TPC Desktop™ comes in three Editions – Personal, Premium or Professional.

  • There are no additional modules or add-ons to purchase.
  • Just choose the edition that’s right for you and upgrade to another edition, anytime, by paying just the price difference.



Network/Site Licensing Available for Three or More Licenses
FREE Educational License Available
Subscription $/month – billed quarterly $59.95/mo $79.95/mo $109.95/mo
Subscription $/month – billed annually $33.17/mo $53.17/mo $73.16/mo
Perpetual Single User License
Perpetual 3-Seat Network License (20% discount included)
Perpetual 5-Seat Network License (25% discount included)
Perpetual 10-Seat Network License (35% discount included)
Perpetual 20-Seat Network License (45% discount included)


Industries & Editions

Real Estate Agents/Groups
Tax Assessors / Title Companies
Land Dispute Attorneys
Landscape Mapping
Forestry / Resource Management
Accident Investigation  
Archaeology Mapping  
Educational Institutions  
Estate / Ranch Infrastructure Planners  
Commercial Construction staking and layout  
Land Developers    
Civil Engineering    
Public Lands Surveys (PLSS) / CFedS    


Coordinate Reference Systems (CRS)

Point Protection
Coordinate Conversion: Feet/Meters/Chains/Scale Factor
Compute Grid Coordinates from Ground Distance
Inverse Ground Distance from Grid Coordinates
UTM, NAD 83 (2011) (PA11), NAD 83 (Albers), NAD 27  
Country CRSs Included (Canada 3TM/MTM/UTM, New Zealand NZTM2000)  
State & County CRSs Included (Minnesota, Oregon, Wisconsin, Iowa, Indiana)  
Add / Edit your own CRS  
Use ESRI Projection File for CRS  
User-defined Grids and Ellipses  
International or U.S. Survey Foot  
Convert Single Geodetic Point (Lat/Long) <=> Grid Coordinates  



Grid & Ground Distance types
Compute ground distance from project elevation or mean course elevation
Grid & True Direction types
Project mapping angle determines true directions
Select distance and direction types for COGO
Select distance and direction types for drawing areas and labels
Project mapping angle determines true directions
Geodetic videos, learning guide and sample files
Geodetic direct and inverse  
Compute geodetic distance from project elevation or mean course elevation  
Compute true bearing from mean course convergence  
All geodetic computations related to Coordinate Reference System  
Report scale factor and convergence for each survey point  
Computes geodetic areas from project elevation or mean course elevation  
Select geodetic distance and direction types for COGO  
Select geodetic distance and direction types for drawing areas and labels  


Geoid Modeling

Relates GPS ellipsoid heights to elevations – NEW TPC Desktop 2019 R1
EGM84 – 15 min and 30 min resolution  
EGM96 – 5 min and 15 min resolution  
EGM2008 – 1 min, 2.5 min and 5 min resolution  
Cache survey extents for reduced geoid file access (faster speed)  
Users can add their own geoid models in pgm format  
Geoid can be disabled to assumption ellipsoid height = elevation as in NGVD 1929  


Least Squares

Blunder Detection  
Solve Resections  
Four Step Process (Analyze, Solve, Update, Report)  
2D or 3D Adjustments  
Traverse Adjustments  
Undo Adjustments  
Report Positional Tolerances  
Relative Positional Accuracy (RPA)  
Network Adjustments    
Individual Traverse A Priori Values    
ALTA 2021 Minimum Standard Relative Positional Precision    



Interactive COGO Dialogs
Random Inverse
Horizontal Curves
Enter Radial Bearings for Horizontal Curves
Enter Equations for Bearing / Distance / Elevation
Shared Lot Lines-Changing One Changes the Other
Insert Points at Midpoint of Line or Curve
COGO Tools Available in All Views
Rotate / Translate / Inverse / Offset
Intersections Including Offsets / Spirals / Curves
Corner Offsets
Resection / Benchmark
Automatic Lot Setbacks – Front / Side / Rear
Multiple Points on a Line
Compute Offsets to a Line or Curve
Create a Point at a Distance & Offset
Remote Offset-Perpendicular / HA / VA / Horizontal/Vertical Distance
Best Fit Horizontal Curve (Least Squares, average radius)  
Best Fit Horizontal Line (Least Squares, fixed bearing, through point)  
Predetermined Area  
Tangent Intersects with Offsets  
Stakeout / Cut-Fill  
Average Point  



