35 TerraScan updates released in 2020!In 2021 we will continue the agile development and release new features and versions based on the constant and valuable feedback we get from our customers.

2022-11-22022.028Option to solve mirror angle correction as part of step in drone processing wizard.
2022-11-14022.027Improvements in automatic Match Passes step for UAV data.
Compute distance can compute paint thickness. Computation requires that paint marking and lines have been vectorized as polygons.
2022-11-01022.026Fix in Split at gaps tool in Manage Trajectories. Earlier version cut trajectories too short leaving some points without valid trajectory info.
Scan Settings has Paint line report lengths category for entering a list of length intervals to be used in Output Paint Report.
Support for Latvian geoid model LV14.
Support for Brazilian geoid model HGEOHNOR2020.
Process Drone Data has new settings in Copy result to inactive points. New settings let user decide if remaining inactive points should be classify all to low vegetation or low/medium/high vegetation.
Match Passes step in Process Drone Data. This performs automatic matching of flight passes to each other. This functionality requires a licese of TerraMatch.
Fixes in Place Paint Marking and Output Paint Report for markings which have holes in them.
2022-10-09022.025Find Powerline Wires tool for finding powerline wires without a tower string.
Speed improvement in computing distance to wires.
2022-10-04022.024Fix in Process Drone Data. Earlier version was classifying some small groups of points as building roof.
New Drone Project and Process Drone Data have support for YellowScan UAV laser scanners.
Output Paint Report tool for writing a summary report on selected paint marking and paint line polygons.
2022-09-26022.023Neighbour area setting in project information. Sharp corners will use sharp corner polygon and Rounded corners will use rounded corner polygon when reading points from neighbouring blocks.
Fix in Process Drone Data. Version 022.022 classified small groups of points as building roof.
Remove duplicate points setting in New Drone Project. This will leave out consecutive points with identical coordinates.
Classify isolated points option Process Drone Data and Smoothen and remove noise step. This option will classify isolated noise points into class 7 - Low point.
2022-09-14022.022Wizard / Create Drone Macro menu command for creating a macro from selected drone wizard processing steps.
Place Paint Marking tool has new Automatic using points and Automatic using ortho modes. These will find best matching marking and its position automatically either using point cloud intensity or using raster references.
2022-08-30022.021Top Surface classification for classifying top of canopy or classifying points suitable for true ortho production without building vector models.
2022-08-15022.020Find Wires works better with airborne data.
Fix in Australian GDA 94 projection systems.
2022-07-27022.019Setup installs ASPRS standard list of point classes as \terra64\tscan\asprs.ptc.
Builtin support for Australian geoid model 2009.
Development Replace Angle Scan keyin command for populating Scan angle field with estimated scan angle values.
Scan angle field unit setting in user point file format definition. Unit can be degree or integer units as defined in LAS 1.4 file format.
2022-07-20022.018Better bounding circle routine in Draw Polygons.
Channel mapping in extracting color for point cloud from images. Channel mapping makes it possible to extract RGB channels from one set of images and NIR channel from another set of images.
Setup comes with three C/C++ header files which give prototypes of public functions in TerraScan. You can call these functions from your own application code.
Display mode has Relative and Smooth fill weight settings. Relative gives a point weight which varies based on zoom level. 'Smooth fill' gives a smoothed coloring effect. Smooth fill is good for viewing surfaces such as asphalt road using intensity or point color.
2022-07-05022.017Improvements in Place Paint Line tool.
View positions in Manage Trajectories shows travel speed at each position.
Tools / Draw into design in Manage Trajectories can color trajectories by travel speed.
Classify by Echo can classify points which have zero as echo number or as echo count.
Convert time in Manage Trajectories shows conversion result for first time stamp.
Distance coloring scheme has setting for how to color points with no distance value.
2022-06-23022.016Improvements in multiple application window support on MicroStation.
2022-06-14022.014Fix for MicroStation bug in multiple application window support.
2022-06-12022.013Scan Close Dialog xxxxx keyin command for closing a modeless dialog where xxxxx is name of the dialog. Scan Log Dialogs writes names of dialogs into log.
Better support for multiple application window use in MicroStation.
2022-05-30022.011Fix in Modify Tree Cells. Modification of Note field only was not being saved in the cell.

Fix in reading tree cells from text file. Earlier versions were not reading Note information.

Improvements in automatic paint line search and reading paint lines from text file.

Mark Elements by Centerline tool for marking linear elements which are close to selected centerline elements.
2022-05-18022.010Balance using intensity option in Extract Color from Images. This can reduce the visibility of seamlines.

Support for TerraPhoto's Balance using intensity option in orthorectification.
2022-04-14022.007Fix in Output points macro step for file format with Surface dZ field.
Fix in Classify Using Brush. Tool was not displaying a circle in a 3D view if point cloud was displayed as points and not as raster.

Scan Settings has color and weight settings for Classify Using Brush circle.
Maximum number of attachment in one tower cross arm increased from 12 to 20.
Projection system change runs faster when reading points in or importing into a project.
2022-04-02022.006Fixes in silent setup.

User trajectory file formats support rotation as quaternion values.
2022-03-23022.004New scripting interface.
2022-03-17022.003Place Paint Marking tool for placing road paint markings.
Place Crosswalk tool for placing paint stripes of a crosswalk.
2022-03-15022.002Fix in silent mode setup.
2022-03-13022.001Setup supports installing executable files and settings files to separate locations (such as c:\Program Files\Terrasolid and c:\terra64).
2022-02-17021.041Output / Write Element Vertices menu command for writing vertices of selected elements to a text file.

