Amazon VERSION 2.0V1 Guia do Utilizador descarregar pdf (Página 228)

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renderNodeInfo = FarmAPI.GetSortedDependencyList()

farmFilePath = UI4.Util.AssetId.BrowseForAsset

(

'', 'Specify a filename', \

True,{'fileTypes':'json','acceptDir': False}

)

with open(farmFilePath, "w") as farmFile:

farmFile.write(

json.dumps(

renderNodeInfo

)

def onStartup(**kwargs):

FarmAPI.AddFarmMenuOption("Display Out", \

writeRenderInfo)

Callbacks.addCallback(Callbacks.Type.onStartup, onStartup)

Custom Dialog

The default dialog is a starting point for a farm plug-in dialogue window, but for a custom plug-in, it may be

necessary to create a custom dialog window. In this case PyQT and the UI4 module should be used.

Errors, Warnings and Scene Validation

It is useful to check particular conditions of a recipe’s state before submitting it to a render-farm. For example, the

recipe should have no unsaved changes, so that what is rendered is consistent with what is displayed in Katana.

The utility IsSceneValid() checks for unsaved changes, and returns a boolean with a value of True if the recipe is

eligible for submission. For example:

eligibleForSubmission = FarmAPI.IsSceneValid(

nodeScope = FarmAPI.NODES_ALL,

allowUnsavedChanges=False,

allowCapitalLetters=False,

allowDigits=False,

unwantedSymbols=["_"]

)

The nodeScope argument specifies which nodes are submitted. The argument value is stored in the internal state of

the Farm API and can be retrieved with GetNodeProcessType(), which returns one of the following:

• NODES_SINGLE

28 RENDER FARM API | ERRORS, WARNINGS AND SCENE VALIDATION

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Amazon VERSION 2.0V1 Guia do Utilizador Página 228