Added hurricane app #46

app.py

@@ -11,6 +11,7 @@ from apps import (
     heatmap,
     home,
     housing,
+    hurricane,
     plotly_maps,
     raster,
     timelapse,
@@ -28,6 +29,7 @@ apps = MultiApp()
 
 apps.add_app("Home", home.app)
 apps.add_app("Create Timelapse", timelapse.app)
+apps.add_app("Hurricane Mapping", hurricane.app)
 apps.add_app("U.S. Real Estate Data", housing.app)
 apps.add_app("U.S. Census Data", census.app)
 apps.add_app("Visualize Raster Data", raster.app)

apps/hurricane.py

@@ -0,0 +1,51 @@
+import streamlit as st
+import tropycal.tracks as tracks
+
+
+@st.cache
+def read_data(basin='north_atlantic',source='hurdat',include_btk=False):
+    return tracks.TrackDataset(basin=basin,source=source,include_btk=include_btk)
+
+def app():
+
+    st.title("Hurricane Mapping")
+
+    row1_col1, row1_col2 = st.columns([3, 1])
+
+    with row1_col1:
+        empty = st.empty()
+        empty.image("https://i.imgur.com/Ec7qsR0.png")
+
+    with row1_col2:
+
+        checkbox = st.checkbox("Select from a list of hurricanes", value=False)
+        if checkbox:
+            if st.session_state.get('hurricane') is None:
+                st.session_state['hurricane'] = read_data()
+
+            years = st.slider('Select a year', min_value=1950, max_value=2022, value=(2000, 2010))
+            storms = st.session_state['hurricane'].filter_storms(year_range=years)
+            selected = st.selectbox('Select a storm', storms)
+            storm = st.session_state['hurricane'].get_storm(selected)
+            ax = storm.plot()
+            fig = ax.get_figure()
+            empty.pyplot(fig) 
+        else:           
+
+            name = st.text_input("Or enter a storm Name", "michael")
+            if name:
+                if st.session_state.get('hurricane') is None:
+                    st.session_state['hurricane'] = read_data()
+                basin = st.session_state['hurricane']
+                years = basin.search_name(name)
+                if len(years) > 0:
+                    year = st.selectbox("Select a year", years)
+                    storm = basin.get_storm((name,year))
+                    ax = storm.plot()
+                    fig = ax.get_figure()
+                    empty.pyplot(fig)
+                else:
+                    empty.text("No storms found")
+                    st.write("No storms found")
+
+    

requirements.txt

@@ -9,6 +9,7 @@ streamlit
 streamlit-folium
 streamlit-keplergl
 streamlit-bokeh-events
+tropycal
 # leafmap
 # geemap
 git+https://github.com/giswqs/leafmap