Low points classification tool supports selection of multiple source classes.

Support for Poland EVRF2007-NH geoid model in Adjust to geoid.

Fix for problem when unloading and loading application again during same CAD session.
2022-01-24021.040Xyz - Wires option in Smoothen Points. This will smoothen points which are hits on linear features such as wires.
Identify button in Manage Trajectories lets you select multiple trajectories using Ctrl key.
Scan Settings and Point Display category has Ignore Borders in section view setting.
2021-12-24021.039User interface improvements in New Drone Project.

Support for Lambert Conic Conformal projections with one standard parallel.

Support for reading scanner number from LAS1.4 and LAZ1.4 Scanner Channel bits.

Support for LAZ1.4 as target format in Convert storage format menu command in Define Project.
2021-12-17021.038Support for reading and writing coordinate system information into LAS, LAZ and FastBinary files.

Old builtin projection systems removed and replaced by EPSG code based projection systems.

Projection change type transformation need to be redefined to use EPSG codes.

Save List As menu command in Check Footprint Polygons. Saves footprint polygon list into a text file.

View / Column titles menu command in TerraScan Main Window. If on, shows column titles above list of points.
2021-11-23021.037New transformation type: Scale from center. This applies a scale factor to points relative to a given center point.

Tool settings dialog remembers its own position and does not follow CAD system's tool settings.

Transform coordinates menu command in Define Project replaces earlier Transform boundaries.
New tool can apply a coordinate transformation to both point cloud and project block boundaries. New tool supports projection change where user specifies EPSG code of source and of destination projection sysem.

Support for Madagascar Laborde Oblique Mercator projection.

Improvement in automatic building vectorization.
2021-11-16021.036Support for Switzerland CH1903+ projection system.

Support for Switzerland LHN95 and LN02 geoid corrections.

Bug fix in reading multiple extra attributes from LAS or LAZ files.
2021-11-10021.035Import into project has Thin by order option for autmatically thinning incoming data if consecutive points are very close to each other.

Cut long has Relative limits mode where search radius and range difference is relative to range of point being considered for removal.

Cut overlap by range has new modes: 3D range - favor first, 3D range - favor last, Offset - favor first and Offset - favor last. You can use these with mobile data where you have repeated passes along city streets.

Speed improvements in running some macro steps on a mobile project.

Search tielines macro step can be run on project without trajectories.
2021-11-04021.034Fixes in LAZ 1.4 support.
Line / Rotate can rotate points in a cross section view. Rotation is around z axis of the view.
Improvements in dialog positioning and operation when using multiple application windows with MicroStation-
2021-10-30021.033Ability to store Distance, Group and Normal vector attributes into LAS 1.2, LAS 1.4, LAZ 1.2, LAZ 1.3 and LAZ 1.4 file formats.
2021-10-20021.032Support for LAZ 1.4.
Read directory menu command replaced by Read collection. New tool lets you collect multiple files from multiple folders.

Import directory menu command in Define Project replaced by Import collection. New tool lets you collect multiple files from multiple folders.

Improved logic in splitting trajectories by sharp turns.

Bug fix in reading points with Increase by file for scanner numbers.

New Drone Project now saves the created point class definitions as .ptc file in storage folder.

Bug fix in adding points to a project with Reliability attribute.
2021-10-12021.031New Drone Project supports multiple input point cloud files and multiple input trajectory solution files.
Transform loaded points can apply a projection change transformation between two directly selectable projection systems.
Bug fix in reading and writing LAS 1.4 files with more than 2.1 billion points.
Show location in Manage Trajectories will hilite all selected trajectories (not just one as in earlier versions).
2021-09-29021.030New Drone Project Wizard has builtin support for a large number of projection systems and can perform ellipsoidal to orthometric elevation correction during import.

Process Drone Data Wizard can use vegetation index to separate above ground features into vegetation and non-vegetation classes.

Adjust to geoid tool can convert between ellipsoidal and orthometric elevations without geoid model conversion. Tool supports a number of geoid model sources. Note that models come only with installation bundle package. Individual product package for TerraScan does not include geoid models.

Development Normals keyin command supports optional parameter specifying length of line to draw.

Fix in Increase by file option for assigning line numbering during reading points in.
2021-08-13021.029Fix in Output by line. Earlier versions did not write Amplitude, Echo length, Reflectance or Reliability attributes to LAS 1.2, LAS 1.4 or LAZ 1.2.
Fix in cutting overlap by offset with elliptical scan pattern.
2021-07-30021.028Enter position tool in Xyz Control Report window for entering control point location manually.

Apply / Rubbersheet correction... menu command in Xyz Control Report.

Fix in Classify height from ground step in Drone project / Process data wizard. Earlier versions left some higher points in low vegetation class.

Better support for feet based coordinate systems in drone project wizard.

