def __init__(self, sampler, texcoord, xmlnode=None):
"""Create a map instance to a sampler using a texcoord channel.
:param collada.material.Sampler2D sampler:
A sampler object to map
:param str texcoord:
Texture coordinate channel symbol to use
:param xmlnode:
If loaded from xml, the xml node
"""
self.sampler = sampler
""":class:`collada.material.Sampler2D` object to map"""
self.texcoord = texcoord
"""Texture coordinate channel symbol to use"""
if xmlnode != None:
self.xmlnode = xmlnode
"""ElementTree representation of the map"""
else:
self.xmlnode = E.texture(texture=self.sampler.id, texcoord=self.texcoord)
