changed the size to use 100 percent of the canvas size, which is what the chaco layer uses for placement and initial size
changed the size to use 100 percent of the canvas size, which is what the chaco layer uses for placement and initial size

ContinuumIO/chaco,tommy-u/chaco,ContinuumIO/chaco,ContinuumIO/chaco,tommy-u/chaco,burnpanck/chaco,tommy-u/chaco,ContinuumIO/chaco,burnpanck/chaco,burnpanck/chaco