Create app.py

app.py

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+import streamlit as st
+import pydeck as pdk
+import numpy as np
+
+# Define a data set
+data = np.random.randn(1000, 2) * 0.1
+layer = pdk.Layer(
+    "ScatterplotLayer",
+    data=data,
+    get_position="[0, 1]",
+    get_color="[200, 30, 0, 160]",
+    get_radius=50,
+)
+
+# Define a Pydeck view state
+view_state = pdk.ViewState(latitude=37.7749, longitude=-122.4194, zoom=11)
+
+# Define Pydeck initial rendering options
+initial_options = pdk.Deck(
+    map_style="mapbox://styles/mapbox/dark-v9",
+    layers=[layer],
+    initial_view_state=view_state,
+)
+
+# Define the HTML template for the Three.js canvas
+html_template = """
+<div id="three-canvas-container"></div>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
+<script>
+var canvasContainer = document.getElementById("three-canvas-container");
+
+var camera = new THREE.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 0.1, 1000);
+camera.position.z = 5;
+
+var renderer = new THREE.WebGLRenderer({antialias: true});
+renderer.setSize(window.innerWidth, window.innerHeight);
+canvasContainer.appendChild(renderer.domElement);
+
+var geometry = new THREE.BoxGeometry(1, 1, 1);
+var material = new THREE.MeshBasicMaterial({color: 0x00ff00});
+var cube = new THREE.Mesh(geometry, material);
+scene.add(cube);
+
+function animate() {
+    requestAnimationFrame(animate);
+    cube.rotation.x += 0.01;
+    cube.rotation.y += 0.01;
+    renderer.render(scene, camera);
+}
+
+animate();
+</script>
+"""
+
+# Define the Streamlit app
+def app():
+    # Define a Pydeck map using a ScatterplotLayer
+    st.pydeck_chart(initial_options)
+
+    # Add a dropdown menu to select Pydeck layer types
+    layer_type = st.selectbox("Layer type", ["HexagonLayer", "HeatmapLayer", "ScatterplotLayer"])
+
+    # Add sliders to adjust the Pydeck layer properties
+    if layer_type == "HexagonLayer":
+        layer.radius = st.slider("Radius", 10, 100, 50)
+        layer.elevation_scale = st.slider("Elevation scale", 0, 10, 1)
+        layer.elevation_range = st.slider("Elevation range", 0, 1000, 100)
+        layer.pickable = st.checkbox("Pickable", True)
+        layer.auto_highlight = st.checkbox("Auto highlight", True)
+    elif layer_type == "HeatmapLayer":
+        layer.intensity = st.slider("Intensity", 0, 10, 1)
+        layer.radius = st.slider("Radius", 10, 100, 50)
+        layer.color_range = st.color_picker("Color range", ["#008000", "#FFFF00", "#FF0000"])
+        layer.opacity = st.slider("Opacity", 0, 1, 0.8)
+        layer.blend_mode = st.selectbox("Blend mode", ["additive", "multiply"])
+    elif layer_type == "ScatterplotLayer":
+        layer.get_position = "[0, 1, 2]"
+    layer.get_color = "[200, 30, 0, 160]"
+    layer.get_radius = st.slider("Radius", 10, 100, 50)
+
+# Add the updated Pydeck layer to the map
+st.pydeck_chart(pdk.Deck(layers=[layer], initial_view_state=view_state))
+
+# Add the Three.js canvas to the Streamlit app
+st.components.v1.html(html_template, height=500)
+
+if name == "main":
+app()
+
+# This app has a Pydeck map that displays a scatterplot layer by default, and it allows the user to switch between HexagonLayer, HeatmapLayer, and ScatterplotLayer using a dropdown menu. The user can also adjust the properties of the selected layer using sliders and color pickers. Finally, the app displays a Three.js canvas that rotates a green cube.