Scale Only, Translate Only, Scale & Rotate, 2D/3D Conformal, Vertical Shift  
Calibrate Photos  
Calibrate CAD entities (i.e. XRef) and files  
Calibrate GNSS & Total Station data  
Site Calibration (automatically calibrate geodetic points)  
Automatic re-calibrate when editing calibration parameters  
Calibrate or Reverse Calibrate Exported Coordinates  


ALTA Surveys

Test: Semi-major Axis of Error Ellipses    
Test: Standard deviations of distances between monuments    
Metric or Imperial precision (0.07′ +/- 50 PPM)    
95% Confidence Interval    
ALTA 2021 Minimum Standard    


Legal Descriptions

Convert Traverse to Legal Description
Edit Legal Description
Insert into Any Drawing
User Style Settings Include Rounding, Abbreviations, Decimals, One Course per Line, More
Spell Check All or Portion of Legal Description


Google Earth

Import / Export KML files  
Import / Export KMZ files  
Import points, traverses, surfaces, lot labels, sideshots, drawings  
Export points, traverses, surfaces, lot labels, sideshots, drawings  



Import / Export LandXML files    
Import / Export Points    
Import / Export Parcels    
Import / Export Alignments    
Import / Export Vertical Curves    
Import / Export Surfaces    


GIS (Shape Files)

Export Survey Points or Traverses as Shape Files
Import Shape Files as Survey Points or Traverses
Export Drawings as Shape Files
Export Point or Polyline shapes
Export Point Labels, Coordinates and Descriptions in DBF File
Writes Projections(.prj) on Export  
Reads Projections(.prj) on Import  
Select GIS Coordinate System on Export  
Import Shape Files into Drawings  
GIS Coordinate Systems (Geographic,Projected,Local)  
Identifies Imported Geographic Shapes without Projection File  
Reference Import Shapes to Survey    


CAD Files – DXF / DWG

CAD View (native CAD files)
Import Coordinates from a DXF File
Export a Drawing as AutoCAD R11-2018 DWG File
Export a Drawing as AutoCAD R9-2018 DXF File
Raster Image Support
Export Entities Only
User-defined Layers
Export Symbols as Blocks
Traverses from CAD Lines / Text / Points  
Import a DXF / DWG File into Drawings with Layers / Hatching / Blocks / More  
Convert Imported Objects to Survey Points Selectively or in Groups  
Check Tolerance of Imported Objects to Eliminate Duplicates  
Exploded Geometry / Grouped Attributes  
PolyFaceMeshes / MeshFaceLoops  
XReferences (Bind, Load, Unload)    


CAD View

Open Native CAD Files (DWG, DGN, DXF, DXB)
Manage Layers (On, Off, Isolate, Freeze, Thaw, etc)
Select and List Entities
Convert Selected Entities to Survey
Edit and Update Existing (save) CAD Files  
Add Entities (lines, circles, text, etc)  
View Layouts  
Convert CAD Formats (i.e. DXF to DWG)  
Send CAD Entities / Layers to Drawing View    
Send CAD Entities / Layers to Drawing View as Group    
Send Drawing View Objects to CAD View    



Automatically Plots All Curve Parameters in Drawings
Enter Any Curve Data & TPC Computes All Parameters
Right-of-Way Offsets
Spirals/Spiral Offsets/Spiral Intersections
Multiple Points on a Grade
Float PC’s & PT’s Along Tangents Automatically
Compute Station/Offset of any Points Based on any Alignment
Vertical Curves    
Cross Sections    



