Suggestion : Invisible hatch or wipeout for 2d block symbols

Rhino
1

With an option for making a hatch invisible and used in a block , it gives the possibility to hide content below the hatch and this has a few uses:

  • P&ID diagrams and similar the “line” element can be continuous below the symbols:

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image290×205 439 Bytes

Similar this is useful for other kinds of diagrams type drawings and for callout
ballons etc.

  • 2d assembly drawings can be implemented with manipulating the draw order
    of the blocks. For example a shaft with bearings and components where the
    shaft is below all other blocks.

In AutoCAD there is an option to use a “wipeout” element for this.
Other software implement this with a invisible hatch.

I did not find any possibility to implement this with the current toolset in Rhinoceros,
but I might be wrong here.

2

Hei rute -

We have that feature request on the heap as RH-73639 - Polyline Mask for objects (WIPOUT)
This item is not visible to the public.

In the case of your valve on the hydraulic line, when you include a white hatch in the valve block, you can use the SendToBack command on the line to make that not show up through the block.

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image531×182 4.78 KB

One should be able to use BringToFront on the block object but that doesn’t currently work:
→ RH-35705 Apply to block instances
-wim

3

Excellent.

I did some testing myself and probably hit the issue RH-35705, as
I remember I could not get it to work properly with draw order.

The work around is easy here, but could be an issue with many
overlapping blocks.