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JRob 
Groupie
Joined: 09.Jan.2011
Location: United States
Using: Acad2000
Status: Offline
Points: 20
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 Topic: Veiw Ports
Posted: 03.Aug.2011 at 02:07 |
I'm using AutoCad 2000 and learning how to work in 3D. With four equal viewports and using constuction lines, I have a problem with the X or Y constuction line not working. Probably my ignorance. But when I move from one view (front view) to another view (side view) construction lines don't work. I've worked around this by using "new veiwports" "four equal" and sometime that works. Or, by turining a layer on and off, consruction lines work again. I'm sure it is something in my understanding or lack of understanding about viewports. Thank you in advance for your response.
JRob
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 03.Aug.2011 at 11:42 |
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What do you mean the construction line doesn't work? You can't select it?
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance." <<AutoCAD 2015>>
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JRob
Groupie
Joined: 09.Jan.2011
Location: United States
Using: Acad2000
Status: Offline
Points: 20
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Posted: 08.Aug.2011 at 01:22 |
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Thanks for responding, I thought I'd replied, but I don't see my replay. I'm new to the forum and must have made some type of error. Let me try to give a example. I have selected "New Viewports and 4 equal, 3D". With the "top view" activated, I can select the "end point" of a object and draw construction lines in the X-direction and y-direction. If I now activate another viewport "front veiw" and try to draw contruction lines, I find that I can draw a line in the x-direction, but not in the y-direction or visa versa. Turning on and off a layer not in use, seems to correct the problem. Aticapating your response, JRob
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 08.Aug.2011 at 11:45 |
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It sounds as though you have neglected to reposition your UCS.
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance." <<AutoCAD 2015>>
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 08.Aug.2011 at 12:29 |
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Do you have the UCSicon enabled? If not type UCSICON at the command line and choose the option "On".
A new UCS can be defined in the following ways.
-Preset UCS by AutoCAD
-Rotate current UCS about its axes
-Align the UCS with the face of a solid object
-Align the UCS with the current viewing direction
-Align the UCS with an existing object
-Specify a new origin, X/Y plane or Z axis
These options are available via the UCS command.
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance." <<AutoCAD 2015>>
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JRob
Groupie
Joined: 09.Jan.2011
Location: United States
Using: Acad2000
Status: Offline
Points: 20
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Posted: 08.Aug.2011 at 17:39 |
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Thanks for your response. I sometimes turn off the UCS. The icon gets in the way of were I'm working. Obviously, I not an AutoCAD expert, just a self trained user. Maybe this is wants causing the problem. I'll try reading the section about the UCS again. Would you take a moment to answer a couple of stupid questions. When setting "Newview Ports, Four Equal, 3D" does AutoCad automaticly set the UCS in the proper direction for the view, i.e. X-direction and Y-direction? While working in Four Equal views is the anything that I'm doing inavertenly that would change the setting?
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 08.Aug.2011 at 17:51 |
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The default setting for four equal 3D viewports is Top, Front, SE isometric and Right. The UCS is correctly set for the viewport you are working in.
Could the UCS be inadvertently changed? I suppose it could if you were using a version of AutoCAD that had the Dynamic UCS feature enabled. But you are using AutoCAD 2000 so I'd say the likelihood of the UCS being changed on you without being noticed would be slim.
Are you using any custom lisp routines while working in 3D?
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance." <<AutoCAD 2015>>
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JRob
Groupie
Joined: 09.Jan.2011
Location: United States
Using: Acad2000
Status: Offline
Points: 20
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Posted: 08.Aug.2011 at 22:02 |
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Again, thanks for responding. To the best of my knowledge I'm not using a lisp program. If the default UCS is set, how come I have the problem I discribed. I cannot draw in one direction, construction lines. lines, retangles, nothing works. Agian doing sometime totally unrelated, turning a layer on and off, corrects the problem.
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John Connor
Senior Member
Joined: 01.Feb.2011
Location: United States
Using: AutoCAD 2018
Status: Offline
Points: 7175
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Posted: 08.Aug.2011 at 23:56 |
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I do not know the cause of the problem.
Is the problem confined to just this one drawing?
Post the drawing so someone here can take a look at it. Maybe the problem can be diagnosed.
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance." <<AutoCAD 2015>>
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JRob
Groupie
Joined: 09.Jan.2011
Location: United States
Using: Acad2000
Status: Offline
Points: 20
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Posted: 09.Aug.2011 at 00:25 |
Thanks again.
The problem is not confined to one drawing. Any new drawing will eventuallly develope this quirk.
Activate any view, Top, Front, or Side and one direction will be blocked.
What do you think about turning on and off a layer to correct to problem?
JRob
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