AutoCAD Dynamic Blocks :: Control Size Of Object Through Parametric Dimensions
Jun 28, 2012
How to set up a dynamic block so I can control the size of an object through parametric dimensions that are linked (somehow) to a lookup table, spreadsheet, list, etc.?
What I'm trying to do (simplified) is place a block of a rectangle, select a size from a dropdown list, and have the block change to be that size - but I don't want to do this through visibility states as there are hundreds of sizes. The whole point is to be able to construct a list, lookup table, excel sheet, etc and link it to parametric dimensions in the block, or at least be able to link a stretch action to parametric dimensions. But the block editor will not allow me to associate a stretch action with a parametric dimension (at least I haven't figured out how to do this.)
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Jan 28, 2013
I am currently working on a parametric assembly using i Logic to control the size of the components as well as patterns. However, I have hit a road block in trying to figure out how to write a rule for resizing the last roof sheet in this assembly pictured below to be even with the frame. The rule below is what controls the roof sheet pattern based on the frame length. The problem I am continually running into is how do you modify a part which is in an element within the pattern without having it affect the rest of the parts in the pattern since they all refer to part. I can get since it is hard to find information on i Logic.
Roof_Pattern_Spacing = Roof_Sheet_Width
Roof_Pattern_Count=Ceil(Parameter("Length")/Parameter("Sheet Metal Roof Section:1", "Roof_Sheet_Width"))
(Note: The red line symbolizes where I would like to have the roof sheet end.)
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Oct 11, 2012
What is the variable to change the dynamic grip parameter size and color.
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Dec 13, 2013
I'm working on a dynamic door, that has specific parameters to change its size and orientation. Everything works pretty good, only the arc for the door won't react the way I want it.
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May 29, 2013
I am creating a dynamic block of a conveyor belt it has a set number of widths and needs to be stretchable in length, which I have managed to do. The motor is placed half way down the length of the conveyor and needs to stay centered
I know I need to use the move command and put in a factor of 0.5 somewhere, but I can't remember how to do it.
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Oct 4, 2011
Using AutoCAD LT 2012, so Lisp is out.
I have a basic drawing with dimensions A, B, C, D, E & F. Can these dimensions be tabulated in such a way that they can be altered within the table so that the drawing redefines itself in line with the new dimensions?
Sample attached - dimensions could be anything, to 2 dec places!
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Jun 27, 2013
I produce windows and doors. and I reproduce the same drawing in the attachment a lot.
Is there a way to make it a dynamic block where I change the three dimensions in the drawing and the whole thing grows or shrinks symmetrically and proportionally?
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Jan 4, 2014
I created Dynamic Block visible with blocks. But I don't know how dimension with Dynamic Block first rowahead (Dimension style). I very try but don't success. create dimension with Dynamic block visible. Purpose, I drawing as I sent to you. I can select from list Dynamic block visible instead go to change dimension style on the Styles bar (Dim style control).
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Nov 10, 2012
Is it possible to contol the visibility state of an external referenced drawing? I have an architectural plan drawing that uses a titlesheet drawing as an external reference. In my civil plan i want to use a different title sheet. Instead of having a different titlesheet drawing for the civil drawing i was wondering if i could turn my titlesheet drawing into a dynamic block. In my architectural drawing i would see visibility state #1 & in my civil drawing i would see visibility state #2.
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Sep 19, 2013
AutoCad 2012LT was working just fine. But all of a sudden the dynamic blocks will not resize as they once did. For example, on a block that I had a stretch action I could click on the arrow and it would show the current value. I could then enter a new vlalue and it would resize. It will no longer do this but it will let me stretch it by dragging the mouse. I have also noted that if I click on a line and the hoover over the grip it no longer shows the length! Can this be related to a bad (or going bad) graphics card?
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Aug 1, 2013
I'm trying to loop through blocks in paperspace for a specific name and then edit it's attributes. The code works fine if the block is a standard block, but does not see dynamic blocks.
