Fix polyline being left open

templates/picture.html

@@ -42,7 +42,7 @@

                                
                                
                                
                            
                                
                                    
                                        
                                            42  
                                                                </svg>
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            43  
                                                            {% elif region.json.type == "polyline" %}
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            44  
                                                                <svg class="shape-container-viewonly" viewBox="0 0 {{ size[0] }} {{ size[1] }}">
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        45 -
                                                                <polyline points="{% for point in region.json.shape %}{{ point.x * size[0] }},{{ point.y * size[1] }} {% endfor %}" fill="none" class="shape-polyline shape">
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        45 +
                                                                <polyline points="{% for point in region.json.shape %}{{ point.x * size[0] }},{{ point.y * size[1] }} {% endfor %}" fill="none" class="shape-polyline shape"></polyline>
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            46  
                                                                    {# Median point #}
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            47  
                                                                    {% set centre_x = region.json.shape | map(attribute="x") | median %}
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            48  
                                                                    {% set centre_y = region.json.shape | map(attribute="y") | median %}