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isocircle option in ellipse command in isometric snap mode

Anonymous

isocircle option in ellipse command in isometric snap mode

Anonymous
No aplicable

It displays and works properly through keyboard's ELLIPSE command.

It can be selected through ribbon icons also, except with the "center" option which does display "isocircle" but automatically selects "center."

"Axis, End" and "Elliptical  Arc" icons have no issues. But, isocircles cannot be drawn with the "Center" icon.

Is it a limitation, or am I not doing it correctly?

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Kent1Cooper
Consultant
Consultant

@Anonymous wrote:

It displays and works properly through keyboard's ELLIPSE command.

It can be selected through ribbon icons also, except with the "center" option which does display "isocircle" but automatically selects "center."

"Axis, End" and "Elliptical  Arc" icons have no issues. But, isocircles cannot be drawn with the "Center" icon.

Is it a limitation, or am I not doing it correctly?


Drawing an isocircle involves the Isocircle option in the Ellipse command [available only when in Isometric Snap Style], rather than the Center option, and it automatically asks for the center without your specifying that as an option.  The Ellipse-by-Center icon calls for the Center option, which you can use when in Isometric Snap Style, but it's not what you want for an isocircle.

 

If you go to Customize the toolbar/ribbon/whatever that's in, look through the commands available -- my older version here [in the Draw Toolbar] doesn't offer an isocircle one already defined, as it does the others you indicate, but newer versions may.  If it's not a predefined one you can just drag into place, you can make a User-defined button and have it invoke Ellipse and the Isocircle option:

 

^C^C_ellipse _i

 

You might want to have it force you into Isometric Snap Style first, just in case, because if you're in Standard Snap Style, the Ellipse command won't like your calling for the Isocircle option:

 

^C^C_snap _s _i ;_ellipse _i

 

You may find it easier to forget about an icon, and when you want to do that, just type EL and then I.  Sometimes Command:-line usage is easier than menu items.

Kent Cooper, AIA
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Anonymous
No aplicable

I consider it a bug in the software.

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Kent1Cooper
Consultant
Consultant

@Anonymous wrote:

I consider it a bug in the software.


I don't.  One might sometimes have reason to want to draw an Ellipse that isn't an isocircle when in Isometric Snap.  The Center option is still available for that.  The icon that does Ellipse-by-Center is simply a command macro that calls for the Ellipse command and the Center option, just as it does when you're not in Isometric mode.  It is a legitimate possibility, however unlikely it may be that you or I would have much use for it.

 

But you can make that icon operate the way I imagine you want it to.  Get into Customizing the toolbar/ribbon/menu/whatever, and change the contents of the command macro stored in that icon to:

 

^C^C_.ellipse (if (= (getvar 'snapstyl) 0) "_c" "_i")

 

If you're in Standard Snap Style, it will call up Ellipse and the Center option.  If you're in Isometric Snap Style, it will call up Ellipse and the Isocircle option.  [At least it does for me here in my older version, in limited testing.]  But be aware that it will not work to draw a non-isocircle Ellipse with the Center option while in Isometric Snap Style, if you ever want to do that.  For that, you would need to type in the command and option, or define a different macro/icon.

Kent Cooper, AIA
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Anonymous
No aplicable

Even if we are in isometric mode, it is always possible to draw normal ellipses, for which we need to select "arc" or "center" option. Isocircles would be drawn only if we select "isocircle" option (which is available only in isometric mode). Therefore, if AutoCAD is not allowing to select "isocircle" option in "center" method of drawing ellipse, but does allow in the "axis, end" method, it can only be termed a bug in the software. 

Even the "elliptical arc" method allows selection of "isocircle" option. Thus, out of three available methods, two are allowing and one is not allowing (even though it does display this option). Moreover, an isocircle is drawn with reference to a specified center only. And, the center method does not work. If defies all logic. Let us accept that AutoCAD has missed or messed this point. This might have been corrected in recent versions which I am not aware of.

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Kent1Cooper
Consultant
Consultant

@Anonymous wrote:

.... if AutoCAD is not allowing to select "isocircle" option in "center" method of drawing ellipse, but does allow in the "axis, end" method, it can only be termed a bug in the software. 

.... an isocircle is drawn with reference to a specified center only. And, the center method does not work. ....


I still disagree.  The reason the "center method does not work" in an isocircle is precisely because it "is drawn with reference to a specified center only," which is why there's no point in having Center as an option within the Isocircle option, because the center basis is automatic.  And there's no point in having the Isocircle option within the Center option, because you get the Center option automatically from the Isocircle option.  Therefore the center method does work, being the only method for an isocircle -- it just doesn't work as an option within the Isocircle option, because there is no need for such a thing.  And if the Center option had within it an Isocircle option, someone else would probably be complaining that it's requiring an unnecessary extra step from them.

 

You seem to be expecting an icon containing a macro that is specifically built to start the Ellipse command and call for the Center option to work in the same way as one that merely starts the Ellipse command.  The one that calls itself "Ellipse Axis End" is really that -- it's just the plain Ellipse command, and doesn't call for any particular option, which is why you can do so yourself.  It's misleading to say that it 'does allow in the "axis, end" method,' because in fact that's not a "method," but just the basic command.  You could fault them, I suppose, for labeling it in a way that suggests it is a limited-possibilities method, but you can just change the label on it to say simply "Ellipse."  If you're looking for an icon you can pick on and then give it the Isocircle option, use that -- it will be exactly the same operationally as if the "Ellipse Center" icon left you in a place where you had an Isocircle option.

 

In any case, you can have one that works in whatever way you like -- that ready customizability is one of the great things about AutoCAD.  There's no way they could pre-define macros and icons incorporating every imaginable combination of commands and options, so they have made a few of the possibilities, and you can make your own that call up whatever combinations you would use often enough to want menu items for.  Have you tried any of my earlier suggestions yet?

Kent Cooper, AIA
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Anonymous
No aplicable

I also have the right to disagree!

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