Subversion Repositories wimsdev

!if  $wims_read_parm!=slib_header

 !goto proc

!endif

slib_title=Graphic paper sheet with function plot and red correct plot preloaded

slib_parms=12\

8,x_dimension (cm) \

8,y_dimension (cm) \

1,x_orig (cm) \

1,y_orig (cm) \

1,x_step (delta x for 1 cm on the paper or max value for x and optional label ) \

1,y_step (delta y for 1 cm on the paper or max value for y and optional label) \

[240,233,255],background color \

[255,220,180],lines color \

[10,10,10],dots color \

void, function f(x) or [x(t), y(t)] to be plotted \

[], list of dots enclosed in brackets (the correct plot)\

void,list of dots (an even count of coordinates : x1,y1,x2,y2,etc.)

slib_author=Georges KHAZNADAR

slib_out=Source for insdraw-ing a graph paper with the dots on it

slib_comment=if color are three numbers, \

put them in brackets ; there may be no dots.<br>\

See the other syntaxes in the slib graphpaper/millimetre

slib_example= ,,,,,,,,,sin(x),[],0,0,1.2,1.5,2.4,3.2\

12,8,0,0,1 max t (ms),1 max U (V),blue,red,[255,128,128],sin(x),[0,0,1.3,1.4,2.5,3],0,0,1.2,1.5,2.4,3.2 \

,,,,,,,,,[cos(6.28*t),sin(6.28*t)],[],0,0,1.2,1.5,2.4,3.2

!exit

:proc

!reset slib_xd, slib_yd, slib_bg, slib_lc, slib_dc, slib_point, slib_xo, slib_yo, slib_xs, slib_ys, slib_correct slib_f, slib_labx, slib_laby, slib_maxx, slib_maxy

slib_parm=!item 1 to 11 of $wims_read_parm

!distribute item $slib_parm into slib_xd, slib_yd, slib_xo, slib_yo, slib_xs, slib_ys, slib_bg, slib_lc, slib_dc, slib_f, slib_correct

slib_point=!item 12 to -1 of $wims_read_parm

!default slib_xd=8

!default slib_yd=8

!default slib_xo=1

!default slib_yo=1

!default slib_xs=1

!default slib_ys=1

!default slib_correct=[]

slib_f = !declosing $slib_f

slib_labx=!word 2 to -1 of $slib_xs

slib_laby=!word 2 to -1 of $slib_ys

slib_xs=!word 1 of $slib_xs

slib_ys=!word 1 of $slib_ys

slib_maxx=!word 1 of $slib_labx

!if $slib_maxx = max

  slib_labx = !word 2 to -1 of $slib_labx

  !! we need to compute the X step slib_xs, given the values

  !! of the total width slib_xd, abscissa of origin slib_xo

  !! and knowing that slib_xs currently means a maximum value.

  !! slib_xd-slib_xo must be be sufficient to display ticks greater

  !! than the current value of slib_xs, the tick step being a multiple

  !! of 1, 2 or 5.

  slib_log=$[log10($slib_xs/($slib_xd-$slib_xo))]

  slib_logint=$[floor($slib_log)]

  slib_logmant=$[$slib_log-$slib_logint]

  !if $slib_logmant > $[log10(5)]

     slib_xs=1e$[$slib_logint+1]

  !else

    !if $slib_logmant > $[log10(2)]

      slib_xs=5e$slib_logint

    !else

      slib_xs=2e$slib_logint

    !endif

  !endif

!else

  slib_maxx=$empty

!endif

slib_maxy=!word 1 of $slib_laby

!if $slib_maxy = max

  slib_laby = !word 2 to -1 of $slib_laby

  !! we need to compute the Y step slib_ys, given the values

  !! of the total height slib_yd, ordinate of origin slib_yo

  !! and knowing that slib_ys currently means a maximum value.

  !! slib_yd-slib_yo must be be sufficient to display ticks greater

  !! than the current value of slib_ys, the tick step being a multiple

  !! of 1, 2 or 5.

  slib_log=$[log10($slib_ys/($slib_yd-$slib_yo))]

  slib_logint=$[floor($slib_log)]

  slib_logmant=$[$slib_log-$slib_logint]

  !if $slib_logmant > $[log10(5)]

     slib_ys=1e$[$slib_logint+1]

  !else

    !if $slib_logmant > $[log10(2)]

      slib_ys=5e$slib_logint

    !else

      slib_ys=2e$slib_logint

    !endif

  !endif

!else

  slib_maxy=$empty

!endif

slib_dc=!declosing $slib_dc

slib_correct=!declosing $slib_correct

slib_point=!declosing $slib_point

slib_bg=!declosing $slib_bg

!default slib_bg=240,233,255

slib_lc=!declosing $slib_lc

!default slib_lc=255,220,180

slib_dc=!declosing $slib_dc

!default slib_dc=10,10,10

!!!!!!!!!!!!!!!!! begin grid !!!!!!!!!!!!!!!!!!!!!!!!!

