Cyberware designs, manufactures, and sells standard and custom 3D scanning systems and software.

How to Adjust the Color Map

This page will list the steps required to adjust the color mapping properties on a Cyberware PS, MM, MS, or LN scanner using CyScan.

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

• CyScan version 1.5 or later
• The Administrator password for the machine that stores the Cyberware CyScan configuration files.
• 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.

Procedure

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. Setup the software to take a scan with these settings:

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

7. Scan the calibration cylinder.

8. Select Shaded Textured Surface from the View menu (CTRL + x). This view will allow you to see the range data and the color data.

9. Select Texture Controls... from the Edit menu. A small window, pictured below, should appear.

Texture Controls

10. Click one time on the Device menu, then select the appropriate scanner platform from the list:

Texture Controls Device Menu

Selection	Scanner
None	No Scanner
LN	3030RGB/LN
MX	3030RGB/MM 3030RGB/MS
MXU	3030RGB/MM USB 3030RGB/MM USB
MX Hirez	3030/RGB/HIREZ/MM 3030RGB/HIREZ/MM
PS	3030RGB/PS
PS Hirez	3030RGB/HIREZ/PS
PS HRC	3030HRC/PS
WB4	Whole Body 4
MXU TC BWAS	Custom

You should see the window expand to a control panel, similar to the illustration below:

Texture Control Panel

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 CyScan User Guide):

It is important that you use only the sliders that are discussed in this procedure. Modification of the remaining sliders is not necessary, and may make the color alignment process extremely difficult.

11. 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 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.

12. 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 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.

13. 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 Process button to reapply the texture map to the polygonal data with the new parameters.

    3. Repeat this step until the color map is properly stretched along the the Y-axis (up/down).

14. Sometimes, further refinement of the variables is required. Repeat steps 11-13 as many times as necessary to correctly map the color onto the range data.

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

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

    texresample tr0 set transmred	=	Move M Red
    texresample tr0 set transmgrn	=	Move M Green
    texresample tr0 set transmblu	=	Move M Blue
    texresample tr0 set scalen	=	Scale N
    texresample tr0 set transn	=	Move N

17. Save the configuration file.

18. Close the configuration file.

19. Exit CyScan.

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

21. Take a scan with the following settings:

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

22. 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.