60000748 Ruler wishes

Summary

Ruler wishes, colors, units etc.

Solution

New properties was added in 6015 for RulerObject of vdScrollable control.
  1. CursorColor  Get/Set the color of ruler cursor.
  2. TextColor  Get/Set the color of the ruler text.
  3. DecimalDisplayType  Get/Set the ruler display type for the decimal part of values. Default value is Decimal.
  4. Scale  Represents the number of drawing units for one ruler unit.Default value is 1.
  5. TickMarks  Get/Set the number of tick marks between whole integer values.Default value is 10.
  6. FractionalTickMarks  Get/Set the number of tick marks between fractional values.Default value is 10.

 
Example:
For using millimiters use the following values:
      Scale = 1.0d;//1 unit of ruler is 1 Drawing Unit (assume  that 1 Drawing unit represent 1 mm)
      TickMarks = 10;
      FractionalTickMarks = 10;
      DecimalDisplayType = DisplayType.Decimal;

For using inches use the following values:
      Scale = 25.4;//1 unit of ruler is 25.4 Drawing Unit  (== 1 inch) (assume  that 1 Drawing unit represent 1 mm)
      TickMarks = 12;// Whole integer values are multiple of 12
      FractionalTickMarks = 16;
      DecimalDisplayType = DisplayType.Fractional;

*You should keep in mind that in order for the ruler to properly display, the rotation of the WorldToViewMatrix (twist) should be 0.*

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