Over 20X Faster & More Accurate  
Multiple Contours Per Drawing-Stockpiles / Construction Phases / More  
Create Contours for All Points / Individual Traverses / Selected Points  
User-defined Contour Intervals / Colors / Line Types / Labels / Borders / Breaklines  
Save / Reset User Settings  
Optional Border  
Fix Blunders Easily with TOPO Point Delineation  
Contour Smoothing  
Break Line Toggle  
Contour Information Reports  
Surface Area / Plan Area / Cut & Fill Areas  
Volumes to a Border / Specific Elevation / Another Contour Surface  
Computes Net Volume / Cut Volume / Fill Volume  
Cut-sheet Report  
Generate Transects from Traverses / Lines / Polylines    
Slope Analysis    
Import / Export LandXML    


Cadastral Surveys (PLSS)

Ground distance and true bearings per PLSS    
PLSS traverses, areas, COGO and drawings    
Single and Double Proportion with detailed report    
Grant and Irregular Boundary adjustments with detailed report    
Offset random line to true line    
Import GMM Township record files, automatically create traverse, auto-plot    
Medial Lines    
Cadastral videos, learning guide, sample surveys, drawing templates, blocks    


Point Codes

Point Code View-List Codes & Descriptions  
Build New Code Tables from Existing Data-Instantly  
Update Existing Traverses with New Points & Codes  
Assign Drawing Settings to Codes for Feature Mapping  
Copy Drawing View Settings Between Codes  
Assign Survey Point Properties  
Point Code Alias  
Manage Multiple Code Tables  
Supports Most Data Collector Codes  


Drawing Codes

Begin Line / End Line    
Begin Curve / End Curve    
Begin Figure / End Figure / Close Figure    
Rectangle from next 3 points    
Curve from next 3 points    
Rectangle from next 2 points and width    
Codes in Notes    
Codes in Point Descriptions    


Plat Checking

Traverses from CAD Lines / Text / Points
Insert Traverse Command
Traverses Manager-Closure Information
Electronic Plat Checking Booklet (PDF)



Uses QuickView Technology for Fast, Accurate, Up-to-date Drawings
Include Complete Survey or Selected Traverses
Center Drawing at Maximum Scale on Any Page
Rotate Drawing on the Page-North Arrow Tracks Automatically
Set Point Symbols / Line Types / Labels / Colors-Globally / by Traverse / Individually
Hatching & Filling
User-defined Hatching
Zoom Page / Extents / Window / Previous / In / Out
Pan with Drag-n-Drop
Paper Space / Survey Space Modes
Hide / Show Objects
Edit Individual Object Properties (Font / Size / Line Type / Symbol / etc.)
Cut / Copy / Paste Text to and from Other Programs
Select Multiple Objects
Trim / Rotate / Resize Symbols
Ortho Mode
Drafted Lines
User-defined Line Types
Variables for File Name / Drawing Scale / Drawing Data / More
Rounded Rectangles
Rotate Rectangles
Interactive COGO Tools
Find Point Command
Repeating Commands
Create Traverses from Drawing View
Erase Multiple Objects
White or Black Background
Traverses can Share Permanent Drawing
Delineate Traverses and/or Points
Gap Point Type to Not Draw Line
Spell Check-Individual Objects / Selected Objects / Entire Drawing
Store / Recall Traverse / Drawing Settings by Name
Traverses from CAD Lines / Text / Points
Insert Traverse Command
User-defined Grid
Insert Legal Description
User-defined Symbols  
Offset Lines Graphically  


Multiple Drawings

Display Traverse in Temporary Drawing or Share Permanent Drawing
Unlimited Number of Drawings per Survey
Duplicate / Rename Drawings


