Source Code for Module madrona.staticmap.models

 1  from django.contrib.gis.db import models 
 2   
 3 -class MapConfig(models.Model): 
 4      """Model used for representing a map (ie a collection of styled map layers) 
 5   
 6          ======================  ============================================== 
 7          Attribute               Description 
 8          ======================  ============================================== 
 9   
10          ``mapname``             Name of the map. Will be refered to by URL so  
11                                  use http friendly names (no spaces, slashes, etc) 
12   
13          ``mapfile``             Mapnik xml configuration file that defines data  
14                                  sources and styles. All paths within xml must be  
15                                  relative to media/staticmap/ 
16   
17          ``default_x1``          LL X coordinate 
18   
19          ``default_y1``          LL Y coordinate 
20   
21          ``default_x2``          UR X coordinate 
22   
23          ``default_y2``          UR Y coordinate 
24   
25          ``default_width``       Default image width (pixels) 
26   
27          ``default_height``      Default image height (pixels) 
28          ======================  ============================================== 
29  """    
30   
31 -    def __unicode__(self): 
32          return u"%s" % (self.mapfile) 
33   
34      mapname = models.CharField(max_length=50,unique=True) 
35      mapfile = models.FileField(upload_to='staticmap/', help_text=""" 
36          Mapnik xml configuration file that defines data sources and styles.  
37          All paths within xml must be relative to media/staticmap/ 
38      """, blank=False, max_length=510) 
39      default_x1 = models.FloatField( 
40              help_text="Lower-left X coordinate of default map extent. Units and spatial reference system are defined in the mapnik xml.") 
41      default_y1 = models.FloatField( 
42              help_text="Lower-left Y coordinate of default map extent. Units and spatial reference system are defined in the mapnik xml.") 
43      default_x2 = models.FloatField( 
44              help_text="Upper-right X coordinate of default map extent. Units and spatial reference system are defined in the mapnik xml.") 
45      default_y2 = models.FloatField( 
46              help_text="Upper-right Y coordinate of default map extent. Units and spatial reference system are defined in the mapnik xml.") 
47      default_width = models.IntegerField(help_text="Default map image width in pixels") 
48      default_height = models.IntegerField(help_text="Default map image height in pixels") 
49      default_srid = models.IntegerField(help_text="Spatial Reference ID of the output map", default=4326) 
50