def show(self,**kwargs):
""" show Ezone
Parameters
----------
title : string
xlabel : string
ylabel : string
height : boolean
display dem if True
bldg : boolean
display building if True
coord : string
'lonlat'| 'cartesian'
source: string
'srtm' | 'aster'
extent : [lonmin,lomax,latmin,latmax]
Returns
-------
fig,ax
Notes
-----
If height is False the DEM is not displayed.
If extent is a void list all the tile is displayed
"""
defaults = {'title':'',
'xlabel':'Longitude',
'ylabel':'Latitude',
'figsize':(10,10),
'height':True,
'bldg':False,
'clim':(0,200),
'coord':'lonlat',
'extent':[],
'contour':False,
'source':'srtm',
'alpha':0.5,
'facecolor':'black',
'cmap':plt.cm.jet
}
divider = []
for k in defaults:
if k not in kwargs:
kwargs[k]=defaults[k]
if 'fig' in kwargs:
fig = kwargs['fig']
else:
fig = plt.figure(figsize=kwargs['figsize'])
if 'ax' in kwargs:
ax = kwargs['ax']
else:
ax = fig.add_subplot(111)
# get zone limitation
# lon,lat or cartesian
if kwargs['extent']==[]:
if kwargs['coord']=='lonlat':
extent = self.extent
if kwargs['coord']=='cartesian':
extent_c = self.extent_c
else:
if kwargs['coord']=='cartesian':
extent_c = kwargs['extent']
extent = conv(extent_c,self.m,mode='toll')
if kwargs['coord']=='lonlat':
extent = kwargs['extent']
# ploting buildings with collection of polygons
#
if kwargs['coord'] == 'cartesian':
kwargs['xlabel'] = 'W-E Distance (meters)'
kwargs['ylabel'] = 'N-S Distance (meters)'
if kwargs['title']=='':
kwargs['title'] = self.prefix
ax.set_title(kwargs['title'])
ax.set_xlabel(kwargs['xlabel'])
ax.set_ylabel(kwargs['ylabel'])
if (kwargs['height'] | kwargs['contour']):
if kwargs['source']=='srtm':
shaphgt = self.hgts.shape
else:
shaphgt = self.hgta.shape
# full original x and y
#
if kwargs['coord']=='lonlat':
if kwargs['source']=='srtm':
x = np.linspace(self.extent[0],self.extent[1],1201)
# warning the y axis is inversed
y = np.linspace(self.extent[3],self.extent[2],1201)
hgt = self.hgts
else:
x = np.linspace(self.extent[0],self.extent[1],3601)
y = np.linspace(self.extent[3],self.extent[2],3601)
hgt = self.hgta
if kwargs['coord']=='cartesian':
self.tocart(source=kwargs['coord'])
if kwargs['source']=='srtm':
x = np.linspace(self.extent_c[0],self.extent_c[1],1201)
y = np.linspace(self.extent_c[3],self.extent_c[2],1201)
hgt = self.hgts_cart
else:
x = np.linspace(self.extent_c[0],extent_c[1],3601)
y = np.linspace(self.extent_c[3],extent_c[2],3601)
hgt = self.hgta_cart
extent = extent_c
# get index corresponding to the selected zone
ix = np.where((x>=extent[0]) & (x<=extent[1]))[0]
iy = np.where((y>=extent[2]) & (y<=extent[3]))[0]
if kwargs['height']:
im = ax.imshow(hgt[iy[0]:(iy[-1]+1),ix[0]:(ix[-1]+1)],
extent=extent,clim=kwargs['clim'],cmap=kwargs['cmap'],alpha=kwargs['alpha'])
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
cb = fig.colorbar(im,cax)
cb.set_label('Height (meters)')
if kwargs['contour']:
cnt = ax.contour(hgt[iy[0]:(iy[-1]+1),ix[0]:(ix[-1]+1)],N=10,extent=extent,origin='upper')
# display buildings
if kwargs['bldg']:
# get subtiles corresponding to extent
if kwargs['coord']=='cartesian':
extent = conv(extent_c,self.m,mode='toll')
ltiles = ext2qt(extent,self.lL0)
# iterating over subtiles
for ti in ltiles:
if ti in self.dbldg.keys():
info = self.dbldg[ti][0]
poly = self.dbldg[ti][1]
if kwargs['coord']=='cartesian':
tu = map(lambda x : self.m(x[:,0],x[:,1]),poly)
poly = map(lambda x : np.vstack((x[0],x[1])).T,tu)
if kwargs['height']:
fig,ax = plu.polycol(poly,
clim = kwargs['clim'],
facecolor=kwargs['facecolor'],
fig=fig,ax=ax)
else:
fig,ax = plu.polycol(poly,info[:,3],
clim = kwargs['clim'],
fig=fig,
ax=ax)
return(fig,ax,divider)
def show(self,**kwargs):
""" show Ezone
Parameters
----------
title : string
xlabel : string
ylabel : string
height : boolean
display dem if True
bldg : boolean
display building if True
coord : string
'lonlat'| 'cartesian'
source: string
'srtm' | 'aster'
extent : [lonmin,lomax,latmin,latmax]
Returns
-------
fig,ax
Notes
-----
If height is False the DEM is not displayed.
