Aranz Scanning FastSCAN Cobra Operation & User’s Manual

Text of Aranz Scanning FastSCAN Cobra User Guide:

• Aranz Scanning FastSCAN Cobra, 14 FastSCAN For best scan results: • allow the wand to warm up for 5 minutes before scanning an object • minimize the distance of the Wand from the object to increase the accuracy of the scan. Also keep the Wand as close to the transmitter as conveniently possible • each sweep of the Wand should be a smooth action, as if spray-painting • use both hands on the Wand to improve steadiness • remove any metal objects from the scanning environment before beginning • sweeps should overlap slightly, and missing patches can be rescanned

• Aranz Scanning FastSCAN Cobra, 56 FastSCAN Italy: Unocad S.R.L, GEA Media Group S.R.L www.unocad.it www.geamedia.com Japan: KBK-Kyokuto Boeki Kaisha Ltd www.kbk.co.jp/cesd/polhemus.htm South Korea: Jek Co Ltd [email protected] Luxemborg: IMAQS www.imaqs.com Malaysia: Interactive Dreams Pte Ltd www.id-dreams.com/020115/044/ welcome frame.htm Netherlands: IMAQS www.imaqs.com New Zealand: Aranz Scanning www.aranz.com www.fastscan3d.com Portugal: Aplein Ingenieros S.A www.apleiningenieros.com/ NORCAM Engenharia E Design Industrial LDA www.norcam

• Aranz Scanning FastSCAN Cobra, 58 FastSCAN 15 Limited Warranty and Limitation of Liability 15.1 Polhemus warrants that the Systems shall be free from defects in material and work- manship for a period of one year from the date ownership of the System passed from Polhemus to Buyer. Polhemus shall, upon notification within the warranty period, correct such defects by repair or replacement with a like serviceable item at Polhe- mus’ option. This warranty shall be considered void if the System is operated other than in accordance with the instructions in Polhemus’ User Manual or is damaged by accident or mish

• Aranz Scanning FastSCAN Cobra, FastSCAN 29 5 Generating A Basic Surface 5.1 Basic Surface Creating a Basic Surface removes redundant points in overlapping sweeps. The scanned points can be repositioned and the minimum dis- tance between them fixed to determine the amount of detail present in the final surface. When you have sufficiently edited your Raw Data click on the Basic Surface icon to generate the Basic Surface. This uses default parame- ter settings—you can change these parameters via the Generate Surface dialog box—

• Aranz Scanning FastSCAN Cobra, 36 FastSCAN 6 Generating an RBF Surface See the FastRBF TM Extensions Manual for instructions on how to generate an RBF surface. While an RBF surface may be generated with the unlicensed FastSCAN TM software, a license is required to enable saving of the surface.

• Aranz Scanning FastSCAN Cobra, 32 FastSCAN (a) 6 mm Decimation (b) 9 mm Decimation Figure 22: The same object at different decimation values. The 6 mm version (a) has 1378 triangles, while the 9 mm version (b) has only 704 triangles. (Scorpion models only, refer Section 10.3). • Perform a User Calibration to ensure the optics are correctly aligned (see Section 10). 5.2.3 Limit Objects to: You may find that your surface contains parts of background objects (such as the scanning table) that you did not mean to scan—the camera can pick-up partial pro- files on objects behind the target object. You

• Aranz Scanning FastSCAN Cobra, FastSCAN 59 15.5 Warranties shall not apply to any Systems which have been: (a) repaired or altered other than by Polhemus, except when so authorized in writing by Polhemus. (b) used in an unauthorized or improper manner, or without following normal oper- ating procedures; or (c) improperly maintained and where such activities in Polhemus’ sole judgement, have adversely affected the Systems. Neither shall warranties apply in the case of damage through accidents or acts of nature such as flood, earthquake, light- ning, tornado, typhoon, power surge or failure, environmental extremes or other external causes. 15.6 POLHEMUS DOES NOT WARRANT AND SPECIFICALLY

• Aranz Scanning FastSCAN Cobra, FastSCAN 43 Hotkey List cont’d... Menu Item Shortcut View/Movement/Normal Ctrl+1 (object moves by 30.0 ◦ ) View/Movement/Fine Ctrl+2 (object moves by 5.0 ◦ ) View/Movement/Very Fine Ctrl+3 (object moves by 1.0 ◦ ) View/Movement/Ultra Fine Ctrl+4 (object moves by 0.2 ◦ ) decrease movement size by 1 Shift+mvmt key (↑←↓→) decrease movement size by 2 Ctrl+mvmt key (↑←↓→) decrease movement size by 3 Shift+Ctrl+mvmt key (↑←↓→) Exit from current edit mode Esc 9.2 Optional Features 9.2.1 Refraction Correction Refraction Correction

