summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/latex/circuit-macros/examples/extras/Views.m4
blob: c02c9a4817273546a309388d9d4f73534c78e1ad (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
.PS
# Views.m4
threeD_init

sinclude(Lettering.m4def)
sinclude(../Lettering.m4def)
Letter_init

define(`textwidth',5.5)

`# Perspective transformations
#        mult4( matrix, vector, vector )
 define mult4 { for i=1 to 4 do {
                   $3[i] = 0
                   for j=1 to 4 do { $3[i] = $3[i] + $1[(j-1)*4+i]*$2[j] }}}
#        eye4 make unit matrix
 define eye4 { for i=1 to 4 do { for j=1 to 4 do { $1[(j-1)*4+i] = 0 }}}
#        rotx4( theta, vector, vector )
 define rotx4 { $3[1] = $2[1]
                 $3[2] = cos($1)*$2[2]-sin($1)*$2[3]
                 $3[3] = sin($1)*$2[2]+cos($1)*$2[3]
                 $3[4] = $2[4] }
#        roty4( theta, vector, vector )
 define roty4 { $3[1] = cos($1)*$2[1]-sin($1)*$2[3]
                 $3[2] = $2[2]
                 $3[3] = sin($1)*$2[1]+cos($1)*$2[3]
                 $3[4] = $2[4] }
#        rotz4( theta, vector, vector )
 define rotz4 { $3[1] = cos($1)*$2[1]-sin($1)*$2[2]
                 $3[2] = sin($1)*$2[1]+cos($1)*$2[2]
                 $3[3] = $2[3]
                 $3[4] = $2[4] }
#        add4( vector, vector, vector )
 define add4 {
    if (($1[4]==0) && ($2[4]==0)) then {
           for i=1 to 4 do { $3[i] = $1[i]+$2[i] } } \
    else { if $1[4]==0 then { for i=1 to 4 do { $3[i] = $1[i] } } \
    else { if $2[4]==0 then { for i=1 to 4 do { $3[i] = $2[i] } } \
    else { for i=1 to 3 do { $3[i] = $1[i]/$1[4]+$2[i]/$2[4] }; $3[4] = 1 }
    } } }

#        vec4( x,y,z, vector )
 define vec4  { $4[1] = $1; $4[2] = $2; $4[3] = $3; $4[4] = 1 }
#        copy4( vector, vector )
 define copy4 { $2[1] = $1[1]; $2[2] = $1[2]; $2[3] = $1[3]; $2[4] = $1[4] }
#        pr4( vector, label )
 define pr4 { if $1[4]==0 then { print "Divide by zero" } \
               else { $2: pr($1[1]/$1[4],$1[2]/$1[4],$1[3]/$1[4]) }}

 define print4 { print sprintf("%g,%g,%g,%g",$1[1],$1[2],$1[3],$1[4]) }
'
# Basic dimensions
  u = 1*27/28.7*0.7 ifdef(`xsnotes',`*1.14')
  a = 2*u
  b = 1*u
  c = 1.2*u
  d = c*1/2
  e = c/3
  f = u*1/4
  r = c/3

  visibleth = 1.2
  dimensionth = 0.4
  hiddenth = dimensionth
  linethick_(visibleth)

#   Iso diagram viewing angle
dazim = 45
delev = -30
setview(dazim,delev)

define(`pr',`(project(`$3',`$1',`$2'))')
define(`xpnd',$1)

  define(`X0', `0,0,0')
  define(`X1', `0,b,0')
  define(`X2', `a,b,0')
  define(`X3', `a,0,0')
  define(`X4', `0,0,c')
  define(`X5', `0,b,c')
  define(`X6', `a,b,c')
  define(`X7', `a,0,c')
  define(`X8', `-e,0,c/2-f/2')
  define(`X9', `-e,d,c/2-f/2')
  define(`X10',`0,d,c/2-f/2')
  define(`X11',`0,0,c/2-f/2')
  define(`X12',`-e,0,c/2+f/2')
  define(`X13',`-e,d,c/2+f/2')
  define(`X14',`0,d,c/2+f/2')
  define(`X15',`0,0,c/2+f/2')
  define(`X16',`0,b*1.25,c')
  define(`X17',`a/4,b*1.25,c')
  define(`X18',`a/4,b,c')
  define(`X19',`0,b,c/2')
  define(`X20',`a/4,b,c/2')
  define(`xn',20)

