class LayerLabel(models.Model):
layerMapOptions = models.ForeignKey(LayerMapOptions)
position = models.IntegerField(max_length=100, blank=True, null=True)
field = models.ForeignKey(Attribute)
filter = models.CharField(max_length=254, blank=True, null=True)
clip = models.BooleanField(default=False) #default to False in Mapnik 3
face_name = models.CharField(
max_length=254,
choices=FACE_NAME_CHOICES,
default='DejaVu Sans Book',
)
size = models.IntegerField(default=10)
fill = models.CharField('Text color', max_length=7, default='#000000')
halo_radius = models.IntegerField(default=0)
halo_fill = models.CharField('Halo Color', max_length=7, default='#ffffff')
halo_rasterizer = models.IntegerField(choices=HALO_RASTERIZER_CHOICES,
default=0)
opacity = models.FloatField(default=1)
character_spacing = models.FloatField(default=0)
line_spacing = models.FloatField(default=0)
text_ratio = models.FloatField(default=0)
text_transform = models.IntegerField(choices=TEXT_TRANSFORM_CHOICES,
default=0)
vertical_alignment = models.IntegerField(
choices=VERTICAL_ALIGNMENT_CHOICES, default=3)
horizontal_alignment = models.IntegerField(
choices=HORIZONTAL_ALIGNMENT_CHOICES, default=3)
justify_alignment = models.IntegerField(choices=JUSTIFY_ALIGNMENT_CHOICES,
default=3)
wrap_width = models.FloatField(default=0)
wrap_before = models.BooleanField(default=False)
wrap_character = models.CharField(max_length=1, blank=True, null=True)
orientation = models.FloatField(default=0)
rotate_displacement = models.BooleanField(default=True)
dx = models.FloatField(default=0)
dy = models.FloatField(default=0)
label_position_tolerance = models.IntegerField(default=0)
maximum_angle_char_delta = models.FloatField(default=22.5)
avoid_edges = models.BooleanField(default=False)
minimum_padding = models.FloatField(default=0)
minimum_distance = models.FloatField(default=0)
repeat_distance = models.FloatField(default=0)
allow_overlap = models.BooleanField(default=False)
label_placement = models.IntegerField(default=0,
choices=LABEL_PLACEMENT_CHOICES)
minimum_path_length = models.FloatField(default=0)
minScale = models.FloatField('Minimum scale denominator',
blank=True,
null=True)
maxScale = models.FloatField('Maximum scale denominator',
blank=True,
null=True)
def save(self, *args, **kwargs):
super(LayerLabel, self).save(*args, **kwargs)
self.layerMapOptions.basqui_map.date_updated = datetime.now()
self.layerMapOptions.basqui_map.save()
class LayerStyle(models.Model):
layerMapOptions = models.ForeignKey(LayerMapOptions)
position = models.IntegerField(max_length=100, blank=True, null=True)
filter = models.CharField(max_length=254, null=True, blank=True)
marker = models.ForeignKey(Marker, blank=True, null=True)
transform = models.CharField(max_length=254, null=True, blank=True)
allow_overlap = models.BooleanField(default=False)
spacing = models.FloatField(default=100, blank=True, null=True)
max_error = models.FloatField(
default=0.2,
blank=True,
null=True,
validators=[MinValueValidator(0),
MaxValueValidator(1)])
placement = models.IntegerField(default=0,
choices=MARKER_PLACEMENT_CHOICES)
ignore_placement = models.BooleanField(default=False)
stroke_offset = models.FloatField(default=0)
clip = models.BooleanField(default=False) #default to False in Mapnik 3
stroke_rasterizer = models.IntegerField(default=0,
choices=LINE_RASTERIZER_CHOICES)
stroke_color = models.CharField(max_length=7, default='#ffffff')
stroke_width = models.FloatField(default=1)
stroke_opacity = models.FloatField(
default=1, validators=[MinValueValidator(0),
MaxValueValidator(1)])
stroke_linejoin = models.IntegerField(choices=STROKE_LINEJOIN_CHOICES,
default=0)
stroke_linecap = models.IntegerField(choices=STROKE_LINECAP_CHOICES,
default=0)
dash_array = models.CharField(max_length=254, null=True, blank=True)
smooth = models.FloatField(
default=0, validators=[MinValueValidator(0),
MaxValueValidator(1)])
fill = models.CharField(max_length=7, default='#ffffff')
fill_opacity = models.FloatField(
default=1, validators=[MinValueValidator(0),
MaxValueValidator(1)])
gamma = models.FloatField(
default=1, validators=[MinValueValidator(0),
MaxValueValidator(1)])
gamma_method = models.IntegerField(default=0, choices=GAMMA_METHOD_CHOICES)
simplify_tolerance = models.FloatField(default=0,
validators=[MinValueValidator(0)])
#simplify_algorithm dans mapnik > v2.3
minScale = models.FloatField('Minimum scale denominator',
blank=True,
null=True)
maxScale = models.FloatField('Maximum scale denominator',
blank=True,
