import tensorflow as tf with tf.name_scope("Adder"): a = tf.placeholder(dtype=tf.float32, name="a") b = tf.constant(5.0, dtype=tf.float32, name="b") c = tf.add(a, b, name = "c") c_summary = tf.summary.scalar("c", c) sess = tf.Session() logdir = "./logs/one" print("log directory", logdir) summary_obj = tf.summary.FileWriter(logdir, graph = sess.graph) sess.run(tf.global_variables_initializer()) for i in range(20): summary_result = sess.run(c_summary, {a: 800*i} ) summary_obj.add_summary(summary_result, i) #print('result', result) # tensorboard --logdir logs # http://scs.ryerson.ca/~aharley/vis/conv/flat.html