Add float arrays to streamlit sample

Signed-off-by: Joe Friedrichsen <[email protected]>

Author: jfriedri-ni

examples/sample/sample.py

@@ -1,5 +1,7 @@
 """This example demonstrates how to open/update a Streamlit application using nipanel package."""
 
+import itertools
+import math
 import pathlib
 
 import nipanel
@@ -17,6 +19,11 @@
 panel.set_value("sample_float", 3.14)
 panel.set_value("sample_bool", True)
 
+x_values = [float(x) for x in itertools.takewhile(lambda p: p < 2*math.pi, itertools.count(0, 0.05))]
+y_values = [math.sin(x) for x in x_values]
+panel.set_value("x_values", x_values)
+panel.set_value("y_values", y_values)
+
 input("Press Enter to close the panel...")
 
 panel.close_panel(reset=True)

examples/sample/sample_panel.py

@@ -1,5 +1,6 @@
 """Streamlit application script for displaying values using nipanel package."""
 
+import pandas as pd
 import streamlit as st
 
 import nipanel
@@ -15,9 +16,22 @@
     st.write("Integer")
     st.write("Float")
     st.write("Boolean")
+    st.write("Line")
 
 with col2:
     st.write(panel.get_value("sample_string"))
     st.write(panel.get_value("sample_int"))
     st.write(panel.get_value("sample_float"))
     st.write(panel.get_value("sample_bool"))
+    st.line_chart(
+        data = pd.DataFrame(
+            {
+                "x": panel.get_value("x_values"),
+                "y": panel.get_value("y_values"),
+            }
+        ),
+        x="x",
+        y="y",
+        x_label="x",
+        y_label="sin(x)",
+    )