def format_coord(self, x, y):
        return 'x=%f, y=%f' % (x, y)
Outputfile might be read from config
dataset/ETHPy150Open ejeschke/ginga/ginga/mplw/transform.py/GingaAxes.format_coord--crossover with--dataset/ETHPy150Open jcbagneris/fms/tests/utils.py/XmlParserTests.testOuputfileValue