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%!PS-Adobe-2.0
%%DocumentFonts: Times-Roman
%%Creator: Axiom
%%CreationDate: today
%%Pages: 1
%%processing (hard) limit: 250 pts or 500 values for the operand stack.
%%EndComments
%------------------------------- prologue -------------------------------%
%-------------------------- support procedures --------------------------%
%--------- first create user dictionary with 100 entries max ------------%
% (number can be changed to accomodate definitions) %
100 dict begin %% using 100 entries in top level dictionary
/FontHeight 12 def
/inch
{ 72 mul }
def
% yVal and hVal are necessary because the Xwindow display origin
% is at the upper left corner, while the postscript display
% origin is at the lower left hand corner.
/yVal %% get Y value -- make upper left corner origin
{ maxY sub abs } %% maxY is viewWindow height
def
/hVal %% get H value -- used for displaying title text
{ maxH sub abs } %% maxH is viewWindow height+titleWindow height
def
% loads in the font
/loadFont
{ /Times-Roman findfont FontHeight scalefont setfont }
def
% draws a rectangle with input operand:
% height
% width
% notice that this function does not "draw" or ink the rectangle.
/drawRect
{ 1 index 1 add 0 rlineto %% draw first side
0 exch 1 add neg rlineto %% draw second side
1 add neg 0 rlineto %% draw third side
closepath } %% draw fourth side
def
% create a rectangle with input operand in the view window:
% y
% x
% height
% width
% notice that this function does not "draw" or ink the rectangle.
/rectangle
{ yVal moveto %% set currentpoint for line
drawRect } %% draws the rectangle
def
% These are global variables that every draw procedure uses
% THe operand should be as follows:
% viewWindow width
% viewWindow height
% title height
/setDim
{ /maxX exch def %% width of display
/maxY exch def %% height of display
/titleH exch def %% height of title
/maxH maxY titleH add def %% height of display + title
} def
%-------------------------- major procedures --------------------------%
/title %% draws a rectangle around the title of picture
{ gsave
newpath
moveto %% lower left of title
titleH 1 add 0 exch rlineto %% draw first side
1 add 0 rlineto %% draw second side
1 add neg 0 exch rlineto
begin installGC stroke end %% draw third side
grestore }
def
/drawFrame %% draw display frame
{ gsave
newpath
maxX maxY 0 0 rectangle
begin installGC stroke end
grestore }
def
% updates the foreground color of existing graphics-context dictionary:
% foreground color
% dictionary name
/setForeground
{ /FGcolor exch put }
def
% updates the background color of existing graphics-context dictionary:
% background color
% dictionary name
/setBackground
{ /BGcolor exch put }
def
% updates the line width, line style, cap style, join style of
% existing graphics-context dictionary:
% dictionary name
% join style
% cap style
% line width
/setLineAttributes
{ begin
/JoinStyle exch def
/CapStyle exch def
/LineWidth exch def
end }
def
% creates a graphics context dictionary with the following information:
% /dictionary name
% foreground color
% background color
% line width
% cap style
% join style
% this creates different graphical contexts for different drawing functions.
/makeDict
{ 5 dict 2 copy def begin pop %% with dict name on top of stack
/FGcolor exch def %% define drawing attributes
/BGcolor exch def %% not heavily used
/LineWidth exch def
/CapStyle exch def
/JoinStyle exch def
end }
def
% makes the current dictionary attributes effective
% this function takes the values in the current dictionary to set the context
% these are the values currently being used: foreground, cap, join, and width
/installGC
{
FGcolor currentgray ne
{FGcolor setgray} if %% foreground color
CapStyle currentlinecap ne
{CapStyle setlinecap} if %% cap style
JoinStyle currentlinejoin ne
{JoinStyle setlinejoin} if %% join style
LineWidth currentlinewidth ne
{LineWidth setlinewidth} if } %% line width
def
% operand stack configuration in order to use psDrawLine:
% psDrawLine
% y0
% x0
% y1
% x1
% graphics-context dictionary
% this draws a line from (x0, y0) to (x1, y1).
/psDrawLine
{ gsave
newpath
yVal moveto
yVal lineto
begin installGC stroke end
grestore }
def
% operand stack configuration in order to use psDrawLines:
% psDrawLines
% points[0].y
% points[0].x
% n
% ...
% points[n].y
% points[n].x
% graphics-context dictionary
% this draws lines connecting all the points.
/psDrawLines
{ gsave
newpath
yVal moveto
1 sub {
yVal lineto
} repeat
begin installGC stroke end
grestore }
def
% operand stack configuration in order to use psDrawStr:
% psDrawStr
% y
% x
% string
% graphics-context dictionary
% this function draws a text string at (x,y).
/psDrawStr
{ gsave
newpath
loadFont
yVal moveto
exch begin installGC show end
grestore }
def
%-------------------------- script --------------------------%
% 1 inch 1 inch translate
mark %% mark bottom of our stack
0 0 1
1072693248 0 /globalGC1 makeDict
0 0 1
1072693248 0 /globalGC2 makeDict
0 0 1
1072693248 0 /trashGC makeDict
0 0 1
1072693248 0 /componentGC makeDict
0 0 1
1072693248 0 /opaqueGC makeDict
0 0 1
1072693248 0 /renderGC makeDict
0 0 1
1072693248 0 /globGC makeDict
0 0 1
1072693248 0 /anotherGC makeDict
1 0 1
1072693248 0 /renderGC makeDict
gsave % save graphics state for clipping path
1.000000 1.000000 scale
24 276 300 setDim
maxX maxY 0 0 rectangle clip % set clip path
globalGC1 0.000000 setForeground
globGC 0.000000 setForeground
globalGC1 12 196 287 196 psDrawLine
globGC (X) 7 201 psDrawStr
globalGC1 106.000000 setForeground
globGC 106.000000 setForeground
globalGC1 0.000000 setForeground
globGC 0.000000 setForeground
globalGC1 150 212 150 186 psDrawLine
globGC (Y) 155 217 psDrawStr
globalGC1 106.000000 setForeground
globGC 106.000000 setForeground
globalGC1 0.000000 setForeground
globGC 0.000000 setForeground
globalGC1 150 59 150 334 psDrawLine
globGC (Z) 155 54 psDrawStr
globalGC1 106.000000 setForeground
globGC 106.000000 setForeground
1 0 0 componentGC setLineAttributes
componentGC 0.000000 setForeground
componentGC
32 79
40 95
49 111
58 125
67 138
75 150
84 160
93 169
102 177
110 183
119 189
128 192
136 195
145 196
154 196
163 195
171 192
180 189
189 183
197 177
206 169
215 160
224 150
232 138
241 125
250 111
259 95
28 267 79 psDrawLines
componentGC
6 66
16 86
27 105
38 122
48 138
59 153
70 165
80 176
91 186
102 194
112 200
123 205
134 208
144 209
155 209
165 208
176 205
187 200
197 194
208 186
219 176
229 165
240 153
251 138
261 122
272 105
283 86
28 293 66 psDrawLines
componentGC
293 66
2 267 79 psDrawLines
componentGC
283 86
2 259 95 psDrawLines
componentGC
272 105
2 250 111 psDrawLines
componentGC
261 122
2 241 125 psDrawLines
componentGC
251 138
2 232 138 psDrawLines
componentGC
240 153
2 224 150 psDrawLines
componentGC
229 165
2 215 160 psDrawLines
componentGC
219 176
2 206 169 psDrawLines
componentGC
208 186
2 197 177 psDrawLines
componentGC
197 194
2 189 183 psDrawLines
componentGC
187 200
2 180 189 psDrawLines
componentGC
176 205
2 171 192 psDrawLines
componentGC
165 208
2 163 195 psDrawLines
componentGC
155 209
2 154 196 psDrawLines
componentGC
144 209
2 145 196 psDrawLines
componentGC
134 208
2 136 195 psDrawLines
componentGC
123 205
2 128 192 psDrawLines
componentGC
112 200
2 119 189 psDrawLines
componentGC
102 194
2 110 183 psDrawLines
componentGC
91 186
2 102 177 psDrawLines
componentGC
80 176
2 93 169 psDrawLines
componentGC
70 165
2 84 160 psDrawLines
componentGC
59 153
2 75 150 psDrawLines
componentGC
48 138
2 67 138 psDrawLines
componentGC
38 122
2 58 125 psDrawLines
componentGC
27 105
2 49 111 psDrawLines
componentGC
16 86
2 40 95 psDrawLines
componentGC
6 66
2 32 79 psDrawLines
grestore % restore graphics state
cleartomark %% clearing operand stack
end %% pops mainDict from dictionary stack
showpage
%-------------------------- end --------------------------%
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