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#!N
#!N #!Rtrace Trace
#!N #!N Category #!N #!N #!Lcatdbg,dxall754 h Debugging #!EL #!N #!N Function #!N #!N
Enable or disables tracing options. #!N #!N Syntax #!CForestGreen #!N #!N
#!F-adobe-courier-bold-r-normal--18* #!N Trace( #!F-adobe-times-bold-r-normal--18* what, how #!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 what TAB string
TAB none TAB the object to be traced #!N TAB how
TAB integer TAB 1 TAB 0: set tracing off #!N TAB
- TAB - TAB - TAB 1: set tracing on #!N
TAB - TAB - TAB - TAB #!EF #!N #!N Functional
Details #!N #!N #!I0 #!N #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* what
#!EF #!EF #!I50 #!N is (1) a keyword specifying the object
to be traced #!F-adobe-times-medium-i-normal--18* or #!EF (2) a set of letters
specifying a group of debug message classes, as used by the
#!F-adobe-times-bold-r-normal--18* DXEnableDebug() #!EF library function (see IBM Visualization Data Explorer Programmer's
Reference). #!N #!N At present, the only keyword value allowed for
this parameter is #!F-adobe-times-bold-r-normal--18* "time" #!EF : #!F-adobe-times-bold-r-normal--18* Trace("time", 1); #!EF
will begin the trace, and #!F-adobe-times-bold-r-normal--18* Trace("time", 0); #!EF will print
a record of time use since the tracing was started. The
output appears in the Message window. #!N If #!F-adobe-times-bold-r-normal--18* what #!EF
is a string of lowercase letters other than #!F-adobe-times-bold-r-normal--18* time #!EF
, the module calls the #!F-adobe-times-bold-r-normal--18* DXEnableDebug #!EF library function. (The
uppercase letters A-Z and the numbers 0-9 are reserved for system
use). #!N #!I0 #!N #!F-adobe-times-bold-r-normal--18* #!F-adobe-times-bold-r-normal--18* how #!EF #!EF #!I50 #!N
specifies whether the trace option is activated or not. #!I0 #!N
#!N Note: If the executive is started with the flag -timing
on, the command Trace("time", 0) causes all module entry and exit
times to be printed. In the VPE window, this command can
be enabled using the Debug Tracing button in the #!F-adobe-times-bold-r-normal--18* Commands
#!EF menu of the Message window (see #!Ldebug,dxall482 h Using the Message Window #!EL in IBM Visualization
Data Explorer User's Guide). #!N #!N Script Language Example #!N #!N
In this example, the module traces the use of time by
Isosurface. #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N electrondensity = Import("/usr/lpp/dx/samples/data/watermolecule"); #!N electrondensity
= Partition(electrondensity); #!N camera = AutoCamera(electrondensity, width=5); #!N Trace("time", 1); #!N
isosurface = Isosurface(electrondensity, 0.3); #!N Trace("time", 0); #!N Display(isosurface, \camera); #!EF
#!N #!N #!EC #!N #!N See Also #!N #!N #!Lusage,dxall974 h Usage #!EL #!N
#!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Ltransfo,dxall967 h Transform #!EL #!N #!F-adobe-times-medium-i-normal--18*
#!N
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