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gaia.py
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gaia.py
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#! /usr/bin/env python
# $Id: gaia.py,v 1.6 2014/05/19 11:35:08 stbrown Exp $ #
# Copyright 2009, Pittsburgh Supercomputing Center (PSC).
# See the file 'COPYRIGHT.txt' for any restrictions.
import string,sys,os
import httplib
import math
class GAIA:
def __init__(self,plot_info_,conf_info_=None):
assert(isinstance(plot_info_,PlotInfo))
if conf_info_ is not None:
assert(isinstance(conf_info_,ConfInfo))
self.plotInfo = plot_info_
if conf_info_ is None:
self.confInfo = ConfInfo()
else:
self.confInfo = conf_info_
def call(self):
with open("log.txt","a") as f:
try:
xmlMessage = self.plotInfo.printXMLMessage()
print "Done Parsing XML Message"
except Exception as e:
f.write("XMLFAIL: %s\n"%str(e))
try:
httpConn = httplib.HTTPConnection(self.confInfo.serverURL,self.confInfo.serverPort,True)
if self.confInfo.debug:
httpConn.set_debuglevel(2)
httpConn.connect()
except Exception as e:
f.write("HTTPCONN FAILED: %s\n"%str(e))
#xmlMessage = self.plotInfo.printXMLMessage()
#with open("out.xml","wb") as f:
# f.write(xmlMessage)
try:
headers = { Constants.MIME_CONTENT_TYPE: Constants.MIME_TEXT_XML,
Constants.MIME_CONTENT_LENGTH: '%d; %s="%s"'%(len(xmlMessage),Constants.MIME_CHARSET,Constants.MIME_ISO_8859_1)}
httpConn.request("GET",self.confInfo.serverURL,"%s"%xmlMessage,headers)
print "Parsed Headers"
except Exception as e:
f.write("HEADERS FAILED: %s\n"%str(e))
try:
response = httpConn.getresponse()
except Exception as e:
f.write("RESPONSE FAILED: %s\n"%str(e))
### determine the file we are returning
try:
print "Getting the Response"
responseFileType = response.getheader(Constants.MIME_CONTENT_TYPE)
responseLength = response.getheader(Constants.MIME_CONTENT_LENGTH)
if responseLength == 0:
raise RuntimeError("GAIA Server returned an empty visuzalization")
except Exception as e:
f.write("RESPONSE 2 FAILED: %s\n"%str(s))
try:
responseFileExt = ""
if responseFileType in Constants.fileExtensions.keys():
responseFileExt = Constants.fileExtensions[responseFileType]
else:
print 'WARNING: Unrecognized File Type returned from GAIA Server\n'\
'File Statistics:\n'\
'\tFile Type:%s\n'\
'\tFile Size:%s\n'\
'\tSaving to:%s'\
%(responseFileType,str(responseLength),self.plotInfo.output_filename+".gaia")
responseFileExt = ".gaia"
print "Getting File"
except Exception as e:
f.write("RESPONSE 3 FAILED: %s\n"%str(e))
try:
responseOutFile = self.plotInfo.output_filename + responseFileExt
with open(responseOutFile,"wb") as f:
f.write("%s"%response.read())
if httpConn.sock:
httpConn.sock.shutdown()
httpConn.close()
print "Close that Bitch"
except Exception as e:
f.write("CLOSING FAILED: %s\n"%str(e))
class Constants:
maximum_ABGR_value = int(255)
minimum_ABGR_value = int(0)
kNormalizedGeometry = float(1000.0)
supportedOutputFormats = ['gif','png']
supportedBundleFormats = ['tar','ogg','mpg','mov','mp4']
supportedWrapperTypes = {'fips':5,'hasc':5,'usfips':5,'lonlat':6,'lonlat-label':7,'lonlat-path':-1,
'lonlat-poly':-1}
GAIA_DEFAULT_STYLE = 0
GAIA_DEFAULT_TIME_SEQ = -1
WRAPPER_TYPE_VARIABLE = -1
WRAPPER_RAW_ELEMENT_DELIMITER = ':'
WRAPPER_VALUE_STYLE_DELIMITER = ':'
GAIA_CLIENT_VERSION_NUMBER='0.1'
WRAPPER_BUFFER_SIZE = 8192
GAIA_INPUT_COMMENT_FLAG = "#"
MIME_CONTENT_LENGTH = "Content-Length"
MIME_CONTENT_ENCODING = "Content-Encoding"
MIME_CONTENT_TYPE = "Content-Type"
MIME_TEXT_XML = "text/xml"
MIME_TEXT_PLAIN = "text/plain"
MIME_IMAGE_GIF = "image/gif"
MIME_IMAGE_PNG = "image/png"
MIME_VIDEO_MPG = "video/mpeg"
MIME_VIDEO_MOV = "video/quicktime"