Application / TerraScan / Settings.. menu command in Spatix version. This lets you change user settings before you create or open an .spx vector file.
2021-07-20021.027Measure Point Noise tool for measuring point-to-point noise in point cloud.
Output Control Report has option for checking xyz accuracy using signal markers.
2021-07-16021.026Bug fix in Measure Point Noise. Tool was zeroing intensity values.
2021-07-15021.025Measure Point Noise tool for measuring point-to-point noise in data set. Tool reports average distance from a point to a plane fitted to closest neighbours. If you use a small time tolerance, tool will use neighbouring points only from the same pass so mismatches between passes do not chnage the result.
Output Control Report has a menu command Apply / Elevation shift for applying average dz correction when run on loaded points.
Output Control Report has a menu command Apply / Rubbersheet correction for applying rubbersheet elevation correction when run on loaded points.
2021-07-07021.024Bug fix in ground classification. Bug was causing circular non-classified areas in version 021.022 and 021.023.

Improvements in Drone project / New and Drone project / Process data tools in UAV version.
2021-06-28021.023Performance fix in Apply Fixes menu command in Check Footprint Polygons.
Scan Settings now has category LAZ format for controling how to read possible bad bit depth color values from LAZ files.
2021-06-15021.022Deduce trajectories menu command in Manage Trajectories. This creates approximate trajectories based on the point cloud.

Design block boundaries can label area of polygons formed. You can design project blocks without reading points in if point density is uniform enough.

Support for storing reliability (=confidence) values into LAS, LAZ or FBI files.
2021-06-09021.021Support for reading Agisoft Confidence values from LAS and LAZ files. TerraScan uses the values as Reliability attribute for points.

Display points colored by reliability.

Classify / By reliability for classifying points by reliability.

Cut low reliability tool for removing low reliability points where closeby points have higher average reliability.

Classify / Surface points can use reliability as weight factor.

Smoothen points can use reliability as weight factor when smoothing xyz.
2021-06-04021.020Software can now display points colored by amplitude.

Classify / By intensity can now classify points based on amplitude or reflectance.

Merge small blocks makes better choices in what neighbouring blocks to merge.

Sorting points sorts active block points separately and points from neighbouring blocks separately.
2021-06-02021.019View / Fields menu command in Define Project for selecting visible fields in the list of blocks.

Merge small blocks menu command in Define Project supports merging blocks based on area. Previous versions recognized small blocks always by point count.
2021-05-31021.018Compute distance has new option Deviation. This translates pulse deviation value to a distance value which can be be smoothed and then used as a probability factor in ground classification.

View fields menu command in Check Building Models for choosing what fields to view in the list.

Define Project has new pulldown menu tool Clip boundaries. This clips block boundaries using selected bounding polygons.
2021-05-20021.017Draw line boundaries in Define Project renamed Draw cloud boundaries. Tool can now draw the boundary for the whole project point cloud.
Draw polygons runs faster when drawing polygon for the whole point cloud.
Building vectorization now gets ground elevation finding the lowest ground elevation along footprint polygon.
2021-05-14021.016Fix in writing border group information when running a macro on project with Create new copy setting in Save points.

Running a macro on a project now has Run using setting with options This computer only and Network computer(s).
2021-05-07021.015Assign color has Assign to setting with option Non-colored points only.
Assign color can assign intensity auto coloring to points.
Classify Using Brush displays points being classified dynamically.
2021-04-29021.014Fix in Assign Point Class button which swaps From class and To class.
Change in trajectory file naming. Software now generates file names which show start time (and end time if GPS seconds of week) using 0.01 second resolution.
Place Tower String and Place Railroad String now have Undo last button in tool settings. This removes the last vertex entered.
Read all subfolders check box added to Read directory dialog.
Import all subfolders check box added to Import directory dialog.
Show location in Manage Trajectories lets user select hilite color, weight and style.
View / Color histograms menu command for viewing histograms of color channels for loaded points.
Fix in running automatic building vectorization without footprint polygons.
2021-04-12021.013Fixes in automatic building vectorization.

Check Footprint Polygons can check for overlapping polygons.
2021-04-06021.012Fixes an issue with created GDI objects not being released.
2021-03-29021.011Output group info menu command for writing a list of groups such as trees.

Measure Trunk Diameters for measuring tree trunk diameters at breash height.
2021-03-22021.010Fix in user defined button level assignment in Check Footprint Polygons.
2021-03-22021.009Improvements in Check Footprint Polygons.
2021-03-19021.008Fixes for some user interface issues.
Message dialog added to end of some lengthy processes.
2021-03-15021.007Improvements in Check Footprint Polygons.
2021-03-10021.006Ability to view footprint polygons against oblique airborne images in Check Footprint Polygons.
2021-03-02021.005New display coloring mode Reflectance. This colors points by reflectance values using an automatically fitted gray scale scheme.
New display coloring mode Deviation. This colors points by pulse deviation values using user defined coloring scheme.
Classify / By deviation menu command classifies points based on pulse deviation values.
Parameter attribute renamed to be Amplitude as that is the typical value stored.
Compute distance has new option Echo length. This translates echo length (=pulse width) value to a distance value which can be be smoothed and then used as a probability factor in ground classification.
2021-02-15021.004Read buildings has options for drawing complete building model or selected component types (roof, wall, base).
Group / Write Group Points menu command for writing each group into a separate file.
2021-01-29021.003Improvement in Add using files menu command in Define Project. Tool will optionally adjust borders of imported blocks to even coordinate values.

Support for upto 20 fields in user defined point file formats.

