o{~}0~ * y : o{~}1~ * z : o{~}2~ R1 = ElbowRadius(2*pipe{~}inr~) R2 = outerraduis(2*pipe{~}inr~) \\ \\ {float:left|border=2px solid black} [!6.bmp|width=640px!|AutoCAD Elbow Program] {float} *box1* \- draws a box slightly larger than the torus, in all dimensions box1 <-\- box(p2,p3) p2 = * x : o{~}0~ \- ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) * y : o{~}1~ \- ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) * z : o{~}2~ \- outerradius(2*pipe{~}inr~) + SocketDepth(2*pipe~inr~) p3 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) + ConRaduis(2*pipe{~}inr~) * z : o{~}2~ + outerradius(2*pipe{~}inr~) + SocketDepth(2*pipe{~}inr~) \\ \\ {float:left|border=2px solid black} [!7c.bmp|width=640px!|AutoCAD Elbow Program] *Before Subtract* [!7a.bmp|width=480px!|AutoCAD Elbow Program] *After Subtract* {float} *subtract1* \- removes the box that was drawn over half of the torus in order to make it a half torus subtract1<-\- subtractD(p4,p1) p4 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) * y : o{~}1~ * z : o{~}2~ p1 = * x : o{~}0~ * y : o{~}1~ * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!8.bmp|width=680px!|AutoCAD Elbow Program] {float} \*torus\*~small~\ - draws a smaller torus torus{~}small~ <-\- torus(p1,R1,R3) p1 = * x : o{~}0~ * y : o{~}1~ * z : o{~}2~ R1 = R3 = ElbowRadius(2*pipe{~}inr~) R3 = pipe{~}inr~ \\ \\ {float:left|border=2px solid black} [!8b.bmp|width=680px!|AutoCAD Elbow Program] *Before Subtract* [!9.bmp|width=500px!|AutoCAD Elbow Program] *After Subtract* {float} *subtract2* \- removes the left half of the smaller torus subtract2 <-\- subtractA(p4,p5) p4 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) * y : o{~}1~ * z : o{~}2~ p5 = * x : o{~}0~ \- ElbowRadius(2*pipe{~}inr~) - pipe{~}inr~) * y : o{~}1~ * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!10.bmp|width=480px!|AutoCAD Elbow Program] {float} *box2*\- draws a box over the lower half of the remaining torus box2 <-\- box(p6,p7) p6 = * x : o{~}0~ * y : o{~}1~ \- ElbowRadius(2*pipe{~}inr~) - outerraduis(2*pipe{~}inr~) - zc * z : o{~}2~ \- ConRadius(2*pipe{~}inr~) p7 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) + zc * y : o{~}1~ * z : o{~}2~ + ConRadius(2*pipe{~}inr~) \\ \\ {float:left|border=2px solid black} [!11.bmp|width=480px!|AutoCAD Elbow Program] {float} *subtract3* \- removes the box that was drawn in the previous step subtract3 <-\- subtractD(p9,p1) p9 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ p1 = * x : o{~}0~ * y : o{~}1~ * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!12.bmp|width=480px!|AutoCAD Elbow Program] {float} *outercylinder* \- draws a cylinder at the end of the elbow to form the outer surface of a socket outercylinder <-\- cylinderB(p9,R4,P10) p9 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ R4 = ConRaduis(2*pipe{~}inr~) p10 = * x : o{~}0~ \- SocketDepth(2*pipe~inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!13.bmp|width=480px!|AutoCAD Elbow Program] {float} *innercylinder* \- draws a smaller cylinder within the larger cylinder, forming the inner surface of a socket innercylinder <-\- cylinderB(p9,R2,p10) p9 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ R2 = outerraduis(2*pipe{~}inr~) p10 = * x : o{~}0~ \- SocketDepth(2*pipe~inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!14.bmp|width=480px!|AutoCAD Elbow Program] {float} *subtract4* \- removes the smaller cylinder, creating a hollow socket at the end of the elbow subtract4 <-\- subtractH(p11,p12,p13) p11 = * x : o{~}0~ * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) * z : o{~}2~ p12 = * x : o{~}0~ \- SocketDepth(2*pipe~inr~) - zc * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) - outerraduis(2*pipe{~}inr~) * z : o{~}2~ p13 = * x : o{~}0~ + zc * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) + outerraduis(2*pipe{~}inr~) * z : o{~}2~ \\ \\ {float:left|border=2px solid black} [!15a.bmp|width=480px!|AutoCAD Elbow Program] [!15b.bmp|width=480px!|AutoCAD Elbow Program] {float} *mirror* \- replicates the socket drawn onto the opposite end of the elbow mirror <-\- mirrorA(p14,p15,p16) p14 = * x : o{~}0~ \- SocketDepth(2*pipe~inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) - ConRaduis(2*pipe{~}inr~) * z : o{~}2~ p15 = * x : o{~}0~ * y : o{~}1~ p16 = * x : o{~}0~ + zc * y : o{~}1~ + zc \\ \\ {float:left|border=2px solid black} [!16a.bmp|width=480px!|AutoCAD Elbow Program] [!16b.bmp|width=480px!|AutoCAD Elbow Program] {float} *bigunion* \- unites all the pieces drawn so the elbow will act as one unit, instead of three separate units. bigunion <-\- bigunion{~}elbow~(p1,p17,p18,R1,R2) p1 = * x : o{~}0~ * y : o{~}1~ * z : o{~}2~ p17 = * x : o{~}0~ + ElbowRadius(2*pipe{~}inr~) * y : o{~}1~ \- SocketDepth(2*pipe~inr~) * z : o{~}2~ p18 = * x : o{~}0~ \- SocketDepth(2*pipe~inr~) * y : o{~}1~ + ElbowRadius(2*pipe{~}inr~) * z : o{~}2~ R1 = ElbowRadius(2*pipe{~}inr~) R2 = outerraduis(2*pipe{~}inr~) \\ \\ |
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