User:Lieven Van Speybroeck/Prototyping/9-Constellate me
< User:Lieven Van Speybroeck
Revision as of 15:33, 5 November 2011 by Lieven Van Speybroeck (talk | contribs) (→Star Vector Graphics)
Star Vector Graphics
Find out what your real constellation is...
UPDATE (v0.2)
The constellator has been turned into a cgi-script.
User-friendly and all!
--- code ---
constellation.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Constellator</title>
<link href="constellation.css" rel="stylesheet" type="text/css">
<script type="text/javascript">
function validate(){
var name=document.forms["constellation"]["name"].value;
var date=document.forms["constellation"]["date"].value;
if (name==null || name==""){
alert("The stars need a name");
return false;
}
else if (date==null || date=="") {
alert("The stars need a date")
return false;
}
if ((name.match(/[a-z]/))==null){
alert('The stars only understand an [a-z] name');
return false;
}
}
function doDate(){
date = new Date();
day = date.getDate();
if (day < 10) {
day = "0"+day;
}
if (month < 10) {
month = "0"+month;
}
month = date.getMonth();
year = date.getFullYear();
document.forms["constellation"]["date"].value = year+"-"+month+"-"+day;
}
</script>
</head>
<body onload="doDate();">
<div class="container">
<form name="constellation" action="../cgi-bin/constellation.cgi" onsubmit="return validate()" method="get">
<ul>
<li>name:<br/><input type="text" name="name" size="30" Value="Your name here"></li>
<li>date of birth:<br/><input type="date" name="date" size="30"></li>
<li><input type="submit" value="*~*:._constellat0rrr_.:*~*" class="button"></li>
</ul>
</form>
</div>
</body>
</html>
constellation.cgi
#!/usr/bin/python
#-*- coding:utf-8 -*-
import cgi, cgitb, random, string
alphabet = string.lowercase
form = cgi.FieldStorage()
name = (form.getvalue('name'))
date = (form.getvalue('date')).split("-")
clean = name.replace(" ","")
day = float(date[2])
month = float(date[1])
year = date[0]
year = float(year[2:])
characters = list(clean.lower());
print "Content-type: image/svg+xml"
print
print """<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
width="100%"
height="100%"
id="svg3040"
version="1.1"
inkscape:version="0.48.1 r9760"
sodipodi:docname="New document 3">
<defs
id="defs3042" />
<sodipodi:namedview
id="base"
pagecolor="#ffffff"
bordercolor="#666666"
borderopacity="1.0"
inkscape:pageopacity="0.0"
inkscape:pageshadow="2"
inkscape:zoom="1.979899"
inkscape:cx="335.42751"
inkscape:cy="427.91605"
inkscape:document-units="px"
inkscape:current-layer="layer2"
showgrid="false"
inkscape:snap-global="false"
inkscape:window-width="1918"
inkscape:window-height="1177"
inkscape:window-x="0"
inkscape:window-y="21"
inkscape:window-maximized="0" />
<metadata
id="metadata3045">
<rdf:RDF>
<cc:Work
rdf:about="">
<dc:format>image/svg+xml</dc:format>
<dc:type
rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
<dc:title></dc:title>
</cc:Work>
</rdf:RDF>
</metadata>
<g
inkscape:label="sky"
inkscape:groupmode="layer"
id="layer1"
sodipodi:insensitive="true">
<rect
style="fill:#000000;fill-opacity:1;stroke:none"
id="rect3048"
width="100%"
height="100%" />
</g>
<g
inkscape:groupmode="layer"
id="layer2"
inkscape:label="constellation">"""
circle = """<circle cx="{0}%" cy="{1}%" r="{2}%"
fill="{3}" stroke="none" style="opacity:{4};" />"""
line = """<line x1="{0}%" y1="{1}%" x2="{2}%" y2="{3}%" stroke="#ff00ff" stroke-width="0.1%" />"""
text = """<text x="{0}%" y="{1}%" fill="#FF00FF" font-family="Courier"
font-size="13" text-anchor="middle">{2}</text>"""
for x in range(0,800):
