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How to combine boolean expressions in PropertyWizard for Revit

This post explains how to combine boolean (Yes/No or True/False) expressions in your PropertyWizard formulas. I’ve written about finding text and using boolean expressions before, but never explained how to combine more than one boolean together. This post fixes that omission.

There are two different ways to combine booleans in PropertyWizard: Logical Functions and Logical Operators. They both do exactly the same thing, so you can use whichever you find easier.

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PropertyWizard – New Version 1-8-3

PropertyWizard version 1-8-3 is now live on the Autodesk App Store.

Download from here – with free trial

Help file here

This version removes the WorksharingInfo feature, because after further exploration and testing, it is clear that it cannot be made to work properly with synchronisation. The way the data moves between the Revit session and the Central file means that formulas using the feature will not work properly over time.

There’s a first time for everything, and this is the first time I’ve had to remove a feature from PropertyWizard.

In happier news, this version adds support for centimeter and inch units in formulas, using the suffixes ‘cm’ and ‘inch’. This should allow you to write formulas directly in those units, rather than having to input odd values in ft and mm.

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How to split text at a character using PropertyWizard for Revit

PropertyWizard V1-8-2 gives you several ways to extract one piece of text from another. This post explains how to split a text like this into two pieces at the semicolon:

E:9.9;N:10.8

There are three steps:

  1. Find the position of the semicolon
  2. Extract the first part of the text
  3. Extract the second part of the text

In a real project, you do not need to do step 1 separately: I am just splitting it out as a separate step here to show you how the formulas work.

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New trig function ‘atan2’ in PropertyWizard V1-8-2

PropertyWizard 1-8-2 includes an extra inverse tan function, ‘atan2’:

atan2(<y-value>, <x-value>)

The new function allows you to calculate the angle of a line from the line’s Y and X components (note the order of the arguments!) and it will return angle values from -π to +π radians (-180 to +180 degrees).

This is more versatile than the existing function ‘atan’, which can only return angles from -π/2 to +π/2 radians (-90 to +90 degrees).

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New text case functions in PropertyWizard V1-8-2

There are three new text case functions in PropertyWizard version 1-8-2. They allow you to change text between lower and upper case, and to capitalise the words of a piece of text.

toLowercase(<text>) and toUppercase(<text>)

These two functions convert text to lowercase and to uppercase respectively.

They are useful when you want to enforce a particular annotation standard. For example, if you want to change all the Room names in a project to uppercase, you can use a formula like this:

toUppercase(Name)
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New text extraction functions in PropertyWizard V1-8-2

There are three new text extraction functions in PropertyWizard version 1-8-2. They give you more options for extracting sub-strings from a string of text, alongside the existing substr(<text>, <index>, <count>) function.

substr(<text>, <index>)

This new function returns the end of the <text>, starting from character number <index>. The first character index is zero.

This operates just like substr(<text>, <index>, <count>) but returns all the characters from <index> to the end of the text, not just <count> characters. It’s useful if you want to get rid of the first <count>+1 characters from the text, but don’t know how long the text will be.

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