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Alan Woodwell

Elevations and depth of field

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I would wholeheartedly welcome this wish-list item (ArchiCAD has had a similar function for awhile).

Here's a LINK to one of the previous wish-list requests for this ( from September 2015).

 

Unfortunately, unless it is already in there I don't think there is much chance of it being added to Vw2018 at this point, with the usual September release being ~3 months away. Perhaps in Vw2019?

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I like it too. Perhaps with a logarithmic/ inverse square fade by distance rather than a linear one.

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It would be good if some classes could ignore the fade requirement.

I mean just look how much better that elevation would read if some of the lines didn't fade.

Namely building outline and maybe window outlines so we keep the mass but fade the detail.

 

Edit:

If they used decent pen variation in the sample image if might work ok as is.

Edited by Matt Overton
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Thinking Marionette again, if we use the criteria node to read the items distance away from another in the x or y direction and then use that to create the line thicknesses in the elevation. Post holiday task :)

Will need new node VS:SetLineAttributeData may be the one to set line based on data received.

Maybe someone can try this?

 

Edited by Alan Woodwell

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One we do this manually for now is to create white polygons in the annotations layer and set their opacity somewhere between 15-30%

Edited by Christiaan
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Thanks Alan. Can't say I came up with this technique. Pretty sure I got the idea off @CipesDesigna few years back. Here's an example of using it quite heavily to fade the left side of this elevation (it's 25 m behind the area to the right). I've also used a mask over the whole elevation to decrease saturation. We find the default saturation in RW too much, not just for the screen but especially printing. So while this might look a little bit too desaturated it prints perfectly.

 

This is a colour example but I've used this reasonably successfully with greyscale line drawings as well. The only problem is when you get site managers trying to printing on black and white only printers (in which case you have to rely on line thickness for depth of field), but they're increasingly hard to come by these days.

 

Still, I'd love to have this feature built it some way, as you describe. This technique is perfect and it needs to be manually adjusted each time model is changed.

 

example.jpg

 

And here it is without masks:

example2.jpg.c6decbd6539ae274089170f21cf7697b.jpg

 

Edited by Christiaan
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7 hours ago, Christiaan said:

I knew I'd asked for this somewhere too:

 

 

Perhaps mistakenly, I thought that ^^^^ other thread ^^^^ was referring to the camera effect of "depth of field" which shows blurry out-of-focus objects via the camera f-stop (added in Vw2016).

 

What is being described in this current wish-list thread (perfectly illustrated by Christiaan's example), I believe is called "elevation depth cueing". (At least that's how Revit refers to it).

 

[I don't mean to sound pedantic, I just don't want the Vw engineers to read "depth of field" and think that they already added this feature in Vw2016].

Edited by rDesign
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Ha, yes. Believe it or not I can't actually remember which I was asking for. Pays to make accurate wishes.

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