MIME_VIDEO_MP4 = "video/mp4"
MIME_VIDEO_OGG = "video/ogg"
MIME_APP_TAR = "application/x-tar"
MIME_APP_GZIP = "application/x-gzip"
MIME_APP_OCT_STREAM = "application/octet-stream"
MIME_BINARY = MIME_APP_OCT_STREAM
MIME_CHARSET = "charset"
MIME_ISO_8859_1 = "ISO-8859-1"
MIME_CONTENT_TYPE_TEXT ="text/"
fileExtensions = {MIME_IMAGE_GIF:'.gif',
MIME_IMAGE_PNG:'.png',
MIME_VIDEO_MPG:'.mpg',
MIME_VIDEO_MOV:'.mov',
MIME_VIDEO_MP4:'.mp4',
MIME_VIDEO_OGG:'.ogg',
MIME_APP_TAR:'.tgz',
MIME_APP_GZIP:'.gz'}
class aBGR:
def __init__(self,alpha_=None, blue_=None, green_=None, red_=None, value=None):
### Alpha, blue, green, red values will override value
if value is not None:
if alpha_ is not None:
raise RuntimeError("Cannot specify individual aBGR values and a string" \
" value in the same instance of aBGR")
try:
value_list = value.split(".")
if len(value_list) == 4 :
alpha_ = int(value_list[0])
blue_ = int(value_list[1])
green_ = int(value_list[2])
red_ = int(value_list[3])
else:
raise aBGRError
except:
raise RuntimeError("Format of String %s not suitable for an aBGR value"%value)
if alpha_ is not None:
try:
self.alpha = int(alpha_)
if self.alpha < Constants.minimum_ABGR_value or self.alpha > Constants.maximum_ABGR_value:
raise aBGRError
except:
raise RuntimeError("Alpha value of %s invalid for an aBGR value"%alpha_)
try:
self.blue = int(blue_)
if self.blue < Constants.minimum_ABGR_value or self.blue > Constants.maximum_ABGR_value:
raise aBGRError
except:
raise RuntimeError("Blue value of %s invalid for an aBGR value"%blue_)
try:
self.green = int(green_)
if self.green < Constants.minimum_ABGR_value or self.green > Constants.maximum_ABGR_value:
raise aBGRError
except:
raise RuntimeError("Green value of %s invalid for an aBGR value"%green_)
try:
self.red = int(red_)
if self.red < Constants.minimum_ABGR_value or self.red > Constants.maximum_ABGR_value:
raise aBGRError
except:
raise RuntimeError("Red value of %s invalid for an aBGR value"%red_)
else:
raise RuntimeError("Arguments to aBGR instance do not make sense")
def __str__(self):
return "%d.%d.%d.%d"%(self.alpha,self.blue,self.green,self.red)
def __repr__(self):
return 'aBGR values:\n\talpha:%10d\n\tblue:%11d\n\tgreen:%10d\n\tred:%12d'%(self.alpha,
self.blue,
self.green,
self.red)
def __sub__(self,otherColor):
assert(isinstance(otherColor,aBGR))
return (self.alpha - otherColor.alpha,
self.blue - otherColor.blue,
self.green - otherColor.green,
self.red - otherColor.red)
class PlotInfo:
def __init__(self,
input_filename_ = None,
output_filename_ = None,
styles_filenames_ = None,
wsdl_request_=False,
output_format_ ="png",
bundle_format_ = None,
start_color_ = None,
end_color_ = None,
start_radius_ = -1.0,
end_radius_ = -1.0,
num_gradients_ = 0,
max_resolution_ = Constants.kNormalizedGeometry,
project_image_ = False,
font_ = None,
font_size_ = 24.0,
legend_font_size_ = 16.0,
background_color_ = None,
fill_color_ = None,
stroke_width_ = 1.0,
title_ = None,
legend_ = None):
self.input_filename = input_filename_
if output_filename_ is None:
self.output_filename = os.path.splitext(self.input_filename)[0]
else:
self.output_filename = output_filename_
self.styles_filenames = styles_filenames_
self.wsdl_request = False
if wsdl_request_ is not None and wsdl_request_ is not False:
self.wsdl_request = True
self.output_format = output_format_
self.bundle_format = bundle_format_
self.start_color = None
if start_color_ is not None:
self.start_color = aBGR(value=start_color_)
print "pI: " +str(self.start_color)
self.end_color = None
if end_color_ is not None:
self.end_color = aBGR(value=end_color_)
self.start_radius = float(start_radius_)
