Chapter 14  Génération dynamique d'images

#!/bin/bash
gnuplot <<EOF
set term png color
set output 'cos.png'
plot cos(x)
EOF

#!/bin/bash
gnuplot << EOF
set terminal png color
set output 'surface.png'
set title "z = sin(x^2 + y^2) / (x^2 + y^2)",+5
set hidden3d
set isosamples 60
set view 42,40
set nocontour
set xrange [-3:3]
set yrange [-3:3]
splot sin(x*x + y*y) / (x*x + y*y)
EOF

#!/bin/bash
# TORES
gnuplot << EOF
set terminal png color
set output 'tores.png'
set tics
set ticslevel 0.1
set grid
set border 31 lt 5
set parametric
set autoscale
set hidden
set nokey
set noclip
set title "TORES",+5
set urange [-pi:pi]
set vrange [-pi:pi]
set zrange [-1.5:+1.5]
set isosamples 60,30
set view 45,30,0.9,1.8
splot cos(u)+.5*cos(u)*cos(v),sin(u)+.5*sin(u)*cos(v),.5*sin(v) with lines,\
1+cos(u)+.5*cos(u)*cos(v),.5*sin(v),sin(u)+.5*sin(u)*cos(v) with lines
EOF

#!/bin/bash
# TORES
echo "Content-type: image/png"
echo ""
gnuplot << EOF
set terminal png color
set tics
set ticslevel 0.1
set grid
set border 31 lt 5
set parametric
set autoscale
set hidden
set nokey
set noclip
set title "TORES",+5
set urange [-pi:pi]
set vrange [-pi:pi]
set zrange [-1.5:+1.5]
set isosamples 60,30
set view 45,30,0.9,1.8
splot cos(u)+.5*cos(u)*cos(v),sin(u)+.5*sin(u)*cos(v),.5*sin(v) with lines,\
1+cos(u)+.5*cos(u)*cos(v),.5*sin(v),sin(u)+.5*sin(u)*cos(v) with lines
EOF

     <?
     include ("jpgraph.php");
     include ("jpgraph_line.php");
     // Il faut mettre des valeurs dans un tableau.
     // Vous pouvez les recuperer d'une base de données ou autres...
     $ydata = array(6,5,25,12,5,10,32,13,5,21);
     // On créé l'objet Graph. Ces deux appels sont toujours necessaires.
     $graph = new Graph(300,200);    
     $graph->SetScale("textlin");
     // On créé un tracé 
     $lineplot=new LinePlot($ydata);
     // On ajoutte ce tracé au graph
     $graph->Add($lineplot);
     // On affiche le graphique
     $graph->Stroke();
     ?>

     <?php
     include ("jpgraph.php");
     include ("jpgraph_pie.php");
     // Some data
     $data = array(40,21,17,14,23);
     // Create the Pie Graph. Note you may cach this  by adding the
     // ache file name as PieGraph(300,300,"SomCacheFileName")
     $graph = new PieGraph(300,200);
     $graph->SetShadow();
     // Set A title for the plot
     $graph->title->Set("Example 1 Pie plot");
     $graph->title->SetFont(FF_FONT1,FS_BOLD);
     // Create graph
     $p1 = new PiePlot($data);
     $graph->Add($p1);
     // .. and finally stroke it
     $graph->Stroke();
     ?>

     <?php
     include ("../jpgraph.php");
     include ("../jpgraph_pie.php");
     include ("../jpgraph_pie3d.php");
     // Some data
     $data = array(20,17,15,20,15,25,25,10);
     // Create the Pie Graph.
     $graph = new
     PieGraph(350,200,"pieex1");
     $graph->SetShadow();
     // Set A title for the plot
     $graph->title->Set("Example 1 3D Pie
     plot");
     $graph->title->SetFont(FF_VERDANA,FS_BOLD,18);
     $graph->title->SetColor("darkblue");
     $graph->legend->Pos(0.1,0.2);
     // Create 3D pie plot
     $p1 = new PiePlot3d($data);
     $p1->SetTheme("sand");
     $p1->SetCenter(0.4);
     $p1->SetAngle(50);
     $p1->SetFont(FF_TIMES,FS_NORMAL,14);
     $p1->SetLegends(array("Jan","Feb","Mar","Apr",
     "May","Jun","Jul","Aug","Sep","Oct"));
     $graph->Add($p1);
     $graph->Stroke();
     ?>

gmtset HEADER_FONT_SIZE 30 OBLIQUE_ANOTATION 0 DEGREE_FORMAT 0
makecpt -Crainbow -T-2/14/2 >! g.cpt
grdimage HI_geoid2.grd -R160/20/220/30r -JOc190/25.5/292/69/4.5i -E50 -K -P -B10 -Cg.cpt \
   -U/-1.25i/-1i/"Example 2 in Cookbook" -X1.5i -Y1.25i >! example_02.ps
psscale -Cg.cpt -D5.1i/1.35i/2.88i/0.4i -O -K -L -B2:GEOID:/:m: -E >> example_02.ps
grd2cpt HI_topo2.grd -Crelief -Z >! t.cpt
grdgradient HI_topo2.grd -A0 -Nt -GHI_topo2_int.grd
grdimage HI_topo2.grd -IHI_topo2_int.grd -R -JO -E50 -B10:."H@#awaiian@# T@#opo and @#G@#eoid:" -O -K \
   -Ct.cpt -Y4.5i >> example_02.ps
psscale -Ct.cpt -D5.1i/1.35i/2.88i/0.4i -O -K -I0.3 -B2:TOPO:/:km: >> example_02.ps
cat << EOF | pstext -R0/8.5/0/11 -Jx1i -O -N -Y-4.5i >> example_02.ps
-0.4 7.5 30 0.0 1 2 a)
-0.4 3.0 30 0.0 1 2 b)
EOF
\rm -f .gmtcommands HI_topo2_int.grd ?.cpt

grdmath -R-15/15/-15/15 -I0.3 X Y HYPOT DUP 2 MUL PI MUL 8 DIV COS EXCH NEG 10 DIV EXP MUL \
   = sombrero.grd
echo '-5    128    5    128' >! gray.cpt
grdgradient sombrero.grd -A225 -Gintensity.grd -Nt0.75
grdview sombrero.grd -JX6i -JZ2i -B5/5/0.5SEwnZ -N-1/255/255/255 -Qs -Iintensity.grd -X1.5i -K \
   -Cgray.cpt -R-15/15/-15/15/-1/1 -E120/30 -U/-1.25i/-0.75i/"Example 5 in Cookbook" >! example_05.ps
echo "4.1 5.5 50 0 33 2 z(r) = cos (2@~p@~r/8) * e@+-r/10@+" | pstext -R0/11/0/8.5 -Jx1i -O \
   >> example_05.ps
\rm -f gray.cpt sombrero.grd intensity.grd .gmtcommands