If extent is a void list all the tile is displayed
"""
defaults = {'title':'',
'xlabel':'Longitude',
'ylabel':'Latitude',
'figsize':(10,10),
'height':True,
'bldg':False,
'clim':(0,200),
'coord':'lonlat',
'extent':[],
'contour':False,
'source':'srtm',
'alpha':0.5,
'facecolor':'black',
'cmap':plt.cm.jet
}
divider = []
for k in defaults:
if k not in kwargs:
kwargs[k]=defaults[k]
if 'fig' in kwargs:
fig = kwargs['fig']
else:
fig = plt.figure(figsize=kwargs['figsize'])
if 'ax' in kwargs:
ax = kwargs['ax']
else:
ax = fig.add_subplot(111)
# get zone limitation
# lon,lat or cartesian
if kwargs['extent']==[]:
if kwargs['coord']=='lonlat':
extent = self.extent
if kwargs['coord']=='cartesian':
extent_c = self.extent_c
else:
if kwargs['coord']=='cartesian':
extent_c = kwargs['extent']
extent = conv(extent_c,self.m,mode='toll')
if kwargs['coord']=='lonlat':
extent = kwargs['extent']
# ploting buildings with collection of polygons
#
if kwargs['coord'] == 'cartesian':
kwargs['xlabel'] = 'W-E Distance (meters)'
kwargs['ylabel'] = 'N-S Distance (meters)'
if kwargs['title']=='':
kwargs['title'] = self.prefix
ax.set_title(kwargs['title'])
ax.set_xlabel(kwargs['xlabel'])
ax.set_ylabel(kwargs['ylabel'])
if (kwargs['height'] | kwargs['contour']):
if kwargs['source']=='srtm':
shaphgt = self.hgts.shape
else:
shaphgt = self.hgta.shape
# full original x and y
#
if kwargs['coord']=='lonlat':
if kwargs['source']=='srtm':
x = np.linspace(self.extent[0],self.extent[1],1201)
# warning the y axis is inversed
y = np.linspace(self.extent[3],self.extent[2],1201)
hgt = self.hgts
else:
x = np.linspace(self.extent[0],self.extent[1],3601)
y = np.linspace(self.extent[3],self.extent[2],3601)
hgt = self.hgta
if kwargs['coord']=='cartesian':
self.tocart(source=kwargs['coord'])
if kwargs['source']=='srtm':
x = np.linspace(self.extent_c[0],self.extent_c[1],1201)
y = np.linspace(self.extent_c[3],self.extent_c[2],1201)
hgt = self.hgts_cart
else:
x = np.linspace(self.extent_c[0],extent_c[1],3601)
y = np.linspace(self.extent_c[3],extent_c[2],3601)
hgt = self.hgta_cart
extent = extent_c
# get index corresponding to the selected zone
ix = np.where((x>=extent[0]) & (x<=extent[1]))[0]
iy = np.where((y>=extent[2]) & (y<=extent[3]))[0]
if kwargs['height']:
im = ax.imshow(hgt[iy[0]:(iy[-1]+1),ix[0]:(ix[-1]+1)],
extent=extent,clim=kwargs['clim'],cmap=kwargs['cmap'],alpha=kwargs['alpha'])
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
cb = fig.colorbar(im,cax)
cb.set_label('Height (meters)')
if kwargs['contour']:
cnt = ax.contour(hgt[iy[0]:(iy[-1]+1),ix[0]:(ix[-1]+1)],N=10,extent=extent,origin='upper')
# display buildings
if kwargs['bldg']:
# get subtiles corresponding to extent
if kwargs['coord']=='cartesian':
extent = conv(extent_c,self.m,mode='toll')
ltiles = ext2qt(extent,self.lL0)
# iterating over subtiles
for ti in ltiles:
if ti in self.dbldg.keys():
info = self.dbldg[ti][0]
poly = self.dbldg[ti][1]
if kwargs['coord']=='cartesian':
tu = map(lambda x : self.m(x[:,0],x[:,1]),poly)
poly = map(lambda x : np.vstack((x[0],x[1])).T,tu)
if kwargs['height']:
fig,ax = plu.polycol(poly,
clim = kwargs['clim'],
facecolor=kwargs['facecolor'],
fig=fig,ax=ax)
else:
fig,ax = plu.polycol(poly,info[:,3],
clim = kwargs['clim'],
fig=fig,
ax=ax)
return(fig,ax,divider)