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Point Codes





Learning Point Codes

What are Point Codes?

Point codes are words, numbers or abbreviations you use to help identify points. They can be any combination of letters and//or numbers but we recommend that you make them short, logical, and easy to remember. The code 'CL' might identify a point as a 'center line' while the code 'OAK' might identify the point as an 'oak tree'. Point codes allow you to perform operations on all the 'center line' shots or all the 'oak' trees and allow TPC to draw these points based on their Traverse Drawing Settings.

TPC includes tools to add points to traverses based on their point codes, then sort them to the nearest neighbor or plot them on a map using different symbols and line types for each code.

Using Point Codes in the Field

In the field, on any data collector, you can use the conventions of your data collector to add point codes to either the description or attributes of each survey point. 

See Using Point Codes in the Field.

A Survey's Point Codes

In TPC, a survey keeps track of its own point codes in a .pct file with the same name as the survey.

See A Survey's Point Codes.

The Point Codes Manager

The Point Codes Manager manages the point codes in your survey. You can enter codes and their descriptions manually, import codes from other code files, or search the survey points and generate a list of codes used in the survey.

The Point Codes Manager is also where you create traverses from point codes and keep them updated as you add new new points to your survey.

See Point Codes Manager.

Creating Traverses From Point Codes

Point Codes allow you to add survey points to traverses based on their codes.  TPC calls this Sorting Points by Code.  You can put all the points with the 'CL' code into a center line traverse, then plot that traverse with the line type, symbols, colors, etc that you want to indicate a center line.

See Creating Traverses From Point Codes.

Updating Point Code Traverses

Once TPC has created traverses for the codes you want, you can update those traverses anytime, adding any new points containing a code to the appropriate traverses.  If you have a 'CL - Center Line' traverse with all the 'CL' points in it and you import 20 new 'CL' shots from your data collector, TPC can add the 20 new shots to the 'CL - Center Line' traverse.

See Update Point Code Traverses.

Point Code Aliases

When creating or updating point codes traverses, you can further control which traverses points are placed in through the use of Aliases. When you specify an Alias, point are placed in the point code traverse corresponding to the Alias instead of the traverse corresponding to the code.

See Using Point Code Aliases.

Sorting Points within a Traverse

You can also sort points within a traverse. This removes the constraint of forcing you to collect your data points in sequence.

See Sorting Points Within Traverses.

Assigning Traverse Drawing Settings to Codes

Each point code has its own Traverse Drawing Settings that can be used to draw the points associated with this code.

See Setting Traverse Drawing Settings.

Setting Survey Point Properties With Point Codes

One of the simplest uses of point codes is to Override Point Symbols. Regardless of which traverses a point is used in, it will always be drawn the same way in Drawing View.  See Setting Survey Point Properties.

Point Code Files

TPC stores point codes in point code files.  Each survey that uses point codes has its own point code file that keeps track of the point codes used only in that survey.  But you can also share point code tables via TPC's program data.

See Point Code Files.

Related Topics

Point Codes Manager
Default Point Code Settings
Creating Traverses From Point Codes
Update Point Code Traverses
Sorting Points Within Traverses
Using Point Code Aliases
Setting Traverse Drawing Settings
Point Code Files


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