gnuplot-5.4.1/demo/pm3d.dem

1 # demo for pm3d splotting
3 # This demo can be directly used if your default terminal supports pm3d,
8 #	load 'pm3d.dem'
15 #	- 31. 1. 2002 pm: removed pm3d/demo and stand-alone pm3d.dem in demo/
19 # 	- 03. 3. 2000 joze: updated to show new pm3d features
20 #	- 15. 6. 1999 pm: update for `set pm3d`+`set palette`
21 # 	- 29. 4. 1999 pm: the 1st version, directory pm3d/demo
24 # print "WARNING:  This demo works only on terminals supporting pm3d, i.e. on "
38 set title "pm3d demo. Radial sinc function. Default options."
39 set pm3d; set palette
40 #show pm3d
45 set title "pm3d at s (surface) / ticslevel 0"
47 set pm3d at s
52 set title "pm3d at b (bottom)"
53 set pm3d at b
57 set title "unset surface; set pm3d at st (surface and top)"
59 set pm3d at st
65 set title "set pm3d at bstbst (funny combination, only for screen or postscript)"
67 set pm3d at bstbst
73 set pm3d at b
84 set title "colour map, using default rgbformulae 7,5,15 ... traditional pm3d (black-blue-red-yellow…
122 set title "set pm3d scansforward: wrong, because back overwrites front"
123 set pm3d
129 set pm3d at s scansforward
133 set title "set pm3d scansbackward: correctly looking surface"
136 set pm3d scansbackward
144 set pm3d
153 # draw the surface using pm3d's depth sorting with line type 100
157 set title "set pm3d depthorder border lc 'black' lw 1"
159 set pm3d
161 set pm3d depthorder border lc 'black' lw 1
167 set pm3d
175 set pm3d at st
191 set pm3d
192 set pm3d at s
216 set pm3d
234 set pm3d flush begin
235 set title "Datafile with different nb of points in scans; pm3d flush begin"
236 set pm3d flush begin noftriangles scansforward
241 set title "Datafile with different nb of points in scans; pm3d flush center"
242 set pm3d flush center scansforward
246 set title "Datafile with different nb of points in scans; pm3d flush end"
247 set pm3d flush end scansforward
253 set pm3d flush begin
254 set title "Data with different nb of points in scans; pm3d ftriangles flush begin"
255 set pm3d flush begin ftriangles scansforward
257 #show pm3d
260 set title "Data with different nb of points in scans; pm3d ftriangles flush center"
261 set pm3d flush center ftriangles scansforward
265 set title "Data with different nb of points in scans; pm3d ftriangles flush end"
266 set pm3d flush end ftriangles scansforward
270 set title "Using interpolation with datafile; pm3d interpolate 2,1"
271 set pm3d flush begin noftriangles scansforward interpolate 2,1
275 set title "Using interpolation with datafile; pm3d ftriangles interpolate 10,1"
276 set pm3d flush begin ftriangles scansforward interpolate 10,1
280 set title "Using interpolation with datafile; pm3d at s ftriangles interpolate 10,1"
281 set pm3d flush begin ftriangles scansforward at s interpolate 10,1
298 set pm3d at s; set palette gray
319 unset pm3d
339 set title "pm3d explicit mode --- coloring according to the 4th parameter of 'using'"
342 set pm3d at s explicit
344 #	'binary2' binary u 1:2:(column(3)+column(-1)/20.0):3 w pm3d,
347 	'binary2' binary u 1:2:3:($2+($1+$2)/10) w pm3d, \
355     'binary2' binary u (-12 + column(3) * 10):2:1:(-12 + column(3) * 10) notitle w pm3d, \
356     'binary2' binary u 1:2:(column(3) * 10 - 12) notitle w pm3d
362 print "Plot by pm3d algorithm draws quadrangles filled with color calculated from"
367 set pm3d at b
369 set style func pm3d
384 #set pm3d corners2color median
385 #set pm3d corners2color geomean
387 set multiplot title "set pm3d corners2color mode"
394 set pm3d corners2color c1
399 set pm3d corners2color c2
404 set pm3d corners2color c3
409 set pm3d corners2color c4
414 set pm3d corners2color mean
419 set pm3d corners2color geomean
424 set pm3d corners2color median
429 set pm3d corners2color harmean
434 unset pm3d
446 print "End of pm3d demo."