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3D and 3D Delta Axis and the Input Palette

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#1 Paulji


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Posted 03 January 2017 - 02:52 PM

One draws on the active reference plane.  This can be a temporary reference plane, a custom reference plane or a World Cartesian reference plane.  When a temporary reference plane is displayed by moving the cursor over an object’s face, one can lock the reference plane (shortcut F5) or create a custom reference plane by right clicking and selecting “ Save As Custom Reference Plane” from the context menu.  

When the 3D or 3D Delta modes are active, the visible axis of any temporary or custom reference plane cannot be used to input values in the Input Palette  X, Y, Z-edit boxes.  (Except in those special cases where the temporary or custom reference plane is co-planar with the previously active World Cartesian reference plane.)



Doing so will not give the accurate X,Y,Z values as the 3D or 3D Delta coordinates reference the orientation and direction of the axis of the previously active XY-Plane, YZ-Plane, or ZX-Plane.


In the attached example, the custom reference axis is shown as solid color lines with arrow terminators. The dashed color lines show lines created when X, Y, Z values were input. These follow the World Cartesian reference plane axis.


My suggestion is that whenever the 3D or 3D Delta modes are active, the temporary or custom reference plane axis should be shown in a grey color and NOT show as X (red), Y (green), and Z (blue) colored arrows.  In addition, the previously active World Cartesian reference plane axis should be prominantly shown.


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  • Input Palette_3D Delta_XYZ Lock Plane Axis.jpg

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#2 Paulji


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Posted 06 January 2017 - 11:08 AM

A Better Suggestion...to graying out the Custom Reference Plane axis:


After more thought, I'd like to revise my suggestion.  

While in 3D or 3D Delta mode the fact that a user has gone to the trouble to create a custom reference plane or enters a relative base point or point  (F4) on a temporary reference plane should inform the program to anticipate that the user intends to use the ative reference plane's base point and XYZ axis to input X,Y, Z values rather than coordinate values of the X,Y,Z axis of the World Cartesian system.


New Suggestion:

I suggest that whenever a point is selected on a temporary or custom plane the Plane mode is automatically activated for coordinate input, and whenever a relative base point (F4) is selected on a temporary or Custom plane the Plane Delta is automatically activated.


Should a user wish to override this an d maintain the coordinate input of the previously active world cartesian coordinate system they can toggle the 3D or 3D Delta override by double clicking on either the 3D or 3D Delta pulldown.



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#3 Chris lund

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Posted 06 January 2017 - 01:56 PM

I would think this is a bug.   Angle and Length does not produce on the arbitrary plane if you type in the angle.


With a simple coordinate of p,ø    it should not shoot off of the plane.


when not typing in something, it seems to know where it is at...    eg.  following one of the axis snaps that is generated, (90º)  it is cool.  tab to the field and type in 90  and it jumps off into space.  Neither 90º on the arbitrary plane, nor 90º   in the world coordinates.


This works with the auto-planes too, does not have to be a specified arbitrary plane.

Christopher Lund

Neurascenic - Industrial Design

#4 Paulji


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Posted 07 January 2017 - 07:41 AM

Chris, Good points. I think it's a bug also.

It's not a new phenomena. While users may have initially found it an annoyance they have simply worked around it and avoided inputting values in 3D Delta mode.

Why have a 3D Delta mode? Isn't it really a special subset of Plane Delta? I can't imagine the necessity for it. If it's causing unexpected input anomalies, users will avoid it when not working co-planar to the World Cartesian axis.

If anyone has a reason why it would be inappropriate to remove the 3D Delta mode and merge it into Plane Delta mode I would be very interested in hearing about it.

#5 Tech



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Posted 09 January 2017 - 02:21 PM

Hi PaulJi,


Yes, this should be working differently for this situation.  Thanks for your report, we will get this corrected.  ;)

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