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#!N
#!N
#!Rdxqosm DXQueryOriginalSizes, DXQueryOriginalMeshExtents #!N #!N Function #!N #!N Returns information about
the size of the original Field used as the input to
#!F-adobe-times-bold-r-normal--18* DXGrow #!EF . #!N #!N Syntax #!N #!F-adobe-times-bold-r-normal--18* #include <dx/dx.h>
Field DXQueryOriginalSizes(Field f, int *positions, int *connections) Field DXQueryOriginalMeshExtents(Field f, int
*offsets, int *sizes) #!EF #!N #!N Functional Details #!N #!N Returns
information about the size of the original Field used as the
input to #!F-adobe-times-bold-r-normal--18* DXGrow #!EF . The parameter #!F-adobe-times-bold-r-normal--18* f #!EF
names a Field that was produced by #!F-adobe-times-bold-r-normal--18* DXGrow #!EF .
In the case of #!F-adobe-times-bold-r-normal--18* DXQueryOriginalSizes #!EF , if #!F-adobe-times-bold-r-normal--18* positions
#!EF is not #!F-adobe-times-bold-r-normal--18* NULL #!EF , the number of positions
in the original Field is returned in #!F-adobe-times-bold-r-normal--18* *positions #!EF .
If #!F-adobe-times-bold-r-normal--18* connections #!EF is not #!F-adobe-times-bold-r-normal--18* NULL #!EF , the
number of interpolation elements in the original Field is returned in
#!F-adobe-times-bold-r-normal--18* *connections #!EF . This is particularly useful in the case
of irregular data. #!N #!N In the case of data defined
on a regular mesh of connections, #!F-adobe-times-bold-r-normal--18* DXQueryOriginalMeshExtents #!EF can be
used to obtain the offsets of the original Field relative to
the grown Field, and the sizes of the original Field. If
#!F-adobe-times-bold-r-normal--18* offsets #!EF is not #!F-adobe-times-bold-r-normal--18* NULL #!EF , the offset
in each dimension of the original Field is returned in the
Array pointed to by #!F-adobe-times-bold-r-normal--18* offsets #!EF ; if #!F-adobe-times-bold-r-normal--18* sizes
#!EF is not #!F-adobe-times-bold-r-normal--18* NULL #!EF , the size in each
dimension of the original Field is returned in the Array pointed
to by #!F-adobe-times-bold-r-normal--18* offsets #!EF . #!N #!N Typically, data is
grown so that neighborhood information is available during the calculation of
a result for some original point (or connection) in the Field.
The information returned by these routines identifies the portion of the
grown Field that belonged to the original Field and that will
remain after a later call to #!F-adobe-times-bold-r-normal--18* DXShrink #!EF . Thus,
the caller can use this information to process only that portion
of the Field that will remain after a later call to
#!F-adobe-times-bold-r-normal--18* DXShrink #!EF . #!N #!N Return Value #!N #!N Returns
#!F-adobe-times-bold-r-normal--18* f #!EF if it is a grown field or returns
#!F-adobe-times-bold-r-normal--18* NULL #!EF (without setting an error code) if it not;
otherwise, returns #!F-adobe-times-bold-r-normal--18* NULL #!EF and sets an error code. #!N
#!N See Also #!N #!N #!F-adobe-times-bold-r-normal--18* #!Ldxgrov,dxall1273 h DXGrow, DXGrowV #!EL , #!Ldxsk,dxall1395 h DXShrink #!EL #!EF #!N
#!N #!Lgns,dxall1120 h Growing and Shrinking Partitioned Data #!EL . #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N
#!N #!Ldxqp,dxall1347 h DXQueryParameter #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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