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# This file is part of the MapProxy project.

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

from mapproxy.client.http import retrieve_image

class TMSClient(object):

def __init__(self, url, format='png', http_client=None):

self.url = url

self.http_client = http_client

self.format = format

def get_tile(self, tile_coord, format=None):

x, y, z = tile_coord

url = '%s/%d/%d/%d.%s' % (self.url, z, x, y, format or self.format)

if self.http_client:

return self.http_client.open_image(url)

else:

return retrieve_image(url)

def __repr__(self):

return '%s(%r, %r)' % (self.__class__.__name__, self.url, self.format)

class TileClient(object):

def __init__(self, url_template, http_client=None, grid=None):

self.url_template = url_template

self.http_client = http_client

self.grid = grid

def get_tile(self, tile_coord, format=None):

url = self.url_template.substitute(tile_coord, format, self.grid)

if self.http_client:

return self.http_client.open_image(url)

else:

return retrieve_image(url)

def __repr__(self):

return '%s(%r)' % (self.__class__.__name__, self.url_template)

class TileURLTemplate(object):

"""

>>> t = TileURLTemplate('http://foo/tiles/%(z)s/%(x)d/%(y)s.png')

>>> t.substitute((7, 4, 3))

'http://foo/tiles/3/7/4.png'

>>> t = TileURLTemplate('http://foo/tiles/%(z)s/%(x)d/%(y)s.png')

>>> t.substitute((7, 4, 3))

'http://foo/tiles/3/7/4.png'

>>> t = TileURLTemplate('http://foo/tiles/%(tc_path)s.png')

>>> t.substitute((7, 4, 3))

'http://foo/tiles/03/000/000/007/000/000/004.png'

>>> t = TileURLTemplate('http://foo/tms/1.0.0/%(tms_path)s.%(format)s')

>>> t.substitute((7, 4, 3))

'http://foo/tms/1.0.0/3/7/4.png'

>>> t = TileURLTemplate('http://foo/tms/1.0.0/lyr/%(tms_path)s.%(format)s')

>>> t.substitute((7, 4, 3), 'jpeg')

'http://foo/tms/1.0.0/lyr/3/7/4.jpeg'

"""

def __init__(self, template, format='png'):

self.template= template

self.format = format

self.with_quadkey = True if '%(quadkey)' in template else False

self.with_tc_path = True if '%(tc_path)' in template else False

self.with_tms_path = True if '%(tms_path)' in template else False

self.with_arcgiscache_path = True if '%(arcgiscache_path)' in template else False

self.with_google_static = True if '%(google_static_params)' in template else False

self.with_bbox = True if '%(bbox)' in template else False

def substitute(self, tile_coord, format=None, grid=None):

x, y, z = tile_coord

data = dict(x=x, y=y, z=z)

data['format'] = format or self.format

if self.with_quadkey:

data['quadkey'] = quadkey(tile_coord)

if self.with_tc_path:

data['tc_path'] = tilecache_path(tile_coord)

if self.with_tms_path:

data['tms_path'] = tms_path(tile_coord)

if self.with_arcgiscache_path:

data['arcgiscache_path'] = arcgiscache_path(tile_coord)

if self.with_google_static:

import math

data['google_static_params'] = google_static(tile_coord,grid)

if self.with_bbox:

data['bbox'] = bbox(tile_coord, grid)

return self.template % data

def __repr__(self):

return '%s(%r, format=%r)' % (

self.__class__.__name__, self.template, self.format)

def google_static(tile_coord,grid):

x, y, z = tile_coord

center_x = (x+0.5)/math.pow(2,z)*360-180

if grid.origin in ('nw','ll'):

y_add = 1

else:

y_add = -1

n1 = math.pi-2*math.pi*y/math.pow(2,z)

n2 = math.pi-2*math.pi*(y+y_add)/math.pow(2,z)

center_y1 = 180/math.pi*math.atan(0.5*(math.exp(n1)-math.exp(-n1)))

center_y2 = 180/math.pi*math.atan(0.5*(math.exp(n2)-math.exp(-n2)))

center_y = center_y1+y_add*abs(center_y1-center_y2)/2

return 'center=%s,%s&zoom=%s&size=%sx%s' % (center_y,center_x,z,grid.tile_size[0],grid.tile_size[1])

def tilecache_path(tile_coord):

"""

>>> tilecache_path((1234567, 87654321, 9))

'09/001/234/567/087/654/321'

"""

x, y, z = tile_coord

parts = ("%02d" % z,

"%03d" % int(x / 1000000),

"%03d" % (int(x / 1000) % 1000),

"%03d" % (int(x) % 1000),

"%03d" % int(y / 1000000),

"%03d" % (int(y / 1000) % 1000),

"%03d" % (int(y) % 1000))

return '/'.join(parts)

def quadkey(tile_coord):

"""

>>> quadkey((0, 0, 1))

'0'

>>> quadkey((1, 0, 1))

'1'

>>> quadkey((1, 2, 2))

