AutoCAD Inventor :: Parameter Path Cannot Be Null
Nov 18, 2013
I have a iLogic rule for saving drawings (dwg) to a pdf file in a designated folder. Everything worked well until this Monday morning. Now I get the message: Error in rule: Save2PDF, in document: 13006-027 propflens-1.dwg Value cannot be null. Parameter name: path What can I do to make it work again? This weekend a windows7 update has occurred. This is the iLogic
'------start of temp i Logic------- First update settings Dim oControlDef as ControlDefinition = ThisApplication.CommandManager.ControlDefinitions.Item("UpdateCopiedModeliPropertiesCmd") oControlDef.Execute2(True) '------end of temp i Logic------- '------start of iLogic------- oPath = ThisDoc.Path oFileName = ThisDoc.FileName(False) 'without extension oRevNum = iProperties.Value("Project", "Revision Number")
[code]....
Inventor 2014 sp1 | Vault basic 2014 | HP Elitebook 8670W | win7 64b | 8Gb | GMT +1
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Dec 23, 2011
I have user parameters that are no longer needed and are not being used anywhere. They each takes 4-5 seconds to delete, prior to 2012 this would happen instantly.
IV2014 SP1 64bit
Dell Precision T7500, Geforce GTX 480, DirectX11 306.97
SpaceExplorer 4.04, 3DxWare 3.12.2
Twin Intel Xeon E5506 2.13GHz, 12GB RAM, Win7 Pro SP1 64bit
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May 26, 2012
Get this error?
the bitmap file: (null) cannot be found.
Why I get this error, not all the time, but just started getting it on one project. selectiing delete allows me to work.
IV 2013
Win7 64
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Oct 2, 2012
I need to convert a model parameter to a reference parameter thru the API.
I saw this item discussed in the group before, but I cant find the thread.
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Jun 3, 2013
Is using nullptr (instead of NULL) valid in an Inventor Addin?
(I'm trying to drag myself into the second decade of the 21st century)
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Mar 14, 2006
I am trying to make a break-out view in an idw. I get the message "Hint Ref is NULL" no matter what I try for section depth etc. Also, I noticed that the view I am trying to break-out is not listed in the browser! Also, one of the section views is not listed either. See attached screen shot.
why a view would not show in the browser and what can the error message "Hint Ref is NULL" mean?
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Dec 19, 2011
I got a deadline for my project, but I got a big problem:
"I cannot set the "parameter" for the End Value in Parameter Animate dialog"
For easy understand, let's see a example:
1. I got a part which has two parameters named: "A" and "MaxA"
2. I animate Favorited parameter A.
3. The End Value is MaxA_ (Everything is ok)
4. I finish Studio environment, then I change parameter MaxA_ from 200 mm to 400 mm
5. I turn back to Studio environment, the End Value now is "200 mm" (I want this will be MaxA_, so I can animate the flexible parameter).
show me how to keep the end value will be "MaxA_" after I change parameter?
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Jan 3, 2013
I am trying to publish to the CC a guide rail. The vendor of the rail gives me the option of entering the desired length of the rail. After that he gives me the option to choose between the length that I entered and a shorter and longer standard length witch can be delivered faster.
I want to do the same thing with my published part, but I cannot make a key parameter to change depending on the entered custom parameter. I want the user to make the next steps when inserting from the CC: 1- select the size of the rail; 2-select the type of the rail; 3- enter the desired length of the rail; 4- choose between the desired length and the 2 recommended lengths (I need these 3 lengths to be shown)
Is this possible?
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Feb 9, 2012
Actually, I have more than 6 years experience on Catia V5 customization and vb and vb.net catia API's. What I am trying to do know is converting some applications or programs running on catia to the inventor.
The first program deal with the inventor API relating to the SweepFeatures class. So my first problem is about to find the right way to use the sketch3D for the creation of the path which is the input of the sweep method.
(oInvPartFeats.SweepFeatures.AddUsingPath(oInvProfile, oInvProfPath3D, kNewBodyOperation).
I know That is possible to create a path by using the CreatePath method when the input is SketchLines or any guide curve in the 2D Plan. Also, I tried to generate path by using the ProfilePath3D method of the sketch3D class but No way, the AddUsingPath method of the SweepFeatures Class doesn't accept it as path Input.