null=True)
def save(self, *args, **kwargs):
super(LayerStyle, self).save(*args, **kwargs)
self.layerMapOptions.basqui_map.date_updated = datetime.now()
self.layerMapOptions.basqui_map.save()
class LayerMapOptions(models.Model):
layer = models.ForeignKey(Shapefile)
basqui_map = models.ForeignKey(BasquiMap)
position = models.IntegerField(max_length=100, blank=True, null=True)
style_visible = models.BooleanField(default=True)
label_visible = models.BooleanField(default=True)
def save(self, *args, **kwargs):
super(LayerMapOptions, self).save(*args, **kwargs)
self.basqui_map.date_updated = datetime.now()
self.basqui_map.save()
def __unicode__(self):
return self.layer.name
class Feature(models.Model):
shapefile = models.ForeignKey(Shapefile)
id_relat = models.PositiveIntegerField(db_index=True)
geom_point = models.PointField(srid=3857, blank=True, null=True)
geom_multipoint = models.MultiPointField(srid=3857, blank=True, null=True)
geom_multilinestring = models.MultiLineStringField(srid=3857, blank=True, null=True)
geom_multipolygon = models.MultiPolygonField(srid=3857, blank=True, null=True)
geom_geometrycollection = models.GeometryCollectionField(srid=3857, blank=True, null=True)
attribute_value = hstore.DictionaryField(db_index=True)
objects = hstore.HStoreGeoManager()
@classmethod
def generate_id_relat(cls, self):
try:
# note: you could also implement 'lastest' which is more readable
return int(cls.objects.filter(shapefile=self.shapefile).order_by('-id')[0].id) + 1
except (IndexError, cls.DoesNotExist):
return 9999999
def clean(self):
if not self.id:
self.id_relat = self.generate_id_relat()
return super(Feature, self).clean()
def __unicode__(self):
return str(self.id)
def save(self, *args, **kwargs):
if self.id_relat is None:
self.id_relat = cal_id_relat(self.shapefile)
self.shapefile.date_updated = datetime.now()
self.shapefile.save()
super(Feature, self).save(*args, **kwargs)
class Marker(models.Model):
name = models.CharField(max_length=50)
category = models.CharField(max_length=50)
svg = models.FileField(upload_to=marker_path)
created_by = models.ForeignKey(User, blank=True, null=True)
def __unicode__(self):
return self.name
class WMS(models.Model):
alias = models.SlugField(max_length=50)
created_by = models.ForeignKey(User)
date_created = models.DateTimeField(auto_now_add=True)
date_updated = models.DateTimeField(auto_now=True)
srs = models.IntegerField(default= 900913, verbose_name='EPSG')
url = models.CharField(max_length=255)
class Meta:
unique_together = (('alias', 'created_by'),)
def __unicode__(self):
return self.alias
class MessageHistory(models.Model):
created_by = models.ForeignKey(User)
date_created = models.DateTimeField('date created', auto_now_add=True)
level = models.IntegerField('Priority level', default=0)
message = models.CharField('Message', max_length=255)
@classmethod
def create(cls, user, level, message):
message_instance = cls(created_by=user, level=level, message=message)
message_instance.save()
return message_instance
def get_absolute_url(self):
return 'http://127.0.0.1:8000/basqui/map/'
class WMSLayer(models.Model):
in_use = models.BooleanField(default=False)
layer_name = models.CharField('layer name', max_length=50)
position = models.IntegerField(max_length=100)
wms = models.ForeignKey(WMS)
class Meta:
unique_together = (('layer_name', 'wms'),)
def __unicode__(self):
return self.wms.alias,self.layer_name
def save(self, *args, **kwargs):
super(WMSLayer, self).save(*args, **kwargs)
self.wms.date_updated = datetime.now()
self.wms.save()
class Attribute(models.Model):
shapefile = models.ForeignKey(Shapefile)
name = models.CharField(max_length=80, db_index=True)
type = models.CharField(max_length=255)
width = models.IntegerField(default=0, validators = [MinValueValidator(0), MaxValueValidator(254)])
precision = models.IntegerField(default=0, validators = [MinValueValidator(0), MaxValueValidator(15)])
def __unicode__(self):
return self.name
def save(self, *args, **kwargs):
super(Attribute, self).save(*args, **kwargs)
self.shapefile.date_updated = datetime.now()
self.shapefile.save()
def delete(self):
feature_selected = Feature.objects.filter(shapefile=self.shapefile,attribute_value__contains=[self.name]).hremove('attribute_value', self.name)
super(Attribute, self).delete()
class Meta:
unique_together = (('name', 'shapefile'),)
class LabelFont(models.Model):
face_name = models.CharField(max_length=256)
created_by = models.ForeignKey(User)
def __unicode__(self):
return self.face_name