self.end_radius = float(end_radius_)
self.num_gradients = int(num_gradients_)
self.max_resolution = float(max_resolution_)
self.project_image = False
if project_image_ is not None and project_image_ is not False:
self.project_image = True
self.font = font_
self.font_size = float(font_size_)
self.legend_font_size = float(legend_font_size_)
self.background_color = None
if background_color_ is not None:
self.background_color = aBGR(value=background_color_)
self.fill_color = None
if fill_color_ is not None:
self.fill_color = aBGR(value=fill_color_)
self.stroke_width = float(stroke_width_)
self.title = title_
self.legend = legend_
if self.input_filename is not None:
self.wrappers = self.parseWrappers()
else:
self.wrappers = []
self.styles = []
if styles_filenames_ is not None:
for styleFilename in styles_filenames_:
self.styles.append(self.parseStyles(styleFilename))
def parseWrappers(self):
wrappers_tmp = []
lonLatPathRecs = {}
lonLatPolyRecs = {}
with open(self.input_filename,"rb") as f:
for line in f:
elements = line.split()
if elements[0][0]== Constants.GAIA_INPUT_COMMENT_FLAG:
continue
elemType = elements[0].lower()
element = None
if elemType == "lonlat":
element = LonLat()
element.parseRec(line[len('lonlat '):])
elif elemType == "usfips":
element = USFips()
element.parseRec(line[len('usfips '):])
elif elemType[:2] == "us":
element = USApolloCode()
element.parseRec(line[len('US'):])
elif elemType == "hasc":
element = HASC()
element.parseRec(line[len('hasc '):])
elif elemType == "lonlat-label":
element = LonLatLabel()
element.parseRec(line[len('lonlat-label '):])
elif elemType == "lonlat-path":
elemID = int(elements[1])
if not lonLatPathRecs.has_key(elemID):
lonLatPathRecs[elemID] = []
elemStr = ""
for elem in elements[1:]:
elemStr += str(elem) + " "
lonLatPathRecs[elemID].append(elemStr)
elif elemType == "lonlat-poly":
elemID = int(elements[1])
if not lonLatPolyRecs.has_key(elemID):
lonLatPolyRecs[elemID] = []
elemStr = ""
for elem in elements[1:]:
elemStr += str(elem) + " "
lonLatPolyRecs[elemID].append(elemStr)
else:
raise RuntimeError("ERROR: Unsupported GAIA Element Type of %s in input"%elemType)
if element is not None:
wrappers_tmp.append(element)
### Parse out the LonLatPaths
if len(lonLatPathRecs) > 0:
for lonLatID in lonLatPathRecs.keys():
element = LonLatPath()
element.parseRec(lonLatPathRecs[lonLatID])
wrappers_tmp.append(element)
### Parse out the LonLatPolys
if len(lonLatPolyRecs) > 0:
for lonLatID in lonLatPolyRecs.keys():
element = LonLatPoly()
element.parseRec(lonLatPolyRecs[lonLatID])
wrappers_tmp.append(element)
return wrappers_tmp
def parseStyles(self,styleFilename):
styles_tmp = {}
styles_tmp['elements'] = []
styleID = 0
legendSupport = 0
with open(styleFilename,"rb") as f:
lineList = f.readlines()
for line in lineList:
elements = line.split()
if elements[0][0:2] == "id":
styleID = int(elements[0].split("=")[1])
elif elements[0][0:14] == "legend-support":
legendSupport = int(elements[0].split("=")[1])
else:
styles_tmp['elements'].append({'color':aBGR(value=elements[0]),
'radius':float(elements[1]),
'lower_bound':float(elements[2]),
'upper_bound':float(elements[3])})
styles_tmp['styleID'] = int(styleID)
styles_tmp['legend-support'] = int(legendSupport)
return styles_tmp
def printXMLMessage(self):
xmlString = '<?xml version="1.0" encoding="UTF-8" standalone="no" ?><gaia>'
xmlString+= '<output-format>%s</output-format>'%(self.output_format)
if self.bundle_format is not None:
xmlString+= '<bundle-format>%s</bundle-format>'%(self.bundle_format)
if self.num_gradients > 0:
xmlString+= '<num-gradients>%d</num-gradients>'%(self.num_gradients)
