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Rangevision Standard Plus Manual

Scancenter 2016.1
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ScanCenter 2016.1
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Summary of Contents for Rangevision Standard Plus

  • Page 1 RangeVision ScanCenter 2016.1...

  • Page 2: Table Of Contents

    Introduction................................4 System requirements............................4 Warnings ..............................4 Technical specifications..........................5 Package contents ............................6 Scanner Assembly ............................8 Installing software and drivers ........................9 Setting up your computer for the work with the scanner ................10 Connecting projector ..........................10 UAC settings............................12 Connecting cameras ..........................13 Configuring computer parameters ......................
  • Page 3 Scanning principle and methods .........................38 Creating a new project ..........................39 Determining the correct distance to object ....................39 Setting exposure of the cameras .........................40 Starting and stopping the scanning process....................40 Viewing the model ............................40 Unwanted noise on the 3D model .......................41 Scanning without markers...........................42 Scanning with markers ..........................42 Scanning on the rotary table ........................46...

  • Page 4: Introduction

    Introduction Thank you for choosing RаngeVisiоn product. Please read this manual before using RangeVision 3D scanner. Here are described the procedures for preparing the scanner, installing the required drivers, calibration procedure, scanning procedure, and tips for acquiring high-quality three-dimensional object model. Processing of gathered data and export of results is described in the manual SсаnMerge 2016.1.

  • Page 5: Technical Specifications

    Technical specifications Rangevision 3D scanner can be equipped with various scan areas sets. The specified values accuracy can be achieved in compliance with the rules calibration and proper settings of the scanner. 3D scanner RаngeVisiоn is not a metrological tool for measuring.

  • Page 6: Package Contents

    Advanced Model Standard Plus Premium Resolution of cameras 1,3 Mpix 2 Mpix 5 Mpix Diagonal of the matrix 1/1.8” 1/1.8” 2/3” Scanning time ~ 7 sec ~ 12 sec ~ 15 sec Model calculation time ~ 5 sec ~ 10 sec...
  • Page 7 Package: № Name Amount Scanning module: Installation construction with projector Cable kit for connection to a PC (2 USB + HDMI) Machine vision camera Tripod Calibration plate 1-4* Kit of interchangeable optics 1-5* Stand for the calibration plate 1-2* USB disk with the software The electronic key Matting spray Markers for scanning...

  • Page 8: Scanner Assembly

    Before the first start Prior the first connection and use of RangeVision 3D scanner you need to install the drivers, software and set up your PC. After this, assemble the scanner and connect it to the computer. Scanner Assembly Carefully get the scanning module and all accessories out of the plastic case.

  • Page 9: Installing Software And Drivers

    Get the RаngeVisiоn software (equipped with the scanner) and run the installer - RаngeVisiоn SсаnCenter setup. Following the prompts, select the desired language, type and path for installation. After the files have been copied install drivers and graphics libraries, necessary for the correct operation of RangeVision 3D scanner.

  • Page 10: Setting Up Your Computer For The Work With The Scanner

    After the completion of the work of installer on your PC should appear Rаngevisiоn SсаnCenter software and IDS Camera Manager. Setting up your computer for the work with the scanner For the correct operation of Rаngevisiоn 3D scanner you will need to setup your computer. This procedure is performed once before the first use of the scanner.
  • Page 11 ○ Acer P1500: 1920*1080 ○ Acer X13**: 1280*800 The projector, mounted on a RangeVision 3D scanner, is pre-configured to work correctly. However, in the rare cases when the power is turned off, you may encounter the case when settings of your projector are reset, which can have an adverse impact on the scanner operation.

  • Page 12: Uac Settings

    While using special light filters (Blue Light) some types of scanners may be set up at user mode of color temperature (“hardware controlled” blue illumination). Starting with software version 2016.1 ``program`` blue illumination is used, along with this the projector must be set up as mentioned above. When using light filters there is no need to change user settings of projector color temperature for previous versions.

  • Page 13: Connecting Cameras

    Connecting cameras After installing the camera drivers IDS Camera Manager software should appear on your PC. Do not connect the cameras before you install the drivers! Connect cameras to USB-ports of your PC and run the IDS Camera Manager. The application will display connected cameras and their state. Cameras must be available (free). If one of the cameras in unavailable, most likely it is used by some third-party application, for example Skype.

  • Page 14: Connecting The Turntable

    Device Manager may be different, for example Silcon Labs, Arduino Uno, Rangevision Table and so on Go to the Device Manager in the computer properties and look the number of COM port that is used by turn table.
  • Page 15 Model Type Additional power supply Default (till 01.2016 г.)
  • Page 16 TS-12 TL-30 Create a new one or open an existing project on the turn table. If the table is connected and all the settings are correct, you will see the graphic mode of the table platform in the 3D model preview area. In case of an error you will see the corresponding message.

