Redundant lines generated in Elevation/ Section Drawings
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2005-10-24 06:40 PM - last edited on 2023-05-17 12:56 AM by Gordana Radonic
David Rulon
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2005-10-26 04:32 AM
I wonder if you weren't entirely understanding what Tom was saying. I don't think he was suggesting that you model everything. I think he was just saying you could leave a simpler model (without unlinking) and add all your 2D detail on top of that, in the section window. This way you get your detail, but leave the model "live" so changes show up easily and don't have redundant linework.
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Richard Morrison, Architect-Interior Designer
AC26 (since AC6.0), Win10
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2005-10-26 06:28 PM
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2005-10-26 08:11 PM
Richard wrote:Exactly. Some people are not comfortable modeling as much, or do a type of work not conducive to modeling, and model more in "outline" form. You still get a lot of the benefits of modeling without as many graphic and learning curve issues.
David,
I wonder if you weren't entirely understanding what Tom was saying. I don't think he was suggesting that you model everything. I think he was just saying you could leave a simpler model (without unlinking) and add all your 2D detail on top of that, in the section window. This way you get your detail, but leave the model "live" so changes show up easily and don't have redundant linework.
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2005-10-26 08:52 PM
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2005-10-26 09:11 PM
jdrulon wrote:In these cases, everything that is modeled is used for the construction document. Usually, it is all walls, roofs, and slabs, with simple doors & windows (no trim, sills, etc). Nothing is traced over, and all of it is linked to the model. In section views, the Display Option for doors & windows is set to "Ceiling plan", so that actual windows are drawn in the openings created by the Archicad windows.
When you do as you are suggesting do you try to use any of the information from the model as is or do you trace over everything and put these 2D lines on separate layers that can be locked or turned off? Trying to get the walls, slab and roofs to clean up properly in the 3D mode is difficult and time consuming. Do you also keep the Elevation Window dynamically linked to the model? I am always afraid of deleting a part of the model without realizing it when working in the Elevation Window.
I've found cleaning these drawings up to be really quick and easy, as has my staff of 25. I cannot say why your experience has been so difficult.
It does take a little getting used to the idea that any changes made to one view are made in another (even unintentional ones, like deleting something you did not intend to), but the benefits of being able to make plan changes in the elevation or being able to use the label tools to label roof pitches or window types far outweight the drawbacks.
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2005-10-27 12:20 AM
Thanks.
+pablo
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2005-10-27 01:57 AM
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2005-11-07 07:27 PM
I stopped exploding my sections/elevations years ago and have focused on using the inherant 3D capabilities of ArchiCAD ... much more fun and efficient ... CD times have been cut way down ... changes are picked up throughout the plans with much less effort and errors!
Tom
www.designdailey.com
ArchiCAD • 25+ years experience
AC …20, Sketchup Pro 2016, Artlantis Studio 6 Piranisi 6 PRO, VectorWorks, Adobe CC, 27" iMacs, G4 Cube, Mac OS 10.12.5, iPad Pro, Windows 7 Ultimate
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2005-11-07 08:11 PM
Pablo wrote:Sorry, I've been slammed lately and have not been on the board so much. I think part of the key is knowing what to model and what not to. Below are a few ideas:
Tom, I am a newbie when it comes to stuff like this.. can you clip some images and show us what you mean? I have spent a good deal of money buying as many 3D parts as I can, figuring that I will save some time in the CD prep process (i.e., Real Doors & Windows, Trim, ArchiTile, etc.) Is this the wrong approach? I do want to streamline the CD production process.
Thanks.
+pablo
Model with materials assigned, so you do not have to draw fills in manually.
I think most doors can be convincing in elevation if you take advantage of the "Custom" panel options. Likewise, most the SmartParts windows allows custom grille patterns.
Yes, I like SmartParts a lot. It sounds like a lot of money, but I like it a lot better than the Archicad library for doors, windows, and trim.
You can make your large scale sections more convincing if your forget about making the Archicad objects look right in section. Use the Display Options to set your windows to Ceiling Mode, and you will only see the opening. Then you can draw whatever window frame & mullion assembly you need. (Ideally saved as an object and re-used throughout the project).
The vast majority of trim conditions can be dealt with using either the SmartParts EasyTrim object or the CADimage 3D Profiler.
I routinely repeat to my staff: "Model to 1/4" scale." If your plans, building elevations, building sections, and interior elevations all match, you can REALLY fly. Even simple trim such as tile bases and tile tub surrounds are modeled in most projects. Is it easier to draw four 1/4"x4" walls with a tile material or to draw hatch on every elevation, cutting out all the gaps?
"Trim to Roof" and Solid Element commands are critical for making walls, slabs, and roofs to clean up in section. It takes a while to learn how to intersect a slab with a sloping roof, or make a slab cut through all layers of a composite wall except the plywood sheathing. The brick cap in the attached screenshot is an Operator with the brick wall below as a target, and is Subtracting with Upward Extrustion. Move the cap, and the brick follows it. The brick wall is 9'-4" high, allowing for the cap to be deleted and have the brick continue to the next story.
In the attached screenshot, all you see are walls, slabs, a mesh for the brick cap, a roof for the thickened haunch, and a custom 3D fascia/gutter object I made. You will not that the soffit is not modeled. I have a 2D "stamp" to place in there, since you only really see it in a couple sections, not in any exterior or interior elevations.
I think some other addtions depend on your scope of work. If you do a lot of tilework, then ArchiTile makes sense. If you only ever make single-color tile bases, it's not worth it.
I always find it shocking when people think some libraries on Objects Online are expensive. Let's talk about SmartParts. Yes, $495 is a lot of money.... to an individual. To a company, it's probably 3 to 4 billable hours. You could pay twice as much and still make your money back. I have an object on there "Stretchy Masonry". It's a simple kit of 4 objects that draw 2D brick and block courses. It's $70. Will you save 1 billable hour to pay for this? It should save that much multiple times over on the first project. Personally, I believe most purchased objects pay for themselves on the first project they are used on.
To answer your question, I believe it is a good idea to buy custom objects instead of making them yourself, unless you have a lot of free time or enough employees to see the payback. The hardest part there is determining whether the object you buy meets your needs, or if it will require modifcation after the purchase.
I also think it takes a solid knowledge of how to combine the tools that come with Archicad in order to be able to optimize your modeling practices.
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2005-11-07 08:17 PM
ArchiTAD wrote:Same here. Plotmaker's drafting tools are good for break lines and match lines, but that's about it!
Unfortunately, there have always been and always will be extra lines. My office is committed to modeling everything (residential projects) in 3D and reaping the benefits in our construction documents. My staff has become quite proficient using ArchiForma to quickly model elements that ArchiCAD's parametric objects cannot give us (window/door trims, window/door cutups, etc.). Our elevations and sections are always live. I've created a simple "Block-out Fill" favorite that is used to cover unwanted lines, everything is done in ArchiCAD with PlotMaker being used only to publish our documents. In fact, most of my staff doesn't know that PlotMaker has drafting capabilities! Blocking out is usually the last step in our construction documents process. This technique allows us to quickly view our model from any direction and include 3D views in our construction documents, with all building elements shown!
I stopped exploding my sections/elevations years ago and have focused on using the inherant 3D capabilities of ArchiCAD ... much more fun and efficient ... CD times have been cut way down ... changes are picked up throughout the plans with much less effort and errors!