if self.max_resolution > 0:
xmlString+= '<max-resolution>%#g</max-resolution>'%(self.max_resolution)
if self.start_color is not None:
xmlString+= '<start-color>%s</start-color>'%(str(self.start_color))
if self.end_color is not None:
xmlString+= '<end-color>%s</end-color>'%(str(self.end_color))
if self.start_radius > -1:
xmlString+= '<start-radius>%g</start-radius>'%(self.start_radius)
if self.end_radius > -1:
xmlString+= '<end-radius>%g</end-radius>'%(self.end_radius)
if self.font is not None:
xmlString+= '<font-type>%s</font-type>'%(self.font)
if self.font_size > -1:
xmlString+= '<font-size>%g</font-size>'%(self.font_size)
if self.legend_font_size > -1:
xmlString+= '<legend-font-size>%g</legend-font-size>'%(self.legend_font_size)
if self.background_color is not None:
xmlString+= '<background-color>%s</background-color>'%(self.background_color)
if self.stroke_width > -1:
xmlString+= '<stroke-width>%g</stroke-width>'%(self.stroke_width)
if self.project_image is True:
xmlString+= '<project-image>1</project-image>'
if self.title is not None:
xmlString+= '<title>%s</title>'%self.title
if self.legend is not None:
xmlString+= '<legend-text>%s</legend-text>'%self.legend
### Now write the styles
if len(self.styles) > 0:
for styleDict in self.styles:
xmlString+= '<style-range-list style-id="%d" legend-support="%d">'\
%(styleDict['styleID'],styleDict['legend-support'])
for style in styleDict['elements']:
xmlString += '<color>%s</color><radius>%f</radius>'\
'<lower-bound>%f</lower-bound>'\
'<upper-bound>%f</upper-bound>'\
%(str(style['color']),
style['radius'],
style['lower_bound'],
style['upper_bound'])
xmlString+= '</style-range-list>'
xmlString += '<wrapper-raw>'
wrapperCount = 0
for wrapper in self.wrappers:
elementStr = str(wrapper) + Constants.WRAPPER_RAW_ELEMENT_DELIMITER
wrapperCount += len(elementStr)
if wrapperCount > Constants.WRAPPER_BUFFER_SIZE:
xmlString += '</wrapper-raw><wrapper-raw>'
wrapperCount = len(elementStr)
xmlString += elementStr
xmlString = xmlString[:-1] + '</wrapper-raw>'
xmlString += '</gaia>'
return xmlString
class ConfInfo:
def __init__(self,serverURL_="gaia.pha.psc.edu",serverPort_="13500",logInfo_=None,debug_=False):
self.serverURL = serverURL_
self.serverPort = serverPort_
self.logInfo = logInfo_
self.debug = debug_
def __str__(self):
return "(%s,%d,%s)"%(self.serverURL,self.serverPort,self.logInfo)
def __repr__(self):
return "Configuration Information:\n\tServer:\t%s\n\tPort:\t%d\n\tLog:\t%s\n"\
%(self.serverURL,self.serverPort,self.logInfo)
class Wrapper:
def __init__(self,type_,
time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
self.type = type_.lower()
self.time = time_
self.styleID = styleID_
if type_ not in Constants.supportedWrapperTypes.keys():
raise RuntimeError("ERROR: Trying to create a Wrapper that is of an"\
"unsupported type %s in GAIA"%type_)
self.info = {}
def __str__(self):
raise RuntimeError("Printing from the abstract Wrapper Class is not appropriate,"\
"please use a proper concrete class")
def parseRec(self,rec):
raise RuntimeError("Cannot parse record from abstract class Wrapper")
class LonLat(Wrapper):
def __init__(self,longitude_=0.0,latitude_=0.0,value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"lonlat",time_,styleID_)
self.latitude = float(latitude_)
self.longitude = float(longitude_)
self.value = float(value_)
def parseRec(self,rec):
## split by space
recSplit = rec.split()
if len(recSplit) <3 or len(recSplit) > 4:
raise RuntimeError("ERROR: lonlat element input has the incorrect number of fields")
## First look for a styleID parameter
self.latitude = float(recSplit.pop(0).strip('"').strip("'").strip())