• Aranz Scanning FastSCAN Cobra, FastSCAN 55 13 Distributors Master Distributor: POLHEMUS PO Box 560, 40 Hercules Drive, Colchester, VT 05446 United States of America Ph. 802/655-3519 Fax. 802/6551439 http://www.polhemus.com Austria: EST, Engineering Systems Technologies GmbH &Co. KG www.est-kl.com Australia: Aranz Scanning, StormFX Pty Ltd www.aranz.com www.fastscan3d.com www.stormfx.com.au Belgium: Immersion SA, IMAQs www.immersion.fr www.imaqs.com Brazil: Absolut Technologies www.abs-tech.com Canada: AD3R Technologies www.ad3r.com China: Beijing 6DOF Technologies Co Ltd Tech Trend International Ltd www.6

• FastSCAN 19 3.6 Viewing Options 3.6.1 Data View/On Screen Format The appearance of the data can be changed by clicking on View and choosing from the 3 options: Points, Wireframe and Solid, or their icons in the toolbar. These allow you to view the data in different formats and use this information to get the best possible scan. Many of these functions can be performed via the keyboard

• FastSCAN 57 14 Customer Service If you encounter any problems with your FastSCAN TM system, help is just a telephone call away. Call 802/655-3159 (800/357-4777 U.S. and Canada) and ask for Customer Service. For the most part, our Customer Service engineers can handle your prob- lems over the telephone and get you back into the fast lane right away. If the problem requires repair of your

• Aranz Scanning FastSCAN Cobra, FastSCAN 35 Figure 24: The Batch Processing dialog. Generate Surface Settings... button opens the Generate Surface dialog, where you can specify the surface parameters for the Basic Surface or RBF Surface. The Output control displays and allows you to change the output file’s format and filename. The default output filename is the scan filename. Click the Add button to add a new scan to the list. The newly added scan’s settings (in its Generate Surface Settings box) will duplicate those of the preceding scan in the list (if you want to process several scans with the same settings, co

• Aranz Scanning FastSCAN Cobra, 40 FastSCAN 7.2 Delta Click on the Delta TM icon to load the scan data directly into Delta TM software—you must have Delta TM installed. Delta TM is a stand alone tool that enables comparison of surface distance and volume variations between two objects. You will need a license to use the Delta TM software. A demonstration copy of Delta TM can be downloaded from: http://www.fastscan3d.com /download/. 7.3 Save Snapshot Selecting File/Save Snapshot creates a .png screen image of the current data win- dow (Figure 26). Options with this function are available by selecting Save Snap- shot/Advanced including Crop to data, Automatic file numbering and Append in- formation

• Aranz Scanning FastSCAN Cobra, FastSCAN 17 3.5 Using the Secondary Receiver - Rx as Reference By attaching a secondary receiver (Rx) to the subject it becomes possible to move and/or reposition the subject while building up the scan, allow- ing full 360 ◦ coverage. This can also be used to compensate for small movements that may occur in the subject while scanning or to scan large objects. 3.5.1 Moving the Subject During Scanning Attach the Receiver firmly to the object you are scanning. From the Scanner menu, se- lect Receiver is Reference. Note that the Receiver becomes the origin of the R

• Aranz Scanning FastSCAN Cobra, 16 FastSCAN You can control the amount of smoothing using the Profile Smoothing option in the Scanner Limits Control dialog box (High, Medium, Low (default), or Off—see Fig- ure 10) (Note: Smoothing cannot be turned off when using the Scorpion TM ). Chang- ing this value affects newly captured profiles—it cannot change data that you have already collected. You may need to experiment to find the optimal value before you begin scanning. Figure 11 shows how smoothing can affect a profile. (a) A profile with high smoothing. (b) A profile with low smoothing. Figure 11: Examples of profile smoothing applied to

• Aranz Scanning FastSCAN Cobra, 42 FastSCAN 9 Hotkeys & Optional Features 9.1 Hotkey List Menu Item Shortcut File/New Scan Ctrl+N File/Open Ctrl+O File/Save As Ctrl+S or F4 File/Export Surface F8 Edit/Undo Ctrl+Z Edit/Redo Ctrl+Y Edit/Select Ctrl+left mouse button Edit/Delete Backspace Edit/Sweeps List Ctrl+W Edit/Stylus Marks List Ctrl+T Edit/Generate Surface Ctrl+G View/Sweeps F5 View/Basic Surface F6 View/RBF Surface F7 View/Set Bounding Box to View Ctrl+B View/View Bounding Box From / Front F1 View/View Bounding Box From / Bottom F2 View/View Bounding Box From / Left F3 View/Viewp

• 50 FastSCAN 11 Troubleshooting/FAQs Q. The status bar of the FastSCAN TM program continues to show ‘Scanner off-line’— what has gone wrong? A. Run through the following checklist: • Ensure you do not have another FastSCAN TM program still running from an earlier session (possibly minimized). • Ensure that power is getting to the PU. The green ‘Power’ light on the fron

