User:Dtumpic

Graph Testing #1

This uses the gnuplot extension: http://meta.wikimedia.org/wiki/Gnuplot

<gnuplot>
set output 'func_approx.png'
 plot '-' using 1:2 t 'quadratic approximation' with linesp lt 1 lw 3, \
 '-' using 1:2 t 'cubic approximation' with linesp lt 2 lw 3
 1 2
 2 4
 3 8
 4 16
 e
 1 3
 2 9
 3 27
 4 81
 e
</gnuplot>

More Graph Testing #2

This uses the easy timeline extension: http://meta.wikimedia.org/wiki/EasyTimeline <timeline> ImageSize = width:800 height:100 PlotArea = width:720 height:75 left:65 bottom:20 AlignBars = justify

Colors =

 id:epoch  value:rgb(0.7,0.7,1) # light yellow
 id:period value:rgb(1,0.7,0.7) # light red
 id:age    value:rgb(0.7,1,0.7) # light green
 id:era    value:rgb(1,1,0.7)   # light blue
 id:eon    value:rgb(1,0.7,1)   # light purple
 id:black  value:black

Period = from:-4500 till:0 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:500 start:-4500 ScaleMinor = unit:year increment:100 start:-4500

Define $markred = text:"*" textcolor:red shift:(0,3) fontsize:10

PlotData=

 align:center textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)

 bar:eon color:eon

 at:      0   align:right  $markred
 at:   -545   align:left   $markred
 from: -545   till:    0   text:Phanerozoic
 from:-4500   till:    0   text:Precambrian

 bar:era color:era

 from:  -64.3 till:    0   text:C~z shift:(0,1.5)
 from: -251.1 till:  -64.3 text:Meso~zoic shift:(0,1.5)
 from: -545   till: -251.1 text:Paleo~zoic shift:(0,1.5)
 from:-4500   till: -545   text:Proterozoic

 bar:period color:period

 fontsize:6
 from:   -1.6 till:    0
 from:  -64.3 till:   -1.6
 from: -146   till:  -64.3
 from: -208   till: -146
 from: -251.1 till: -208
 from: -286   till: -251.1
 from: -360   till: -286
 from: -408.5 till: -360
 from: -443.5 till: -408.5
 from: -490   till: -443.5
 from: -545   till: -490

 fontsize:8
 from: -900   till:  -545  text:Neoprote-~rozoic shift:(0,1.8)
 from:-1600   till:  -900  text:Mesoproterozoic
 from:-2500   till: -1600  text:Paleoproterozoic
 from:-3800   till: -2500  text:Archaean
 from: start  till: -3800  text:Hadean

</timeline>