self.longitude = float(recSplit.pop(0).strip('"').strip("'").strip())
### can have multiple values associated with styles
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of LonLat Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
self.styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
self.value = float(recSplit.pop(0).strip('"').strip("'").strip())
### is there a time sequence value
if len(recSplit) > 0:
self.time = float(recSplit.pop(0).strip('"').strip("'").strip())
def __str__(self):
return 'lonlat %f %f %g %d %g'%(self.longitude,self.latitude,\
self.value,self.styleID,self.time)
class USFips(Wrapper):
def __init__(self,fipsString_=None,value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"usfips",time_,styleID_)
self.fipsString = fipsString_
self.value = float(value_)
def parseRec(self,rec):
## split by space
recSplit = rec.split()
if len(recSplit) < 2 or len(recSplit) > 3:
raise RuntimeError("ERROR: usfips element input has the incorrect number of fields")
self.fipsString = recSplit.pop(0).strip('"').strip("'").strip()
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of USFips Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
self.styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
self.value = float(recSplit.pop(0).strip('"').strip("'").strip("\n"))
### is there a time sequence value
if len(recSplit) > 0:
self.time = float(recSplit.pop(0).strip('"').strip("'").strip("\n"))
def __str__(self):
return "usfips %s %g %d %g"%(self.fipsString,self.value,self.styleID,self.time)
class USApolloCode(Wrapper):
def __init__(self,fipsString_=None,value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"usfips",time_,styleID_)
self.fipsString = fipsString_
self.value = float(value_)
def parseRec(self,rec):
## split by space
recSplit = rec.split()
#print str(recSplit)
if len(recSplit) < 2 or len(recSplit) > 3:
raise RuntimeError("ERROR: usfips element input has the incorrect number of fields")
self.fipsString = self.convertFIPSToGaiaFips(recSplit.pop(0).strip('"').strip("'").strip())
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of USFipsApolloCode Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
self.styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
val = recSplit.pop(0).strip('"').strip("'").strip("\n")
self.value = float(val)
### is there a time sequence value
if len(recSplit) > 0:
tim = recSplit.pop(0)
self.time = float(tim.strip('"').strip("'").strip("\n"))
def convertFIPSToGaiaFips(self,fips_):
fipsWOAsterix = fips_.strip('*')
astCount = fips_.count('*')
if astCount > 4:
raise RuntimeError("ERROR: USApolloCode::convertFipsToGaiaFips %s has %d asterices, can only have 4"%(str(fips_),astCount))
if len(fipsWOAsterix) < 2:
raise RuntimeError("ERROR: USApolloCode::convertFipsToGaiaFips is less than 2 in length")
if len(fipsWOAsterix) != 2 and len(fipsWOAsterix) != 5 and len(fipsWOAsterix) != 9 and len(fipsWOAsterix) != 11 and len(fipsWOAsterix) < 12:
raise RuntimeError("ERROR: USApolloCode::convertFipsToGaiaFips %s, %d is not an standard length"%(str(fipsWOAsterix),len(fipsWOAsterix)))
if len(fipsWOAsterix) == 0:
returnString = self.asterixToCode("all",astCount)
else:
returnString = "st%s"%fipsWOAsterix[0:2]
if len(fipsWOAsterix) == 2:
returnString += self.asterixToCode("st",astCount)
if len(fipsWOAsterix) > 2:
returnString += ".ct%s"%fips_[2:5]
if len(fipsWOAsterix) == 5:
returnString += self.asterixToCode("ct",astCount)
if len(fipsWOAsterix) > 5:
fips_tr = fipsWOAsterix[5:11]
if fips_tr[-2:] == "00":
fips_tr = fipsWOAsterix[5:9]
returnString += ".tr%s"%fips_tr
if len(fipsWOAsterix) == 9 or len(fipsWOAsterix) == 11:
