tb-sin.py

import tensorflow as tf
import os

sess = tf.Session()

x = tf.placeholder(tf.float32, shape=[])
y = tf.sin(x)
tf.summary.scalar('y', y)
merged = tf.summary.merge_all()
os.makedirs('/tmp/tf-sin', exist_ok=True)
writer = tf.summary.FileWriter("/tmp/tf-sin")
for i in range(1000):
    res = sess.run(merged, feed_dict={x: i * 0.01})
    writer.add_summary(res, i)