'21'

"""

x, y, z = tile_coord

quadKey = ""

for i in range(z,0,-1):

digit = 0

mask = 1 << (i-1)

if (x & mask) != 0:

digit += 1

if (y & mask) != 0:

digit += 2

quadKey += str(digit)

return quadKey

def tms_path(tile_coord):

"""

>>> tms_path((1234567, 87654321, 9))

'9/1234567/87654321'

"""

return '%d/%d/%d' % (tile_coord[2], tile_coord[0], tile_coord[1])

def arcgiscache_path(tile_coord):

"""

>>> arcgiscache_path((1234567, 87654321, 9))

'L09/R05397fb1/C0012d687'

"""

return 'L%02d/R%08x/C%08x' % (tile_coord[2], tile_coord[1], tile_coord[0])

def bbox(tile_coord, grid):

"""

>>> from mapproxy.grid import tile_grid

>>> grid = tile_grid(4326, bbox=(0, -15, 10, -5))

>>> bbox((0, 0, 0), grid)

'0.00000000,-15.00000000,10.00000000,-5.00000000'

>>> bbox((0, 0, 1), grid)

'0.00000000,-15.00000000,5.00000000,-10.00000000'

>>> grid = tile_grid(4326, bbox=(0, -15, 10, -5), origin='nw')

>>> bbox((0, 0, 1), grid)

'0.00000000,-10.00000000,5.00000000,-5.00000000'

"""

return '%.8f,%.8f,%.8f,%.8f' % grid.tile_bbox(tile_coord)

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Original text

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# This file is part of the MapProxy project.
# Copyright (C) 2010 Omniscale <http://omniscale.de>
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#    http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from mapproxy.client.http import retrieve_image

class TMSClient(object):
    def __init__(self, url, format='png', http_client=None):
        self.url = url
        self.http_client = http_client
        self.format = format
    
    def get_tile(self, tile_coord, format=None):
        x, y, z = tile_coord
        url = '%s/%d/%d/%d.%s' % (self.url, z, x, y, format or self.format)
        if self.http_client:
            return self.http_client.open_image(url)
        else:
            return retrieve_image(url)
    
    def __repr__(self):
        return '%s(%r, %r)' % (self.__class__.__name__, self.url, self.format)

class TileClient(object):
    def __init__(self, url_template, http_client=None, grid=None):
        self.url_template = url_template
        self.http_client = http_client
        self.grid = grid
    
    def get_tile(self, tile_coord, format=None):
        url = self.url_template.substitute(tile_coord, format, self.grid)
        if self.http_client:
            return self.http_client.open_image(url)
        else:
            return retrieve_image(url)
    
    def __repr__(self):
        return '%s(%r)' % (self.__class__.__name__, self.url_template)

class TileURLTemplate(object):
    """
    >>> t = TileURLTemplate('http://foo/tiles/%(z)s/%(x)d/%(y)s.png')
    >>> t.substitute((7, 4, 3))
    'http://foo/tiles/3/7/4.png'

>>> t = TileURLTemplate('http://foo/tiles/%(z)s/%(x)d/%(y)s.png')
    >>> t.substitute((7, 4, 3))
    'http://foo/tiles/3/7/4.png'

>>> t = TileURLTemplate('http://foo/tiles/%(tc_path)s.png')
    >>> t.substitute((7, 4, 3))
    'http://foo/tiles/03/000/000/007/000/000/004.png'
    
    >>> t = TileURLTemplate('http://foo/tms/1.0.0/%(tms_path)s.%(format)s')
    >>> t.substitute((7, 4, 3))
    'http://foo/tms/1.0.0/3/7/4.png'
    
    >>> t = TileURLTemplate('http://foo/tms/1.0.0/lyr/%(tms_path)s.%(format)s')
    >>> t.substitute((7, 4, 3), 'jpeg')
    'http://foo/tms/1.0.0/lyr/3/7/4.jpeg'
    
    """
    def __init__(self, template, format='png'):
        self.template= template
        self.format = format
        self.with_quadkey = True if '%(quadkey)' in template else False
        self.with_tc_path = True if '%(tc_path)' in template else False
        self.with_tms_path = True if '%(tms_path)' in template else False
        self.with_arcgiscache_path = True if '%(arcgiscache_path)' in template else False
        self.with_bbox = True if '%(bbox)' in template else False

def substitute(self, tile_coord, format=None, grid=None):
        x, y, z = tile_coord
        data = dict(x=x, y=y, z=z)
        data['format'] = format or self.format
        if self.with_quadkey:
            data['quadkey'] = quadkey(tile_coord)
        if self.with_tc_path:
            data['tc_path'] = tilecache_path(tile_coord)
        if self.with_tms_path:
            data['tms_path'] = tms_path(tile_coord)
        if self.with_arcgiscache_path:
            data['arcgiscache_path'] = arcgiscache_path(tile_coord)
        if self.with_bbox:
            data['bbox'] = bbox(tile_coord, grid)