returnString += self.asterixToCode("tr",astCount)
if len(fipsWOAsterix) == 10 or len(fipsWOAsterix) == 12:
returnString += ".bl%s"%fipsWOAsterix[11:]
if returnString.count('ct') > 1 or returnString.count('st') > 1 or returnString.count('tr') > 1 or returnString.count('bl') > 1:
raise RuntimeError("ERROR: USApolloCode::convetFipsToGaiaFips %s has and incorrect format in parsing asterices"%(returnString))
return returnString
def asterixToCode(self,level,astCount):
if level not in ["all","st","ct","tr"]:
raise RuntimeError("ERROR: USApolloCode::asterixToCode: invalid level %s"%str(level))
print "Level: %s count %d"%(level,astCount)
if level == "all":
if astCount > 4:
astCount = 4
if astCount == 4:
return "st*.ct*.tr*.bl*"
elif astCount == 3:
return "st*.ct*.tr*"
elif astCount == 2:
return "st*.ct*"
elif astCount == 1:
return "st*"
elif level == "st":
if astCount > 3:
astCount = 3
if astCount == 3:
return ".ct*.tr*.bl*"
elif astCount == 2:
return ".ct*.tr*"
elif astCount == 1:
return ".ct*"
elif level == "ct":
if astCount > 2:
astCount = 2
if astCount == 2:
return ".tr*.bl*"
if astCount ==1:
return ".tr*"
elif level == "tr":
if astCount > 1:
astCount = 1
if astCount == 1:
return ".bl*"
return ""
def __str__(self):
return "usfips %s %g %d %g"%(self.fipsString,self.value,self.styleID,self.time)
class HASC(Wrapper):
def __init__(self,fipsString_=None,value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"hasc",time_,styleID_)
self.fipsString = fipsString_
self.value = float(value_)
def parseRec(self,rec):
## split by space
recSplit = rec.split()
if len(recSplit) < 2 or len(recSplit) > 3:
raise RuntimeError("ERROR: hasc element input has the incorrect number of fields")
self.fipsString = recSplit.pop(0).strip('"').strip("'").strip()
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of LonLat Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
self.styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
self.value = float(recSplit.pop(0).strip('"').strip("'").strip())
### is there a time sequence value
if len(recSplit) > 0:
self.time = float(recSplit.pop(0).strip('"').strip("'").strip())
def __str__(self):
return "hasc %s %g %d %g"%(self.fipsString,self.value,self.styleID,self.time)
class LonLatLabel(Wrapper):
def __init__(self,longitude_=0.0,latitude_=0.0,label_="Label",value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"lonlat-label",time_,styleID_)
self.longitude = float(longitude_)
self.latitude = float(latitude_)
self.value = float(value_)
self.label = str(label_)
def parseRec(self,rec):
### first we need to parse out the label between quotes
if rec.find('"') == -1:
raise RuntimeError("ERROR: lonlat-label element has no label in it")
start = rec.index('"') + len('"')
end = rec.index('"',start)
self.label = rec[start:end]
### eliminate the label from the record and move on
rec = rec[end+1:]
## split by space
recSplit = rec.split()
if len(recSplit) < 3 or len(recSplit) > 4:
raise RuntimeError("ERROR: lonlat-label element input has the incorrect number of fields")
self.latitude = float(recSplit.pop(0).strip('"').strip("'").strip())
self.longitude = float(recSplit.pop(0).strip('"').strip("'").strip())
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of LonLat Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
self.styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
self.value = float(recSplit.pop(0).strip('"').strip("'").strip())
if len(recSplit) > 0:
self.time = float(recSplit.pop(0).strip('"').strip("'").strip())
def __str__(self):
return 'lonlat-label %f %f "%s" %g %d %g'%(self.longitude,self.latitude,self.label,\
self.value,self.styleID,self.time)