Check Footprint Polygons has new method Check as list. This compares laser points against footprint polygons and displays results as a list. User can check one polygon at a time and shift or rotate polygons to match the laser data.
2021-01-18021.002Bug fix in Write by line menu command in Define Project. Tool messed up RGB colors in the data.
Assign color has options for limiting assignment by line, scanner or fence.
2021-01-15021.001New display coloring mode Normal. This colors points by direction of slope.
2020-12-08020.037Fix in Classify / Model keypoints source class selection.
Export raster image has settings for specifying background color.
Fix in exporting rasters colored by class from project.
Support for TerraModeler TIN models in Compute distance macro action.
Support for copying Distance, Group, Normal vector, Deviation and Reflectance in Copy from Reference.
2020-11-23020.035Improvements in editing building vector models.
2020-11-19020.034Fixes issue with LAS1.4 format not working with Block / Add using files in Define Project.

Fix in reading GeoTIFF files and applying a coordinate transformation during the read operation.

Fix in Write by line menu command in Define Project. Tool was not working with LAS format.

Fixes a bug which caused macro execution to never complete if assigning groups action did not create any groups.

Improvements in building vectorization and 3DCityDB storage.
2020-11-06020.032Inside fence only option added to Classify / Trajectory interval tool.

Write by line menu command in Define Project for writing out project data by line sorted into time order.
2020-10-28020.031Find Rails can vectorize rails from airborne data using new Rail top hits option.

Thin points has option to keep Biggest distance or Smallest distance point.
2020-10-20020.030Support for Reflectance and Deviation attributes in LAZ read and write.
2020-10-09020.029Quality improvements in automatic building vectorization.

Check Building Models can check for roof polygons intersecting each other.
2020-09-21020.028Mark Polygons by Centroid tool for marking polygons which are inside selected bounding polygon(s).

Improvements in building vectorization.
2020-09-09020.027Vectorize Buildings has a user setting for fixed point density setting.

Improvements in automatic building vectorization.

Validate Models command in Check Building Models can check water tightness of vector models.
2020-08-31020.026Inspect Groups has Section View setting. This creates a section view aligned with the shape of the group.

Assign Groups has a user setting for fixed gap distance between groups for Group by density.
2020-08-27020.025Support for distance coloring in Export raster images from project window.

Elevation coloring using smoothly changing RGB colors. Older version used colors from design file color table.

Export to Google Maps menu command in Define Project for publishing point clouds in Google Maps.

Convert storage format in Define project now supports writing converted data to another folder.
2020-08-18020.024Macro window is resizable.

Convert geoid model supports RAF18 as source file.

Convert geoid model supports Belgium HBG03 and HBG18 as source file.

Support for Intensity auto coloring mode for TerraPhoto rendering.
2020-08-12020.023Support for Netherlands RD NAP 2018 projection system and correction grids (which come with setup package).
2020-07-22020.020Fix time macro action has Class and Lines settings for specifying which class(es) and line(s) to apply the fix to.

Hard surface classification runs faster.

Ground classification runs faster.

Use Distance as rating setting in ground classification for using vegetation index (stored as distance) as probability factor for how likely a point is to be ground. This can improve ground classification result with photogrammetric point clouds.

Improvements in Add Synthetic Point tool.
2020-07-14020.019Check bit depth in Read points option added to Scan Settings and File formats / LAS format category. When Bit depth is set to Correct 16 bits and Check bit depth in Read points is on, TerraScan will check color bit depth found in LAS files. If all color values are between 0-255, it will automatically scale the color values to proper 16 bits.

Compute distance can compute distance values from builtin vegetation indexes Normalized difference and Visible band difference.

Smoothen points can smoothen distance values.

Fixes a memory leak issue in point display. Problem could cause a crash after a longer interactive work session.
2020-07-10020.018Cloud type settings in Read points dialog. You should set cloud type whenever reading data. This affects speed optimization in many routines.

Classify / Groups / Moving objects has new settings Limit and Require. Older software versions had these two settings hard coded as 50%.

Display mode has Time and Time+intensity options in Color by.
2020-07-00020.022Distance coloring mode uses true colors now and lets you specify a distance range to be displayed using intensity coloring.

Road bumps and potholes option in Compute distance.
2020-06-29020.017Fix in class usage in Classify / 3D fence menu command.

Support for Riegl POQ format 1.0.
2020-06-16020.016Measure Coverage tool for finding out how much a feature type (=class such as tree) covers of selected polygons.
2020-06-15020.015Import trajectories will automatically read matching accuracy files for POF and SBET.OUT file formats.

Display mode has Density option in Color by.
2020-06-12020.014Speed improvement in Hard surface classification.
Resizable main window.
2020-06-01020.013Improved logic in Cut turnarounds in Manage Trajectories.

Improvements in Create along trajectories.
2020-05-28020.012Create from trajectories menu command in Define Project. This can create block boundaries for corridor projects automatically using only trajectory information.

Delete empty and Merge small options in importing points into a project.
2020-05-13020.011Bug fix inTransform points with Height from ground transformation type.
2020-05-05020.010Resizable Check Building Models window.

TerraSlave can run building vectorization.
2020-05-04020.009Trajectory / Set accuracy menu commands can now enforce given minimum accuracy estimates for trajectory positions. For example, you can enforce that all trajectory positions have a xy accuracy estimate of at least 0.011m.

Scan Settings has new category Trajectory accuracies. This lets you specify minimum accuracies to apply when importing trajectories.

Fix for missing toolbox icons in Spatix version.
2020-04-23020.008Labeling fixes in some dialogs.

