I've come across this many times now. When in an assembly, I create a sketch. I then try to project geometry and I will sometimes get this error:
"Cannot constrain or dimension reference or fixed geometry."
why I can't project edges/faces/points of certain parts?
I am having trouble with Iparts getting a red cross due to dimensions and constraints to unresolved reference geometry. If, for example, I have Hole 2 dimensioned from Hole 1 in one member and in another member I suppress Hole 1 and Hole 2 I get an error stating (correctly) that the sketch for Hole 2 has a "Dimension to unresolved reference geometry". I understand why I should get this error if Hole 2 was unsuppressed and Hole 1 was suppressed but why do I get this error when they are both suppressed.
If I get this error on a member that has these two holes suppressed and I switch back to a member that has them both active the error dissapears. I guess in the end this is a question for Autodesk. Can you set up Iparts so that when a feature is suppressed Inventor completely ignores it instead of still trying to resolve it. This functionality is a major headache for us because we don't want to leave models with the Red Cross on but if we want to dimension our features appropriately (ie referencing other, related features) we have to leave a model with errors in it.
See attached part. If you switch within the first 2 members there are no errors, if you move into the last 2 members you will see the cross highlight.
I'm sure this has been asked many times but none of the queries I used brought up a similar question. My issue is that I recently spent a lot of time annotating a detail view with leaders attached to geometry, leaders not attached to geometry, and sketches constrained to geometry projected from the view.
I made some modifications to the model which didn't re-locate any of the components that I'd annotated, but somehow the detail view got shifted, and all of my leaders are pointing to the wrong place and the parts of my sketch that weren't constrained to geometry are in the wrong place as well. Some of the leaders seem to have held to their posts better than others, but for the most part my annotations are worthless and will need to be re-done.
We have some serious problems by creating assembly drawings with reference geometries in inventor 2010. Our target is, to create a drawing that look the way, the attachment shows (Picture-1) The sheet metal plates Pos 10-100 are an assembly. And the assembly in the back is the reference geometry. It’s a frame consists of steel sections. What we want: 1. The frame must be phantom lined in the idw. 2.
The Sheet Metal parts must be thick lined. 3. The Partslist of the Assembly should only contain the sheet metal parts and not the frame We have some ideas to solve this case, but each of them is nor perfect (please see the attachment Box.pdf) And there’s another problem (described in part 3 of attachment), we cannot position viewports or drawing elements to each other exactly. You have no possibility to give them dependencies. Also if you want to position symbols to each other. All of them are only near to be exact, but that’s a big problem. If you change contents of a viewport, another should be aligned to it, but that doesn’t work.
I have an iCopy solution that when resized smaller than the master some frame members no longer reference existing geometry (and aren't needed).
Is there a way to delete these with an iLogic rule? Curtis has a neat solution for sick constraints, I was hoping to use the same type of rule, but I'm at a loss as to how to reference the frame elements.
In an assembly document, if you want to project a sketch from one part into another, you go through these steps:
- select the part
- edit the part
- create a 2D sketch
- select the plane
- select project geometry
- select the sketch in the other part
- finish sketch
This creates a reference to the original sketch, so if I move the original sketch the new sketch will also move when I hit Assemble.
I am trying to do the same through the API, so I create a proxy for the original sketch and a proxy for the new sketch. I then use the AddByProjectingEntity method on the new sketch proxy passing the original sketch proxy.
This works for projecting the sketch, but it doesn't create the reference, so if I move the original sketch the new one doesn't move, even if I hit Assemble. How to create this link between the two sketches?
How can you force the geometry of reference parts to print behind to print behind your visible parts. I have my reference parts print out on a light gray layer to be shown indistinct on a drawings, but it prints over my object lines in effect hiding them. This is even true if a reference part is hidden. Then hidden line will print over the object lines as well.
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View 3 Replies View RelatedIn triangle ABC, AD is drawn as angle bisector and BE is drawn perpendicular to AD. I want to draw these two lines and triangle ABC by means of constrains, so that when I move point A (make it bigger or smaller), I can get those two lines move automatically. What kind of constrains should I use? For triangle itself, I use "coincident" constrain. I think this part is correct. Whenever I move a vertex after selecting a line and using red grips, it responds and triangle reshapes. Do we have angle bisector constrain? I draw angle dimension line for two equal angle and tried to impose equal constrain for these two angle but couldn't succeed.
View 6 Replies View RelatedI am currently endeavoring to translate some (very) old print drawings of standard geometry used by my company to electronic format with Inventor. Many of these standards include a matrix of certain dimensions (noted by a letter variable on the drawing, such as "A") and what their values should be, given the required size of the geometry's main feature, like the cross section of an o-ring that is supposed to go with it. Is it possible to build such variable/multiple value dimensions in Inventor and have a corresponding matrix printed on the drawing with it?