  define(`ncirc',18)
  dt = 360/ncirc
  tx = a*2/3; ty = b; tz = c/2
  define(`TR',`tx,ty,tz')

define(`loopX',`ifelse(eval(`$1'>=0),1,
  `define(`X'eval(`$1'+xn+1),`tx+r*cosd(`$1'*dt),ty,tz+r*sind(`$1'*dt)')
  loopX(eval($1-1))')')

  loopX(ncirc)

define(`loopTT',`ifelse(eval(`$1'>=0),1,
 `TT[`$1']: ifelse(`$3',0,`pr(X$2)',`Y$2')
  loopTT(eval(`$1'-1),eval(`$2'-1),`$3')')')

define(`drawobj',`
  line from pr(xpnd(`$1'0)) to pr(xpnd(`$1'1)) to pr(xpnd(`$1'2))
  line to pr(xpnd(`$1'3)) to pr(xpnd(`$1'0))
  line from pr(xpnd(`$1'0)) to pr(xpnd(`$1'11)) to pr(xpnd(`$1'8)) \
    to pr(xpnd(`$1'12)) to pr(xpnd(`$1'13))
  line to pr(xpnd(`$1'9)) to pr(xpnd(`$1'8))
  line from pr(xpnd(`$1'13)) to pr(xpnd(`$1'14)) to pr(xpnd(`$1'10))
  line to pr(xpnd(`$1'9))
  line from pr(xpnd(`$1'10)) to pr(xpnd(`$1'11))
  ifelse(`$2',0,
   `shade(0.92,line width 0 from pr(xpnd(`$1'1)) to pr(xpnd(`$1'5)) \
      to pr(xpnd(`$1'6)) to pr(xpnd(`$1'2)) to pr(xpnd(`$1'1)))
    perspective(X1,Z)
    ellipse fill_(0.7) ht 2*r*tmx[2]/tmx[4]/b wid 2*r at pr(TR)
    shade(1,line width 0 from pr(xpnd(`$1'19)) to pr(xpnd(`$1'16)) \
      to pr(xpnd(`$1'17)) to pr(xpnd(`$1'20)) to pr(xpnd(`$1'19)))
    shade(0.7,line width 0 from pr(xpnd(`$1'0)) to pr(xpnd(`$1'1)) \
      to pr(xpnd(`$1'2)) to pr(xpnd(`$1'3)) to pr(xpnd(`$1'0)))
    shade(0.6,line width 0 from pr(xpnd(`$1'0)) to pr(xpnd(`$1'1)) \
      to pr(xpnd(`$1'19)) to pr(xpnd(`$1'16)) to pr(xpnd(`$1'4)) \
      to pr(xpnd(`$1'0)))
    shade(0.9,line width 0 from pr(xpnd(`$1'13)) to pr(xpnd(`$1'14)) \
      to pr(xpnd(`$1'10)) to pr(xpnd(`$1'9)) to pr(xpnd(`$1'13)))
    shade(0.7,line width 0 from pr(xpnd(`$1'8)) to pr(xpnd(`$1'9)) \
      to pr(xpnd(`$1'10)) to pr(xpnd(`$1'11)) to pr(xpnd(`$1'8)))
    shade(0.6,line width 0 from pr(xpnd(`$1'8)) to pr(xpnd(`$1'9)) \
      to pr(xpnd(`$1'13)) to pr(xpnd(`$1'12)) to pr(xpnd(`$1'8)))
    A: line invis from pr(xpnd(`$1'4)) to pr(xpnd(`$1'0))
    B: line invis from pr(xpnd(`$1'12)) to pr(xpnd(`$1'13))
    line from Intersect_(A,B) to pr(xpnd(`$1'4))
    line from pr(xpnd(`$1'4)) to pr(xpnd(`$1'16))',

