この属性によって定義されたデータを含む読み取り専用の 2DArrayオブジェクトを戻します。データには、グローバルデータバッファおよびチャンクサイズを参照するインデックスオフセットが設定されている複数のチャンクでアクセスできます。このメソッドは、大規模なデータセットから取得したデータを格納するためにメモリ割り当てを最小化する場合に特に便利です。属性の構造タイプが2D 配列以外の場合は、空の配列が戻されます。
oArray = ICEAttribute.GetDataArray2DChunk( Offset, ChunkSize ); |
2DArray
#
# This example shows how to get all attribute 2D data in chunks from an envelope weight property.
#
from win32com.client import constants
xsi = Application
cone = xsi.CreatePrim("Cone", "MeshSurface", "", "")
xsi.Create2DSkeleton(2.90328069018741, 3.34950957748764, -0.334950957748767, 4.73127223586102, -8.03882298597018E-02, 8.03882298597003E-03, -5.71059313749964, 0, 0, 4, "", "")
xsi.AppendBone("eff", 3.70974754857278, -3.02795665804866, 0.302795665804869, "")
xsi.ApplyFlexEnv( "cone;bone,bone1,eff", -1 )
xsi.SelectObj("cone.polymsh.cls.EnvelopWeightCls.Envelope_Weights", "", "")
attrs = xsi.Selection(0).ICEAttributes;
# Make sure the envelope weight data is generated
cone.ActivePrimitive.GetGeometry( 0 )
for attr in attrs:
if attr.StructureType != constants.siICENodeStructureArray:
continue
xsi.LogMessage( "*******************************************************************" )
xsi.LogMessage( "Name: " + attr.Name )
xsi.LogMessage( "DataType: " + str(attr.DataType) )
xsi.LogMessage( "StructType: " + str(attr.StructureType) )
xsi.LogMessage( "ContextType: " + str(attr.ContextType) )
xsi.LogMessage( "IsDefined: " + str(attr.IsDefined) )
xsi.LogMessage( "IsConstant: " + str(attr.IsConstant) )
xsi.LogMessage( "Readonly: " + str(attr.IsReadonly) )
xsi.LogMessage( "AttributeCategory: " + str(attr.AttributeCategory) )
xsi.LogMessage( "Element count: " + str(attr.ElementCount) )
if attr.IsDefined == 0:
continue
# Compute the chunk vector
nChunkCount = 4
nChunk = attr.ElementCount / nChunkCount
nLastChunk = attr.ElementCount % nChunkCount
chunks = []
for i in range(nChunkCount):
chunks.append( nChunk )
chunks.append( nLastChunk )
nOffset = 0
dataType = attr.DataType
for i in range(len(chunks)):
nChunk = chunks[i]
if nChunk == 0:
continue;
xsi.LogMessage( ">>>>offset: " + str(nOffset) + " chunk size: " + str(nChunk) )
data = attr.GetDataArray2DChunk( nOffset, nChunk );
nOffset += nChunk
for elem in data:
if dataType == constants.siICENodeDataFloat:
xsi.LogMessage( "float: " + str(elem) )
elif dataType == constants.siICENodeDataLong:
xsi.LogMessage( "long: " + str(elem) )
elif dataType == constants.siICENodeDataBool:
xsi.LogMessage( "bool: " + str(elem) )
elif dataType == constants.siICENodeDataVector3:
xsi.LogMessage( "Vector3: " + str(elem.X) + ":" + str(elem.Y) + ":" + str(elem.Z) )
elif dataType == constants.siICENodeDataQuaternion:
xsi.LogMessage( "Quaternion: " + str(elem.W) + ":" + str(elem.X) + ":" + str(elem.Y) + ":" + str(elem.Z) )
elif dataType == constants.siICENodeDataRotation:
xsi.LogMessage( "Rotation: " + str(elem.RotX) + ":" + str(elem.RotY) + ":" + str(elem.RotZ) )
elif dataType == constants.siICENodeDataMatrix33:
xsi.LogMessage( "Matrix33:" );
xsi.LogMessage( str(elem.Value(0,0)) + ":" + str(elem.Value(0,1)) + ":" + str(elem.Value(0,2)) )
xsi.LogMessage( str(elem.Value(1,0)) + ":" + str(elem.Value(1,1)) + ":" + str(elem.Value(1,2)) )
xsi.LogMessage( str(elem.Value(2,0)) + ":" + str(elem.Value(2,1)) + ":" + str(elem.Value(2,2)) )
elif dataType == constants.siICENodeDataMatrix44:
xsi.LogMessage( "Matrix44:" );
xsi.LogMessage( str(elem.Value(0,0)) + ":" + str(elem.Value(0,1)) + ":" + str(elem.Value(0,2)) + ":" + str(elem.Value(0,3)))
xsi.LogMessage( str(elem.Value(1,0)) + ":" + str(elem.Value(1,1)) + ":" + str(elem.Value(1,2)) + ":" + str(elem.Value(1,3)))
xsi.LogMessage( str(elem.Value(2,0)) + ":" + str(elem.Value(2,1)) + ":" + str(elem.Value(2,2)) + ":" + str(elem.Value(2,3)))
xsi.LogMessage( str(elem.Value(3,0)) + ":" + str(elem.Value(3,1)) + ":" + str(elem.Value(3,2)) + ":" + str(elem.Value(3,3)))
elif dataType == constants.siICENodeDataColor4:
xsi.LogMessage( "Color:" );
xsi.LogMessage( str(elem.Red) + ":" + str(elem.Green) + ":" + str(elem.Blue) + ":" + str(elem.Alpha) )
elif dataType == constants.siICENodeDataString:
xsi.LogMessage( "String: " + elem );
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