help/dxall775 - dx (debian/1%4.4.4-14)

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#!F-adobe-helvetica-medium-r-normal--18*
#!N 
#!CDarkGreen #!N  #!Rall774 Vector and Tensor 
Data #!N #!EC #!N #!I0 #!N #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*    #!F-adobe-times-bold-r-normal--18*   
shape #!EF #!EF #!I50 #!N is used to change the thickness 
of the glyph relative to its length. The default value for 
 #!F-adobe-times-bold-r-normal--18*   shape #!EF is 1 (e.g., to make a glyph twice 
as thick, set this parameter to twice the default value (i.e., 
to 2). #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*    #!F-adobe-times-bold-r-normal--18*   scale #!EF #!EF #!I50 
#!N sets the scale factor for the size of the glyphs 
relative to the default glyph. #!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*    #!F-adobe-times-bold-r-normal--18*   ratio 
#!EF #!EF #!I50 #!N determines which data values are displayed. To 
display only those values larger than 0.5 *  #!F-adobe-times-bold-r-normal--18*   max #!EF 
, set this parameter to 0.5. The default value is 0.0. 
#!N #!I0 #!N  #!F-adobe-times-bold-r-normal--18*    #!F-adobe-times-bold-r-normal--18*   min #!EF and  #!F-adobe-times-bold-r-normal--18*   max #!EF 
#!EF #!I50 #!N are the data values used to set glyph 
sizes. #!N #!N For  #!F-adobe-times-medium-i-normal--18*   3x3 symmetric tensor data #!EF three 
arrows are drawn, representing the eigenvectors of the matrix. For  #!F-adobe-times-medium-i-normal--18*   
2x2 symmetric tensor data #!EF two arrows are drawn, representing the 
eigenvectors of the matrix. For  #!F-adobe-times-medium-i-normal--18*   vector data #!EF , one 
arrow is drawn, representing the magnitude of the data. The default 
value of  #!F-adobe-times-bold-r-normal--18*   min #!EF is 0 (zero), and the length 
of the glyphs is always directly proportional to the magnitude of 
the data (or the magnitude of the eigenvector). If you set 
 #!F-adobe-times-bold-r-normal--18*   min #!EF to a value greater than zero, all data 
with a magnitude smaller than  #!F-adobe-times-bold-r-normal--18*   min #!EF are represented by 
a dot if  #!F-adobe-times-bold-r-normal--18*   type #!EF is "needle," and by a 
small sphere otherwise. This can be useful to weed out small 
and perhaps noisy vectors. You can also set  #!F-adobe-times-bold-r-normal--18*   ratio #!EF 
to a value larger than zero; in that case, all data 
with a magnitude smaller than  #!F-adobe-times-bold-r-normal--18*   ratio #!EF *  #!F-adobe-times-bold-r-normal--18*   max 
#!EF is shown by a small sphere or dot. This allows 
you, for example, to set  #!F-adobe-times-bold-r-normal--18*   ratio #!EF = 0.5 to 
see only those vectors with a magnitude greater than half of 
 #!F-adobe-times-bold-r-normal--18*   max #!EF . #!N #!N If you have vector data 
and want to show all the vectors as having the same 
length, you can use the  #!F-adobe-times-bold-r-normal--18*   norm #!EF function in the 
Compute module to normalize all the vectors to unit magnitude before 
passing them to AutoGlyph. #!I0 #!N #!N #!N #!N You can 
also use a field as the input for  #!F-adobe-times-bold-r-normal--18*   min #!EF 
and  #!F-adobe-times-bold-r-normal--18*   max #!EF , in which case the statistics of 
that field are used instead. If the input  #!F-adobe-times-bold-r-normal--18*   data #!EF 
is changing from frame to frame, and you want to keep 
the glyph sizes consistent from frame to frame, you can use 
the entire field or series as the input for  #!F-adobe-times-bold-r-normal--18*   min 
#!EF and  #!F-adobe-times-bold-r-normal--18*   max #!EF . #!N #!N Note that if 
you set  #!F-adobe-times-bold-r-normal--18*   min #!EF and  #!F-adobe-times-bold-r-normal--18*   max #!EF , and 
there are data values far outside that range, then it is 
possible to get very large glyphs. This is because  #!F-adobe-times-bold-r-normal--18*   max 
#!EF is used to set the size scaling for the glyphs. 
Data values much larger in absolute value than  #!F-adobe-times-bold-r-normal--18*   max #!EF 
have proportionally larger-sized glyphs. #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF 
#!N #!N  #!Lall775,dxall776 h User-supplied and Annotation Glyphs  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   #!N 