So I cannot imagine that is limitation of inventor because it was possible to do it by using the seep function of the model tab in the ipart document. How to create the path object as an input of the AddUsingPath method of the SweepFeatures class.
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Dec 1, 2013
I need to use the dimension created by an action-parameter as a variable in a user defined function but AutoCAD will not allow me (see attached).
How may I access the action-parameter's dimension ?
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Feb 7, 2012
it is possible to use a user defined parameter to drive a action parameter.
I have several polar and linear stretch actions i would like to drive from one parameter.
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Jun 25, 2013
I have set the migration defaults to my part list and the pipes come in as expected but all the structures come in as null? I even went as far as setting every option to my rect junction NF and they still come in as null?
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Apr 18, 2011
We use a lot of Null Structures but then give them different descriptions. More often than not when I give them a description and then get out of the drawing, the next time I get back in it says "Null Structure" again. How can I keep the description the way I want it?
I know that "the right way" would be to have specific structures made for each of these items, but that doesn't seem to be a priority at my company..
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Apr 12, 2012
A co-worker tells me when he opens a drawing then minimizes it and then opens a new drawing to fiddle around with, when he closes it and doesn't save and returns to the first drawing, when he runs commands he gets "No Null Object" errors. He can click OK or whatever on the error messages and continue, but they constantly fly in his face.
He's running AutoCAD 2011 Maps 3D x32 on Windows 7 x64.
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Aug 6, 2012
I would like to know how to initialize the AcadEntity type of array variable with an ACADEntity object
My code is as below,
AcadEntity[] SelEntList;
AcadEntity MyEnt;
SelEntList[0] = MyEnt;
I am getting an error as below
Use of unassigned local variable 'MyEnt'
In case of a string array, I would be doing MyStr[0] = "" and it works but how to do this w.r.t. AcadEntity array?
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May 27, 2012
in Inventor 2010 we can save and load iLogic Paremeter with *.xml and just in my opinion we can control parameter using *xml or html. It's right or false?
how to control Inventor parameter with *.xml?
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Oct 26, 2012
I need to extrude a simple shape between two planes and then get the length as a parameter. Is there anyway of generating this? All I can find is a parameter for the angle of the extrusion.
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Aug 24, 2013
I have generated frame that has 100 members in it. Is there a quicker way of changing G_L unit to a mm so that I don't have to go into all 100 parts to change the custom properties?
Also I do not need unit string to be appear in my BOM.
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Apr 14, 2009
I set a dimension to a 2dline. The dimension is automatically added to Model Parameters. How can I find , by code, the line which length is driven by the parameter ? Or, starting from the line find the parameter which indicate its length ?
::GetDependents(), nor ::GetDrivenBy(), nor ::GetParent() gives me the answer.
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Aug 6, 2012
I'm trying to get a parameter value from an Inventor .dwg file, but I keep getting an error saying the file is not found. I use this same code all over the place between different parts but its the first time I'm tried it using a dwg. Can you not access an Inventor .dwg parameters using iLogic .
MsgBox(Parameter(ThisDoc.Path & "MyDrawing.dwg", "Customer"))
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Jan 6, 2014
Sometimes I change the dimensions of a material I use but then I have to open Iproperties and change the description by hand. This can create problems as you can understand especially when I forget to update the Iproperties.
Then I had the thought to automate it. Lets take a steel bar as example. I have thickness and width as parameter, both are exported and available under IProperties/Custom. But they show as 200 mm and 10 mm. I would like to loose the units. I tried also UL but then it reads 200 ul and 10 ul.
What I like to get are just the numbers, no units. I like to use it to create this "steel bar 200x10" where the 200 and the 10 are linked to the Parameter and will change when I change the dimensions av the steel bar.
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Aug 8, 2012
I created a *.iam file. And from this asembly file, I need run some rules in *.ipt file.
I use
Parameter("PartA:1", "d12") = d12
to give d12 parameter in my assembly to d12 parameter in *.ipt. It works.
But I need get parameter in the *.ipt file after running the rules in *.ipt.
so, I put
d13 = Parameter("PartA:1", "d13")
following above line.
But everytime, I just be able to get the result before *.ipt run the rules, not after.
I noticed the rules in assembly were compeletely run, then run the rules in *.ipt. So, the result is not correct.
I am using Inventor 2009 with ilogic. XP OS.