Drawing Commands

Nested Commands
Multi-level Undo
Step-by-step Prompts
Enter Exact Values or Place with Mouse
Horizontal & Angled Text
Leaders with Choice of Arrows
Move / Edit Traverses
Text Box with Word-wrap & Resize
Curved Text, Auto-Curved Text
Outlined Fonts / Text Borders
Insert Picture Files-JPG / BMP / GIF / ICO / TIF / EMF / WMF / PNG
Dynamic Offsets
Dynamic Object Labels
Dynamic Dimensioning
Label Interior Angles
Single & Continuous Lines
Snap to Insert / Mid / End / Perpendicular / Intersection / Tangent
Snap to Nearest
Object Snap
Arcs / Circles / Rectangles
Polylines with Optional Forced Closure / Hatching & Filling
Polyline Smoothing
Rotate / Translate / Duplicate Traverses
Align / Space Text & Other Objects Evenly
Trim / Extend / Break / Copy objects / Fillet / Chamfer  
Convert Drawing Objects to Survey Points  
Graphic Offset Tool  
Rich Text Box & Tools  
Drawing Codes (Begin / End Line / Close / Rectangle / Continue)    


Groups & Blocks

Supports CAD Blocks & Nested Blocks
Edit / Resize / Rotate Blocks
Force a Block to a Single Color
Convert a Block to a Group
Edit Individual Group Members
Insert Objects Into a Drawing
Insert an Object Multiple Times
Group / Ungroup Objects  
Explode Blocks  
User-defined Blocks  
Retrieve & Re-use Blocks from any CAD Drawing  
Choose ‘Share File With Others’ to Include All Block Definitions in File  
Group Last Import (CAD, GIS, etc)    
Reference Group to Survey    


Lot Labels

Automatic or User-defined Lot Labels
User-defined Font / Size / Color / Decimal Places
Acres / Hectares / Square Feet / Square Meters
Automatically Centers Lot Label & Area in Lot
Copy Lot Settings from One Lot to Another
Hide Lot Label Layer  


Export Layers in DXF / DWG Files
Edit Layers On / Off, Freeze / Thaw, Lock / Unlock, Notice / Ignore, Current, Rename, Add / Delete, Forward / Backward, Isolate / Restore  
Isolate a Single Layer  
Ignore Layers  
Add & Delete User Layers  
Control Object Properties by Layer  
Right-click any Object to Access its Layer  
Convert all Objects on a Layer to Survey Points  
Background Layer  


Pictures/Raster Images

Insert pictures into drawings: JPG, GIF, BMP, EMF, WMF, PNG, TIF, ICO, PNG / World Files
Overlay survey on background picture
Reference picture to survey
Resize / Stretch pictures
Crop / Flip / Mirror / Rotate pictures
Pictures Rescale with Survey (Optional)
Export Drawings as JPG, GIF, BMP, EMF, WMF, PNG, TIF, ICO, PNG / World Files
Include Pictures in Exported DXF / DWG Files


Enhanced Hatching

Solid / Hatch Pattern / Bitmap
Predefined Patterns & Bitmaps
User-defined Hatching
Fill Entire Traverses
Clear Hatching Around Text
Associative Hatching Changes with Objects / Traverses
Fill Rectangles, Circles, Polylines, Smoothed Polylines
Append to Smart Legend


Drafted Line Types

100+ Predefined Line Types
Embedded Text –[Utility]–, Symbols Drafted Line Types - Embedded Symbols, Markers –X–X–
Patterns —- — —- —
User-defined Line types
AutoCAD Compatible Patterns


Drawing Templates

Default Template
Template Resizes to any Page Size / Orientation Automatically
Save any Drawing as a Template
Edit Existing Templates
Import Template into Existing Drawing  


Object Library

Preview Symbols for Selection
Organize Symbols in Folders
Dozens of Point Symbols Included
North Arrows / Borders / Title Blocks / Scale Bars Included
Traffic Symbols Included
Sample Stamps & Logo Symbols Included
Standard BLM Corner Symbols Included
User-defined Line types
User-defined Hatching
User-defined Symbols & Blocks Using DXF  
Retrieve & Re-use Symbols from Any CAD Drawing  


