Update pages/Vertbox.py

pages/Vertbox.py

@@ -13,6 +13,9 @@ def get_coordinate_systems():
     return {
         "EPSG:4326": "WGS 84",
         "EPSG:3857": "Web Mercator",
+        "EPSG:2154": "RGF93 / Lambert-93 (France)",
+        "EPSG:27572": "NTF (Paris) / Lambert zone II (France)",
+        "EPSG:25832": "ETRS89 / UTM zone 32N (Germany)",
     }
 
 def convert_coordinates(bbox, from_crs, to_crs):
@@ -21,21 +24,13 @@ def convert_coordinates(bbox, from_crs, to_crs):
     max_x, max_y = transformer.transform(bbox[2], bbox[3])
     return [min_x, min_y, max_x, max_y]
 
-# Styles CSS pour imiter bboxfinder.com
+# Styles CSS
 st.markdown("""
 <style>
-    .main {
-        padding-top: 0;
-    }
-    .stApp {
-        margin-top: -80px;
-    }
-    .css-1kyxreq {
-        justify-content: center;
-    }
-    .css-5rimss {
-        font-size: 14px;
-    }
+    .main { padding-top: 0; }
+    .stApp { margin-top: -80px; }
+    .css-1kyxreq { justify-content: center; }
+    .css-5rimss { font-size: 14px; }
 </style>
 """, unsafe_allow_html=True)
 
@@ -53,14 +48,14 @@ st.sidebar.info(
     "[LinkedIn](https://www.linkedin.com/in/yourprofile)"
 )
 
-# Layout principal
+# Main layout
 col1, col2 = st.columns([4, 1])
 
 with col1:
     st.title("Improved BBox Finder")
     
-    # Carte
-    m = leafmap.Map(center=[0, 0], zoom=2)
+    # Map
+    m = leafmap.Map(center=[46.2, 6.15], zoom=8)  # Centered on Geneva
     draw = Draw(
         export=True,
         position='topleft',
@@ -69,7 +64,7 @@ with col1:
     )
     draw.add_to(m)
 
-    # Script JavaScript pour gérer le dessin et la mise à jour des coordonnées
+    # JavaScript to handle drawing and coordinate updates
     m.add_child(folium.Element("""
     <script>
     var drawnItems = new L.FeatureGroup();
@@ -97,23 +92,30 @@ with col2:
     st.markdown("<h3 style='text-align: center;'>Coordinates</h3>", unsafe_allow_html=True)
     bbox_coords = st.text_input("", key="bbox_coords", label_visibility="collapsed")
     
+    # CRS selection
+    coordinate_systems = get_coordinate_systems()
+    selected_crs = st.selectbox("Select Coordinate Reference System", options=list(coordinate_systems.keys()), format_func=lambda x: f"{x} - {coordinate_systems[x]}")
+    
     if bbox_coords:
         try:
             bbox = [float(coord.strip()) for coord in bbox_coords.split(',')]
             if len(bbox) == 4:
-                coordinate_systems = get_coordinate_systems()
+                st.markdown(f"<b>Selected CRS: {selected_crs}</b>", unsafe_allow_html=True)
+                converted_bbox = convert_coordinates(bbox, "EPSG:4326", selected_crs)
+                result = f"{converted_bbox[0]:.6f},{converted_bbox[1]:.6f},{converted_bbox[2]:.6f},{converted_bbox[3]:.6f}"
+                st.code(result, language="plaintext")
+                if st.button(f"Copy {selected_crs}"):
+                    st.write(f"{selected_crs} coordinates copied!")
+
+                # Display in other common CRSs
+                st.markdown("<b>Other common CRSs:</b>", unsafe_allow_html=True)
                 for epsg, name in coordinate_systems.items():
-                    st.markdown(f"<b>{epsg} - {name}</b>", unsafe_allow_html=True)
-                    if epsg == "EPSG:4326":
-                        converted_bbox = bbox
-                    else:
+                    if epsg != selected_crs:
                         converted_bbox = convert_coordinates(bbox, "EPSG:4326", epsg)
-                    result = f"{converted_bbox[0]:.6f},{converted_bbox[1]:.6f},{converted_bbox[2]:.6f},{converted_bbox[3]:.6f}"
-                    st.code(result, language="plaintext")
-                    if st.button(f"Copy {epsg}", key=f"copy_{epsg}"):
-                        st.write(f"{epsg} copied!")
+                        result = f"{converted_bbox[0]:.6f},{converted_bbox[1]:.6f},{converted_bbox[2]:.6f},{converted_bbox[3]:.6f}"
+                        st.code(f"{epsg}: {result}", language="plaintext")
 
-                # Additional formats
+                # Additional formats (GeoJSON, WKT)
                 st.markdown("<b>GeoJSON</b>", unsafe_allow_html=True)
                 geojson = json.dumps({
                     "type": "Feature",