I have looked through other posts and can see how there is a is dynamic property, but just don't know how to apply it here. The function i have to update the attributes expects the object id of the block. Just don't know how to get that if the block is dynamic.
Dim TbloOjbectID As ObjectIdDim mydb As New Database(False, True)mydb.ReadDwgFile(Newfname, FileOpenMode.OpenForReadAndWriteNoShare, True, "")Using Trans As Transaction = mydb.TransactionManager.StartTransaction() Dim myblocktable As BlockTable = mydb.BlockTableId.GetObject(OpenMode.ForRead) Dim mypaperspace As BlockTableRecord = myblocktable(BlockTableRecord.PaperSpace).GetObject(OpenMode.ForRead) For Each myBTR As ObjectId In mypaperspace If myBTR.ObjectClass.DxfName = "INSERT" Then Dim myBref As BlockReference = myBTR.GetObject(OpenMode.ForRead) If UCase(Left(myBref.Name, 4)) = "TBLO" Then TbloOjbectID = myBref.ObjectId If DwgTitle.Length > 0 Then SetAttribute(TbloOjbectID, "PROJECT/CONTRACT_NAME", DwgTitle) End If End If End If Next Trans.Commit() End Using
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Jan 29, 2012
I am in Customization of AutoCAD and the problem am facing is with dimensions.
Am able to get normal dimensions but problem lies in Parametric Dimensions. How to perform this Linear Constraint Dimension?
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Apr 18, 2012
I received some outsourcing drawings which include this block. All time if I try do some edits in block editor size of this block changed. Also if you reset this block, size changed. What is wrong with this block?
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May 12, 2013
Is it posiible to give the constrain for wipeout object in Dynamic Block.
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May 9, 2013
I would like to stretch my extruded shelf using a list of value settings.
I completed the steps in block edit but it will only allow my object to move to my value sets.
In 2D I have no issue.
What am I missing when modifying 3D objects.
See attached blocks.
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May 23, 2007
I have an arrow in my Dynamic Block which I can rotate to the north. But is there a commando that the arrow will rotate itself to the UCS? See drawing file.
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Sep 30, 2013
Change the 24 x 24 x 12 MLeader in this Block to Fields that read the length of the Lines that the Distance1 and Distance2 Parameters are attached to and tell me if it crashes? And if it does not crash, post a working DynBlk.
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Dec 23, 2013
I have a problem. When I use parametric dimensions in my existing drawing the dimension lines and arrows are there but the numbers are invisible. I can't see them. I have searched over much of the dimension style manager dialogue box and I can't find a setting that would change this (but I could have missed something). When I open a new drawing and draw a rectangle and add parametric dimensions they are visible and there doesn't seem to be a problem. What the hell is going on? (I have not used paramentric dimensions until just recently.) I am first going to the top view, with the z axis perpendicular to the page, before adding the parametric dimensions (in case that makes a difference).
I previously had a problem wherein an entire drawing I had drawn suddenly became invisible, except when the pointer was in certain places and then it was temporarily visible. But that problem was solved when I just shut down the program and computer and then restarted it all.
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Aug 4, 2009
I made what seems to be a very simple dynamic block with text attributes and a few grips attached to stretch and polar stretch actions, but the file size is about 2mb! This is huge... roughly the size of one of our firm's full floor plans. There seems to be nothing purgeable in the file, so I am wondering if this is just the size necessary for the functionality or if I am bloating this somehow.
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Jan 10, 2014
I created a dynamic block with text field that show the lenght of a line, but this line can be 0 and in that case I want that the text field will show nothing instead of "0".
I try to write it in diesel expression with if command but i don't know how to bring the object lenght into the diesel expression code.
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Jan 11, 2014
We have a vba program running in excel which calculates the dimensions of various 2d generic drawings then updates the attributes in the drawings then save them under another name in a job file. These drawings are not re-drawn to scale so we redraw them in our cnc package (Radan).We are just starting to update from autocad 2009 to 2014.