return self.template % data
    
    def __repr__(self):
        return '%s(%r, format=%r)' % (
            self.__class__.__name__, self.template, self.format)

def tilecache_path(tile_coord):
    """
    >>> tilecache_path((1234567, 87654321, 9))
    '09/001/234/567/087/654/321'
    """
    x, y, z = tile_coord
    parts = ("%02d" % z,
             "%03d" % int(x / 1000000),
             "%03d" % (int(x / 1000) % 1000),
             "%03d" % (int(x) % 1000),
             "%03d" % int(y / 1000000),
             "%03d" % (int(y / 1000) % 1000),
             "%03d" % (int(y) % 1000))
    return '/'.join(parts)

def quadkey(tile_coord):
    """
    >>> quadkey((0, 0, 1))
    '0'
    >>> quadkey((1, 0, 1))
    '1'
    >>> quadkey((1, 2, 2))
    '21'
    """
    x, y, z = tile_coord
    quadKey = ""
    for i in range(z,0,-1):
        digit = 0
        mask = 1 << (i-1)
        if (x & mask) != 0:
            digit += 1
        if (y & mask) != 0:
            digit += 2
        quadKey += str(digit)
    return quadKey

def tms_path(tile_coord):
    """
    >>> tms_path((1234567, 87654321, 9))
    '9/1234567/87654321'
    """
    return '%d/%d/%d' % (tile_coord[2], tile_coord[0], tile_coord[1])

def arcgiscache_path(tile_coord):
   """
   >>> arcgiscache_path((1234567, 87654321, 9))
   'L09/R05397fb1/C0012d687'
   """
   return 'L%02d/R%08x/C%08x' % (tile_coord[2], tile_coord[1], tile_coord[0])

def bbox(tile_coord, grid):
    """
    >>> from mapproxy.grid import tile_grid
    >>> grid = tile_grid(4326, bbox=(0, -15, 10, -5))
    >>> bbox((0, 0, 0), grid)
    '0.00000000,-15.00000000,10.00000000,-5.00000000'
    >>> bbox((0, 0, 1), grid)
    '0.00000000,-15.00000000,5.00000000,-10.00000000'
    
    >>> grid = tile_grid(4326, bbox=(0, -15, 10, -5), origin='nw')
    >>> bbox((0, 0, 1), grid)
    '0.00000000,-10.00000000,5.00000000,-5.00000000'
    """
    return '%.8f,%.8f,%.8f,%.8f' % grid.tile_bbox(tile_coord)

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from mapproxy.client.http import retrieve_image

class TileURLTemplate(object):
    """
    >>> t = TileURLTemplate('http://foo/tiles/%(z)s/%(x)d/%(y)s.png')
    >>> t.substitute((7, 4, 3))
    'http://foo/tiles/3/7/4.png'

>>> t = TileURLTemplate('http://foo/tiles/%(z)s/%(x)d/%(y)s.png')
    >>> t.substitute((7, 4, 3))
    'http://foo/tiles/3/7/4.png'

def substitute(self, tile_coord, format=None, grid=None):
        x, y, z = tile_coord
        data = dict(x=x, y=y, z=z)
        data['format'] = format or self.format
        if self.with_quadkey:
            data['quadkey'] = quadkey(tile_coord)
        if self.with_tc_path:
            data['tc_path'] = tilecache_path(tile_coord)
        if self.with_tms_path:
            data['tms_path'] = tms_path(tile_coord)
        if self.with_arcgiscache_path:
            data['arcgiscache_path'] = arcgiscache_path(tile_coord)
        if self.with_google_static:
            import math
            data['google_static_params'] = google_static(tile_coord,grid)
        if self.with_bbox:
            data['bbox'] = bbox(tile_coord, grid)

return self.template % data
    
    def __repr__(self):
        return '%s(%r, format=%r)' % (
            self.__class__.__name__, self.template, self.format)
            
def google_static(tile_coord,grid):

x, y, z = tile_coord
    center_x = (x+0.5)/math.pow(2,z)*360-180
    if grid.origin in ('nw','ll'):
        y_add = 1
    else:
        y_add = -1
    n1 = math.pi-2*math.pi*y/math.pow(2,z)
    n2 = math.pi-2*math.pi*(y+y_add)/math.pow(2,z)
    center_y1 = 180/math.pi*math.atan(0.5*(math.exp(n1)-math.exp(-n1)))
    center_y2 = 180/math.pi*math.atan(0.5*(math.exp(n2)-math.exp(-n2)))
    center_y = center_y1+y_add*abs(center_y1-center_y2)/2
    return 'center=%s,%s&zoom=%s&size=%sx%s' % (center_y,center_x,z,grid.tile_size[0],grid.tile_size[1])

def tms_path(tile_coord):
    """
    >>> tms_path((1234567, 87654321, 9))
    '9/1234567/87654321'
    """
    return '%d/%d/%d' % (tile_coord[2], tile_coord[0], tile_coord[1])