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BUG REPORT: Reference Text in Spot Label Style can't use Expressions for Height

BUG REPORT: Reference Text in Spot Label Style can't use Expressions for Height

In the past, I've used expressions to control the text height for a component in a label style.  Now I needed to do that for a REFERENCE TEXT component within a style (Spot Elevation Style).  Using C3D SP1, I attempted to do so without success.

 

In this image, you can see what the Text Height Property field looks like for a standard Surface Elevation component.  Take note of the fact that it allows me to pick an expression.

C3DSpotElevLblStyleComponentHtSE.png

 

Next is what I see when editing a Reference Text component.  Note how it will only accept a numeric value.

C3DSpotElevLblStyleComponentHtRef.png

6 Comments
troma
Mentor

I've run into this problem before (running 2013 version). I don't think of it as a bug. I think of it more as something they forgot to include.

Absolutely there is no reason why we can't have this.

Setting a text height by an expression is often used to make a text component "appear" and "disappear" depending on the circumstances of the label.

doni49
Mentor
Regarding the "version" listed above, it's not just SP1 - - it's C3D 2016
SP1.
doni49
Mentor

@troma:  That's exactly what I was looking to do.

troma
Mentor

@doni49 as a workaround, try setting the reference text expression to format the result as a negative value where you don't want it displayed, and set the text format to "hide negative values".

doni49
Mentor
Thanks. But that won't work in this case. The ref text points to a
comparison surface and the spot elevation value actually represents the
difference between the two surfaces.

Some of the values are negative and some are positive.

My intention was to make any one that has an absolute value greater than
0.1' red.

We're comparing the design surface to the As Built surface provided by the
contractor.

The work was supposed to be done to a tolerance of 0.1' there are a
boatload of places that greatly exceed that tolerance.
troma
Mentor

Also, related to this idea:

All measurements in the label style composer that can use expressions normally, should also allow expressions for reference text.

This includes the X Offset, the Y Offset, Maximum Width and any others I haven't found.

Thanks.

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