#!F-adobe-helvetica-medium-r-normal--18* #!N #!N #!Rsystem System #!N #!N Category #!N #!N #!Lcatdbg,dxall754 h Debugging #!EL #!N #!N Function #!N #!N Executes a system function. #!N #!N Syntax #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N System( #!F-adobe-times-bold-r-normal--18* string #!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 string TAB string TAB none TAB shell command to be executed #!N TAB - TAB - TAB - TAB #!EF #!N #!N Functional Details #!N #!N The System module uses the C library #!F-adobe-times-bold-r-normal--18* system() #!EF function to execute operating system commands. #!N #!N If the characters %, \, or " occur in the command string, they must be escaped: the percent sign must be preceded by another percent sign; backslashes and double quotes must be preceded by a backslash. #!N #!N Script Language Example #!N #!N This example creates a sequence of captioned images using different isosurface values. The Format module creates a different image file name for each image. The System module executes the compress function to minimize the amount of disk space used. #!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,resolution=300,aspect=1,width=2.5); #!N macro makeiso(isoval) #!N ¤ #!N isosurface = Isosurface(electrondensity, isoval); #!N caption = Format("isoval = %g", isoval); #!N caption = Caption(caption); #!N imagename = Format("iso%4.2f.rgb", isoval); #!N collected = Collect(caption, isosurface); #!N image = Render(collected, camera); #!N Display(image); #!N WriteImage(image, imagename); #!N command = Format("compress %s", imagename); #!N System(command); #!N ‡ #!N makeiso(0.1); #!N makeiso(0.2); #!N makeiso(0.3); #!N makeiso(0.33); #!N makeiso(0.36); #!N makeiso(0.39); #!EF #!N #!N #!EC #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Ltext,dxall964 h Text #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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