.PS threeD_init s_init(Views) sinclude(tst.dim) # # Chuck.m4 # divert(-1) `Dimensioning for diagrams dimension_(linespec,vert offset, label,blank width,tic offset,<-|->,R)' define(`dimension_',`rpoint_(`$1') ; { define(`m4h',`(rp_len ifelse((`$4'),(),,`-($4)'))')dnl ifelse((`$2'),(),,`if (`$2') != 0 then { {move to rvec_(0, ifelse(`$5',,`sign($2)*3.6bp__',`$5')) line to rvec_(0,`$2')} {move to rvec_(rp_len,ifelse(`$5',,`sign($2)*3.6bp__',`$5')) line to rvec_(0,`$2')} move to rvec_(0,`$2') }') if m4h > 2*arrowht then { { line ifelse(`$6',,<-,index($6,<),0,<-) to rvec_(m4h/2,0) ifelse((`$4'),(),,`move to rvec_(($4),0)') line ifelse(`$6',,->,eval(index($6,>)>0),1,->) to rvec_(m4h/2,0) } } else { { arrow from rvec_(-arrowht*1.5,0) to Here arrow from rvec_(rp_len+arrowht*1.5,0) to rvec_(rp_len,0) } } define(`m4txt',`ifelse(`$7',, `ifelse(index(`$3',"),0,`$3',"`$3'")', `ifdef(`pstricks_',`sprintf("\rput{%g}(0,0){`$3'}",rp_ang*rtod_)',`"$3"')')') ifelse(`$3',,,`m4txt at rvec_(rp_len/2,0)') }') define(`rottxt', `ifdef(`pstricks_',`sprintf("\rput{%g}(0,0){`$2'}",`$1')')') `rotate(angle,at pos, objects at origin)' define(`rotate', `ifdef(`pstricks_',`M4tmp: "" ifelse(`$2',,Here,`$2') sprintf("\rput{%g}(%g,%g){`$3'}",`$1',M4tmp.x/scale,M4tmp.y/scale)')') `r_box(angle,pos,string)' define(`crl',`int(`($1)'/scale*1000000)/1000000') define(`r_box', `ifdef(`pstricks_',`M4tmp: ifelse(`$2',,Here,`$2') command sprintf("\rput{%g}(%g,%g){",`$1',crl(M4tmp.x),crl(M4tmp.y)) w_box(`$3') at Orig command "}%"')') `r_dimen(linespec,offset,label,tic offset,<->,pos)' define(`r_dimen', `M4tmp: dimension_(`$1',`$2',,,`$4',`$5') r_box(rp_ang*rtod_,ifelse(`$6',,M4tmp+vec_(0,`$2'),`$6'),`$3')') `ctrline(linespec,len)' define(`cdashl',0.1*scale) define(`cgapl',0.03*scale) define(`ctrline',`rpoint_(ifelse(`$1',,`to rvec_(linewid,0)',`$1')) define(`m4h',ifelse(`$2',,1*scale,`$2'))dnl m4n = int(rp_len/2/(m4h))*2+1 for i=1 to m4n do { line to rvec_(rp_len/m4n/2-cdashl/2-cgapl,0) move to rvec_(cgapl,0); line to rvec_(cdashl,0); move to rvec_(cgapl,0) line thick dimensionth to rvec_(rp_len/m4n/2-cdashl/2-cgapl,0) } ') `ctrarcr(pos,radius,startang,endang,len)' define(`ctrarcr',`dnl define(`m5h',ifelse(`$5',,1*scale,`$5'))dnl rp_len = abs((`$2')*(`$4'-(`$3'))) m5n = int(rp_len/2/(m5h))*2+1 m5a = (rp_len/m5n/2-cdashl/2-cgapl)/(`$2') m5s = cdashl/(`$2') m5sa = `$3' for m4irr=1 to m5n do { arc from `$1'+(rect_(`$2',m5sa)) to `$1'+(rect_(`$2',m5sa+m5a)) \ with .c at `$1' m5sa = m5sa+m5a+cgapl/(`$2') arc from `$1'+(rect_(`$2',m5sa)) to `$1'+(rect_(`$2',m5sa+m5s)) \ with .c at `$1' m5sa = m5sa+m5s+cgapl/(`$2') arc from `$1'+(rect_(`$2',m5sa)) to `$1'+(rect_(`$2',m5sa+m5a)) \ with .c at `$1' m5sa = m5sa+m5a } ') divert(0)dnl scale = 