   `A: line invis from pr(xpnd(`$1'4)) to pr(xpnd(`$1'16))
    B: line invis from pr(xpnd(`$1'14)) to pr(xpnd(`$1'13))
    line from Intersect_(A,B) to pr(xpnd(`$1'16))
    line thick dimensionth from pr(xpnd(`$1'2)) to -0.5 between \
       pr(xpnd(`$1'2)) and pr(xpnd(`$1'1)) chop 0.05
    line thick dimensionth from pr(xpnd(`$1'3)) to -0.5 between \
       pr(xpnd(`$1'3)) and pr(xpnd(`$1'0)) chop 0.05
    line thick dimensionth from pr(xpnd(`$1'5)) to -1.0 between \
       pr(xpnd(`$1'5)) and pr(xpnd(`$1'1)) chop 0.05
    line thick dimensionth from pr(xpnd(`$1'4)) to -1.0 between \
       pr(xpnd(`$1'4)) and pr(xpnd(`$1'0)) chop .1 chop 0.05
    loopTT(ncirc,eval(xn+ncirc+1),`$2')
    fitcurve(TT,ncirc)
    ')
  line from pr(xpnd(`$1'16)) to pr(xpnd(`$1'19)) \
    to pr(xpnd(`$1'20)) to pr(xpnd(`$1'17)) to pr(xpnd(`$1'16))
  line from pr(xpnd(`$1'19)) to pr(xpnd(`$1'1))
  A: line invis from pr(xpnd(`$1'5)) to pr(xpnd(`$1'6))
  B: line invis from pr(xpnd(`$1'17)) to pr(xpnd(`$1'20))
  line from Intersect_(A,B) to pr(xpnd(`$1'6))
  line from pr(xpnd(`$1'6)) to pr(xpnd(`$1'2))
  ')

  dp = 1.0*a
  s4f = 1.6
  fth = 180*dtor_

#        perspective(x,y,z,position)
`define perspective {
   vec4($3,$1,$2,tmp)
   roty4(180*dtor_,tmp,tmx)
   rotz4(90*dtor_,tmx,tmp)
   rotx4(-90*dtor_,tmp,tmx)
   roty4(-45*dtor_,tmx,tmp)
   tmp[4] = tmp[3]/dp+tmp[4]
   rotx4(55*dtor_,tmp,tmx)
   $4: (tmx[1]/tmx[4],tmx[2]/tmx[4])
   }
'
lu = 0.1/6 * 0.8

#        Handle forward referencing of lettering guide line lengths
  nguides = 0
  sh "touch Views.dms"
  for i=1 to 10 do { w[i] = 1 }
  copy "Views.dms"
  sh "rm -f Views.dms"

define(`guideletter',`[ nguides += 1
  line thick grthick from (0,0) right w[nguides]*lu outlined "lightgridgray"
  line thick grthick from (0,-6*lu) right w[nguides]*lu outlined "lightgridgray"
  T: $1 with .nw at (0,0)
  print sprintf("w[%g]=%g",nguides,T.wid/lu) >> "Views.dms"
]')

define(`pfront',`(`$1',`$2')')
define(`ptop',`(`$1',`$3')')
define(`pside',`(-(`$3'),`$2')')
  sep = 0.6*u
define(`centreline',`rpoint_(ifelse(`$1',,`to rvec_(linewid,0)',`$1'))
  line thick dimensionth to rvec_(rp_len/2-.08,0)
  move to rvec_(.03,0)
  line thick dimensionth to rvec_(.1,0)
  move to rvec_(.03,0)
  line thick dimensionth to rvec_(rp_len/2-.08,0)')