class LonLatPath(Wrapper):
def __init__(self,coordinates_=None,pathID_=0,value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"lonlat-path",time_,styleID_)
if coordinates_ is None:
self.coordinates = []
else:
self.coordinates = coordinates_
self.value = float(value_)
self.pathID = int(pathID_)
### This is a special element, as it needs to be defined on more than one record
def parseRec(self,recs):
assert(isinstance(recs,list))
if len(recs) < 2:
raise RuntimeError("ERROR: Must Define more than one lonlat point for a LonLatPath")
second_pass = False
for rec in recs:
## split by space
recSplit = rec.split()
pathID = int(recSplit.pop(0).strip('"').strip("'").strip())
latitude = float(recSplit.pop(0).strip('"').strip("'").strip())
longitude = float(recSplit.pop(0).strip('"').strip("'").strip())
styleID = Constants.GAIA_DEFAULT_STYLE
time = Constants.GAIA_DEFAULT_TIME_SEQ
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of LonLat Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
value = float(recSplit.pop(0).strip('"').strip("'").strip())
if len(recSplit) > 0:
time = float(recSplit.pop(0).strip('"').strip("'").strip())
if second_pass:
# If this is the second entry or greater... just error check
if self.pathID != pathID or self.value != value or self.time != time:
raise RuntimeError("ERROR: Inconsistent Records in LonLatPath records")
else:
# If this is the first entry, set the values
self.pathID = pathID
self.value = value
self.time = time
self.styleID = styleID
self.coordinates.append((longitude,latitude))
def __str__(self):
returnString = "lonlat-path %d "%(self.pathID)
for coords in self.coordinates:
returnString += "%f %f, "%(coords[0],coords[1])
return returnString[:-2] + " %g %d %g"%(self.value,self.styleID,self.time)
class LonLatPoly(Wrapper):
def __init__(self,coordinates_=None,polyID_=0,value_=0.0,time_=Constants.GAIA_DEFAULT_TIME_SEQ,
styleID_=Constants.GAIA_DEFAULT_STYLE):
Wrapper.__init__(self,"lonlat-path",time_,styleID_)
if coordinates_ is None:
self.coordinates = []
else:
self.coordinates = coordinates_
self.value = float(value_)
self.polyID = int(polyID_)
### This is a special element, as it needs to be defined on more than one record
def parseRec(self,recs):
assert(isinstance(recs,list))
if len(recs) < 2:
raise RuntimeError("ERROR: Must Define more than one lonlat point for a LonLatPoly")
second_pass = False
for rec in recs:
## split by space
recSplit = rec.split()
polyID = int(recSplit.pop(0).strip('"').strip("'").strip())
latitude = float(recSplit.pop(0).strip('"').strip("'").strip())
longitude = float(recSplit.pop(0).strip('"').strip("'").strip())
styleID = Constants.GAIA_DEFAULT_STYLE
time = Constants.GAIA_DEFAULT_TIME_SEQ
foundFlag = False
for record in recSplit:
if Constants.WRAPPER_VALUE_STYLE_DELIMITER in record:
if foundFlag:
raise RuntimeError("ERROR: Format of LonLat Wrapper has more than one Style parameter specified")
foundFlag = True
styleSplit = record.split(Constants.WRAPPER_VALUE_STYLE_DELIMITER)
styleID = int(styleSplit[1])
### eliminate this from the record
recSplit[recSplit.index(record)] = str(styleSplit[0])
value = float(recSplit.pop(0).strip('"').strip("'").strip())
if len(recSplit) > 0:
time = float(recSplit.pop(0).strip('"').strip("'").strip())
if second_pass:
# If this is the second entry or greater... just error check
if self.polyID != polyID or self.value != value or self.time != time:
raise RuntimeError("ERROR: Inconsistent Records in LonLatPoly records")
else:
# If this is the first entry, set the values
self.polyID = polyID
self.value = value
self.time = time
self.styleID = styleID
