TO GENERATE THE CLEARING LIMITS:

This routine will draw lines representing the Limits of Clearing in a Plan view .DGN file.   This is a custom "3 Port Criteria" application written by Central Federal Lands.  This application requires Geopak 2001.

FIRST OF ALL YOU MUST HAVE THE FOLLOWING:

• The criteria file (clearing_limits_plan.3pc).  I've placed this on our server.  No need to worry about it though... it's path is taken care of within the server version of Metric.ddb.

• Metric.ddb (the server version which includes the "Draw Clearing Limits in Plan View" item).  An example of this is shown farther down in the documentation.  The server version of Metric.ddb has been placed under.......F:\Resource\Geopak\Ddbs\

• The Macros (ClearLimit.bas & ClearLimit.ba), placed in the Macros directory.  I've also placed these on our server.  Once again, no need to worry about these for "in-house" workstations, as they are already setup to point to the Marcos directory on the server.

• A Clearing Report (ASCII text file) generated from your finished Cross Sections.  For instructions on how to generate the Clearing Report, click here.

• A .DGN file (Plan View) for displaying your clearing limits graphically.   This should be the same .DGN file that contains your horizontal and vertical alignments.

Next....

Open the "Plan view" .DGN file that contains your horizontal alignment.

1. Invoke the D&C Manager, using the Geopak Tools icons (as shown below).  Be sure that the path is set to F:\Resource\Geopak\Ddbs\Metric.ddb (for metric jobs).  Set it to F:\Resource\Geopak\Ddbs\English.ddb (for english jobs).

   

2. Be sure that the "mode" for the D&C Manager is set to "Design", (illustrated by the depressed little pencil icon shown above).  Browse to the 3PC Applications Category and double click on Draw Clearing Limits in Plan View.  The dialog below will appear:

   

3. Select the Clearing Report file from your working directory, and press OK.  For instructions on how to generate the Clearing Report, click here.  When this is done, the "Draw Construction Limits" dialog (shown below) will appear.

   

4. Input the chain name, job number and element symbology.   When finished, press OK.  You will be given one more chance to make sure of the chain name, before the application processes your instructions.   That dialog is shown below:

   

5. If that is the correct name of your chain... press OK.  The Clearing Limit lines will be drawn in the Plan view .dgn file to the symbology defined in step 4.  An example is shown below: