FloatParameter = parameter.FloatParameter
AutoNumericParameter = parameter.AutoNumericParameter
ValueSetParameter = parameter.ValueSetParameter
# ZDisplayParams does not include the "level" one, because it needs to
# have different defaults for the ContourDisplay and for the other z
# displays, such as the MeshCenterFillDisplay.
# TODO: Add a vector plot DisplayMethod, and maybe an ellipsoid plot
# for symmetric tensors.
zdisplayparams = [
placeholder.TimeParameter('when',
value=placeholder.latest,
tip='Time at which to plot'),
output.ScalarOutputParameter('what', tip='Quantity to be plotted'),
output.PositionOutputParameter(
'where',
outputDefs.originalPosition,
tip="Plot at displaced or original position?"),
AutoNumericParameter('min',
automatic.automatic,
tip="level of lowest contour, or 'automatic'"),
AutoNumericParameter('max',
automatic.automatic,
tip="level of highest contour, or 'automatic'")
]
class ZDisplay(displaymethods.MeshDisplayMethod):
def __init__(self, when, what, where, min, max, levels):
if minuend is None:
return
return minuend.outputInstance()
ScalarDifferenceOutput = output.Output(
name="difference",
callback=_difference,
otype=outputval.ScalarOutputValPtr,
instancefn=_difference_instancefn,
column_names=single_column_name,
# The minuend and subtrahend are *parameters*, not inputs, so that
# they can be specified by the user at run time.
params=[
output.ScalarOutputParameter(
'minuend',
tip='The quantity from which the subtrahend is subtracted.'),
output.ScalarOutputParameter(
'subtrahend', tip='The quantity to subtract from the minuend.')
],
srepr=_difference_shortrepr,
tip="Compute the difference between two quantities.")
# It's important that the ordering parameter for
# ScalarDifferenceOutput and AggregateDifferenceOutput be greater than
# the ordering for at least one other Output in each category.
# Putting the difference outputs first in the list leads to infinite
# recursion when initializing Output widgets.
output.defineScalarOutput('Difference', ScalarDifferenceOutput, ordering=1000)