self.coordinates.append((longitude,latitude))
def __str__(self):
returnString = "lonlat-poly %d "%(self.polyID)
for coords in self.coordinates:
returnString += "%f %f, "%(coords[0],coords[1])
return returnString[:-2] + " %g %d %g"%(self.value,self.styleID,self.time)
### Static Utility functions
def compressList(chunkList):
for i in range(0,len(chunkList)-1):
#print "Start " + str(chunkList[i])
#print "End " + str(chunkList[i+1])
if len(chunkList[i])==0:
continue
endValue = chunkList[i][len(chunkList[i])-1]
begValue = chunkList[i+1][0]
#print "start beg,end: " + str(begValue) + " " + str(endValue)
while int(begValue) == int(endValue) and len(chunkList[i+1]) != 0:
del chunkList[i+1][0]
chunkList[i].append(begValue)
# print "Alter Start " + str(chunkList[i])
# print "Alter End " + str(chunkList[i+1])
if len(chunkList[i+1]) == 0:
continue
begValue = chunkList[i+1][0]
# print "new begValue: " + str(begValue)
for i in range(len(chunkList)-1,0,-1):
if len(chunkList[i]) == 0:
del chunkList[i]
return len(chunkList)
def chunkUpList(valueList,numOfBins):
## If the number of unique values in this list is too small, adjust
valueUnique = set(valueList)
if numOfBins > len(valueUnique): numOfBins = len(valueUnique)
minimumValue = min(valueList)
maximumValue = max(valueList)
numberOfValues = len(valueList)
#Compute Initial Value for ideal chunk size
idealChunk = int(round(float(numberOfValues)/float((numOfBins))))
## Create initial chunks
chunkList = [valueList[i:i+idealChunk] for i in range(0,len(valueList),idealChunk)]
## If this produces more chunks than needed, adjust the chunks
if len(chunkList) > numOfBins:
appendList = chunkList.pop()
for value in appendList:
chunkList[len(chunkList)-1].append(value)
## Put like values in the same chunks
beforeNumChunks = len(chunkList)
afterNumChunks = 0
while beforeNumChunks != afterNumChunks:
beforeNumChunks = len(chunkList)
afterNumChunks = compressList(chunkList)
## Return this tuple so that we can adjust our expectations
return (numOfBins,chunkList)
def computeBoundaries(valueList,numOfBins):
valueListSorted = sorted(valueList)
### Initial Chunks
(orgNumBins,chunkList) = chunkUpList(valueListSorted,numOfBins)
### Iterate until we get to the proper number of bins
while orgNumBins != len(chunkList):
reducedNumBins = orgNumBins - 1
newValueList = []
for chunk in chunkList[1:]:
for value in chunk:
newValueList.append(value)
(newNumBins,newChunkList) = chunkUpList(newValueList,reducedNumBins)
if newNumBins+1 < orgNumBins: orgNumBins = newNumBins + 1
chunkList = [chunkList[0]]
for chunk in newChunkList:
chunkList.append(chunk)
# Create and Return Boundaries (Joel would not approve of the fact that this is multple lines :))
boundaryList = []
boundaryList.append((chunkList[0][0],chunkList[0][len(chunkList[0])-1]))
for i in range(1,len(chunkList)):
boundaryList.append((chunkList[i-1][len(chunkList[i-1])-1]+1,chunkList[i][len(chunkList[i])-1]))
return boundaryList
def computeColors(colorStart,colorEnd,numberOfColors):
if isinstance(colorStart,str):
colorStart = aBGR(value=colorStart)
if isinstance(colorEnd,str):
colorEnd = aBGR(value=colorEnd)
colors = [colorStart]
colorDiff = colorEnd - colorStart
for i in range(1,numberOfColors-1):
alpha = colorStart.alpha + i*int(math.ceil(colorDiff[0]/(numberOfColors-1)))
blue = colorStart.blue + i*int(math.ceil(colorDiff[1]/(numberOfColors-1)))
green = colorStart.green + i*int(math.ceil(colorDiff[2]/(numberOfColors-1)))
red = colorStart.red + i*int(math.ceil(colorDiff[3]/(numberOfColors-1)))
if alpha < 0: alpha = 0
if blue < 0: blue = 0
if green < 0: green = 0
if red < 0: red = 0
colors.append(aBGR(alpha,blue,green,red))