TerraSlave runs tasks now also with TerraScan license which is not tied to a specific computer.
2020-04-14020.007Import points action modified to work together with new TerraSlave version.
2020-04-01020.006Completely new version of TerraSlave which makes it easy to run multiple instances of TerraSlave to speed up processing. Installation includes TerraDispatcher which you can use to manage how many instances of TerraSlave run on each computer.
2020-03-05020.005Define Classes window is resizable.

Manage Trajectories window is resizable.

Check Tunnel Sections window is resizable.

Bug fix in Define Project dialog which was sometimes missing pulldown menues.
2020-03-02020.004Define Project window is resizable.

View Position window in Manage Trajectories is resizable.

Fix Export raster images from Define Project dialog. User can now enter minimum and maximum intensity value.
2020-02-28020.003Compute distance has option to compute distance to Another class.

Fix in Define Project attributes dialog where Reflectance and Deviation can now be selected.

Support for signed short values for Riegl amplitude and deviation values in LAS files.
2020-02-25020.002Support for reading PTS file format without RGB values.

Fix in Block / Create by centerline menu command in Define Project. Tool now creates boundaries which follow the shape of selected alignment better.
2020-02-23020.021Fixes in Add Synthetic Point tool.
2020-02-06020.001Assign Color to Points can assign group colors to points.

Scan direction coloring mode in point display.
2019-12-19019.030Fix in positioning dialogs for multiple monitor setups.

Almost full depth option added to Move Section tool. You should use this rather than Full view depth if you use mouse wheel to zoom in and to zoom out in the section view.

Fix in Xy multiply type transformation dialog. Earlier version truncated values entered into the dialog.

Open Scan Project keyin command restored.

Add Point To Ground keyin command restored.
2019-12-18019.029Fix in generating base polygon for building vector models.

User defined vegetation indexes. User can choose computation formula and what color channels to use.
2019-12-12019.028Fix for running TerraSlave tasks on multiple computers.
2019-11-25019.027Fix in applying Default coordinate setup user settings. Bug could cause TerraModeler TIN models to get messed up coordinate values and elevations.
2019-11-14019.026Bug fix in tower editing tools.

Bug fix in exporting raster images from a project.
2019-11-12019.025Bug fix in undo. Undo could lose scan direction and edge of scan line bits.
Support for variables in Create model macro.
2019-11-01019.024Fix in parsing keyin parameters for Classify Fence, Classify Above Line and Classify Below Line.

Handling of ENTER key in Windows dialogs: pressing ENTER applies OK button or moves to next field.

Fixes issue of dialogs being hidden behing MicroStation main window if TerraScan was started as a design application with MS_DGNAPPS environment variable.

Support for GPS seconds-of-day and UTC seconds-of-day as source time system when importing trajectories or converting trajectory time stamps.

Xy distance and Z difference fields added to Output Report in Find Danger Objects. Xy distance is horizontal distance between laser point and hit on wire. Z difference is elevation difference between laser point and wire hit.
2019-10-30019.022Fixes following issues:
- Dialog for opening multiple files was not showing filtering choices such as LAS files or FBI files.
- Default display mode settings in Settings tool and Point Display category were not used.
- Color was not selectable as an attribute to copy in Copy from Reference.
2019-10-29019.021Option in Find Danger Objects to report only the closest wire hit for each laser point.
2019-10-28019.020Add using files in Define Project now supports also Fast Binary file format.

Windows dialogs replacing MicroStation dialogs.
2019-09-23019.019More precise use of Offset setting in Find Danger Objects tool and in classifying wire danger points.

Bug fix in Classify / Routine / By height from ground menu command. Tool did not classify anything if user never changed the ground class setting in the dialog.
2019-09-16019.018Windows dialogs.
2019-09-16019.017Update 019.017.
2019-09-16019.016Update 019.016.
2019-09-16019.014Update 019.014.
2019-09-16019.013Update 019.013.
2019-09-16019.012Update 019.012.
2019-09-16019.010Update 019.010.
2019-04-10019.008Check Tunnel Sections tool for checking tunnel cross section vectors using a traversable list.
2019-04-07019.007Note text field added to Modify Tree Cells and into Output Trees. This allows user to enter a free text note for each tree.

Classify / By class supports multiple source classes.
2019-03-27019.006Sort and renumber setting in Split at laser gaps. This sorts trajectories by time and renumbers after splitting.

Increase by file setting for groupd id added to import trajectories.

Bug fix in Find Danger Objects. Bug could cause a crash.
2019-03-22019.005Bug fix in Fit using targets. Bug could cause software not to find any targets or to crash. Bug was more likely to occur in Windows 7.

New options in Thin points. You can select to keep First echo or Last echo. Keep whole pulse setting keeps all points from the same pulse if it decides to keep one.
2019-03-04019.004Fixes in unit labeling (m, ft or sf) in dialogs.
2019-02-16019.003Fix in callable function FnScanRead() for reading points inside fence only.
2019-02-15019.002Bug fix for handling of scan direction flag with LAZ file format in projects.

Bug fix for running macro on files with color information and saving as LAS 1.4. Software unnecessarily stored fourth color channel also when the source data was three channels only.

Improvements in Development Assign Echo keyin.
2019-02-04019.001First 019 release.
2019-01-14018.099Last version 018 update. This version works with 018, 019 or later licenses.
2018-12-10018.025Fixes in handling of more than three channels of color information.