  • Page 17: Scanner Setup

    In order to test the operation turn the table at a small angle. To do this select the menu item Settings → Table calibration. Enter the value of the angle and press Turn. Table must rotate clockwise, when viewed from the top.

  • Page 18: First Launch Of Scancenter

    First launch of ScanCenter Turn on the projector and connect the scanner to the computer. In IDS Camera Manager check the connection and cameras availability. Run Rangevision ScanCenter. In order for program to work properly you need to run it as Administrator.

  • Page 19: Inital Setup Of Cameras And Lenses

    . Choice of the cameras corresponds to the name of the scanner model (Standard Plus, Advanced, etc.). In the case if all the settings are correct, after starting the program you should see the image from the cameras in the main application window, and the projector will start projecting cross.
  • Page 20 Lens adjustment is carried out by the following elements: The focus tuning ring The iris tuning ring The focus ring retention screw The iris ring retention screw Do not completely remove the retaining screws of the lens rings, it is enough just to loosen them.

  • Page 21: Finding A Working Distance

    Finding a working distance The scanner has own working distance (distance to the object) for each scanning area. When you configure your scanner, this distance is determined by calibration plate. To find a working distance place the calibration plate in front one of the cameras (see diagram).

  • Page 22: Bringing The Cameras Together

    By switching the mode "Lines and Stripes", adjust the focus of the projector, so that the lines on the calibration plate were as sharp as possible. Using the zoom ring set the minimum possible area of projector light in such a way that the whole field is lit with a small margin to the height. After changing the illumination area check the projector focus.
  • Page 23 Rotate the cameras on the bar so that the vertical line of the light cross lies approximately on the central vertical blue line in the both camera views as shown below. Adjusting the position of the camera in a horizontal plane is controlled by the change of front frame. To do this - loosen the adjustment screws and, by changing the position of a frame, align the middle horizontal blue line on the camera view with a horizontal line of projected cross.

  • Page 24: Checking The Cameras In A Horizontal Plane

    Tighten the fixing screws after you are done with positioning cameras. Note If cameras are lowered too low, first adjust the horizontal position, and then bring the cameras together in the vertical direction. A small deviation between the right-hand and left-hand cameras in height does not affect the scan quality, select the middle position between the cameras.

  • Page 25: Final Calibration Of The Cameras

    If the projected line and marking line have a large discrepancy at different distances to the object, adjust the position of the projector relative to the cameras. To do this, loosen the body at the bottom of the scanner and pick the position, in which the check will be carried out successfully. Final calibration of the cameras After setting the position of the cameras, align the projected cross with central mark on the calibration plate.
  • Page 26 Note Please note, at the correct location of plate at a distance D the vertical line of cross will match the central vertical blue line on the view from the cameras. Otherwise, you will notice the difference in one direction or the other. Before setting the exposure, adjust sharpness of the lenses.
  • Page 27 As you done with sharpness settings, adjust iris lenses. Set the projector to the lines and stripes mode. Set the exposure for the cameras between 30 and 60 (less if the object, which you are planning to scan is dark and more if it is bright).
  • Page 28 Caution! If excessive light does not disappear even when the diaphragm is closed, reduce the value of electronic exposure. Check the projector settings, probably the light is too bright. Reduce ambient light level. If you are setting up the 4th scanning area, it may be necessary to decrease the brightness of lines and stripes due to the close distance to object.
  • Page 29 The above actions on scanner setup can be completed by following the prompts of setup wizard in RangeVision ScanCenter menu. Run the setup wizard, select scanning zone, to which you need to set up the scanner, and carefully read the...

  • Page 30: Calibration Plate

    Calibrating the scanner You need to perform calibration in order to ensure the work of the scanner after the adjustment of lenses. Specifically for this purpose we use the calibration plate, which pre-measured with high accuracy. Scanning software analyses the image of the plate, obtained from the cameras and compares it with the mathematical model, marked by the algorithm.
  • Page 31 Besides distance between marks on the plate each table contains measurement temperature. If the temperature at which the calibration and scanning occurs, is very different from the specified, it is necessary to amend the formula: ∆L=L+b*Co ∆L - change of the size of calibration plate L - the size of calibration plate Сo - change in the temperature in relation to the one during calibration b - constant change in the size of the field if a temperature changes on 1oC...