Orthographics: [
Top: [
  line from ptop(X1) to ptop(X5) to ptop(X6) to ptop(X2) to ptop(X1)
  line from ptop(X17) to ptop(X20) to ptop(X19)
  line from ptop(X10) to ptop(X9) to ptop(X13) to ptop(X14)
  circle rad r at ptop(TR)
  centreline(from ptop(TR)+(0,r) down 2*r chop -.1)
  centreline(from ptop(TR)+(-r,0) right 2*r chop -.1)
  W: ptop(X9)
  E: ptop(X2)
  ]
Front: [
  line from pfront(X0) to pfront(X1) to pfront(X2) to pfront(X3) to pfront(X0)
  line from pfront(X0) to pfront(X8) to pfront(X9) to pfront(X10)
  line from pfront(X19) to pfront(X16) to pfront(X17) to pfront(X20)
  line thick hiddenth dashed from pfront(TR)+(-r,0) down b
  line thick hiddenth dashed from pfront(TR)+( r,0) down b
  centreline(from pfront(TR) down b chop -.1)
  W: pfront(X9)
  E: pfront(X2)
  N: pfront(X16)
  S: pfront(X8)
  ] with .nw at Top.sw+(0,-sep)

Side: [
  line from pside(X0) to pside(X4) to pside(X16) to pside(X19) to pside(X1) \
    to pside(X0) to pside(X4)
  line from pside(X12) to pside(X13) to pside(X9) to pside(X8)
  line thick hiddenth dashed from pside(X5) to pside(X19)
  line thick hiddenth dashed from pside(TR)+(-r,0) down b
  line thick hiddenth dashed from pside(TR)+( r,0) down b
  centreline(from pside(TR) down b chop -.1)
  N: pside(X16)
  S: pside(X0)
  ] with .ne at Front.nw+(-sep,0)

if 1 then {
  linethick_(0.8)
  guideletter([Letters(`F R O N T8V I5E1W')]) with .n at Front.s+(0,-.05)
  guideletter([Letters(`S4I5D4E8V I5E1W')]) with .n at Side.s+(0,-.05)
  guideletter([Letters(`T O4P8V I5E1W')]) with .n at Top.s+(0,-.10)
  linethick_(visibleth)
}

  line thick dimensionth from Side.N to Front.N chop 0.05
  line thick dimensionth from Side.S to Front.S chop 0.05
  line thick dimensionth from Top.W to Front.W chop 0.05
  line thick dimensionth from Top.E to Front.E chop 0.05

 ] # End Orthographics

define(`looppersp',`ifelse(eval(`$1'>=0),1,`perspective(xpnd(X`$1'),Z`$1')
  Y`$1': (cos(fth)*Z`$1'.x-sin(fth)*Z`$1'.y,\
          sin(fth)*Z`$1'.x+cos(fth)*Z`$1'.y)*s4f
  looppersp(eval($1-1))')')

if 1 then {
Perspective: [
  pushdef(`pr',`$1')
  right_
    looppersp(eval(xn+ncirc+1))
    drawobj(Y,1)
  popdef(`pr')
# ] with .sw at Isometric.ne+(-3.5*sep,0)
  ] with .se at Orthographics.sw+(-1.5*sep,0)

  linethick_(0.8)
  guideletter([[Letters(T2W O)]; move right lu; line right 4*lu; move right lu
   [Letters(P O4I5N T8P E R S P E C T I V E)]])\
   with .w at Perspective.s+(.2*u,0)
  linethick_(visibleth)
}

if 1 then {
# Pictorials:
Isometric: [
  drawobj(X,0)
# command "{\small"
# define(`loopprt',`ifelse(eval(`$1'>=0),1,`"`$1'" at pr(X$1)
#   loopprt(eval($1-1))')')
# loopprt(xn)
# for i=0 to ncirc do { sprintf("%g",i) at TT[i] }
# command "}%"
#] with .sw at (Orthographics.e+(-textwidth,0),Orthographics.Side.sw+(0,0.1))
#] at Orthographics.nw
 ] with .s at Perspective.n+(0,0.2)

  linethick_(0.8)
  guideletter([Letters(`S4H2A2D E D8I S O M5E2T2R5I C8V I5E1W')])\
    with .w at Isometric.s+(.2*u,0) #(0,-.2)
  linethick_(visibleth)
}

.PE