Lot or Parcel traverses are special traverses that close on themselves. TPC calls these closed loop traverses, after the closure type. In this help topics, we'll refer to them as Lots.
TPC has tools to make entering lots very easy. See Entering Lot Traverses.
Lot areas are determined by a corresponding Distance Type. The area computed always matches the distance type.
In the case of a traverse, this is the distance type of the traverse.
In the case of a drawing, this is the distance type of the drawing.
The Closure View displays the area of Lots in square units (feet or meters) and area units (acres or hectares). The area of a closed loop is computed from the Initial Point to the Closing Point. If these points do not have the same coordinates (the loop doesn't close), TPC connects the two points with an imaginary line and computes the resulting area of the loop.
Each time you open the Closure View and also when you choose View | Refresh, TPC recomputes the area of the Lot.
Within Traverse Drawing Settings, you can use Lot Labels to turn on lot labels that include the name, area and location of the Lot.
These lot area labels can be computed automatically (slows down the regen process) or manually. To turn on automatic area computations choose Edit | Drawing Settings, Miscellaneous and turn on the [X] Compute Area toggle.
You can create legal descriptions for Lots. Each lot can have its own legal description defined by the sequence of points (courses) in that traverse, including tangents, curves, spirals, cusps, etc.
For legal descriptions, TPC assumes that the initial point defined for the closed loop traverse is the POB (Point of Beginning) for the legal descriptions, but TPC provides a number of ways to establish the commencement of any legal description.
TPC can create a traverse of some specified area from any Lot. You use the Predetermined Area dialog to specify the area you want and the method to use. TPC creates a new traverse of the area specified and can place the reminding area in another traverse.
TPC's lots correspond directly with LandXML's parcels.
Traverses and GIS shapes are a good match. A Traverse PC Lot can be imported or exported as a GIS shape. TPC even uses the traverse name to name the GIS shape.
Grouping Lot Traverses
When working with lots in Traverse PC, you may prefer to group your lot traverses. See Grouping Traverses.
If you have lots of lots in a survey, this will help you organize them better. TPC uses the Lots and Parcels traverse groups to coordinate Parcels with LandXML.
Working with Survey Files
Predetermined Area dialog
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