Update app.py

app.py

@@ -186,29 +186,35 @@ If you use this tool in your research, please cite <a href='https://arxiv.org/ab
 # (<a href='https://cxc.cfa.harvard.edu/ciao/ahelp/dmfilth.html'>dmfilth</a>). <br><br>\
         
 
-# _, col_1, col_2, col_3, _ = st.columns([bordersize, 2.0, 0.5, 0.5, bordersize])
+    _, col_1, col_2, _ = st.columns([bordersize, 2.5, 0.5, bordersize])
 
-# with col:
-    uploaded_file = st.file_uploader("Choose a FITS file", type=['fits'], on_change=reset_threshold)
-
-    # with col_2:
-    #     st.markdown("### Examples")
-    #     NGC4649 = st.button("NGC4649")
-
-    # with col_3:
-    #     st.markdown("""<style>[data-baseweb="select"] {margin-top: 26px;}</style>""", unsafe_allow_html=True)
-    #     NGC5813 = st.button("NGC5813")
-
-    # if NGC4649:
-    #     uploaded_file = "NGC4649_example.fits"
-    # elif NGC5813:
-    #     uploaded_file = "NGC5813_example.fits"
+    with col_1:
+        uploaded_file = st.file_uploader("Choose a FITS file", type=['fits'], on_change=reset_threshold)
+    
+    with col_2:
+        example = st.button("Examples")
+        
+        # with col_2:
+        #     st.markdown("### Examples")
+        #     NGC4649 = st.button("NGC4649")
+    
+        # with col_3:
+        #     st.markdown("""<style>[data-baseweb="select"] {margin-top: 26px;}</style>""", unsafe_allow_html=True)
+        #     NGC5813 = st.button("NGC5813")
+    
+        # if NGC4649:
+        #     uploaded_file = "NGC4649_example.fits"
+        # elif NGC5813:
+        #     uploaded_file = "NGC5813_example.fits"
 
     # If file is uploaded, read in the data and plot it
 if uploaded_file is not None:
     data, wcs = load_file(uploaded_file)
     os.system(f'mkdir -p {uploaded_file.name.strip(".fits")}')
 
+if example is not None:
+    data, wcs = load_file("NGC4649_example.fits")
+
 if "data" not in locals():
     data = np.zeros((128,128))