Fit using targets can georeference Matterport data using surveyed signal markers.
2018-12-03018.024Fix in Write section points macro action.
2018-11-22018.023Bug fix in Vectorize Building. Bug could cause some close to horizontal planes to be merged with a neighbouring plane even when the resulting mismatch was outside tolerance.
2018-11-20018.022Line pulldown menu has Translate and Rotate tools.

Line / Cut long range menu command and macro execution for cutting long range measurements if there are shorter measurements from same line closeby.

Fit using targets menu command for fitting a point cloud to control measurements or to a reference point cloud. Tool can find ball targets automatically, link those to right target system coordinates automatically and apply a two step transformation.
2018-10-24018.021Addon source codes come with Visual Studio solution file.
2018-09-11018.020Draw line boundaries menu command in Define Project for drawing polygons for area covered by each pass.
2018-09-05018.019Compute distance macro action supports computing distance from points to powerline wires.
2018-07-04018.018Parameter attribute added to user defined point file formats.

Copy from reference supports copying Echo length and Parameter attributes.
2018-06-21018.017Fix in Create Point Group tool. Bug could cause a crash when Create using setting was set to Current group.
2018-06-20018.016Fix in Find Danger Objects when Report setting is set to By minimum interval. Bug could cause report to contain points unnecessarily close to each other and also to leave out a more critical point.
2018-05-14018.013Fix in Find Danger Objects. Bug caused non-danger points to be found in the first tower span.
2018-05-09018.012Fix in running Classify / By vegetation index on loaded points with three channels of color information.

Fix in Find Danger Objects. Bug could cause some tower intervals to be ignored in the search.
2018-04-16018.011Display fixes.
2018-04-04018.010Faster display speed.

Speed improvement in assigning groups.
2018-03-28018.009Fix in Split at laser gaps when running using loaded points.

Speed improvement in Compute normal vectors.

Speed improvement in Classify / Surface points.

Speed improvement in smoothing xyz.
2018-03-20018.008Sorting by Line and time, Line, scanner and time and Xy location added to pulldown menu and to macro action.

Classification of groups by vegetation index.

Classify / Wire danger points considers points before first tower string vertex and points past last tower string vertex as potential danger points if they are close enough to wires.
2018-03-14018.007Classify / Closeby points has options 2D above, 2D below, 3D above, 3D below

Tolerance setting for intersection lines in Check Building Models and Draw Roof Lines.

Evaluate expression macro action has been removed. This operation relied on a MicroStation capability which is not supported by 64 bit MicroStation.

Display dynamics setting in display mode dialog for Shaded coloring mode. This setting controls whether shaded surface will display during dynamic view movement/rotation such as panning.

Speed improvement in Classify / Surface points, Smoothen points with Xyz option and Compute normal vectors operations.

Match Roof Elevation tool for modifying a roof plane equation so that selected vertices match elevations of neighbouring patches.
2018-02-18018.006Convert geoid model menu command support Norwegian geoid model file format (href2016b_nn2000_euref89.txt).

scan display close keyin command for closing display mode dialog.

view tower previous keyin command for moving to previous tower in View Tower Spans list.

view tower next keyin command for moving to next tower in View Tower Spans list.
2018-02-05018.004Improvements in Fit to reference menu command.
2018-01-29018.003Dimension, Normal X, Normal Y and Normal Z field types added to user defined point file formats. You can now write out normal vector information calculated for points.

Support for reading PTS file format.

Faster reading of many text file formats.

Fix in converting from Lambert projection system to another projection system in the southern hemisphere.
2018-01-11017.039Bug fix in saving points with color information inside fence only to a Fast Binary file.

Draw Plane Section tool for creating a cross section view for a planar surface in the point cloud.
2017-12-23017.038Fix in powerline tower modification tools.
2017-12-22017.037Fix in powerline tower tools.
2017-12-20017.036Extrude Building tool has options for how to treat overlap between existing planar patches and new planar patches being added.

Assign Plane Symmetry tool for forcing planar patches to have the same plane equation, to have the same base direction or to have the same slope angle.
2017-12-01017.035Fix footprint button in Check Building Models for fixing small
mismatches between footprint polygon and roof model.
2017-11-28017.034Match setting in Synchronize Views works now with perspective views.

Coloring by Image assignment fixed to work also when Use depth is off and points are displayed as points.
2017-11-23017.033Improvement in Check Building Models.
2017-11-11017.031Bug fix in deleting points. Version 017.030 messed up color values in operations which deleted points.

Vegetation index coloring in display mode. This requires four channel color information and colors points using Normalized Difference Vegetation Index.

By vegetation index classification routine for classifying points based on Normalized Difference Vegetation Index.
2017-11-08017.030Ability to extract upto 10 channels of color information from images and sotre into fast binary files. Ability to store 4 channel color information into LAS 1.4.

Validate models menu command in Check Building Models for finding flaws in vector models.

Enforce footprint as edges option in Check Building Models. This will clip roof polygons in vector model using footprint polygon.
2017-10-13017.029Fix in Find Poles tool.
2017-10-13017.028Check Building Models can display automatic cross section views of active building.
Draw Roof Lines tool for drawing relevant roof lines of selected building models.
Set All Edges has option set edges of a single patch.
Modify Edge has new options Along closest line and To base 90 deg angle.
Insert Edge Vertex has new option Base 90 deg angle.
2017-10-05017.027Point radius method added to Check Footprint Polygons tool. This gives another method in checking whether polygons are properly covered with point data.
2017-09-21017.026Improvements in Classify / Below surface.
2017-09-20017.025Classify / Below surface supports multiple source classes.

