#!/usr/bin/python
import string
#####################
def generate_map():
text = """Content-type: text/html
script output
Script results
lat = %s - %s
lon = %s - %s
resolution scale = '%s'
size = '%s'
exaggeration = '%s'
units scale = '%s'
texmapfile = '%s'
texres = '%s'
compress = '%s'
Last modified 1 October 2000.
Dave Pape, pape@evl.uic.edu
"""
lat0 = latitude - size / 2
if lat0 < -90: lat0 = -90
if lat0 > 90-size: lat0 = 90 - size
lat1 = lat0 + size
lon0 = longitude - size / 2
if lon0 < -180: lon0 = -180
if lon0 > 180-size: lon0 = 180 - size
lon1 = lon0 + size
print text % (lat0,lat1,lon0,lon1,scale,size,exaggeration,unitsScale,texmapfile,texres,compress)
#####################
def estimate_size(size,scale):
text = """Content-type: text/html
size estimate
Size estimate
The resulting VRML file will contain approximately %d polygons
and be %d kilobytes (roughly %d kilobytes compressed).
It should take about 6 seconds to generate the file (assuming
no heavy load on the server).
Last modified 1 October 2000.
Dave Pape, pape@evl.uic.edu
"""
npolys = size * size * 288 / scale / scale
kbytes = npolys * 28 / 10 / 1000
kbytes_c = npolys * 9 / 10 / 1000
print text % (npolys, kbytes, kbytes_c)
#####################
import cgi
form = cgi.FieldStorage()
# Get all form values, assigning defaults for unset options
if form.has_key('location.x'):
x = string.atoi(form['location.x'].value)
longitude = x * 360 / 512 - 180
else:
longitude = 0
if form.has_key('location.y'):
y = string.atoi(form['location.y'].value)
latitude = 90 - ( y * 180 / 256 )
else:
latitude = 0
resolutionDict = { '5 minute': 1, '10 minute': 2, '15 minute': 3, '30 minute': 6, '1 degree': 12, '2 degree': 24 }
if form.has_key('resolution'):
scale = resolutionDict[form['resolution'].value]
else:
scale = 3
sizeDict = { '5 degrees': 5, '10 degrees': 10, '20 degrees': 20, '30 degrees': 30, '45 degrees': 45 }
if form.has_key('size'):
size = sizeDict[form['size'].value]
else:
size = 10
exaggerationDict = { '1x': 1, '5x': 5, '10x': 10, '20x': 20, '30x': 30 }
if form.has_key('exaggeration'):
exaggeration = exaggerationDict[form['exaggeration'].value]
else:
exaggeration = 1
unitsDict = { 'meters': 1, 'kilometers': .001, 'miles': .0006214 }
if form.has_key('size'):
unitsScale = unitsDict[form['units'].value]
else:
unitsScale = 1
if form.has_key('texmapfile'):
texmapfile = form['texmapfile'].value
else:
texmapfile = 0
texresDict = { '64x64': 64, '128x128': 128, '256x256': 256, '512x512': 512 }
if form.has_key('texres'):
texres = texresDict[form['texres'].value]
else:
texres = 256
if form.has_key('compress'):
compress = form['compress'].value
else:
compress = 0
if form.has_key('compute'):
compute = form['compute'].value
else:
compute = 0
if compute:
estimate_size(size,scale)
else:
generate_map()