1,448 questions
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13
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Civil3D Multiple profile generation datum - where does it come from?
Using Civil3D 2026, I’m generating plan over plot drawings along an alignment. My profiles all have an elevation range between 100-120m.
When the profiles are generated, the elevation range is set as ...
- 187
0
votes
0
answers
42
views
Avoiding ATTSYNC when inserting dynamic blocks with attribute fields (BlockPlaceholders)
I'm currently inserting dynamic blocks via an ASP.NET Core 8 Web API (AutoCAD 2026, .NET 8). These blocks include attributes whose default values contain field expressions, referencing dynamic ...
1
vote
2
answers
90
views
How to retrieve AutoCAD SymbolTable Entries By Name using C#
After years of using vb.net I am trying to learn C# by converting many of my old custom AutoCAD libraries from vb.net to C#. I am having a hard time referencing symbol table objects (dimstyles, ...
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0
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22
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Adding Circuit Data to Conduits (Lines/Polylines) for Electrical Project & BOM Export?
I'm working on an electrical project in AutoCAD where lines and polylines represent conduits or raceways for electrical circuits. I need to embed custom information into each of these line/polyline ...
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votes
2
answers
91
views
How can I create a temporary arc in the same place as a polylline arc segment in Bricscad?
I am getting confused with the values here in Bricscad:
I have a simple 2D polyline, which includes one arc segment. I am trying to temporarily re-create that arc segment as a normal arc, so that I ...
- 19.4k
1
vote
1
answer
38
views
Line weights and text styles not displaying correctly in 2D model view (APS Viewer)
When viewing a .dwg model in the Autodesk Platform Services (APS) Viewer, line weights and text styles do not display correctly — all lines appear with uniform, thin weights, regardless of their ...
- 11
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votes
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answers
25
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Is there a way to convert wireframe models to solid, watertight exports for FEA
I've been trying to convert this wireframe into a solid 3d model for finite element analysis and I'm just lost. Here's the code and an image of the wireframe and thank you for your help :) :
...
- 23
1
vote
1
answer
162
views
.NET 9 Compatibility with AutoCAD 2025 .NET API
I tried updating our AutoCAD plugin from .net 8 to .net 9 version and unable to load the application with AutoCAD 2025.
With .net 8 it works well.
After changing the target framework to .net 9 and ...
- 13
-1
votes
2
answers
112
views
AutocadLisp - let variable argument definition mistaken as e function
I've never used LISP before and I'm using AI to try to create simple automations for autocad so I can speedup the proccess. Everything works fine to the point where I have a let expression which takes ...
-1
votes
1
answer
90
views
AutoCad VBA and Lisp Get most recently created object
VBA does not seem to support getting the answer to "what is the handle of that object you just placed on the screen?" Rumor has it that AutoCad Lisp has an entget (entLast) that does indeed ...
- 1
0
votes
1
answer
109
views
APS Design Automation AutoCAD failedUpload with a 404
I am getting a 404 failedUpload error.
My activity and work item are all consistent with local names, and are created correctly and working.
My bucket exists and I can upload files to it and delete ...
- 13
2
votes
2
answers
86
views
AutoCAD win32com PDF Export - Custom Scale Issue
I'm trying to convert a DWG file to a PDF using win32com.client in Python, while applying a custom scale of 0.2 . However, the resulting PDF does not have the expected scale.
Here is the code I'm ...
- 37
0
votes
1
answer
200
views
AutoCAD LISP where I can select the Polyline which bounds the selected Text
I work with lots of rectangles(POLYLINE) with an ID name(TEXT) inside them.
I need to separate each Recatngles by Layer depending on their ID name.
So to make things a bit easier, I want to be able to ...
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votes
0
answers
23
views
Create and Edit the road typical section by Subassembly composser
Update the road assembly by sub assembly composser
Hello Everyone,
I need to create assembly of main road by sub-assembly composser, the road is two lane with median and jersey barries at the middle ...
-2
votes
1
answer
535
views
FATAL ERROR: Unhandled e06d7363h Exception when Importing Surfaces in Civil 3D Design Automation
I am encountering a critical issue while running a script on Civil 3D Design Automation. The error appears during the process of importing surfaces. Below is the detailed log output:
[01/06/2025 01:10:...
-1
votes
1
answer
66
views
How to overload constructor of Brep which takes a FullSubentityPath as argument?
I don't understand overloaded constructors to much can anyone explain this to me?
Because I try to overload a constructor and always fail.
When I run my code, I always ge this exception
Autodesk....
- 11
0
votes
1
answer
131
views
autoLISP routine to search through and find attributes in order to update them
I have a routine that where i get the block (statically named) and update some attributes. I would like to add the ability to check for the first empty attribute from a selection of (IS1,IS2,IS3,IS4,...
- 1
-1
votes
1
answer
94
views
How to search a short list a large number of times?
I have to search a small list (varies from 0 to 10 items) a large number of times and was wondering what the best way to do that would be using Python (specifically IronPython 2.7)
The number of ...
- 93
0
votes
0
answers
144
views
Msiexec.exe /norestart parameter not working
I have a problem starting a process to execute installation of specified installer in quiet mode with no restart.
This is my code:
public int InstallUpdate(string installerLocation)
{
Process p = ...
- 105
0
votes
1
answer
147
views
How do i create polylines in an Autocad 2007 DXF using C#?
How do I create some polylines with vertices in a custom AutoCAD 2007 DXF using C# code? I want to create a DXF for laser marker software to import.
- 31
0
votes
1
answer
41
views
Which particular characters will the Autocad MText editor accept as a valid bulleted character?
Can someone tell me which particular characters will the Autocad MText editor accept as a valid bulleted character?
I thought maybe Autocad was using the standard Unicode character ranges as the ...
- 93
0
votes
0
answers
64
views
Conflict When use Microsoft.Extensions.DependencyInjection vs Npgsql in Net 4.8
I'm developing an application that runs on AutoCAD using .NET Framework 4.8 and Npgsql, following the MVVM pattern. In my project, I use Dependency Injection (DI) to manage the lifecycle of objects ...
0
votes
2
answers
154
views
Is there a way to disassemble a polyline with curves so that I can check angles between each of the tangents?
I am new to AutoCAD plugin programming and C#. I'm trying to place points along a polyline in C# for a function I am writing, and I need to know when the point is being placed, is it on a curved ...
0
votes
1
answer
107
views
C# Get object member polyline from a dynamic block
I have a custom dynamic block. Using c# I am able to iterate all instances of the dynamic block, get property and attributes values, etc. As part of the dynamic block there are labels and line ...
- 119
0
votes
0
answers
161
views
CommandWillStart handler query in c# autocad api
After defining a user command, when entering a user command in autocad, if the user command entered using the CommandWillStart event handler is the same as the dictionary key value, the ...
- 11