te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>colorbar - pcolormesh color bar customed ticks position - Stack Overflow

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    colorbar - pcolormesh color bar customed ticks position - Stack Overflow

    programmeradmin4浏览0评论

    It seems pcolormesh have a different way of handling colorbar tick position and label than other Python tools. I can't get my labels at the desired position : centered by color segment (see image: current rendering where the ticks are misaligned).

    # Add a colorbar with commune names
cbar = plt.colorbar(mesh, ax=ax, ticks=np.arange(1, len(commune_names) + 1))

# Set the tick labels to the commune names
cbar.set_ticklabels(commune_names)

    I tested many things, also using AI, but couldn't figure it out.

    
# Add a colorbar with commune names
cbar = plt.colorbar(mesh, ax=ax)

# Set up tick labels and positions
k = len(commune_names)
labels = np.arange(1, k + 1)  # Commune IDs, from 1 to k
loc = labels - 0.5  # Shift ticks by 0.5 to center them in the color segments

# Set the ticks and labels
cbar.set_ticks(loc)
cbar.set_ticklabels(commune_names)

# Adjust the tick size (optional)
cbar.ax.tick_params(labelsize=10)

    Thanks for your help.

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