Added new 'export SVG' functionality which creates a static SVG image of your current selected run

jogging_dashboard_browser_app.py

@@ -25,6 +25,9 @@ from scipy.interpolate import interp1d
 import gpxpy
 from fitparse import FitFile
 
+from xml.etree.ElementTree import Element, SubElement, tostring
+import xml.etree.ElementTree as ET
+
 # === Helper Functions ===
 def list_files():
     """
@@ -497,6 +500,169 @@ def create_info_banner(df):
     return info_banner
   
 
+# =============================================================================
+# EXPORT SUMMARY IMAGE (SVG)
+# =============================================================================
+def create_strava_style_svg(df, total_distance_km=None, total_time=None, avg_pace=None,
+                           width=800, height=600, padding=50):
+    """
+    Erstellt ein STRAVA-style SVG mit transparentem Hintergrund
+    """
+
+    # SVG Root Element
+    svg = Element('svg')
+    svg.set('width', str(width))
+    svg.set('height', str(height))
+    svg.set('xmlns', 'http://www.w3.org/2000/svg')
+    svg.set('style', 'background: transparent;')
+
+    # Route-Bereich (links 60% der Breite)
+    route_width = width * 0.6
+    route_height = height - 2 * padding
+
+    # Koordinaten normalisieren für den Route-Bereich
+    lats = df['lat'].values
+    lons = df['lon'].values
+
+    # Bounding Box der Route
+    lat_min, lat_max = lats.min(), lats.max()
+    lon_min, lon_max = lons.min(), lons.max()
+
+    # Aspect Ratio beibehalten
+    lat_range = lat_max - lat_min
+    lon_range = lon_max - lon_min
+
+    if lat_range == 0 or lon_range == 0:
+        raise ValueError("Route hat keine Variation in Koordinaten")
+
+    # Skalierung berechnen
+    scale_x = (route_width - 2 * padding) / lon_range
+    scale_y = (route_height - 2 * padding) / lat_range
+
+    # Einheitliche Skalierung für korrekte Proportionen
+    scale = min(scale_x, scale_y)
+
+    # Zentrieren
+    center_x = route_width / 2
+    center_y = height / 2
+
+    # Route-Pfad erstellen
+    path_data = []
+    for i, (lat, lon) in enumerate(zip(lats, lons)):
+        # Koordinaten transformieren (Y-Achse umkehren für SVG)
+        x = center_x + (lon - (lon_min + lon_max) / 2) * scale
+        y = center_y - (lat - (lat_min + lat_max) / 2) * scale
+
+        if i == 0:
+            path_data.append(f"M {x:.2f} {y:.2f}")
+        else:
+            path_data.append(f"L {x:.2f} {y:.2f}")
+
+    # Route-Pfad zum SVG hinzufügen
+    route_path = SubElement(svg, 'path')
+    route_path.set('d', ' '.join(path_data))
+    route_path.set('stroke', '#ff6909')  # Deine Routenfarbe
+    route_path.set('stroke-width', '4')
+    route_path.set('fill', 'none')
+    route_path.set('stroke-linecap', 'round')
+    route_path.set('stroke-linejoin', 'round')
+
+    # Start-Punkt (grün)
+    start_x = center_x + (lons[0] - (lon_min + lon_max) / 2) * scale
+    start_y = center_y - (lats[0] - (lat_min + lat_max) / 2) * scale
+    start_circle = SubElement(svg, 'circle')
+    start_circle.set('cx', str(start_x))
+    start_circle.set('cy', str(start_y))
+    start_circle.set('r', '8')
+    start_circle.set('fill', '#4CAF50')  # Grün
+    start_circle.set('stroke', 'white')
