Revit 2020: New Feature – Egress Path of Travel

Troy Mifsud
Revit has a new Analysis tool that helps Architects calculate the travel distance for Egress. This tool (on the Analyze Tab of the ribbon) quickly finds the paths between from Point A to Point B that you choose on your plans. After clicking the tool simply choose your start and end points and the software will find the shortest path, while observing the Route Analysis settings. The system ignores hidden, deleted and underlay items, plus any categories you want it to ignore. (Such as furniture.)
You can create custom line styles as desired. If the floor plan changes (such as a door moves) you can also run the “update” function to adjust the path. There is also a “time” calculation associated with the length of the path to show how long it would take to travel along that path. All this information can be displayed in a schedule. (Lines Category.) The appearance of the travel lines can be overridden by filters, so if you want to automatically highlight all travel paths that exceed a specified dimension, you can set a filter for that.
So, while this is a good start there are a few shortcomings in the tool we’d like to see addressed. If you want to adjust the start or end points…well sorry. You can’t. You’ll have to erase and start over. We’d also like the ability to constrain the start\end points to other Revit Geometry. You also can’t change the start or end arrowheads. It also looks like the tool could work with the “To and From” room properties but that doesn’t appear to be implemented yet. It also looks like the tools uses a default speed of 3.0 mph and I’m sure someone will want to change that. So hopefully we will see some of these items in a future update or release.
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Revit 2020 New Feature – Insert PDF’s

Troy Mifsud

With Revit 2020 we can now directly insert a PDF into Revit! Once inserted the PDF behaves like an image. You can insert the PDF into plans, elevations, sections, legends and drafting views.

The PDF can be linked to a family type for display in a schedule and even placed directly on sheets without creating a new view. (Nice if you are linking in Spec Sections.) You can choose the image resolution, and if you insert a multi-page PDF you can choose which page to insert. The PDF can be moved, rotated, scaled, and placed in the foreground or background.

If the PDF is vector based, you can enable snapping to the elements in the vector to make it easy to trace. (Snapping to PDF is off by default.)

Finally, if the PDF changes, or if you need to adjust the resolution, you can reload the PDF with the manage image dialog box.

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Here’s a link from Autodesk about the feature

If you need any help installing or setting up Revit just reach out to us at [email protected]

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Revit 2020 New Feature – Elliptical walls

Troy Mifsud
Ok. This is a quick one…In Revit 2020 we now have the ability to draw Elliptical walls. The full and partial ellipse shapes are now options on the draw panel. Just like circular walls, if you draw 360 a full ellipse the software will create 2 elliptical arcs, so watch those join points for patterns.
We tested grip editing of the ellipse and noticed some unexpected behaviors. The default grip for “drag wall end” only lets you “open” up the ellipse and not stretch the major axis. And don’t try closing the ellipse back up again…There doesn’t seem to be any way to do that precisely. There is a grip at the mid-point of the minor axis to change length of the minor axis. This will only change one half of the ellipse. There is also a grip to change the major axis hidden under the “drag wall end” grip…. but if you drag that you start to get some weird shapes, so you may want to stay away from that.
If you want to dimension the ellipse you can turn on the visibility of “center” and “focus marks”. You can dimension to them along the major axis. Along the minor axis its looks like you’ll have to draw reference planes that intersect to be able to snap to that location. Hopefully that will be addressed in an update.
You can also draw curtain walls in an elliptical shape. If you have a spacing rule set up in the curtain wall style it will segment nicely. At the junction between each half of the ellipse you’ll likely have to replace the mullion with a custom shape or corner mullion.

Here’s a video from Autodesk on the new feature.

If you need any help with any Revit feature just each out to us at [email protected]

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A Quick Look at our CADD & BIM Consulting Services

Troy Mifsud

myCADD’s CADD & BIM Consulting Services – for Architects, Engineers, Builders, & Owners. We specialize in Laser Scanning, BIM Modeling, Strategic Planning & Implementation, RevitBIM Training, BIM Management, and Facilities Management.

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