  • Page 32: Mounting Constructions

    Mounting constructions Special stands are used in order to facilitate the calibration process and fix the calibration plates. For plates №1 and №2 is used the construction S1 , for plates №3 and №4 - S2.
  • Page 33 Full calibration Caution! During and after the calibration process you should not regulate camera lenses. After the change of the plate position it is desirable to wait for a few seconds before pressing the Capture button to reduce the effect of external disturbances. Note Calibration should be performed in the same light, in which an object will be scanned.
  • Page 34 ● The plate is damaged or dirty Please correct all deficiencies and press Capture . Note Calibration is carried by the results of 11 snapshots. Carefully observe the position of the plate during each capture! In some positions it will be needed to rotate the plate. After all the necessary snapshots are taken, calibration module will start automatically.

  • Page 35: Orienting

    ● Before the calibration procedure ensure that cameras and cables are secure in the designated position. Orientation Caution! When scanning large objects (like a car) and moving the scanner frequently, the scanner eventually may report that it cannot find markers. In such case you need to perform orientation.

  • Page 36: Scanning Area

    Scanning area To ensure the quality of the model, the scanner clips it by the scanning area (the yellow region on the figure below). Scan area is limited by close and far plane in the Z-axis (depth). Scanning area is set in the options.

  • Page 37: Calibration For Scanning Zone №0

    For editing, select the field you want to change and click Edit. To delete the unnecessary field press the Delete button. If you have accidentally damaged the plate and can not carry a calibration procedure, you need to order a new one from the manufacturer.

  • Page 38: Scanning

    Otherwise, the geometry of the same area of the object surface may be different, and it will be impossible to unite the pieces into a coherent whole. In RangeVision 3D scanner there are 3 scan options available, which are different, in the first place, by the fragment alignment method: ●...

  • Page 39: Creating A New Project

    Each scanning options is described separately in the relevant chapter in this manual. Creating a new project To create a new project, click the menu and select the desired type of project:  Project without markers  Project with markers ...

  • Page 40: Setting Exposure Of The Cameras

    Caution! When setting up, carrying or calibration it is not recommended to grab the front profile of the scanner, where the cameras are installed. A small change of position can lead to incorrect orientation. If the object does not fit entirely into the scan area, you should not move the scanner further. Scan the object in a few positions, for example, the top and the bottom parts separately, and then unite these parts, or set the scanner for a larger scanning zone.

  • Page 41: Starting And Stopping The Scanning Process

    Starting and stopping the scanning process Caution! Before starting the scanning process, ensure that the object is located at the right distance from the scanner! Distance is defined by the "Cross" illumination mode. You can launch scanning by pressing the button Start scanning on the top toolbar. You can stop it by pressing the Stop button.

  • Page 42: Unwanted Noise On The 3D Model

    • 0 not a simplified model • 10 the most simplified model The model will be recalculated in accordance with the new settings. Unwanted noise on the 3D model During a scanning process you may face the appearance of unwanted noise or artefacts on the model surface.

  • Page 43: Scanning Without Markers

    Incorrect setting up the projector, when structured light created by the software is modified by algorithms of image improving, embedded in the projector algorithms - this also has a negative impact on the quality of the model. You need to turn them off. Scanning without markers During this scan mode no additional tools are used, but the obtained fragments are not joined, and their alignment requires more time for the processing of the scan data.
  • Page 44 the object. Thus each scan will be connected to the reference grid, and not to the previous scan, without the need for overlap between them. From this it should be noted that you can stick fewer markers to an object. Reference grid can be used repeatedly, if you're using auxiliary object for your scanning process (for example, plate with markers).
  • Page 45 Caution! Markers should be attached as chaotic as possible. Avoid expressed patterns or curves, as this may provoke incorrect detection of markers. When using auxiliary surface, object should not move in relation to the markers during the scan! Scanning procedure: ●...

  • Page 46: Scanning On The Rotary Table

    Caution! When scanning large objects (like a car) and moving the scanner frequently, the scanner eventually may report that it cannot find markers. You need to perform orientation. ● If the scan during stitching is in obviously incorrect position, it is clear that such scan should be deleted - select it in the tree and press Delete.

  • Page 47: Possible Problems And Their Solution

    ● Carefully remove the plate and put the object back on the table, not changing the position of the scanner relative to the table ● Start scanning ● After the end of scanning go to SсаnMerge for processing Possible problems and their solution Settings The cameras are turning off, I get the "Camera image acquisition fail"...

  • Page 48: Scanning

    You need to launch software as Administrator. Go to Control Panel - User Accounts - User Account Control (UAC) and lower the slider lower down as much as possible. Instead of letters SсаnCenter shows only signs of ????? Go to the Control panel - Language - Additional parameters. Select English language, where this is possible. Scanning During the scanning procedure the scanner does not recognize markers on the object Scanner on the images from the cameras finds all round objects, compares their size with the specified...
  • Page 49 The surface on the scan is "doubling". The scanner is not calibrated During scanning edges of the model are rough, with uneven edges. If the light lines are parallel to the edge of the object, tilt the scanner so that the line crosses the edge at an angle.

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