+    start_circle.set('stroke-width', '2')
+
+    # End-Punkt (rot)
+    end_x = center_x + (lons[-1] - (lon_min + lon_max) / 2) * scale
+    end_y = center_y - (lats[-1] - (lat_min + lat_max) / 2) * scale
+    end_circle = SubElement(svg, 'circle')
+    end_circle.set('cx', str(end_x))
+    end_circle.set('cy', str(end_y))
+    end_circle.set('r', '8')
+    end_circle.set('fill', '#f44336')  # Rot
+    end_circle.set('stroke', 'white')
+    end_circle.set('stroke-width', '2')
+
+    # Stats-Bereich (rechts 40% der Breite)
+    stats_x = route_width + padding
+    stats_y_start = padding + 50
+
+    ## Hintergrund für Stats (optional, semi-transparent - SCHWARZE BOX)
+    #stats_bg = SubElement(svg, 'rect')
+    #stats_bg.set('x', str(stats_x - 20))
+    #stats_bg.set('y', str(stats_y_start - 30))
+    #stats_bg.set('width', str(width * 0.35))
+    #stats_bg.set('height', str(250))
+    #stats_bg.set('fill', 'rgba(0,0,0,0.7)')
+    #stats_bg.set('rx', '10')
+
+    # Stats-Text hinzufügen
+    stats = [
+        ("TOTAL DISTANCE", f"{total_distance_km:.1f} km" if total_distance_km else "N/A"),
+        ("TOTAL TIME", total_time or "N/A"),
+        ("AVERAGE PACE", avg_pace or "N/A")
+    ]
+
+    for i, (label, value) in enumerate(stats):
+        y_pos = stats_y_start + i * 70
+
+        # Label (kleinere Schrift, grau)
+        label_text = SubElement(svg, 'text')
+        label_text.set('x', str(stats_x))
+        label_text.set('y', str(y_pos))
+        label_text.set('font-family', 'Arial, sans-serif')
+        label_text.set('font-size', '14')
+        label_text.set('font-weight', 'bold')
+        label_text.set('fill', '#000000')       # TEXTFARBE  #333333
+        label_text.text = label
+
+        # Wert (größere Schrift, weiß)
+        value_text = SubElement(svg, 'text')
+        value_text.set('x', str(stats_x))
+        value_text.set('y', str(y_pos + 25))
+        value_text.set('font-family', 'Arial, sans-serif')
+        value_text.set('font-size', '24')
+        value_text.set('font-weight', 'bold')
+        value_text.set('fill', 'white')          # TEXTFARBE
+        value_text.text = value
+
+    return svg
+
+def save_svg(svg_element, filename="run_overlay.svg"):
+    """SVG als Datei speichern"""
+    rough_string = tostring(svg_element, 'unicode')
+
+    # Formatierung verbessern
+    dom = ET.fromstring(rough_string)
+    ET.indent(dom, space="  ", level=0)
+
+    with open(filename, 'w') as f:
+        f.write('<?xml version="1.0" encoding="UTF-8"?>\n')
+        f.write(ET.tostring(dom, encoding='unicode'))
+
+    print(f"SVG saved as {filename}")
+
+def calculate_pace(distance_km, total_seconds):
+    """
+    Berechnet das Durchschnittstempo in min/km Format
+    """
+    if distance_km == 0:
+        return "0:00 /km"
+
+    pace_seconds_per_km = total_seconds / distance_km
+    pace_minutes = int(pace_seconds_per_km // 60)
+    pace_seconds = int(pace_seconds_per_km % 60)
+
+    return f"{pace_minutes}:{pace_seconds:02d} /km"
+
+
+
 # =============================================================================
 # START OF THE PLOTS
 # =============================================================================
@@ -703,7 +869,7 @@ def create_elevation_plot(df, smooth_points=500):
 