slib_grey=128,128,128

slib_dessin = new 60*$slib_xd,60*$slib_yd\

xrange -0.5, 10*$slib_xd-0.5\

yrange -0.5, 10*$slib_yd-0.5\

fill 1,1,$slib_bg

!! traits fins tous les millimetres

slib_dessin=$slib_dessin\

linewidth 1\

parallel 0, 0, 0, 10*$slib_yd, 1, 0, 10*$slib_xd+1, $slib_lc\

parallel 0, 0, 10*$slib_xd, 0, 0, 1, 10*$slib_yd+1, $slib_lc

!! traits gros tous les centimetres

slib_dessin=$slib_dessin\

linewidth 3\

parallel 0, 0, 0, 10*$slib_yd, 10, 0, $slib_xd+1, $slib_lc\

parallel 0, 0, 10*$slib_xd, 0, 0, 10, $slib_yd+1, $slib_lc

!! axe_x

slib_dessin=$slib_dessin\

linewidth 3\

hline 0, $[10*$slib_yo], $slib_grey\

line $[10*$slib_xd-3],$[10*$slib_yo-1],$[10*$slib_xd-1],$[10*$slib_yo], $slib_grey\

line $[10*$slib_xd-3],$[10*$slib_yo+1],$[10*$slib_xd-1],$[10*$slib_yo], $slib_grey\

parallel 0,$[10*$slib_yo+1],0,$[10*$slib_yo-1], 10, 0, $slib_xd+1, $slib_grey

slib_val=$[-$slib_xo*$slib_xs]

slib_dessin=$slib_dessin\

linewidth 1

!for slib_x from 0 to  10*$slib_xd step 10

 slib_dessin=$slib_dessin\

 text blue,$[$slib_x+1],$[10*$slib_yo-1],medium,$slib_val

 slib_val=$[$slib_val+$slib_xs]

!next slib_x

!if $slib_labx != $empty

  slib_dessin=$slib_dessin\

  text blue,$[$slib_x-20],$[10*$slib_yo-6],medium,$slib_labx

!endif

!! axe_y

slib_dessin=$slib_dessin\

linewidth 3\

vline $[10*$slib_xo],0, $slib_grey\

line $[10*$slib_xo-1],$[10*$slib_yd-3],$[10*$slib_xo],$[10*$slib_yd-1], $slib_grey\

line $[10*$slib_xo+1],$[10*$slib_yd-3],$[10*$slib_xo],$[10*$slib_yd-1], $slib_grey\

parallel $[10*$slib_xo+1],0,$[10*$slib_xo-1], 0, 0, 10, $slib_yd+1, $slib_grey

slib_val=$[-$slib_yo*$slib_ys]

slib_dessin=$slib_dessin\

linewidth 1

!for slib_y from 0 to  10*$slib_yd step 10

 slib_dessin=$slib_dessin\

 text blue,$[10*$slib_xo+1],$[$slib_y-1],medium,$slib_val

 slib_val=$[$slib_val+$slib_ys]

!next slib_y

!if $slib_laby != $empty

  slib_dessin=$slib_dessin\

  text blue,$[10*$slib_xo-9],$[$slib_y-10],medium,$slib_laby

!endif

!!!!!!!!!!!!!!!!! end grid !!!!!!!!!!!!!!!!!!!!!!!!!

!! red dots : the correct list

n1=!itemcnt $slib_correct

!for i from 1 to $n1 step 2

!if $i < $n1

 slib_x=!item $i of $slib_correct

 slib_x=$[10*$slib_x/$slib_xs]

 slib_y=!item $[$i+1] of $slib_correct

 slib_y=$[10*$slib_y/$slib_ys]

 slib_x1=$[10*$slib_xo+$slib_x-0.6]

 slib_x2=$[10*$slib_xo+$slib_x+0.6]

 slib_y1=$[10*$slib_yo+$slib_y-0.6]

 slib_y2=$[10*$slib_yo+$slib_y+0.6]

 !! add one red dot

 slib_dessin=$slib_dessin\

 linewidth 2\

 line $slib_x1,$slib_y1,$slib_x2,$slib_y2,red\

 line $slib_x2,$slib_y1,$slib_x1,$slib_y2,red

!endif $i < $n1

!next i

!! the function : blue thin curve

slib_n = !itemcnt $slib_f

!if $slib_n = 1

  slib_f = !replace internal x by ($slib_xs/10*(x-10*$slib_xo)) in $slib_f

  slib_f = 10*($slib_f)/$slib_ys+10*$slib_yo

!else

  slib_x = !item 1 of $slib_f

  slib_y = !item 2 of $slib_f

  slib_x = 10*($slib_x/$slib_xs+$slib_xo)

  slib_y = 10*($slib_y/$slib_ys+$slib_yo)

  slib_f = $slib_x, $slib_y

!endif

slib_dessin=$slib_dessin\

plot blue, $slib_f

!! black dots

n2=!itemcnt $slib_point

!for i from 1 to $n2 step 2

!if $i < $n2

 slib_x=!item $i of $slib_point

 slib_x=$[10*$slib_x/$slib_xs]

 slib_y=!item $[$i+1] of $slib_point

 slib_y=$[10*$slib_y/$slib_ys]

 slib_x1=$[10*$slib_xo+$slib_x-0.6]

 slib_x2=$[10*$slib_xo+$slib_x+0.6]

 slib_y1=$[10*$slib_yo+$slib_y-0.6]

 slib_y2=$[10*$slib_yo+$slib_y+0.6]

 !! add one '$slib_dc' dot

 slib_dessin=$slib_dessin\

 linewidth 2\

 line $slib_x1,$slib_y1,$slib_x2,$slib_y2,$slib_dc\

 line $slib_x2,$slib_y1,$slib_x1,$slib_y2,$slib_dc

!endif $i < $n2

!next i

slib_out= $slib_dessin