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graphics & method for modifying Toposolid

graphics & method for modifying Toposolid

The new Toposolid in Revit 2024 may have some new developments that are advantageous, but the work flow and graphics when editing points on a Toposolid are terrible and major hinderance to design and production. 

 

When editing a Toposurface in 2023 and prior, as points are added/modified contour lines between points are shown in real time, based on Site Settings. The background visibility is dulled, but detail lines, images, etc. that may be used as reference are still easily visible. 

 

When modifying a Toposolid in 2024, as points are added/modified, contour lines are NOT shown in real time, but folding lines are shown triangulating between points. When placing points, Revit wants to snap to these folding lines. The background visibility is dulled much more, such that detail lines, images, etc. are dulled to the point where they are barely visible and very difficult to use as reference. 

 

The only way to see contour lines is to exit out of edit mode to see the results. With Toposolid Revit even more aggressively makes contour lines between points in close proximity at curves, creating contour lines that go across curves at multiple points rather than following an intended path. Having to go in and out of edit mode to see contour lines is very time consuming and disruptive to productive work flow. 

 

The Folding Lines are generally meaningless. There's no point in showing them, anywhere. They maybe there for Revit to do whatever it needs to do in creating Topography, but we do not need to see them and have no use for them. That Folding Lines are visible in edit mode, and Revit want to snap to them, is absurd. We need to see the contour lines as points are added/modified, not Folding Lines. 

 

Toposolid editing is also much slower than Toposurface because Revit is constantly triangulating between every point in real time. Adding multiple points along contour lines has now become painfully slow. With Toposurface, multiple points could be added very quickly and contour lines generated instantly. There's even an add-in called Auto Clicker which allows you to move the the cursor along a path and points are added by setting an auto click interval, instead of clicking for every point. This is not possible with Toposolid because the response time is so slow. 

 

It's annoying AF that Revit is constantly making multiple contour lines between points in close proximity at curves rather than following an intended path. But there's a method to force Revit to do what you want by adding points that are +.1 or -.1 adjacent to points that are intended to define contour lines. It's a lot of extra tedious work, but it gets contour lines to behave. Since contour lines are not visible in real time when editing Toposolid, you have to go in and out of edit mode, and it makes the process even more tedious and slow. 

 

When Autodesk bought Site Works from Eagle Point Software, and renamed it Site Designer, it had some very functional and efficient tools for site grading. such as Feature Lines. then Auto desk decided to discontinue it. These tools were adopted from Civil3D and intended for use by Architects. So it is possible that efficient & effective site grading tools can be developed. 

 

Revit needs to be function in a manner that supports the way Architects work. Topography has always been lacking in functionality. One of the most basic functions of topography is site grading, and it's been made even more disfunctional with Toposolid. Autodesk has done a major disservice to it's customers by not provided an easy and efficient manner to grade a site with contour lines, cut/fill, etc. 

68 Comments
KennethFlemming
Participant

If you grab the topo solid and then add a thin Sub-Divide over the entire shape, you can modify the topo solid spot elevations while seeing the contours.  The thinner the Sub-Divide the closer the contours will be to actual locations.

markfRECZU
Contributor

Yes, topo solids are so dysfunctional and time consuming that they are unusable. The results are inaccurate and they create embarrassingly bad 3D views with all the triangulation and sharp edges. It is so bad I can't show them to clients. The 2025 "fix" by blurring the sharp edges is, at best, an undersized band aid, but at least it shows that Autodesk acknowledges there is problem.

 

Please bring back topo surfaces and their tools and let users decide which element to use for what purpose. Topo surfaces may not have been perfect but they were much more useful and efficient at creating accurate and realistic topography.

afshin.bariMP9G6
Enthusiast

Hello folks,

 

Just chipping in to show our office frustration with this change; a large site with 2000 points is resulting in average 30 seconds to add/remove/amend a single point! Just doesn't work for business. Revit 2023 is therefore suggested for any office work requiring topography work unfortunately - the loading hourglass symbol is burning into our retinas! 

 

Looking forward to the fix. Fingers crossed for Revit 2026!

markfRECZU
Contributor

Very well said! Hopefully the developers will read your post and create useful editing tools or bring back editing tools for toposurfaces and let us choose which topography modeling works best for our needs.

PatrickGSR94
Advocate

@markfRECZUthey have read it, as many of the initial toposolid issues have been remedied as of the current 2025.3 release.  Contour lines are visible when editing, points and split lines can reference the surface itself, or the project base point, or the survey point (this is a BIG win here, much more functionality over toposurface tools), points can now snap to geometry, and an upcoming release will also bring back the ability to copy points.  So, it's getting there.

markfRECZU
Contributor
That's encouraging, thanks for letting me know. I will still wait for more input from the community before upgrading though. We are still smarting from the huge loss in productivity and functionality created by upgrading to R-2024.
I'm also curious about improvements to the graphics applied to the mesh and fixes for the triangulation inaccuracies created when converting points files or toposurfaces to the toposolid. In R-2024 the graphics are so poor I cannot present them to our clients. I've seen the "soften edges" fix that came out later but that was just a tiny Band-Aid over a huge problem. Hopefully that will be improved too.
hworrell
Enthusiast

Is the visibility of the toposolid going to be addressed?  Linked modeled elements - wall, foundations, etc. need to take precedence over the toposolid in section views.  

PatrickGSR94
Advocate

@hworrell  yes that would be a huge help.  In my opinion, all modeled elements should take precedence over the toposolid, or at least, over the cut pattern.  This worked fine with toposurfaces, because it was just a surface, with no actual 3D solid geometry underneath it.  The cut material was just shown in section or plan views for graphical purposes.  But since there was no solid geometry, the other model elements would cover up take precedence over the material cut pattern, which made them look correct in section.

 

Now that we have toposolids, other model geometry has to actually "cut" into the solid to make it look correct in section.  It does work, but it's a tedious process to have to do that for EVERYTHING in the model that touches the toposolid.  But like you said, it's not even an option to make linked model elements cut the solid.  Some sort of graphic setting to make linked geometry cover up or obscure the toposolid's material cut graphics, would be a big help to making our drawings look correct.

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