Smart Drawing Objects™

Smart Borders
Smart Title Blocks
Smart Line Labels
Smart Point Labels
Smart Lot / Area Labels
Smart Scale Bars
Smart Legend
Smart Line / Curve Tables  
Smart Point / Coordinate Table  
Smart Lot Table  
Individual Traverse Line/Point Tables  
Drawing Details    



Control / Topo / Deeds / Foundations / Features / Areas
Predefined & User-defined Traverse View Formats
Alpha / Numeric Point Labels
Raw Closure / Relative & Linear Error / Area
Set Closed Loop Tolerance
One or Two Lines per Point
Closure Information Available in Traverses Manager
Predefined & User-defined Drawing View Traverse Format
Adjust XYZ / Angles / Undo
Point-by-Point Adjustment Details
Precision Tool (Adjustment)
Adjust Curvature & Refraction / Scale Factor  


Traverse Operations

Insert / Append / Delete / Edit Points
User-defined Reusable Formats
Edit Raw Data
Recompute from Raw Data
Compare Raw Data with Adjusted/Inverse Data
Use Equations to Enter Data
Display Traverse in Temporary Drawing or Share Permanent Drawing
Find Point Command in Traverse/Point Views
Gap Point Type to Not Draw Line
Store/Recall Traverse/Drawing Settings by Name
Copy Points from one Traverse to Another
Re-label Points for Export to Data Collector
Duplicate / Copy Traverses
Precision Tool (Adjustment)


Angle Sets

Compute Angle Sets
Report Angle Set Errors
Multiple Sets
Enter Angle Sets: BFBF / BBFF / BFFB / BF2 / BF4  



Positive & Negative Instrument Height
Positive & Negative Target Heights
Protect Elevations Manually or as Entered
3-Dimensional Drawing Objects
Move point elevations to a surface – NEW TPC Desktop 2019 R1  


Files Supported

not listed elsewhere
Adobe PDF Export
User-Defined ASCII Coordinates
User-Defined Raw Data Files
MS Excel CSV
MicroSurvey Field Genius
Shape Files
Direct Connection to Data Collector / Total Station / Laser
Files Transfer: Ymodem / Kermit / Text
TDS RW5, RAW, CR5, Binary CR5
Carlson Surv CE RAW, Binary CRD
Trimble Business Center
AutoCAD R9-2018 DXF (see CAD for details)
AutoCAD R11-2018 DWG (see CAD for details)
Leica / LisCAD / Pentax  
Nikon RAW V2.0  
Criterion / Impulse / Range-Range / Reverse Direction  
Garmin GPS Waypoints / Routes / Tracklogs / Text / E-Trex (Serial Connections Only)  
SMI Coordinates or Raw Data  
Trimble 5600 Series Total Stations  
Topcon GTS Series Total Stations  
Thales Navigation Z-Max Raw Data  
CST / Berger / Geodimeter 600  
MicroStation V7 / V8 DGN    
DCA R10    
Pacsoft CRD & PDT    
C&G CRD (Binary) & CGC (Binary)    



Edit / Print / Copy / Paste
Coordinates / Traverses / Raw Data / Raw Closure
Survey Summary
COGO Summary
Insert Any Report into Any Drawing
Spell Check All or Portion of Report
Save / Recall / Edit Reports
Station / Offset
Multiple Traverses


Search / Replace / Sort / Query

Find Matching Point Labels & Descriptions
Replace Text in Descriptions
Select Points by Proximity to a Known Point
Select All Points in a Range
Select Points by Matching Text
Select Points by Tags
Sort Points to Nearest Neighbor  


Sun Shots

Sun Shots  



Windows Vista / Windows 7 / Windows 8 / Windows 10
On-Line HTML Help
Download Web Updates
Getting Started / Learning Guide
Electronic Manuals
Network File Sharing / File Locking / Printing
Electronic Plat Checking Booklet
Live Presentation

Updates & Upgrades – Please refer to Traverse PC’s Update and Upgrade policies as well as the individual product pages (Special Offers may be available)

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