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How to Adjust the Color Map

This page will list the steps required to adjust the color mapping properties using CyScan. Please note that this procedure requires special equipment that is not readily-available. You should always contact Cyberware Support before performing any calibration to ensure you have the proper tools and an understanding of the procedures.

In order to complete this procedure, you must have the following:

  1. A basic understanding of Windows.

  2. An in-depth understanding of Cyberware's CyScan.

  3. The Administrator password for the machine that stores the Cyberware CyScan configuration files.

  4. A Cyberware Calibration Cylinder. This object could be described as follows; cylindrical, of a matte, neutral gray color, and have a VERY consistent diameter. Also, the object has several prominent features along the vertical axis that are colored.

Remapping the Color

  1. Obtain a calibration cylinder from Cyberware Support. To request a calibration cylinder, please contact Cyberware Sales.

    Note: You will be responsible for ALL shipping/handling charges for the shipment of the cylinder to your site and back to Cyberware. The test cylinders are also available for purchase.

  2. Place the calibration cylinder onto the motion platform, centered over the axis of rotation. The cylinder should be centered over the field-of-view, so that all five indentations on the cylinder are visible in Monitor Mode.

  3. Secure the calibration cylinder to the motion platform with a few pieces of clay or hot glue. The cylinder should not be allowed to move during this process, even minutely.

  4. Ensure that the 3030 fluorescent lights are turned on.

  5. Launch CyScan.

  6. Take a sample scan with the following settings:

    Mode:Circular
    Texture:RGB
    Arc:360°
    Pitch:0.70°

  7. Select Shaded Textured Surface from the View menu (CTRL + x).

  8. Enable the Expert Controls in the Options menu.

  9. Select Texture Resample Controls from the View menu.

    You should see the control panel in the illustration below:

[Texture Resample Controls]
Texture Resample Controls

    This control panel is the interface to all of the color mapping controls. The pertinent controls are explained below (for a more detailed description of the various controls in this window, please consult the CyScanNT User Guide):

  1. Adjust the right/left mapping:

    1. Move the Move M Red, Move M Green, and Move M Blue sliders to the same value.

    2. Press the RMap Process button to reapply the texture map to the polygonal data with the new parameters.

    3. Repeat this step until the color map is in alignment with the polygonal data in the X (or theta) direction.

  2. Adjust the up/down mapping:

    1. Move the Move N to a higher or lower number to adjust the color mapping along the Y axis.

    2. Press the RMap Process button to reapply the texture map to the polygonal data with the new parameters.

    3. Repeat this step until the color map is in alignment with the polygonal data in the X (or theta) direction.

  3. Adjust the Y-axis "stretch":

    1. Move the Scale N to a higher or lower number to adjust the color mapping along the Y axis.

    2. Press the RMap Process button to reapply the texture map to the polygonal data with the new parameters.

    3. Repeat this step until the color map is in alignment with the polygonal data in the X (or theta) direction.

  4. Sometimes, further refinement of the variables is required. Repeat steps 10-12 as many times as necessary to correctly map the color onto the range data.

  5. Open the "*-factory.txt" configuration file (in the ...\Cyberware\CyScan\cfg\ directory) using any text editor.

  6. Copy all of the variables from the Texture Resample Controls window into the configuration file using this template as a guide:

    texresample tr set transmred = Move M Red
    texresample tr set transmgrn = Move M Green
    texresample tr set transmblu = Move M Blue
    texresample tr set scalen = Scale N
    texresample tr set transn = Move N

  7. Save the configuration file.

  8. Close the configuration file.

  9. Quit CyScan.

  10. Launch CyScan (this will read in the new color mapping parameters).

  11. Take a scan with the following settings:

    Mode:Circular
    Texture:RGB
    Arc:360°
    Pitch:0.70°

  12. Select Shaded Textured Surface from the View menu (CTRL + x) and verify the new settings.

    If the color mapping is correct... Congratulations!

    If the color mapping is incorrect, complete this entire procedure until the color is aligned well with the range data.