#!F-adobe-helvetica-medium-r-normal--18* #!N #!N #!Rmorph Morph #!N #!N Category #!N #!N #!Lcattrn,dxall763 h Transformation #!EL #!N #!N Function #!N #!N Applies a binary morphological operator to a field. #!N #!N Syntax #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* #!N output #!EF = Morph( #!F-adobe-times-bold-r-normal--18* input, operation, mask #!EF ); #!EF #!N #!N #!EC #!N #!N Inputs #!T,1,91,276,461,646 #!F-adobe-times-medium-r-normal--14* #!F-adobe-times-bold-r-normal--18* #!N TAB Name TAB Type TAB Default TAB Description #!EF #!N TAB input TAB field TAB none TAB input data #!N TAB operation TAB string TAB "erode" TAB the operation to be applied #!N TAB mask TAB value or string TAB "box" TAB the mask element #!N TAB - TAB - TAB - TAB #!EF #!N #!N Outputs #!T,1,161,321,646 #!F-adobe-times-medium-r-normal--14* #!F-adobe-times-bold-r-normal--18* #!N TAB Name TAB Type TAB Description #!EF #!N TAB output TAB field TAB morphologically transformed input #!N TAB - TAB - TAB #!EF #!N #!N Functional Details #!N #!N This module applies one of the following binary morphological operators to input data: #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N "close" "dilate" "erode" "open" #!EF #!N #!N #!EC The input data are treated much as booleans are in the C language (e.g., 0 = FALSE and nonzero = TRUE). #!N #!N The #!F-adobe-times-bold-r-normal--18* mask #!EF parameter (see below) is centered on each position in #!F-adobe-times-bold-r-normal--18* input #!EF in turn, and all positions corresponding to "1" in the mask are considered for #!F-adobe-times-bold-r-normal--18* operation #!EF (see below). #!N #!I0 #!N #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* input #!EF #!EF #!I50 #!N is the input data to be operated on. #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* operation #!EF #!EF #!I50 #!N specifies one of the following: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N #!N #!I30 #!N o "dilate": The output corresponding to a given data value is true (1) if any data value in #!F-adobe-times-bold-r-normal--18* input #!EF corresponding to a "1" in #!F-adobe-times-bold-r-normal--18* mask #!EF is true. Otherwise, the output is false. #!N #!I30 #!N o "erode": The output corresponding to a given data value is true (1) if all the data values corresponding to a "1" in #!F-adobe-times-bold-r-normal--18* mask #!EF are true. Otherwise, the output is false. #!N #!I30 #!N o "close": is dilation followed by erosion. #!N #!I30 #!N o "open" is erosion followed by dilation. Note: Successive openings or closings have no additional effect. #!N #!I0 #!N #!EF #!N #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* mask #!EF #!EF #!I50 #!N specifies one of the following: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N #!N #!I30 #!N o a Filter name (see #!Lfilter,dxall849 h Filter #!EL ) #!N #!I30 #!N o an explicit matrix. #!N #!I0 #!N #!EF #!N The function of both is to identify potential operands for #!F-adobe-times-bold-r-normal--18* operation #!EF (see above). The dimensions must be odd, and the default is the 3 * 3 box filter of Filter. #!I0 #!N #!N #!N #!N The module supports all data types and, like Filter, requires regular connections (quads or cubes). It handles both position- and connection-dependent data. #!N #!N If the data are vectors, each element of a vector is transformed independently. Because the module returns a 0/1 output, its output is always TYPE_UBYTE. Note: Data along the boundary are replicated to fill the overlap region for the filter. #!N #!N Components #!N #!N Modifies the "data" component. All other components are propagated to the output. #!N #!N Example Visual Program #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N UsingMorph.net #!EF #!N #!N #!EC #!N #!N See Also #!N #!N #!Lcompute,dxall795 h Compute #!EL , #!Lfilter,dxall849 h Filter #!EL #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lnormals,dxall897 h Normals #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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