Not having worked with parametrics is it possible to use these values to update parametric drawings which we could save as DXF files and import into Radan.
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Aug 2, 2012
I consider following problem: is it possible to create dynamic block with strech action include wipeout object (frames are turned off).
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May 5, 2010
I've made annotative blocks and I've made dynamic blocks... My intent is to integrate both but I can't find a way to move dynamic block parameters separately at different annotative scales.
In other words, if I insert an annotative dimension and add multiple scales I can move the dimension grips independently at each scale. If I insert a dynamic block I want to be able to use the dynamic block's action "grips" to do the same. However, with a dynamic block, if I move a stretch action at one annotation scale it moves the action at all annotation scales.
The attached file shows a simple example.
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Dec 19, 2012
We currently have a bunch of Lisp programs to create drawings but I am interested in exploring how I can maybe use Lisp with either dynamic blocks or parametric drawings. I just don't know which would make more sense. Currently we have programs where we enter things like width, height, leg or radius, bars wide and high etc and it creates a drawing like the one I've attached. I know that if I can create this drawing as a dynamic block or a parametric drawing, then when there are revisions, I don't need to create the drawing again. I can just adjust the parameter or the dynamic block. What makes the most sense, a dynamic block or a parametric drawing? I should note that I'd still like to use autolisp to create the initial drawing (or insert the block) since that's what the users are used to.
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Sep 27, 2013
Any way to get a scale bar/title block text to reflect plotting at half size?
We use the common (24x36) sheet size for all projects, but when plotting we send out half size (12x18) as well. This means the scale bar reading 1"=40' is no longer correct. It should read 1"=20'. I would like to automate this.
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Mar 15, 2012
I have created a dynamic block with several visiblility states. The block works great for what I need it for. however, I am trying to add one more action to the block but am having issues.
This block is essentially a 24" retail cabinet with the visibility states showing the different drawer and shelf configurations. I want to be able to lengthen the cabinet in 24" increments and have the visibility show for each 24" section.....e.g. I want a 10' cabinet so I bring in the 24" starter block. Then stretch the cabinet to the 10' mark, then I can chose any drawer/shelve config for each 24" section (they are all different).
I can get the block to stretch in 24" sections....no problem.....i just want the visibility state to be duplicated as well for each section. Now as it stretches, there is only one Vis state and it only populates the first cabinet.
I could do this by copying the block over and over 5 times.....but I am hoping there is a way to make this dynamic.
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Apr 23, 2013
I have a block I am making into a Dynamic Block. I will be adding in different visibility states. Depending on the visibility state the block would need to be inserted from a different point.
My question is, is it possible to add multiple insertion points to a dynamic block so depending on the visibility state it defaults to the correct insertion point?
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Aug 29, 2011
I know this is located in other locations but I can't seem to make it work with my block.
I would like the cross and the text N to rotate independantly of the arrow while the N stays with the thick line. That's the easy part. How can I make the N move along the rotation path and keep the text aligned horizontally? I read something about linked action and move, but I can't make it work.
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Sep 7, 2012
is there a way to make dynamic blocks stretchable similar to a mleader,
the blocks i create are only stretchable by grips, and not by crossing
(i am using linear or point parameter stretches)
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Jun 1, 2006
Is there anyway to link standard AutoCAD Grips and there commands to Dynamic Block Actions? I want to stretch an arc by its midpoint grip. This accomplishes something that no other commands do.
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Mar 22, 2013
So I've done a reasonable amount of work with dynamic blocks. I have a block with a rotation action and grip to arbitrarily align it. However I realized when trying to combine it with an alignment grip (which actions on the basic or fundamental block rotation angle) that there didn't seem to be a way to some how link a dynamic block rotation action or one of the custom angle properties to a the fundamental block rotation angle. Thus there are two additive rotations at work; the dynamic block one with its grip and the fundamental rotation property.
This can cause some confusion when one person aligns with the grip and another via rotating the block's fundamental property and would also be problematic in the generalized sense if one was trying to select or programmatically read back the net angle alignment.
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