What's new in iWitness V3 and iWitnessPRO V3




- Customers with iWitness or iWitnessPRO V3.xx are eligible for a free upgrade to Version 3.6. In order to receive the free upgrade, you will need to email us your Name, Phone Number, what version you own (iWitness or iWitnessPRO) the License Number & Dongle Key Number: (see HELP + About) for this information. Please email sales@iwitnessphoto.com and in the email subject line type: [iWitness] or [iWitnessPRO] Upgrade Request. In return, we will provide you the download link, after our verification.


NOTE: your iWitness dongle key (license) must be Version 3; otherwise the upgrade installer won’t work with iWitness Version 1 or 2 dongles. The dongle for iWitnessPRO does not require an upgrade from Version 1 or Version 2.


You're Not Sure What Version You Own?

If you've lost the iWitness or iWitnessPRO DVD and are unclear as to what version the dongle key is that you own, you can verify it by running the Dongle Number.exe (reader). Contact us to obtain the Dongle Number.exe



- To UPGRADE iWitness V1 to iWitness V3, the upgrade price is $495.00. To UPGRADE iWitness V2 to iWitness V3, the upgrade price is $395.00.The customer's dongle key is upgraded electronically (via email). To upgrade, click here.


- The iWitnessPRO V3 Upgrade is free to licensed users of iWitnessPRO V1, and iWitnessPRO V2. The upgrade process requires USB dongle key number verification. To upgrade, click here



Special NOTE: iWitness Version 1 and 2 pre-date Microsoft Windows 8, therefore are limited to operation from Windows XP through Windows 7. iWitness V1 and V2 are not supported for installation on the Windows 8 operating system. Upgrade to V3 today!


The User Manual is located in directory:

C:\Program Files (x86)\iWitness\docs

C:\Program Files (x86)\iWitnessPRO\docs





Numerous improvements have been incorporated into Version 3 for both iWitnessTM and iWinessPROTM, which lead to greater functionality, operator ease of use, and speed enhancements to image-based 3D measurement

Since its release in 2004, iWitness has grown in popularity to become the premier close-range photogrammetry software for a host of measurement tasks. iWitness employs inexpensive, off-the-shelf digital cameras to perform accurate 3D measurements in a wide range of application areas, including traffic accident reconstruction, forensics, dimensional inspection in engineering and construction, architectural measurement, heritage recording and model building for the animation industry. The simple yet powerful user interface, coupled with the accurate and reliable photogrammetric engine, which runs automatically in the background, has made iWitness a very popular choice for 3D measurement. iWitness also contains a module for automatic camera calibration, providing the critical parameters for use within iWitness itself, or for export to other software.



Notable improvements in Version V3.6



- Introducing Targetless Orientation (iWitnessPRO).

- Improved 3D point export dialog.

- Integration of dense matching and automatic 3D object reconstruction (via SURE package) - iWitnessPRO Agilis only.

- Monoplotting, i.e., 3D object point determination from a single image with an underlying digital surface model - iWitnessPRO Agilis only.
- Fixed image thumbnail popup issue related to Windows Update KB3059317.

- iWitnessPRO V3.6 Feature Based Mapping requires a 64-bit processor, therefore 32-bit is no longer supported in V3.6 and higher versions.

- iWitness V3.6 runs on both 32 and 64-bit processors.



Notable improvements in Version V3.35



- Improved software installation routine to support multiple Windows operating systems

- "C-key" (zoom window) fixed for centroiding "dark" targets on "light" background

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Notable improvements in Version V3.34



- Improvements to "Auto Cal" feature



Notable improvements in Version V3.33



- Enhancements to FOOM (single image orientation)

- Improvement to opening projects with line-connected points

- Several fixes related to camera parameters & photogrammetric network stability (frequent red cross X issue)

- Maintain backwards & forwards compatibility for project files



Notable improvements in Version V3.31



- Improvement to Facet Form Polylines for images with low intersection angles

- Improvement to opening projects with line-connected points



Notable improvements in Version V3.3



- Bundle adjustment improved to handle minimal referenced points & camera stations in a network

- Automatic line connecting of constructed points through line magic database (iWitnessPRO)

- Reported numbers in summary dialog for measurement accuracy have been fixed

- Ability to paste label/X/Y/Z into "Add Constructed Point" dialog

- Tilde '~' key for smart single image referencing mode

- Ability to offset 3D points from constructed points

- Project Setting: "Process code magic after bundles" is now automatically invoked when selecting "OK" in the Code Offset Database