     return fig
 
-# Alte Version - normaler gradient fill between:
+# Alte Version - normaler fill between:
 # def create_elevation_plot(df, smooth_points=500):
 #     # Originale Daten
 #     x = df['time']
@@ -1140,17 +1306,59 @@ app.layout = html.Div([
     html.H1("Jogging Dashboard", style={'textAlign': 'center'}),
     dcc.Store(id='stored-df'),
 
+    # Horizontales Layout für Dropdown und Button
     html.Div([
-        html.Label("Datei wählen:", style={'color': 'white'}),
+        # Linke Seite: Datei-Dropdown
+        html.Div([
+            html.Label("Datei wählen:", style={'color': '#aaaaaa', 'marginBottom': '5px'}),
             dcc.Dropdown(
                 id='file-dropdown',
                 options=list_files(),
-            value=list_files()[0]['value'],  # immer gültig
+                value=list_files()[0]['value'],
                 clearable=False,
                 style={'width': '300px', 'color': 'black'}
             )
-    ], style={'padding': '20px', 'backgroundColor': '#1e1e1e'}),
+        ], style={'display': 'flex', 'flexDirection': 'column'}),
 
+        # Rechte Seite: Export Button
+        html.Div([
+            html.Label("Export SVG:",
+                       style={'color': '#aaaaaa', 'marginBottom': '8px'}),
+            html.Button(
+                [
+                    html.I(className="fas fa-download"),
+                    "Summary Image"
+                ],
+                id='export-button',
+                style={
+                    'backgroundColor': '#007bff',
+                    'border': 'none',
+                    'color': 'white',
+                    'padding': '10px 12px',
+                    'borderRadius': '5px',
+                    'fontSize': '14px',
+                    'cursor': 'pointer',
+                    'display': 'flex',
+                    'alignItems': 'center',
+                    'justifyContent': 'center',
+                    'gap': '5px'
+                }
+            )
+        ], style={'display': 'flex', 'flexDirection': 'column', 'alignItems': 'flex-end'})
+
+    ], style={
+        'padding': '20px',
+        'backgroundColor': '#1e1e1e',
+        'display': 'flex',
+        'justifyContent': 'space-between',  # Dropdown links, Button rechts
+        'alignItems': 'flex-end',           # Beide Elemente unten ausrichten
+        'minHeight': '80px'                 # Mindesthöhe für konsistentes Layout
+    }),
+
+    # Export Status
+    html.Div(id='export-status', children="", style={'padding': '0 20px'}),
+
+    # Rest deines Layouts
     html.Div(id='info-banner'),
     dcc.Graph(id='fig-map'),
     dcc.Graph(id='fig-elevation'),
@@ -1185,7 +1393,6 @@ def load_data(selected_file):                   # Dateipfad der ausgewählten Da
 )
 def update_all_plots(json_data):
     df = pd.read_json(io.StringIO(json_data), orient='split')
-
     info = create_info_banner(df)
     fig_map = create_map_plot(df)
     fig_elev = create_elevation_plot(df)
@@ -1196,8 +1403,70 @@ def update_all_plots(json_data):
 
     return info, fig_map, fig_elev, fig_dev, fig_speed, fig_hr, fig_pace
 
+# Callback 3: Export SVG
+@app.callback(
+    Output('export-status', 'children'),
+    Input('export-button', 'n_clicks'),
+    State('stored-df', 'data'),
+    State('file-dropdown', 'value'),
+    prevent_initial_call=True
+)
+def export_summary_image(n_clicks, json_data, selected_file):
+    if n_clicks and json_data and selected_file:
+        try:
+            print(f"Export wurde geklickt für Datei: {selected_file}")
 
-# Callback 3: Hover → update only hover (dynamic) marker
+            # DataFrame aus bereits geladenen Daten erstellen
+            df = pd.read_json(io.StringIO(json_data), orient='split')
+
+            if df.empty:
+                return html.Div("Export fehlgeschlagen: Keine Daten verfügbar",
+                              style={'color': 'red', 'fontSize': '12px'})
+
+            # Statistiken berechnen (gleich wie im Info-Banner)
+            total_distance_km = df['cum_dist_km'].iloc[-1] if 'cum_dist_km' in df.columns else 0
+            total_time_str = df['duration_hms'].iloc[-1] if 'duration_hms' in df.columns else "00:00:00"
+            total_seconds = df['time_diff_sec'].iloc[-1] if 'time_diff_sec' in df.columns else 0
+
+            # Pace berechnen
+            avg_pace = calculate_pace(total_distance_km, total_seconds)
+
+            # Output-Dateiname
+            base_name = os.path.splitext(os.path.basename(selected_file))[0]
+            output_filename = f"{base_name}_overlay.svg"
+
+            print(f"Stats - Distance: {total_distance_km:.1f}km, Time: {total_time_str}, Pace: {avg_pace}")
+
+            # SVG erstellen
+            svg = create_strava_style_svg(
+                df=df,
+                total_distance_km=total_distance_km,
+                total_time=total_time_str,
+                avg_pace=avg_pace,
+                width=800,
+                height=600
+            )
+
+            # SVG speichern
+            save_svg(svg, output_filename)
+
+            return html.Div(
+                f"Export erfolgreich! Datei: {output_filename}",
+                style={'color': 'green', 'fontSize': '12px', 'marginTop': '5px'}
+            )
+
+        except Exception as e:
+            print(f"Export-Fehler: {str(e)}")
+            return html.Div(
+                f"Export fehlgeschlagen: {str(e)}",
+                style={'color': 'red', 'fontSize': '12px', 'marginTop': '5px'}
+            )
+
+    return ""
+
+
+
+# Callback 4: Hover → update only hover (dynamic) marker
 @app.callback(
     Output('fig-map', 'figure'),
     Input('fig-elevation', 'hoverData'),