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But one thing i can't seem to figure out is how to rotate an object with a reference. In case of autoCAD, I can simply enter the rotate command, then enter 'r' to begin rotation by setting up a base reference point (click), then another click at the point where you want the rotation to occur. It's called MODIFYRotateCopyReference.dwg and, as usual, my tip and trick drawing titles tend to give away what we're going to do which is we're going to look at the Modify panel in AutoCAD in the Home tab on the ribbon. We're going to look at the rotate command and the copy and reference sub-commands in that rotate command.
If you’d like to experiment with the Rotate Reference option, we’ve provided a sample file that you can use called rotatereference.dwg. Publisher Information. This is a short excerpt from the Mastering AutoCAD 2018 and AutoCAD LT 2018 student guide from WILEY, an Autodesk Authorized. Select the viewport that you want to rotate. In the drawing area, right-click and choose Rotate. At the Specify base point: prompt, specify the base point in which to rotate the viewport around. At the Specify rotation angle or Copy/Reference: prompt, enter a rotation value or specify a second point to determine the angle of rotation.
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Course Info
- Duration: 14h 39m 56s
- Skill Level:Intermediate
- Released:October 5, 2016
- Viewers:87,880
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Take your CAD skills up a notch. Work smarter, not harder, with AutoCAD. AutoCAD Tips & Tricks provides weekly tips, techniques, and workarounds to make designers like you more effective and more productive. Learn how to use AutoCAD features in exciting new ways, customize the workspace and shortcuts to save time, create more accurate drawings with the measurement and organization tools, and more. Shaun Bryant's insights give you that competitive edge you can't get from a regular training manual. Tune in every Wednesday for a new tip!
Note: Because this is an ongoing series, viewers will not receive a certificate of completion.Skills covered in this course
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- [Instructor] Welcome again to AutoCAD and another tip and trick that will make you that little bit more productive, that little bit more effective, in your AutoCAD working environment. So, we've got a nice new drawing to look at. It's called MODIFY_RotateCopyReference.dwg and, as usual, my tip and trick drawing titles tend to give away what we're going to do which is we're going to look at the Modify panel in AutoCAD in the Home tab on the ribbon. We're going to look at the rotate command and the copy and reference sub-commands in that rotate command. So, you'll notice in the drawing we have a few little additions to the drawing by way of furniture. So, you'll notice over here we have a circular table and a chair and we have a sofa with a very weird angled line going through it which looks a bit strange but we'll figure that one out in a moment. Now, I'm going to zoom in on the table and the chair first over here in what looks like sort of a refectory kind of area. So, I'm just going to pan. Get that nice and central on the screen. Now, what we're going to do, is we're going to rotate the chair around this circular table using the copy part of the rotate command. So, I'm going to select the chair like so and I can go up to rotate here in the Modify panel and click and then it prompts me for a base point. Make sure that your object snaps are on and use the center snap of the table like so as the base point and then you'll see obviously that our chair is going round and round the table. Then, I right-click and use the copy sub-command there on the menu and you'll see now that I've got a copy of that chair rotating and the original stays where it is. The rotation angle is going to be 180. Press Enter and you've rotated that chair around the table creating a copy leaving the original behind. Now, that's great and, if I want four chairs, it's even slicker. It's really cool. So, let's click on the two chairs this time. This time I'll right-click on the mouse and go to rotate on the shortcut menu. Same base point. Center snap of the circular table and, as I move now, can you see that I've got two chairs moving because I selected both. Right-click again. Copy on the shortcut menu. Rotation angle of 90 this time and I've now got four chairs equally spaced, 90 degree increments, around my 360 circular table. How cool is that? Really quick and easy. Let's just pan across now to that weird sofa thing with the line going through it. Let's have a look now at the rotate reference option as well. I want this sofa to be at the angle of that line in the halfway area of the building. So, what I do is I select the sofa and I'm going to cheat again. I'm going to right-click and use rotate here on the shortcut menu. The base point is going to be there. That endpoint of the sofa where it intersects with the line. I then come away from the sofa, right-click and select reference and now here's where it gets really clever. I pick on this point here like so. Second point here and then, as I come down to the endpoint of the line, it all lines in with the line. Make sure you get the endpoint, snap and click. Our sofa is neatly aligned. I delete the angled line. I don't need it anymore and my sofa sits nicely at that angle in the halfway area of the building. So, as you can see, we've updated our furniture using the rotate copy and reference tools in that Modify panel on the Home tab, on the ribbon.Practice while you learn with exercise files
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Active2 years, 8 months ago
I want to create a simple 'rotate' command with AutoLisp, so this is the code I wrote:
I insert two points, p1 and p2 and create a line which connects them. Microsoft home use program government. After that I create the ss1 object which is the line p1-p2. Finally I attempt to rotate the line from base point p2 for 90 degrees.
I insert the code in AutoCad, but instead of creating the rotated line, it asks to insert manually the base point as well as the angle, so I guess that there is a problem with the
command 'rotate' ..
line. Any suggestions would be appreciated.
user3060854user306085435911 gold badge77 silver badges1818 bronze badges
2 Answers
From what I've seen online, you have two problems.
ROTATE
does not take a selection set but an entity nameMissing an extra
'
before the rotation point. Reference: AutoLISP: Rotate Multiple Objects Around Their Base Point
As a side note, it usually helps me to try the command manually to make sure you are responding to all the correct prompts with the correct data/values.
Autocad Rotate Reference Angle
crashmstrcrashmstr24.7k77 gold badges5454 silver badges7575 bronze badges
I would suggest the following simplified code:
This accounts for null user input at the prompts, uses a rubber-band for the second point prompt, allows for active Object Snap modes when supplying the point arguments to the commands (through the use of '_non'), and also allows for non-English versions of AutoCAD (through the use of an underscore), and potentially redefined commands (through the use of the '.' command prefix).
Rotate Object Autocad
This could be further improved by temporarily setting the CMDECHO system variable to 0 to suppress command-line echoing.
Lee MacLee Mac10.1k66 gold badges1717 silver badges5656 bronze badges