Autodesk Inventor Professional 2013 (64 Bit) SP2
Windows 7 Professional Service Pack 1
Intel(R) Xeon(R) CPU E5645
12.0 GB Memory
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Jan 31, 2012
I would like to have the material, color etc. as parameter so i can change it with an ilogic form.
In this video you can see what i mean:
[URL]
When I make a ilogic form i can only select parameters and iproperties.
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Nov 8, 2006
Is there a way to use the filename to drive the parameters of the file?
Example: I have a cube that is called 4x4x4.ipt its dimensions d0,d1,d2 are 4,4,4 respectively. I want to rename it to 4x4x6.ipt and have the dimensions d0,d1,d2 resize to 4,4,6.
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Jun 25, 2013
I have set the migration defaults to my part list and the pipes come in as expected but all the structures come in as null? I even went as far as setting every option to my rect junction NF and they still come in as null? What did I miss?
Civil 3D 2012 & 2013
HP Z210 Workstation
Intel Xeon CPU E31240 @ 3.30 Hz
12 GB Ram
64 Bit Win7 OS
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Aug 31, 2009
In AutoCAD for Architecture 2010 I am having problems publishing to a DWF (DWF6 ePlot.pc3) as well as to a PDF (DWG To PDF.pc3). On one machine everything works fine. On another machine it has worked but doesn't now.
I have tried the following:
Repaired AutoCAD for Architecture
Reinstalled AutoCAD for Architecture
Recreated both .pc3 files
Numerous reboots and restarts
The only difference is that the machine it doesn't work on has AutoCAD for Architecture 2009 installed. Both machines are XP64 SP2 with identical hardware.
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Jan 31, 2013
I've got a custom VBA function that works perfectly when called from a parameter in my part.
However, when in the context of my assembly, there is no error, but the function no longer runs, and the parameter text is red.
Apparently, the function is no longer in context?
I've heard of external rules, but have never implemented one.
Is there a way to declare my function and keep it in context regardless?
Public Function BumpHeight(dblHeight As Double, dblMember As Double) As Double Dim X As Integer X = 2 If dblHeight > dblMember * 2 Then BumpHeight = dblHeight Else BumpHeight = dblMember * X End If BumpHeight = BumpHeight / 2.54 End Function
Here is the Parameter:
VBA:BumpHeight(ValanceBackBumpoutHeight;ValanceMemberSize) * 1 in
Update: (problem better defined)
What seems to be happening is that once I insert the part into an assembly, it creates a new blank copy of the parts' modules in VBA and the functions no longer work.
If I go to the VBA editor,
There are now two copies of my part listed in the browser tree, but the new one is blank.
If I paste in my function to the new one, it will work until I return to the parent assembly.
Next time I come back to the part, it will have a new blank set of modules.
This appears to continue indefinitely...
see the attached screenshot.
At this point there are only 2 copies of the DocumentProject. The original still contains my functions, but the new one is blank.
I need these functions to work in order to build my model.
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Sep 20, 2011
how to round a parameter using ilogic.
For example. I have Roperev=Roperev_1. Roperev_1 is determined by an excel equation. I need Roperev to produce a nominal number because this parameter dries a coil revolution and I need the revolution to be a whole number.
I can not just round the excel result because the excel result needs to be multiplied by 2.53 to get the resultant for Roperev_1
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Jan 7, 2014
Is there a way to identify what sketch or Solid a reference parameter (d0, d1, d2 etc) is in / on.
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Sep 5, 2013
In my head assembly I have a subassembly that has derived parts from my skeleton. My skeleton (part ending with skt in the picture) is in the subassembly.
In this subassembly I made a view representation: NoSKT..When this is activated the skeleton is hided (see picture).If I now make a pattern of this subassembly in my head assembly with for example a parameter from my embedded excel or a parameter in inventor "quantity = 2" inventor will add 1 element with the same view representation. Still no problem.
The problem is now when I change the parameter. If I change the quantity to for example 3, the view representation of the third element is gone and the skeleton will become visible.I have many parts like this in my head assembly and quite a lot of patterns. Which means a lot of skeletons become visible. Is there a way to stop this from happening?
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Sep 13, 2011
Does the IV2012 API allow the creation of a Yes/No parameter. I have created "Text" parameters but I am stumped on this one.
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