Example 5.10: Further Timescale Options

The NETDRAW Procedure

Example 5.10: Further Timescale Options

In this example, the construction project described in Example 5.7 is used to illustrate some more timescale options. First, the REFBREAK option indicates breaks in the time axis by drawing a zigzag line down the diagram before each tick mark corresponding to a break. The CREFBRK= and LREFBRK= options control the color and line style for these lines. The network diagram is shown in Output 5.10.1.

   title  f=swiss j=l h=1.5 ' Site: Old Well Road';
   title2 f=swiss j=l h=1.5 ' Date: January 1, 1992';
   footnote f=swiss j=r 'Time Scale Options: Reference Breaks ';
   proc netdraw data=sched graphics;
      actnet / act = task font=swiss
               dur = duration
               succ = (succesr1-succesr3)
               dp compress separatearcs
               htext=2
               timescale refbreak lrefbrk = 33
               carcs = cyan crefbrk = blue;
         run;

Output 5.10.1: Time-Scaled Network: Reference Breaks

Next, PROC NETDRAW is invoked with the LINEAR option so that there is no break in the time axis. The BOXWIDTH= option limits the size of each node. The diagram is drawn in Output 5.10.2.

   footnote f=swiss j=r 'Time Scale Options: Linear Diagram ';
   proc netdraw data=sched graphics;
      actnet / act = task font=swiss
               dur = duration
               succ = (succesr1-succesr3)
               dp
               pcompress
               novcenter
               vmargin = 10
               separatearcs
               htext=2
               carcs=cyan
               id=(task)
               nodefid
               nolabel
               boxwidth=7
               timescale
               linear
               frame;
         run;

Output 5.10.2: Time-Scaled Network: LINEAR Option

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