View 1 Replies View RelatedI'm trying to delete, programatically, a specific dimensions on a specific sheet of my drawing based on a model parameter. I imagine it would be pretty straightforward to refer to generaldimensions.item(?).delete but how do I know what the index number of the dimension I want is? The only samples I can find either generacially access item(1) or use a for each loop to get all dimensions.
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View 1 Replies View RelatedI cannot select origin to constrain sketch with dimension to origin?
I selected Sketch,
expanded origin,
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drew rectangle,
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right click for marking menu,
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Origin is yellow,
cannot select it and then edge of rect to set dim that will center sketch on origin? Just like the videos show, but cannot select origin>
Is there anyway to add a driven dimension or reference dimension as a column chooser? What I am really trying to accomplish is to show the metric and english dimension in my general table for my ipart. I model itself is dimensioned in metric. I now would like to add the english dimension next to the metric one.
View 6 Replies View RelatedI have a VB program that auto updates the size of a door and frame assembly, and in turn, updates the shop drawings to reflect this change. I have a view on my shop drawing that I have drawn a sketch in. I start the sketch, add my dimensions, and I use 'Project Geometry' to project the edges of the actual part around the sketch to constrain my sketch and keep it in place. The problem is, as the program runs, and the door/frame changes height, the sketch loses it's dimensional references to the projected geometry. When I go back and reopen the drawing after running the program, all the dimensions that went to the projected geometry are gone.
Is there another way to anchor a sketch to a drawing view part instead of dimensioning to projected geometries? This doesn't seem to be working, and I've tried it every which way I can think of. Oddly enough, I have another sketch in a different view that is set up the same way, and it never misses a beat.
Is it possible to constrain a dimension to an entity?
Outside the block editor you can display a constrained dimension with a dimension style but it doesn't appear as you can do the same inside blocks.
I want show the dimension of a line in a block that is constrained by a dimensional constraint but I can't figure out how to constrain the dimension extents to anything.
I could put in an attribute but it doesn't look like you can constrain attributes either. And then I would need to work out how to pass the value into it.
Flipping the direction of the constrain dimension,
I couldn’t figure out how to flip the direction of the constrain dimension (attached) while working in the block editor environment.
Software: AutoCAD 2014, AutoCAD C3D, AutoCAD M3D, Revit
Windows 7 (Ultimate 64 bits),
Firefox 20.0,
Kaspersky 2013.
I have one object and need to create a 10mm smaller copy of it and keep the propotions. Is there any way to do it or I need to draw smaller object manually?
Here is my example. Green object is original. Red one is manually re-drawed but thats not what I want.
After creating a parametricly dimensioned, fully constrained, 2D drawing I wanted to add a couple of annotative reference dimensions to two different curves. I first select the parametric radius dimension (default is annotative). Next I click on the curve, then click the desired location. The dimension shows up, highlighted for editing. I press enter. Now the over-constrained window pops up giving me two options: Create a Reference Dimension or Reselect the Object. I choose Reference Dimension. The dimension immediately disappears. No error shows in the command bar. Attached is the file. It is the two large radii along the bottom (or top, its symmetric) that I am trying to give reference dimensions.
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Is it possible to create a Texture Reference Object from keyframe 179 so this texture will stick to the geometry throughout the sequence?
For some strange reason I can not print and dimension lines with an angle reference. I get the error "Cannot find or create the font AerialMT".
However, I have this font on my machine. Triple checked and installed it again.
When I add a wall or door the reference dimensions default to the center of the wall or door, etc. Is there any way to have these reference dimensions default to the structural face of a wall instead of continually dragging with everything I draw?
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I created a sketch on a 'fixed workplane' and extruded it. I would like to know if it is possible to move the workplane? I understand I can change the workplane if it is a 'plane by offset from plane'.
If moving a fixed workplane is possible, does the extruded features move along together?
How does Inventor "Remove fix constraints" so quickly? Can this be replicated in iLogic?
The way I've previously done this requires looping through the constraint collection and deleting one at a time which may take a few minutes on a complex sketch, but when Inventor deletes fixed constraints throught the menu option it does it in a few seconds on the same sketch so Inventor must be able to select them all at once and delete them all at once. Is there a way to do this through the API or iLogic?
I am creating an assembly where I need to add a light probe that is length X from a sensor to an LED. I would like to create a cable modeling this transition to make sure it can be routed around other components. I can't seem to find how to lock the length for the cable from point A to point B, it only changes based on what points I add on its path.
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