revert simple_graph changes

Author: Mike Prosser

examples/simple_graph/amplitude_enum.py

@@ -5,14 +5,15 @@
 from pathlib import Path
 
 import numpy as np
-from amplitude_enum import AmplitudeEnum
 
 import nipanel
 
 
 panel_script_path = Path(__file__).with_name("simple_graph_panel.py")
 panel = nipanel.create_panel(panel_script_path)
 
+amplitude = 1.0
+frequency = 1.0
 num_points = 100
 
 try:
@@ -21,19 +22,16 @@
 
     # Generate and update the sine wave data periodically
     while True:
-        amplitude = panel.get_value("amplitude", AmplitudeEnum.SMALL)
-        base_frequency = panel.get_value("base_frequency", 1.0)
-
-        # Slowly vary the total frequency for a more dynamic visualization
-        frequency = base_frequency + 0.5 * math.sin(time.time() / 5.0)
-
         time_points = np.linspace(0, num_points, num_points)
-        sine_values = amplitude.value * np.sin(frequency * time_points)
+        sine_values = amplitude * np.sin(frequency * time_points)
 
-        panel.set_value("frequency", frequency)
         panel.set_value("time_points", time_points.tolist())
         panel.set_value("sine_values", sine_values.tolist())
+        panel.set_value("amplitude", amplitude)
+        panel.set_value("frequency", frequency)
 
+        # Slowly vary the frequency for a more dynamic visualization
+        frequency = 1.0 + 0.5 * math.sin(time.time() / 5.0)
         time.sleep(0.1)
 
 except KeyboardInterrupt:

examples/simple_graph/simple_graph.py

@@ -1,32 +1,30 @@
 """A Streamlit visualization panel for the simple_graph.py example script."""
 
 import streamlit as st
-from amplitude_enum import AmplitudeEnum
 from streamlit_echarts import st_echarts
 
 import nipanel
 
 
 st.set_page_config(page_title="Simple Graph Example", page_icon="📈", layout="wide")
 st.title("Simple Graph Example")
-col1, col2, col3, col4, col5, col6 = st.columns(6)
 
 panel = nipanel.get_panel_accessor()
-frequency = panel.get_value("frequency", 0.0)
 time_points = panel.get_value("time_points", [0.0])
 sine_values = panel.get_value("sine_values", [0.0])
+amplitude = panel.get_value("amplitude", 1.0)
+frequency = panel.get_value("frequency", 1.0)
 
+col1, col2, col3, col4, col5 = st.columns(5)
 with col1:
-    nipanel.enum_selectbox(panel, label="Amplitude", value=AmplitudeEnum.MEDIUM, key="amplitude")
+    st.metric("Amplitude", f"{amplitude:.2f}")
 with col2:
-    st.number_input("Base Frequency", value=1.0, step=0.5, key="base_frequency")
-with col3:
     st.metric("Frequency", f"{frequency:.2f} Hz")
-with col4:
+with col3:
     st.metric("Min Value", f"{min(sine_values):.3f}")
-with col5:
+with col4:
     st.metric("Max Value", f"{max(sine_values):.3f}")
-with col6:
+with col5:
     st.metric("Data Points", len(sine_values))
 
 # Prepare data for echarts