- Simplified "Code target size" to 6, 8, 12 or 25mm in Project Settings (iWitnessPRO)



Notable improvements in Version V3



-Increased support up to 1000 images per network - however, it is recommended that iWitness networks are limited to 300 images due to processing time

- Double-click list in 3D Point Information dialog to open images

- Ability to use constructed points for 3-2-1

- Scan for red targets in iWitness

- iWitness can now 'Autocal' via 16 red retro-reflective codes (PMXRED1 to PMXRED16)

- Planar rectification feature (to Z=0) via image right-click menu

- Updated Project Settings dialog

- Hover tool tip for blue predicted points

- Hover tool tip for blue constructed points

- Can now measure distance between a selected constructed point & selected photogrammetry point

- Option for 1, 4, 6, 9 images in Review mode

- Global Camera DataBase (GCDB) updated in early 2013 with recently released camera models

- Improved stability for textures & polylines

- Improved thumbnail popup window

- Import scale & 3-2-1 from another project to apply scale & coordinate transformation

- Code bits can now be optionally left out of the DXF export process

- Information dialog for constructed points can be selected by highlighting and selecting the "P-key" or from double clicking in the 3D List

- Open all images that sees the specific constructed point selected, can now be tiled in the workspace

- Support for codes up to max 981 (previously max 165) (iWitnessPRO)

- Code offset database (iWitnessPRO)

- Code linkers (166-299) for project linking (iWitnessPRO)

- Support for new smaller code size using 5.8mm targets (iWitnessPRO)

- Min rays automatically lowered if a small number of images imported (iWitnessPRO)

- Ability to decode codes placed closer together (iWitnessPRO)

- The 3-2-1 can now be chosen with the use of construction points or 3D object points (iWitnessPRO)

- iWitnessPRO will now automatically link up to 12 networks via common LINKER CODES, shared between each "linked" networks, using codes 166-299 (iWitnessPRO)

- 5.8mm and 7.91mm codes can be used in same network, with one of the two sizes permitted for code offsets (iWitnessPRO)

- Code magic database interface - used to create offset points (a.k.a. constructed points) so both 5.8mm and 7.91mm codes can be used as targets (iWitnessPRO)

- Faster processing for iWitnessPRO (iWitnessPRO)

- O key to force triplet offset target & code offset (iWitnessPRO)

- O key" constructed point generated from 3" spaced "dual" targets, creating a 2.8" offset point to the tip of the target (iWitnessPRO)

- Increased bundle "OFF" support (iWitnessPRO)

- Zoom-dependent (ZD) calibration (iWitnessPRO)

- Various best fit shapes (iWitnessPRO)

- Triangulate All feature (iWitnessPRO)

- Code magic database interface - used to create offset points (a.k.a. constructed points) so either 5.8mm and 7.91mm codes can be used as targets (iWitnessPRO)

- Code bits can now Default off for Edit Review, and optionally turned on in Project Settings

- Improvements to offset points as they appear in the DXF output file

- Information for 3D Point dialog: ability to copy XYZ coordinates to Clipboard

- Added Tutorial Videos on the iWitness/iWitnessPRO DVD (Project Linking and Code Offset Database)

- Ability to unreferenced from the "Information from 3D Point Dialog" (right click feature)

- Code Pointers ranging in code numbers #300 to 399 as 5.8mm dot configuration

- PMX codes now default Off in Project Settings for use in Edit/Review mode

- Ability to automatically relink a project as long as iwp/iwpro remains in same working folder shared with the project's images.



Notable improvements in Version 2.2



- Save/load project improved stability, bug fixes, speed enhancements

- Ability to export .txt format in project linking

- 1/2 keys in Edit/Review mode to drive to previous & next points

-New miscellaneous options in the Project Settings dialog box

- Warning dialog presented if 3-2-1 or set scale is attempted during referencing mode



Notable improvements in Version 2



- Network Linking has been extended to 12 networks

The number of overlapping projects that can be linked into a common coordinate system has been increased to 12. Adjacent projects require three or more common points, with corresponding labels having the prefix ‘CP’. The linking process is fully automatic, and it can create a single .DXF file of all linked object points for later CAD analysis.

