def createDotplotFromLists(strList, idList, REQUEST):
"""Takes two lists - one for the texts and one containing the corresponding
ids for each text and computes the Dotplot image and returns it.
"""
if not strList or not idList:
REQUEST.RESPONSE.setHeader('Content-Type', 'text/html')
msg = 'createDotplotDirectCompare has failed.'\
'selectedResults: %s objects: %s assignments: &s'\
'strList: %s idList: %s' % (str(selectedResults), str(objects), str(assignments), str(strList), str(idList))
return REQUEST.RESPONSE.write(msg)
#compute image
image = PlagVisualizer().stringListToDotplot(strList, idList=idList)
imageData = StringIO()
image.save(imageData, 'JPEG')
REQUEST.RESPONSE.setHeader('Content-Type', 'image/jpeg')
return REQUEST.RESPONSE.write(imageData.getvalue())
def createIntensityHeatmap(self):
"""Creates a torc using the given results. Showing the similarity
relations between all suspected plagiarism pairs.
"""
#get REQUEST
REQUEST = self.REQUEST
#get PlagResults
session = REQUEST.SESSION
if session.has_key('results'):
results = session['results']
if results == []:
return None
#compute image
image = PlagVisualizer().resultsToIntensityHeatmap(results)
imageData = StringIO()
image.save(imageData, 'JPEG')
if not REQUEST:
REQUEST = self.REQUEST
REQUEST.RESPONSE.setHeader('Content-Type', 'image/jpeg')
return REQUEST.RESPONSE.write(imageData.getvalue())
