def fews_symbol_name(
jdbc_source, filterkey, locationkey, parameterkey, nodata=False,
styles=None, lookup=None):
"""
Find fews symbol name.
Copied from lizard_fewsunblobbed.
"""
# determine icon layout by looking at filter.id
# style_name = 'adf'
# if str(filterkey) in LAYER_STYLES:
# icon_style = copy.deepcopy(LAYER_STYLES[str(filterkey)])
# else:
# icon_style = copy.deepcopy(LAYER_STYLES['default'])
style_name, icon_style = IconStyle.style(
jdbc_source, filterkey, locationkey, parameterkey, styles, lookup)
#make icon grey
if nodata:
icon_style['color'] = (0.9, 0.9, 0.9, 0)
# apply icon layout using symbol manager
symbol_manager = SymbolManager(
ICON_ORIGINALS,
os.path.join(settings.MEDIA_ROOT, 'generated_icons'))
output_filename = symbol_manager.get_symbol_transformed(
icon_style['icon'], **icon_style)
return style_name, output_filename
def fews_symbol_name(jdbc_source, filterkey, locationkey, parameterkey,
nodata=False, styles=None, lookup=None):
"""
Find fews symbol name.
Copied from lizard_fewsunblobbed.
"""
if isinstance(jdbc_source, JdbcSource):
style_name, icon_style = IconStyle.style(
jdbc_source, filterkey, locationkey, parameterkey, styles, lookup)
else:
style_name, icon_style = IconStyleWebRS.style(
jdbc_source, filterkey, locationkey, parameterkey, styles, lookup)
#make icon grey
if nodata:
icon_style['color'] = (0.9, 0.9, 0.9, 0)
# apply icon layout using symbol manager
symbol_manager = SymbolManager(
ICON_ORIGINALS,
os.path.join(settings.MEDIA_ROOT, 'generated_icons'))
output_filename = symbol_manager.get_symbol_transformed(
icon_style['icon'], **icon_style)
return style_name, output_filename
def test_empty(self):
"""Do not crash when no iconstyles are available, just return default.
"""
expected = (
'::::::',
{'icon': 'meetpuntPeil.png', 'mask': ('meetpuntPeil_mask.png', ),
'color': (0.0, 0.5, 1.0, 1.0)})
jdbc_source = JdbcSource.objects.all()[0]
self.assertEqual(
IconStyle.style(jdbc_source, 'filterx', 'loc1', 'par1'),
expected)
def test_styles(self):
"""See if styles() output correspond to database contents.
"""
IconStyle(jdbc_source=None,
fews_filter='', fews_location='', fews_parameter='',
icon='icon.png', mask='mask.png', color='ff00ff').save()
expected = {
'::::::':
{'icon': 'icon.png', 'mask': ('mask.png', ),
'color': (1.0, 0.0, 1.0, 1.0)}}
self.assertEqual(IconStyle._styles(), expected)
def layer(self, layer_ids=None, webcolor=None, request=None):
"""Return layer and styles that render points.
"""
layers = []
styles = {}
layer = mapnik.Layer("FEWS JDBC points layer", coordinates.WGS84)
layer.datasource = mapnik.PointDatasource()
try:
named_locations = self._locations()
except FewsJdbcQueryError:
logger.exception('Problem querying locations from jdbc2ei.')
return [], {}
fews_styles, fews_style_lookup = IconStyle._styles_lookup()
logger.debug("Number of point objects: %d" % len(named_locations))
for named_location in named_locations:
#logger.debug('layer coordinates %s %s %s' % (
# named_location['locationid'],
# named_location['longitude'],
# named_location['latitude']))
point_style_name, point_style = fews_point_style(
self.jdbc_source,
self.filterkey,
named_location['locationid'],
self.parameterkey,
nodata=False,
styles=fews_styles,
lookup=fews_style_lookup)
# Put style in point, filters work on these styles.
add_datasource_point(
layer.datasource, named_location['longitude'],
named_location['latitude'], 'style', str(point_style_name))
# generate "unique" point style name and append to layer
# if the same style occurs multiple times, it will overwrite old.
style_name = str("Lizard-FewsJdbc::%s" % (point_style_name))
styles[style_name] = point_style
# Add all style names to the layer styles.
for style_name in styles.keys():
layer.styles.append(style_name)
layers = [layer, ]
return layers, styles
def test_not_found(self):
"""Do not crash when corresponding iconstyle is notavailable,
just return default.
