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-.PS
-# AntiqueClockSVG.m4
-gen_init(svg_font(font-family="sans-serif" font-stretch="condensed"))
-
-# https://tex.stackexchange.com/questions/236923/generate-analog-clock-with-numbered-face-add-seconds-roman-numerals
-
-svg_rot_init(AntiqueClockSVG)
-
-# `hms2deg(hr,min,sec) hr:min:sec to degrees
-# blank arg1: degrees for minute hand
-# blank arg1 and arg2: degrees for second hand'
-define(`hms2deg',`ifelse(`$1',,
- `ifelse(`$2',,
- `(90-pmod(ifelse(`$3',,0,`$3'),60)/60*360)',
- `(90-(pmod(`$2',60)/60 + pmod(ifelse(`$3',,0,`$3'),60)/60/60)*360)')',
- `(90-(pmod(`$1',12) + pmod(ifelse(`$2',,0,`$2'),60)/60 + dnl
- pmod(ifelse(`$3',,0,`$3'),60)/3600)/12*360)')')
-
-# `SecondHand(length,hr,min,sec)'
-define(`SecondHand',`[ shsf = (`$1')/3.2
- C: Here
- { L: rpoint_(to (Rect_(`$1',hms2deg(,,`$4')))) }
- line thick 8*shsf to rvec_(`$1',0)
- ]')
-
-# `AntiqueMinuteHand(length,hr,min,sec)'
-define(`AntiqueMinuteHand',`[ mhsf = (`$1')/2.84
- L: rpoint_(to (Rect_(`$1',hms2deg(,`$3',`$4'))))
- C: circle fill_(0) diam 0.47*mhsf at L.start
- move to C
- spline from rvec_(0,0.047*mhsf) \
- to rvec_(1.65*mhsf,0.11*mhsf) \
- then to rvec_(`$1',0.018*mhsf) \
- then to rvec_(`$1',-0.018*mhsf) \
- then to rvec_(1.65*mhsf,-0.11*mhsf) \
- then to rvec_(0,-0.047*mhsf) \
- shaded rgbstring(0,0,0)
- ]')
-
-# `AntiqueHourHand(length,hr,min,sec)'
-define(`AntiqueHourHand',`[ hhsf = (`$1')/2.2
- L: rpoint_(to (Rect_(`$1',hms2deg(`$2',`$3',`$4'))))
- C: circle fill_(0) diam 0.6*hhsf at L.start
- move to C
- v = 0.25*hhsf
- { line to rvec_(1.1*hhsf,0) thick 0.15/(1bp__)*hhsf }
- C1: rvec_(1.25*hhsf,0)
- d = `$1'-1.25*hhsf
- q = 1bp__*hhsf
- r1 = (d^2 + q^2 - v^2)/(v-q)/2
- tang = atan2((r1+q),d)
- for i=0 to 3 do {
- X[i]: C1+vec_(rect_(v, pi_+i/3*( tang-pi_)))
- Y[i]: C1+vec_(rect_(v,-pi_+i/3*(-tang+pi_)))
- }
- n = 3
- for i=1 to 4 do { aa = -pi_+tang + i/4*(pi_/2-tang)
- XX: (d,r1+q)+(rect_(r1,aa))
- n+=1;
- X[n]: C1+vec_(XX.x, XX.y)
- Y[n]: C1+vec_(XX.x,-XX.y)
- }
- m = n
- for i= 0 to m do { n+=1; X[n]: Y[m-i] }
- fitcurve(X,n,shaded rgbstring(0,0,0))
- ]')
-
-define(`AntiqueClock',`[ # h,m,s,diam
-# Clock size parameters:
- hour = ifelse(`$1',,3,`$1')
- minute = ifelse(`$2',,41,`$2')
- second = ifelse(`$3',,51,`$3')
- # outer radius
- ifelse(`$4',,`skale=0.5; r1=2',`r1=(`$4')/2; skale=r1/4')
- r2 = r1 - 0.5*skale
- r3 = r2 - 0.14*skale
- r4 = r3 - 0.35*skale
- r5 = r4 - 0.17*skale
- r6 = r5 - 0.63*skale
- r7 = r6 - 0.17*skale
- shadelinethick = 1.0
-
-C: circle thick 0.2 rad r1
-
-define shadeline {
- s = 1-($`'1)*2
- v = r*s
- h = sqrt(r^2-v^2)
- t = 1-abs(s)
- line from (vrot_(-h,v,cost,sint)) to (vrot_(h,v,cost,sint)) \
- thick shadelinethick outlined rgbstring(t,t,t)
- }
-
- r = r1 # Bezel outer
- nlines = int(2*r/(shadelinethick pt__)*1.1)
- cost = cosd(10); sint = sind(10);
- ShadeObject(shadeline,nlines, 0, 0,0,0, 0.5, 1,1,1, 1, 0,0,0 ) at C
-
- r = r2 # Bezel inner
- nlines = int(2*r/(shadelinethick pt__)*1.1)
- cost = cosd(-10); sint = sind(-10);
- ShadeObject(shadeline,nlines, 0, 0,0,0, 0.25, 0.8,0.8,0.8, 0.5, 1,1,1,
- 0.75, 0.8,0.8,0.8, 1, 0,0,0 ) at C
-
-# Clock face
-Face: circle thick 0 fill_(1) rad r3 at C
- circle rad r4 at C
- circle rad r5 at C
- circle rad r6 at C
- circle rad r7 at C
-# Ad hoc shift of rotated SVG text
- define adj { (-cosd($`'1)*textht*0.5*sign(180-($`'1)),\
- (0.25+0.25*cosd(2*($`'1)))*textht) }
-# Outer numbers
- textht = (r3-r4)*0.6
- for mn = -15 to 15 by 5 do { t = 90-mn/60*360
- R:(Rect_((r3+r4)/2,t))
- svg_rot(-mn/60*360,sprintf("%g",pmod(mn,60)) at C+R+adj(t))
- }
- for mn = 20 to 40 by 5 do { t = 450-mn/60*360
- R: (Rect_((r3+r4)/2,t))
- svg_rot(180-mn/60*360, sprintf("%g",pmod(mn,60)) at C+R+adj(t))
- }
-# Outer tics
- for mn = 1 to 60 do { t = 90-mn/60*360
- line from C+(Rect_(r5,t)) to C+(Rect_(r4,t)) }
-
-# Inner numbers
- textht = (r5-r6)*0.6
- Loopover_(`mx',`tt = 90-(m4Lx-4)/12*360
- R: (Rect_((r5+r6)/2,tt))
- svg_rot(tt-90, "mx" at C+R+adj(tt)) ',
- IX,X,XI,XII,I,II,III)
- Loopover_(`mx',`tt = 360-m4Lx*30
- R: (Rect_((r5+r6)/2,tt))
- svg_rot(tt-270, "mx" at C+R+adj(tt)) ',
- IV,V,VI,VII,VIII)
-
-# Inner tics
- for mn = 5 to 60 by 5 do { t = 90-mn/60*360
- line from C+(Rect_(r7,t)) to C+(Rect_(r6,t)) }
-
-# Hands
- AntiqueHourHand(r6,hour,minute,second) with .C at C
- AntiqueMinuteHand(r5,hour,minute,second) with .C at C
- SecondHand((r3+r4)/2,hour,minute,second) with .C at C
-
-# Center
- dot(at C,0.1/4*r1,1)
- ]')
-
- Clock1: AntiqueClock(,,,3.5)
-# Clock2: AntiqueClock(4,48,07,2) at Clock1.e+(1.5,0)
-
- command "</g>" # end font
-.PE