Click here to see a Network Linking example where four overlapping projects were linked to form a 3D object point field covering a distance of over 1100’ (335m) of a rail track in Texas.



- Ability to Import the 3D object point data from a second iWitness project having the same object coordinate system into the 3D View of a currently open project, which allows the point field from both projects to be seen in a single 3D View.

Click here to see an example (WMV movie clip) of this new feature applied in the comparison of the shape of a crash-damaged car against its original condition. It is often advantageous to visually analyze two networks that share a common coordinate system.



- Choice of 1 or 4 or 6 or 9 images when entering Edit/Review mode. Allows for quick editing of a single image's referenced points.



- Support for object points to be referenced in geographic coordinates (Latitude, Longitude, Height) to facilitate viewing of measured networks in Google Earth.

iWitness now supports the import of control points in geographic coordinates (Lat, Long, Ht) as determined for example via a hand-held GPS unit. Once a network is transformed into geographic coordinates via these control points it can be exported in the form of a KML file for display within Google Earth.

Click here to see a tutorial on KML file generation within iWitness and iWitnessPRO.



- Triplet offset targets (iWitnessPRO only)

iWitnessPRO now supports the use of triplet offset targets which facilitate automatic 3D measurement of untargetable features, where it is difficult to accurately place a single target (such as the right-angled corner of a bench-top, or the curved edge of a kitchen sink). The triplet offset target design is straightforward; the tip of the triplet offset designates the point of interest and the accuracy of measurement is the same as for a targeted point.

To review a tutorial of how Triplet offset targets can be used, click here.

To see a project example (and wmv movie) of 3D modeling a glass shower enclosure, click here.



- Extension of line connections to Offset Points

Accident reconstruction practitioners routinely use DCS photogrammetric markers (PMs) to efficiently measure crash scene evidence. Often times, it is desirable to look at the crash in profile view, with the 3D points & lines of the PMs offset to the ground surface. Lines can now be drawn connecting offset points and these can also be exported in a DXF file for CAD analysis.

Click here to see a real-world Interstate Highway crash mapping where the new feature of line connection to offset points was employed.



- New safety mechanism in place to stop user referencing between two un-oriented images, in a network where oriented images exist

In past versions of iWitness/iWitnessPRO, new users would sometimes try and reference two un-oriented images, when the network was already oriented. This situation is no longer possible in Version 2 without a “warning” presented to the user. To see the “warning dialog box” that’s presented when this situation is invoked, click here.



- Point centroiding mode

The new point centroiding mode allows automated target centroiding to high-contrast dot-targets by simply dragging a box over the target with the mouse. This expands the semi-automated image point measurement via the X-key and C-key options. Click here to see a photogrammetric marker measured with the point centroiding mode tool.



- Ability to reference an image within the 3D view

Referencing can now be carried out between the 3D View and the image view, rather than just between two images. This feature allows a speeding up of referencing, since one need only click on an already referenced 3D point in the 3D view and then on the corresponding point in the image view.

Click here to see an example.



- Ability to manually enter 3D coordinates into a network

3D object point coordinates, e.g., design values, can now be entered into an iWitness network via the 3D Points dialog. Click here to see an example of this ADD feature.  



- Ability to launch both XYRectify & Zaraf from within iWitness

The software programs XYRectify (a stand-alone software program for plane rectification) and Zaraf (a preprocessor program used to convert scanned images into equivalent images that would have been otherwise recorded with a digital camera) are now offered for free with Version 2. These two programs are launched from the File pull-down menu.



- Ability to ‘flatten’ to the XY plane (ie Z=0) for DXF output

This feature is useful for reverse engineering projects that require XY flat-patterns for NC milling operations. The option is available via the DXF export options dialog box.


- Improvements to status bar to help monitor photogrammetric network characteristics

The integrity of the photogrammetric bundle adjustment process can be closely monitored via the values for the Project RMS and the Geometry Quality Factor which are shown on the Status Bar.



- Ability to print out the list of program hot-keys

- Image scanning of red targets and associated ‘driveback’ feature

- Updated image scanning dialog, for greater control over automation

- Updated Global Camera Database to support the latest digital cameras

- New popup information in image thumbnails

- Tooltips for blue predicted points

- Greater flexibility over what to display in the 3D view

- Numerous bug fixes, improvements to program stability and speed increases across the board



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