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Thread: Pipe Cap Symbol

  1. #1
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    Pipe Cap Symbol

    I'm struggling to come up with a way to make a static pipe cap symbol. One that responds to view scale, does not change size with the pipe size, and will show on sloped piping.

    I was close with a generic annotation family nested into a face based family set to shared and then nested into the fitting family on a reference plane that could be set to a specific angle. It worked but the symbol was half toned and I couldn't figure out where that half toning was coming from.

    Thoughts?

    Suggestions?
    Last edited by RobDraw; August 3rd, 2017 at 06:56 PM.

  2. #2
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    It turns out the the generic face based nested shared family gets treated as an underlay. That is where the half toning was coming from. Changing the category to a piping category solved that issue.
    kubsix likes this.

  3. #3
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    Very creative idea about nesting the GA family into a face-hosted family. But how do you control the angle of the hosting plane? Very often a sloped object gets forced to a non-standard slope, so your reference plane would still be slightly "off", rendering the GA family invisible.

  4. #4
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    Not my idea at all. It's simple in concept and my cap family only has to compensate for one slope. I initially started with an instance parameter planning on making it a type parameter but even that was unnecessary.

    BTW, 1/8" per foot is 0.60 degrees.

  5. #5
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    It was this thread about doing the same with lighting fixture symbols that lead me to the blog post linked in replay #4:
    https://www.theswamp.org/index.php?t...;topicseen#new

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    It seems that people don't like using the built-in linework/linework in the family for pipe fittings/accessories. I am curious as to the reasons for going with GA families as I find that, on the whole, using linework in the family is more suitable/easier to work with.

  7. #7
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    Mostly to have the same symbols at the same size no matter the pipe size or scale of the drawing.

    I think we can agree that OOTB families suck when it comes to symbology. An annotation family seems appropriate unil you put it on top of the wonky OOTB families. I'm actually beginning to rethink the annotation family approach as variations in symbol size having to do with slope are negligible and I'm starting to get my head around this stuff a little more.

    I think I can make the symbology work the way I'd like without the annotation family.
    Necro99 likes this.

  8. #8
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    The only place where I've found using the linework doesn't work is when you have "compound" or really long valves (say a backflow preventer). In that case I uncheck the "use annotation scale" or just have a box with letters.

    Sent from my Nexus 5 using Tapatalk

  9. #9
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    Okay, I missed the mark with my answer.

    The OOTB symbology does not match any standard I've worked with. Trying to make that linework behave appropriately is difficult. I'm planning on trying to make my own linework to match predetermined symbology.

  10. #10
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    How do you control the appearance of the families at varying scales, such as with 1/4" scale part plans? That's why I use the GA approach.

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