25.4*2 tic = 3.6bp__ command "{\sf" #psset_(linecolor=white) #command "\color{white}" #include(Lettering.m4) #Letter_init define(`visible',`linethick_(visibleth)') define(`hidden',`linethick_(hiddenth)') define(`dimension',`linethick_(dimensionth) arrowwid = 1.5*arrowwid; arrowht = 1.5*arrowht; ') d1 = 230 d2 = 204 d3 = 140 visibleth = 1.2 dimensionth = 0.4 hiddenth = dimensionth Orig: Here visible D3: circle diam d3 at Orig D2: circle diam d2 at Orig rr = d1/2 r = 40 h = 110/2 thet = asin((h+r)/(rr+r)) X1: rect_(rr,thet) P1: rect_(rr+r,thet) dimension cross(at (P1.x,-P1.y)) cross(at (-P1.x,P1.y)) # Top outer visible line visible # arc ccw from (-P1.x,h) to (-X1.x,X1.y) rad r with .c at (-P1.x,P1.y) arcs = atan2(P1.x-X1.x,P1.y-X1.y) n = 0 nn = 8 for i = 0 to nn do {P[n]:(-P1.x,P1.y)+(rect_(r,-twopi_/4+i/nn*arcs)); n=n+1} for i = 1 to nn do {P[n]:Orig+(rect_(rr,pi_-thet-i/nn/2*(pi_-2*thet))); n=n+1} n = n-1 for i = 1 to n do { P[n+i]:(-P[n-i].x,P[n-i].y) } fitcurve(P,2*n) # top arc # arc cw to X1 rad rr with .c at Orig # arc ccw from X1 to (P1.x,h) rad 4 with .c at P1 # right end line from (P1.x,h) to (305/2,h) then to (305/2,32/2) then left 40-3 arc ccw rad 3 line down 32-2*3 arc ccw rad 3 dimension { r_dimen(up 32 with .c at (305/2-5,0),0,32) arrow <- up 8 right 8 then right 4 from last arc.sw "3$\,$R" ljust r_dimen(up h*2 at (305/2,0),-10,110) }; visible line right 40-3 then to (305/2,-h) then to (P1.x,-h) # arc ccw to (X1.x,-X1.y) rad r with .c at P1.x,-P1.y # bottom arc for i = 0 to 2*n do { P[i]: (-P[2*n-i].x,-P[i].y) } fitcurve(P,2*n) # arc cw to (-X1.x,-X1.y) rad rr with .c at Orig # arc ccw to (-P1.x,-h) rad r with .c at (-P1.x,-P1.y) # left end line from (-P1.x,-h) to (-305/2,-h) then to (-305/2,-25/2) then right 25 down; arc ccw rad 3 line right 40-25-2*3 arc ccw rad 3 line up 25 {R: line invis down 10 at (2nd last line,last line) } arc ccw rad 3 line left 40-25-2*3 arc ccw rad 3 line to (-305/2,25/2) then to (-305/2,h) then to (-P1.x,h) dimension # centre ctrline(right 305-30 with .c at Orig,60) ctrline(up d1+10 with .c at Orig,) {BX: box invis ht 25+2*3 wid 40-25 rad 3 with .w at (-305/2+25,0)} Q: line invis from BX.n to BX.s; R: line invis from BX.se up 10 left 10 X: Intersect_(Q,R) line <-> from BX.se to X then to (X.x,-X.y) then to BX.nw r_box(90,BX,`3$\,$R') # Drill centres D[1]: 35,sqrt(85^2-35^2) D[2]: -D[1].x,D[1].y D[3]: -D[1].x,-D[1].y D[4]: D[1].x,-D[1].y ctrline(from D[3] to D[1] chop 15) ctrline(to rvec_(2*15,0)) ctrline(from D[3]+vec_(-15,0) to D[3]+vec_(15,0)) ctrline(from D[2] to D[4] chop 15) ctrline(to rvec_(2*15,0)) ctrline(from D[2]+vec_(-15,0) to D[2]+vec_(15,0)) visible for i=1 to 4 do { circle diam 16 at D[i] for j = 0 to 7 do { arcr(D[i],23/2,j/8*twopi_,(j+3/4)/8*twopi_) ccw } } hidden for s=-1 to 1 by 2 do { line dashed from (-305/2,s*h) to (305/2,s*h) line dashed from (-305/2,s*30.6) to (305/2,s*30.6) line dashed from (-305/2,s*21.1) to (305/2,s*21.1) line dashed from (-305/2+25+2,s*21.1) to (305/2,s*21.1) line dashed dashwid/2 from (-305/2+25,s*25/2) down -s*(40/2-25/2-2); if s<0 then { arc dashed dashwid/4 ccw rad 2 } else { up; arc dashed dashwid/4 cw rad 2 } line dashed to ((305/2,0),Here) for k = -1 to 1 by 2 do { move to (k*305/2,s*(30.6+10)) { dashline(from Here+(0,s*9.5/2) right -k*16,,dashwid/2) dashline(right -k*9.5/2/2 up -s*9.5/2,,dashwid/3) dashline(left -k*9.5/2/2 up -s*9.5/2,,dashwid/3) dashline(left -k*16,,dashwid/2) dashline(from Here+(-k*16,0) up s*9.5,,dashwid/2.5) } { dashline(from Here+(0,s*11/2) right -k*36.5,,dashwid/2) dashline(right -k*11/2/2 up -s*11/2,,dashwid/3) dashline(left -k*11/2/2 up -s*11/2,,dashwid/3) dashline(left -k*36.5,,dashwid/2) dashline(from Here+(-k*36.5,0) up s*11,,dashwid/2.5) } { dashline(from Here+(0,s*13/2) right -k*32,,dashwid/2) dashline(down s*13,,dashwid/2) dashline(left -k*32,,dashwid/2) } ctrline(right -k*20 chop -3 chop 0); ctrline(right -k*20 chop 0 chop -3) } } dimension # bottom dimension_(from (-305/2,-h) to (305/2,-h),-(rr*1.1-h),"305",20pt__) # outer radii r_dimen(from (-P1.x,P1.y) down 40*cosd(30) right 40*sind(30),0,40,,->) r_dimen(from (P1.x,-P1.y)+(Rect_(40,120)) \ down 40*cosd(30) right 40*sind(30),0,40,,<-) # main diameter r_dimen(from (Rect_(rr,180+50)) to (Rect_(rr,50)),,230,,,(Rect_(50,50))) # inner circles r_dimen(from (Rect_(d2/2,180+25)) to (Rect_(d2/2,25)),,204,,,(Rect_(25,25))) r_dimen(from (Rect_(d3/2,180-12)) to (Rect_(d3/2,-12)),,140,,,(Rect_(25,-12))) # bolt hole placement diameter r_dimen(from Orig to (Rect_(85,-43)),,`85$\,$R',,->,(Rect_(20,-43))) # left slot r_dimen(from (-305/2+6,-25/2) up 25,0,25) r_dimen(from (-305/2,-26) right 40,0,40) line from last line.end to (last line.end.x,BX.s.y) chop -tic chop 0 r_dimen(from (-305/2,26) right 25,0,25) line from last line.end to (last line.end.x,BX.n.y) chop -tic chop 0 # right slot r_dimen(from (305/2-40,-32/2-10) right 40,0,40) line from (305/2-40,-32/2) down 10+tic # drill-holes for i=1 to 4 do { ctrarcr(Orig,85,atan2(D[i].y,D[i].x)-10*dtor_,atan2(D[i].y,D[i].x)+10*dtor_) } ctrarcr(Orig,85,atan2(D[4].y,D[4].x)+10*dtor_,atan2(D[4].y,D[4].x)+25*dtor_) ctrline(up 30 at D[3]) ctrline(up 30 at D[4]) r_dimen(from D[3]+(0,-14) right 35,0,35) r_dimen(from (0,D[3].y-14) right 35,0,35) # arrow <- down 30 left 30 from D[3] chop 16/2 chop 0 then left 5 # "16 DRILL 23 CBORE" rjust "4 HOLES" rjust arrow <- from (-305/2,30.6+10+2) up 5 left 5 then up 13 s_box(SEE (A)) with .sw at Here+(-5pt__,2pt__) command "}%" .PE