add a source object with shape parameterization given by a conformal shear vector instead of axis ratio and position angle. Also adds render() methods to Source and PostageStamp objects. Note the new shear based parameters will only have correct gradients if using the Source.render() method.
add a source object with shape parameterization given by a conformal shear vector instead of axis ratio and position angle. Also adds
render()methods toSourceandPostageStampobjects. Note the new shear based parameters will only have correct gradients if using theSource.render()method.