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Reference Plane - UNDERLAY - Set Custom Placement

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#1 Paulji


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Posted 28 January 2017 - 05:25 PM

The default 0,0,0 origin for underlays on reference planes is located at the center of the inserted underlay image.

Underlay_Default_Center of Page.png

Default Location of Underlay at Center of Page



It would be very useful to be able to custom place the Origin of the underlay to the Reference Plane's 0,0,0 Origin so that subsequent "revised" images have a known reference point. This is important so that future revised images can be stacked in the same known location. Examples are revisions to floor plans, lighting plans, furniture plans, stacking of floor plans on multiple stories and site plan revisions. 

Underlay_Floor Plan_Base Point on Image.jpg

Example: Floor Plan with Bottom Corner at Reference Origin


[Note: The above image was done using the Billboard tool.  The downside of the Billboard tool it doesn't allow you to adjust transparency of the image like the Reference Plane Underlay or Autocad's Transparency command]


The only way to do this currently is through the Reference Plane Parameters dialog box > Underlay > Custom Placement > Origin edit boxes for X, Y, Z.   I believe I've discovered a bug.  


I find it impossible to located the corner of a floor plan by entering values corresponding to the reverse values found in the Input Palette X, Y, Z edit boxes.

Custom Origin Placement-Error.jpg

Example: Error Placing Underlay Bottom Floor Plan Corner -  minus 14'-10 5/32" becomes minus 14'-10 5/32" + 29'-5 11/16" along X-axis.



1.  Add a toggle "Click point to move to reference plane origin"  (Less wordy perhaps) in other words, allow user to click a point on the underlay to move underlay to the reference plane's origin.

2.  Permit the Underlay image to be selectable and movable similar to the Billboard Tool.

3.  Add a transparency slider to the Billboard tool similar to the Reference Plane Parameter slider.


Edited by Paulji, 28 January 2017 - 05:27 PM.

  • 3dworks, Gregorytig, Santoskes and 3 others like this

#2 3dworks


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Posted 29 January 2017 - 11:04 AM

good points, the whole underlay tool is not working as well as it did with the pylon tools some years ago. with tihs plugin it was a breeze to set the underlay visually in seconds. now we need minutes and a lot of patience and typing skills. autodessys always promised to improve that tool and to get it equal or better than the old (not anymore working) pylon plugin, but version 8 was not bringing this. let's see for version 9?

Edited by 3dworks, 29 January 2017 - 11:05 AM.

3dworks visual computing + photography

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