Mercurial > blahgd > experimental
changeset 1076:b8d7683ec05a default tip
sidebar: use a logarithmic tagcloud scaling
Instead of linearly scaling the tagcloud entries based on their counts, scale
it based on the 2 times the natural log of the count. This gives more weight
to lower count tags, making the whole cloud looking "denser".
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
| author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
|---|---|
| date | Fri, 28 Aug 2020 03:31:08 +0000 |
| parents | fd4337f68e43 |
| children | |
| files | sidebar.c |
| diffstat | 1 files changed, 3 insertions(+), 4 deletions(-) [+] |
line wrap: on
line diff
--- a/sidebar.c Thu Jul 30 16:53:56 2020 -0400 +++ b/sidebar.c Fri Aug 28 03:31:08 2020 +0000 @@ -45,11 +45,10 @@ if (count <= cmin) return config.tagcloud_min_size; - size = (config.tagcloud_max_size - config.tagcloud_min_size) * - (count - cmin); - size /= (float) (cmax - cmin); + size = 2 * log(count - cmin); - return ceil(config.tagcloud_min_size + size); + return MIN(ceil(config.tagcloud_min_size + size), + config.tagcloud_max_size); } static int __tagcloud_init(void *arg, unsigned long ntags)