def top_tags(model_or_obj, num=10):
"""return top tags based on uses
cloud filer is quite similar to top_tags except
logarithmic scaling. However, it has been left as it is for future use!
"""
tag_uses = get_tag_uses()
if not(tag_uses):
return []
tag_uses.sort(reverse=True)
if num != 0:
tag_uses = tag_uses[:num]
out = []
Item = namedtuple('Item', 'slug tag score')
for score, pk in tag_uses:
tag = Tag.objects.get(id=pk)
out.append(Item(tag.slug, tag, int(score)))
return out
def cloud(model_or_obj, num=5):
""" Get a tag cloud """
tag_uses = get_tag_uses()
if not(tag_uses):
return []
tag_uses.sort(reverse=True)
if num != 0:
tag_uses = tag_uses[:num]
max_uses = max(tag_uses[0][0], 5)
min_uses = tag_uses[-1][0]
# Use a logarithmic scaling between 1.0 to 170% of baseline font size
# We could consider a logarithmic scale
min_font, max_font = 3, 6
slope = (max_font-min_font)/(max_uses - min_uses + 0.0)
intercept = min_font - slope * min_uses
out = []
Item = namedtuple('Item', 'slug tag score')
for score, pk in tag_uses:
tag = Tag.objects.get(id=pk)
out.append(Item(tag.slug, tag, int(log(slope*score + intercept)*100)-9))
out.sort()
return out
def cloud(model_or_obj, num=5):
""" Get a tag cloud """
tag_uses = get_tag_uses()
if not(tag_uses):
return []
tag_uses.sort(reverse=True)
if num != 0:
tag_uses = tag_uses[:num]
max_uses = max(tag_uses[0][0], 5)
min_uses = tag_uses[-1][0]
# Use a logarithmic scaling between 1.0 to 170% of baseline font size
# We could consider a logarithmic scale
min_font, max_font = 3, 6
slope = (max_font-min_font)/(max_uses - min_uses + 0.0)
intercept = min_font - slope * min_uses
out = []
Item = namedtuple('Item', 'slug tag score')
for score, pk in tag_uses:
tag = Tag.objects.get(id=pk)
out.append(Item(tag.slug, tag, int(log(slope*score + intercept)*100)-9))
out.sort()
return out