Classify / Below surface has a new option to compare points against a locally fitted curved surface.

Convert time stamps macro action can convert from UNIX time.
2017-09-13017.024Improvements in Find Poles tool.

Label Clearance tool for labeling clearances of bridges or other features. Use Compute distance first to compute height above ground value for each point. Draw 2D polygons for areas to inspect. Label Clearance will find the smallest distance value of points inside each polygon, classify that point and place a label in the design file.

Bug fix in Compute distance when comparing against design file elements.
2017-09-05017.022Ability to search tie lines as a macro step.
2017-07-04017.021Ability to set number of decimals in label with Measure Point Density tool and selected polygons.

Bug fix in ground classification. Bug could cause a crash.
2017-06-27017.020Bug fix in saving LAS files. Bug could cause crash with certain VLR records.
2017-06-26017.019Compatibility with MicroStation Connect Edition update 5.
Improvements in Find Pole Objects tool.
Fix in class output in Find Danger Objects and Output report menu command.
2017-06-05017.018Find Pole Objects tool for finding, classifying and vectorizing poles matching example point clouds in object library.
2017-05-22017.017Group / Clear by class menu command and macro action for clearing group values from points in selected classes.
2017-05-08017.016Fix in reading Echo length field from user defined file format.
2017-05-05017.015Support for reading in GSF file format.
2017-04-27017.014Fix in Update Distance Coloring tool.

Fix in scan angle value storage in Fast Binary files.

Fix for macros with Find wires step.
2017-04-20017.013Slope coloring in Export raster images. This creates slope coloring based on normal vectors.
2017-04-12017.012Bug fix in applying Projection change transformations involving a correction model.

Bug fix in Classify groups / By Distance macro action. The action did not classify groups correctly.
2017-04-06017.011Bug fix in Classify / By centerline using vectors from a given level.

Bug fix in Vectorize Buildings.
2017-03-27017.010Bug fix in Cut overlap tool.
2017-03-25017.009Bug fix in Classify groups / By best match macro action.
2017-03-22017.008Import scanner positions menu command in Manage Trajectories for importing tripod mounted scanner positions from a space delimited text file with format:
number easting northing elevation

Fix in Project into sections menu command.

None class selection added to Travel View. Mouse click determines viewer elevation.

Open inside fence works faster.
2017-03-07017.006Faster export of Road intensity raster images.

Bug fix in Cut turnarounds. Bug could result in a crash.

Bug fix in Classify / Closeby points. Bug could cause a crash when run as a macro step.
2017-02-27017.005Compute normal vectors has an option for specifying towards what direction normal vectors should be turned. Choices are trajectory, center point and upwards.

Classify / Groups / By centerline classification tool.
2017-02-10017.004Support for Color+intensity coloring mode in rendering.
2017-02-02017.003Wait for completion setting added to Execute command macro action. When this setting is on, TerraScan will wait until launched command has completed before running next macro step.

Fix in displaying points when view has Clip front and Clip back settings off.

Support for using Riegl Pulse width and Amplitude point attributes. Fast Binary, LAS 1.2, LAS 1.4, LAZ 1.2, LAZ 1.3 and LAZ 1.4 formats can store pulse width as Echo length and amplitude as Parameter.
2017-01-13016.034Improvements in Assign groups.
2016-12-19016.033Create Tree Cells tool for creating tree cells from grouped and classified tree hits.

Modify Tree Cells tool for checking tree cells and modifying tree information.

Output Tree Cells tool for writing out tree cell information.
2016-11-30016.032Draw polygons supports creating polygons for each group.

Draw polygons as macro action.

Ability to run on PowerDraft Connect Edition.
2016-11-18016.030Fix in LAS 1.3 support. Fix affects waveform use as well.
2016-11-17016.031Support for LAS 1.4 waveform data.
2016-11-09016.029Fix in importing points from a fast binary file into a project. Bug could cause some attributes not to be imported from a fast binary file containing attribute streams.

Fix for dialog settings in macro action Classify / Closeby points.

Support for SBTC/SBIC trajectory format.
2016-10-28016.028Quality improvements in automatic building vectorization.
2016-10-27016.027Fix in line number handling in Add Synthetic Point.

Undo support in Merge Point Groups and Create Point Group.
2016-10-20016.026Bug fix in computing normal vectors. Bug could cause a crash.

Move Forward and Move Backward keyin commands accept a new parameter:
Move Forward stayactive 3
would move view 3 forward and stay active waiting for mouse click to move.
2016-10-17016.025Macro actions for classifying groups by best match, by class, by distance and by parameters.
Improvements in Group / Test parameters.
2016-10-07016.024Settings tool and Point display category has settings for how non grouped points will be drawn in view windows when coloring by group.

Faster Assign groups.

Improvements in Groups / Classify / By best match.
2016-09-27016.023Faster snapping to points.

Improvements in Assign groups.

Groups / Classify / By class menu command for classifying groups by class.

Bug fix in Travel Path. Bug could cause a crash.

Faster Draw Vertical Section with big point count.

Median Z option in thinning.

Groups / Classify / By distance menu command for classifying groups by distance.

Groups / Classify / By best match menu command for classifying groups to best matching target class.

Support for OSTN15.

Distance field added to user defined point file formats.
2016-08-28016.022Compute distance menu command and macro action for computing distance values for points.