print circle.format(random.random()*100, random.random()*100, random.random()/5, 'grey', random.random())
x = 0
for n in characters:
pos = ((alphabet.index(n))+1)
if 1 <= pos <= 4:
y1 = day*2
x1 = (pos*10)+day*2
elif 5 <= pos <= 8:
y1 = month*2
x1 = ((pos-4)*10)+day*2
elif 9 <= pos <= 12:
y1 = day*3
x1 = ((pos-8)*10)+day*2
elif 13 <= pos <= 16:
y1 = month*3
x1 = ((pos-12)*10)+month*2
elif 17 <= pos <= 20:
y1 = year/2
x1 = ((pos-16)*10)+month*2
elif 21 <= pos <= 24:
y1 = day+month*2
x1 = ((pos-20)*10)+month*2
elif 25 <= pos <= 26:
y1 = 90
x1 = ((pos-24)*10)+day*2
if x != 0:
print line.format(x2, y2, x1, y1)
else:
textx = x1
texty = y1-2
print circle.format(x1, y1, random.random()/3+0.05, 'white',1)
x2 = x1
y2 = y1
x+=1
print text.format(textx, texty, name)
print"""
</g>
</svg>"""
____DEPRECATED SECTION (v0.1)________
examples
constellate(.py)
#!/usr/bin/python
import sys, string, random
alphabet = string.lowercase
name = sys.argv[1]
clean = sys.argv[1].replace(" ",'')
try:
characters = list(clean.lower());
length = len(sys.argv[1]);
f = open('constellations/'+name+'.svg', 'w')
f.write("""<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
width="100%"
height="100%"
id="svg3040"
version="1.1"
inkscape:version="0.48.1 r9760"
sodipodi:docname="New document 3">
<defs
id="defs3042" />
<sodipodi:namedview
id="base"
pagecolor="#ffffff"
bordercolor="#666666"
borderopacity="1.0"
inkscape:pageopacity="0.0"
inkscape:pageshadow="2"
inkscape:zoom="1.979899"
inkscape:cx="335.42751"
inkscape:cy="427.91605"
inkscape:document-units="px"
inkscape:current-layer="layer2"
showgrid="false"
inkscape:snap-global="false"
inkscape:window-width="1918"
inkscape:window-height="1177"
inkscape:window-x="0"
inkscape:window-y="21"
inkscape:window-maximized="0" />
<metadata
id="metadata3045">
<rdf:RDF>
<cc:Work
rdf:about="">
<dc:format>image/svg+xml</dc:format>
<dc:type
rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
<dc:title></dc:title>
</cc:Work>
</rdf:RDF>
</metadata>
<g
inkscape:label="sky"
inkscape:groupmode="layer"
id="layer1"
sodipodi:insensitive="true">
<rect
style="fill:#000000;fill-opacity:1;stroke:none"
id="rect3048"
width="100%"
height="100%" />
</g>
<g
inkscape:groupmode="layer"
id="layer2"
inkscape:label="constellation">""")
circle = """<circle cx="{0}%" cy="{1}%" r="{2}" fill="{3}" stroke="none" style="opacity:{4};" />"""
line = """<line x1="{0}%" y1="{1}%" x2="{2}%" y2="{3}%" stroke="#ff00ff" stroke-width="0.1%" />"""
text = """<text x="{0}%" y="{1}%" fill="#ff00ff" font-family="Courier" font-size="13" text-anchor="middle">{2}</text>"""
for x in range(0,800):
f.write(circle.format(random.random()*100, random.random()*100, random.randint(2,5), 'grey', random.random()))
x = 0
for n in characters:
pos = ((alphabet.index(n))+1)
if 1 <= pos <= 4:
y1 = 20
x1 = (pos*10)+20
elif 5 <= pos <= 8:
y1 = 30
x1 = ((pos-4)*10)+10
elif 9 <= pos <= 12:
y1 = 35
x1 = ((pos-8)*10)+27
elif 13 <= pos <= 16:
y1 = 45
x1 = ((pos-12)*10)+18
elif 17 <= pos <= 20:
y1 = 53
x1 = ((pos-16)*10)+12
elif 21 <= pos <= 24:
y1 = 77
x1 = ((pos-20)*10)+36
elif 25 <= pos <= 26:
y1 = 84
x1 = ((pos-24)*10)+23
f.write(circle.format(x1, y1, random.randint(2,6), 'white',1))
if x != 0:
f.write(line.format(x2, y2, x1, y1))
else:
textx = x1
texty = y1-2
x2 = x1
y2 = y1
x=1
f.write(text.format(textx, texty, name))
f.write("""
</g>
</svg>""")
except:
print '\n!-------------------------------!\nOnly characters from a-z allowed\n!-------------------------------!\n'
run
- $ chmod +x constellate
- $ cp constellate /usr/local/bin
- $ constellate 'Whatever you want to write in the stars'