• FastSCAN 31 (a) Smoothing at 0.5 mm. (b) Smoothing at 2 mm. Figure 20: Two Basic Surfaces generated from the same Sweeps using different Smoothing parameters. In (a) the sweeps did not combine correctly, while in (b) they did. Figure 21: An illustrative example of how a blistered surface (black line) can form between two misaligned sweeps (gray lines). ter. Smaller Decimation values will

• Aranz Scanning FastSCAN Cobra, FastSCAN 27 (a) With some sweeps highlighted, and Se- lected Sweep Transparent box unchecked. (b) With some sweeps highlighted, and Se- lected Sweep Transparent box checked. Figure 18: Scan with highlighted sweeps, showing color differences. With (a) only visible parts of selected sweeps shown (b) all parts of selected sweeps shown, with different color shades. If checked, the shading will vary depending on the surrounding sweeps, as shown in Figure 18(b): Darker sweep color: this sweep is the only one covering this part of the surface. Medium sweep color: this sweep is on top, but has other sweep(s) behind it. Light sweep color: this sweep is underneath othe

• Aranz Scanning FastSCAN Cobra, 46 FastSCAN Figure 29: The Transmitter with the Calibration Target attached. Note: While in Calibration Correction mode, the FastSCAN program monitors the Wand-to-Target distance and will only accept data when the distance is within ±20 mm of the nominal value. 100 mm data: range is 80 mm to 120 mm. 200 mm data: range is 180 mm to 220 mm. You may find maintaining the correct distance while scanning the Calibration Target is awkward at first. To assist, the computer “beeps” if the data is within the acceptable range as you scan the Calibration Target. 10.2 Calibration Correction Procedur

• Aranz Scanning FastSCAN Cobra, 54 FastSCAN 12.4 Warning Labels and Locations (a) The Wand displaying warning labels. (b) Warning labels. (c) Close-up of the laser aperture (circled), and two- position trigger switch (bottom). (d) Wand control panel showing Laser-On indicator light (top- right LED)

• Aranz Scanning FastSCAN Cobra, 26 FastSCAN 4.4 Editing Raw Data 4.4.1 The Sweeps During scanning your data appears on-screen as the Sweeps. You can revert to this view at anytime during the surfacing process by clicking on View/Sweeps or on the Sweeps icon in the toolbar. 4.4.2 The Sweeps List You can view a log of all the sweeps in a scan by clicking on Edit/Sweeps List.... This log allows you to view each sweep individually and to re- move single sweeps from your scan if desired. The Sweeps List dialog box (shown in Figure 17) contains a list item for each sweep. The second colum

• Aranz Scanning FastSCAN Cobra, 52 FastSCAN 12 Safety Guidelines 12.1 FCC Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause interference to radio communications. Operation of this equip- ment in a residential area is likely to cause interference, in which case the user will be required to correct the interference at his own expense. 1

• Aranz Scanning FastSCAN Cobra, 48 FastSCAN Figure 30: Three of the four calibration spot clusters are visible (for the Scorpion TM ) and the Calibration Correction dialog box. Notes: • You must collect the 100 mm data first. • Windows 2000 or XP users must have Power User privileges or greater. • If desired the most recent sweep (or the point in this case) can be removed with a double click of the trigger, or all data can be removed with a triple click. These functions are switched on by default—see Section 3.4. • To help reduce artifacts the data is restricted to points within the vicinity of the Cal

• 20 FastSCAN Bounding Box: The Bounding Box enclosing the perimeter of the data is used in the RBF surfacing process and, in coordination with the Extents Window, gives the physical size of the object. It can also be useful for users needing a file for CAD systems or wanting a watertight model or closed object. Click on View/Bounding Box to see the Bounding Bo

• Aranz Scanning FastSCAN Cobra, 6 FastSCAN 5. It is normal for Windows to report that FastSCAN TM drivers have not passed Windows Logo testing/are not digitally signed by Microsoft. Click Continue Anyway each time when prompted until the drivers are installed. Note: This procedure needs to be repeated when plugging the scanner into a different USB port. For Windows Vista: 1. Before powering up the PU connected to your computer click: Start/Settings/Control Panel to open the Control Panel window. 2. Double-click on System. 3. In the System window click on Advanced System Settings. 4. In the Advanced System Settings win

• Aranz Scanning FastSCAN Cobra, FastSCAN 53 • Operate the device so that it is pointing away from windows, doors, mirrors and other shiny reflective surfaces, and areas where other people are working. • There are no controls, adjustments or user serviceable parts that can affect the laser output. In the event of equipment failure, return the Wand to the manufac- turer or agent for repair and servicing. The product includes the following safety features: • The laser is only activated when the spring-loaded trigger is depressed. • An indicator light is illuminated when the laser is operating. • All c

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