HELLO EVERYONE :slight_smile: this is my 2nd post :wink: i m very exited to learn dynamo. I M TRYING TO RENAME ELEMENTS LIKE BEAM,COLUMN etc… as you can see in this script, it can convert element id to Mark value. so if i place first beam it will convert beam Mark value B1, 2ND BEAM name B2.etc… [image] but if i want to rename Mark value for horizontal beam x direction top to bottom and then vertical beam y direction bottom to top. see image below. [image] (sorry for my bad english, hope you understand) have a great day :slight_smile:

So you want to renumber the beams per level based on the sequence, running the script once per level? Try inserting these into your graph immediately after the “All Elements of Category” node. [image]

Hello, these threads could maybe help: [image] Spline Intersect family node? Revit Hi there, I’m looking for a routine/node that’s able list objects that a spline passes through from start to finish. I’ve seen some methods on here where the use of bounding boxes of families are list mapped against points along a spline, but if you large number of families you need a lot of points (20,000 odd) and currently this is causing Dynamo to crash. I’ve tried the following as work around but geometry intersect doesn’t like what I’m trying to do. [image] Any suggestions will be appr… http://dynamobim.org/forums/topic/renumbering-with-filters/

Looks like i and @Yna_Db reply at the same time :smile:

True, and your answer is excellent, as always. But different approaches could be useful anyway. I just wonder something here: waiting for an explanation over what has been done before on the topic and why it is not working in the issue that is submitted could possibly be interesting in such a forum, but it’s just an idea, maybe not very functional in fact… :relaxed:

Both selecting by model line and grouping/sorting by location work for this. The “best” approach likely depends on the type of work you are doing and on the user base your script will be run by. The advantage of the select by line method are that you can quickly adjust the manor in which the selected items work. It also means that a non-rectilinear building is able to be automated to some extent. The draw back is that the workflow requires a user draw the line first, and that user has to have an understanding of not only the what the intended goal but also how the script works. The advantage of the group and sort method is that the results will always be consistent based on the design - that is the order is only controlled by the geometric layout and it doesn’t allow for any user overrides. This might lead to odd results when buildings have off beams on 45 degree angles, or beams which span multiple bays so they show up in the opposite order you wanted. If you specialize in suburban retail box stores then that’s likely not a problem. But if you’re doing urban infill on sites that are non- rectilinear your results could be undesirable.

Therefore, I deduce from this that some explanations on the context in which the issue arises could, generally speaking, lead to shorter and more accurate answers …

THANK YOU ALL OF YOU FOR QUICK REPLY.:slight_smile: @Kulkul I have different sizes of beam in drawing. so i cant use “family type”. so i need to use “categories” and “all element of category”. and i think its beam so i cant get “point.x or point.y” value. see below image [image] so i cant go ahead. @jacob.small thank for ur reply. most of time i have only horizontal and vertical beams so renaming by direction is importent. if i face inclined beam then we can use spline option. see below sample files. beams.rvt (1.4 MB) renumber_framing.dyn (9.6 KB) waiting for your answer :slight_smile:

[image] imran_raj1985: i think its beam so i cant get “point.x or point.y” value @imran_raj1985 One of the possible way to extract beam curves is to use OOTB “Element.GetLocation” node. You can use Curve.Endpoint or Curve.Startpoint. [image]

Imran, The FamilyInstance.Location says that it’s producing a point, but if you watch the result you will see it is producing a line. This makes sense as beams in revit are line based not point based. As a result you are feeding a line into a node that is asking for a point. Try pulling the results of the FamilyInstance.Location node into a Curve.Startpoint and Curve.Endpoint nodes. Then feed those into your Point.X node. These types of issues are rather common. It helps to watch your graph (either via watch nodes or by pulling down the results) as you go along to help you find these types of errors. Good luck.

again thanks for your response.:slight_smile: i am a learner in dynamo so its take time to understand. how to work with dynamo nodes. @jacob.small can u tell me steps to achieve this goal. like u said. [image] jacob.small: Try pulling the results of the FamilyInstance.Location node into a Curve.Startpoint and Curve.Endpoint nodes. Then feed those into your Point.X node. [image] i don’t want full script for “RENAME BEAMS BY DIRECTION” i need some guidance to learn DYNAMO. :slight_smile: thanks all of you for help :slight_smile:

Rename elements (beams,columns etc.) by X and Y direction

Revit

Kulkul January 27, 2017, 12:33pm 3

Hi @imran_raj1985

You need to first sort your elements by X and Y and then rename them. Below is an example.

Sorting columns based on x and y points seem to end up in random order

Sort point with Y and Z coordinates

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Rename elements (beams,columns etc.) by X and Y direction

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