Classify / By distance menu command and macro action for classifying points based on distance values stored.

Classify / Surface points menu command and macro action for classifying points matching a local smooth surface.

Improved grouping of points in Assign groups.

Group+intensity display mode.
2016-07-27016.021Improved display speed when placing or manipulating vectors on top of laser data.

Thin points has two new methods: Grid 2d and Grid 3d. This perform thinning looking at a group of points inside one grid cell.

Inside fence setting accepts multiple selected polygons. Note that this does not apply to TerraSlave.
2016-07-13016.020Bug fix in reading/writing echo numbers into LAZ files.

Bug fix in Draw into profile menu command.
2016-07-12016.019Improvement in Find Wires.
2016-06-27016.018Fix in Export lattice model macro action when outputting Distance to point lattice.

Support for reading in point record types 9 and 10 from LAS 1.4 files.
2016-06-20016.017Split at gaps menu command in Manage Trajectories can now use loaded points. Previously this tool always required an active project of points.

Fit to view option in elevation coloring. This improves the visualization when zoomed in.
2016-06-13016.016New coloring mode Normal+intensity added.

Bug fix in importing user defined text file formats into a project.
2016-06-10016.015Read reference points menu command for reading points to use as reference points.

Fit to reference menu command for fitting a point cloud to match reference points.
2016-05-13016.013Fix in applying projection change transformation between two South African zones or between two Japanese zones.

Faster shaded surface display.
2016-05-11016.012Fix in reading LAS 1.4 files. Version 016.011 did not recognize LAS 1.4 files.
2016-05-10016.011Bug fix in saving LAS 1.0 - 1.2 files. Bug caused all scan direction flags to become negative.
2016-05-09016.010Fix in manual entry of license information into dialog.
2016-04-21016.009Operation category in Settings has a new setting: Set AccuSnap off. This will switch AccuSnap off whenever you start TerraScan.

Fix in Synchronize Views. In version 016.008 only Camera option was working.
2016-04-19016.008Camera option in Synchronize Views. This creates a camera view which always shows the same area as displayed by a source view.

Bug fix in exporting Road intensity raster images.
2016-04-11016.007Multiply by setting added to Fix time macro action. Routine multiplies original time stamps with given value. Example use: convert millisecond time stamps to seconds.

Mouse Point Adjustment can take keyin parameters. For example:
Mouse Point Adjustment AdjZ=1/AdjXy=0/Point=Closest/Class=2/Within=0.5
2016-03-14016.006Image number field type added to user point formats.

Remove Details has an option to specify area limit in a text field.
If no fence is active, Split Building tool will now wait for user to enter a line and will split building using that line.

Fix in reading and writing LAS and LAZ files.
2016-03-13017.007Thin points runs faster on very high density data sets.

Fix in linking trajectories to LAS 1.4 files with separate wdp files.
2016-03-04016.005Fixes in using LAS 1.4 as project storage format.
2016-03-01016.004Bug fix in handling macro files larger than 20KB.
2016-02-26016.003Set withheld bit option in Delete by class macro action.

Set withheld bit option in Delete by line macro action.
2016-02-17016.002Multiple source classes in Place Catenary String.

Utility / Merge small blocks menu command in project window for automatically merging small blocks with neighbouring blocks.

Edit / Merge blocks menu command in project window for merging selected blocks into one.

LAS 1.4 support.
2015-12-18015.033Fix in Classify Using Brush and starting undo while classification tool is still active.

Fix in Classify / Below surface routine. Bug could cause the routine to stall if the number of source points was very small.
2015-12-14015.032Fix in undoing ground classification inside fence.

Fix in Label Alignment Curvature with 0.1 accuracy labels.

Classify / Inside shapes macro action renamed to Classify / By polygons. Routine can now classify points which are close to planar 3D polygons.

Speed improvements in cutting overlap by offset.
2015-12-10015.031Fix in undoing ground classification inside fence.

Fix in Label Alignment Curvature with 0.1 accuracy labels.

Fix in Classify / Railroad class usage.

Fix in Classify / Closeby points and fence usage.

Fix in Classify / Inside shapes and filtering polygons by style.
2015-12-01015.030Ability to snap to point cloud points.

Assign Point Class favors points closer to viewer.
2015-11-13015.028Closest hit z option added to exporting lattice model. This creates a lattice model where each grid cell has elevation value of closest source point.

Fix in resizing display mode dialog.
2015-11-02015.025Smoothen points tool can smoothen color values of laser points.
2015-10-26015.024Faster output of LAS files when applying a heavy coordinate transformation (such as writing out longitude/latitude).

Fixes and speed improvements.
2015-10-08015.023User parameters added to Classify / Walls for specifying minimum wall area and classification tolerance (=offset from planar surface inside which to classify points).

Ability to modify block folders, prefixes or file name extensions of multiple selected blocks using Edit menu command.
2015-09-23015.022Fixes, speed improvements and LAZ support.
2015-09-14015.021Fixes and speed improvements.
2015-09-10015.020Several fixes.
2015-09-09015.019Various fixes.
2015-09-03015.018Beta release.
2015-05-04015.008Built for MicroStation CONNECT Edition x64 EAP3.
2015-03-25015.007Update to match 32 bit version 015.007.
2015-03-03015.003Second beta-version release of TerraScan 64-bit software. License files for version 015 required.
2015-01-27014.901First beta-version release of TerraScan 64-bit software.