"""
IconStyle(jdbc_source=None,
fews_filter='filter1', fews_location='', fews_parameter='',
icon='filter1.png', mask='mask.png', color='00ffff').save()
expected = (
'::::::',
{'icon': 'meetpuntPeil.png', 'mask': ('meetpuntPeil_mask.png', ),
'color': (0.0, 0.5, 1.0, 1.0)})
jdbc_source = JdbcSource.objects.all()[0]
self.assertEqual(
IconStyle.style(jdbc_source, 'filterx', 'loc1', 'par1'),
expected)
def test_lookup(self):
IconStyle(jdbc_source=None,
fews_filter='', fews_location='', fews_parameter='',
icon='icon.png', mask='mask.png',
color='ff00ff').save()
IconStyle(jdbc_source=None,
fews_filter='filter1', fews_location='', fews_parameter='',
icon='filter1.png', mask='mask.png', color='ff00ff').save()
IconStyle(jdbc_source=None,
fews_filter='', fews_location='loc1',
fews_parameter='par1',
icon='loc1par1.png', mask='mask.png', color='00ffff').save()
IconStyle(jdbc_source=None,
fews_filter='', fews_location='loc1',
fews_parameter='',
icon='loc1.png', mask='mask.png', color='00ffff').save()
expected = {
# Level0: jdbc_source_id
None: {
# Level1: fews_filter
None: {
# Level2: fews_location
None: {
# Level3: fews_parameter
None: '::::::'
},
'loc1': {
# Level3: fews_parameter
None: '::::loc1::',
'par1': '::::loc1::par1'
}
},
'filter1': {
# Level2: fews_location
None: {
# Level3: fews_parameter
None: '::filter1::::'
}
}
}
}
self.assertEqual(IconStyle._lookup(), expected)
def test_style(self):
"""See if style() output correspond to expected lookup.
"""
IconStyle(jdbc_source=None,
fews_filter='', fews_location='', fews_parameter='',
icon='icon.png', mask='mask.png', color='ff00ff').save()
IconStyle(jdbc_source=None,
fews_filter='filter1', fews_location='', fews_parameter='',
icon='filter1.png', mask='mask.png', color='00ffff').save()
IconStyle(jdbc_source=None,
fews_filter='', fews_location='par1', fews_parameter='',
icon='par1.png', mask='mask.png', color='00ffff').save()
IconStyle(jdbc_source=None,
fews_filter='filter1', fews_location='loc1',
fews_parameter='',
icon='loc1.png', mask='mask.png', color='00ffff').save()
IconStyle(jdbc_source=None,
fews_filter='filter1', fews_location='loc1',
fews_parameter='par1',
icon='par1.png', mask='mask.png', color='00ffff').save()
IconStyle(jdbc_source=None,
fews_filter='', fews_location='loc1',
fews_parameter='par1',
icon='loc1par1.png', mask='mask.png', color='00ffff').save()
jdbc_source = JdbcSource.objects.all()[0]
expected1 = (
'::::::',
{'icon': 'icon.png', 'mask': ('mask.png', ),
'color': (1.0, 0.0, 1.0, 1.0)})
self.assertEqual(
IconStyle.style(jdbc_source, 'filterx', 'locy', 'parz'),
expected1)
self.assertEqual(
IconStyle.style(jdbc_source, 'filterx', 'locy', 'parz',
ignore_cache=True),
expected1)
expected2 = (
'::filter1::::',
{'icon': 'filter1.png', 'mask': ('mask.png', ),
'color': (0.0, 1.0, 1.0, 1.0)})
self.assertEqual(
IconStyle.style(jdbc_source, 'filter1', 'l', 'p'),
expected2)
self.assertEqual(
IconStyle.style(jdbc_source, 'filter1', 'l', 'p',
ignore_cache=True),
expected2)
expected3 = (
'::filter1::loc1::',
{'icon': 'loc1.png', 'mask': ('mask.png', ),
'color': (0.0, 1.0, 1.0, 1.0)})
self.assertEqual(
IconStyle.style(jdbc_source, 'filter1', 'loc1', 'p'),
expected3)
expected4 = (
'::filter1::loc1::par1',
{'icon': 'par1.png', 'mask': ('mask.png', ),
'color': (0.0, 1.0, 1.0, 1.0)})
self.assertEqual(
IconStyle.style(jdbc_source, 'filter1', 'loc1', 'par1'),
expected4)
expected5 = (
'::::loc1::par1',
{'icon': 'loc1par1.png', 'mask': ('mask.png', ),
'color': (0.0, 1.0, 1.0, 1.0)})
self.assertEqual(
IconStyle.style(jdbc_source, 'filterx', 'loc1', 'par1'),
expected5)
