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kairos
Joined: 26 Nov 2006
Posts: 2
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 Posted:
Sun Nov 26, 2006 10:08 pm Post subject:
Help I am new to CAD |
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Hi,
Although being an engineer I managed to get away without learning CAD.
Now I am retired I find I nead cad for various projects. My CAD package is Total Cad. OK may be I am in the wrong forum but my question is so basic I am sure you can answer my question.
With a drawing board you would put your rule at the datum and measure along to where you want the drawn line to begin,then start your line.
I can't find with my cad package how to measure from the datum without the line being drawn in! I.e from the datum the measuring process begins
but the line must only start say three inches from the datum.
many thanks ,
Richard.
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Adesu
Joined: 20 Jul 2005
Posts: 31
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Mon Nov 27, 2006 12:26 am Post subject:
Re: Help I am new to CAD |
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Hi kairos,
I'm not understand what are doing with your cad,or are sure you very begginer in cad,if yes here very simple to create a line
| Code: |
Command: _line Specify first point: 0,0 (you should type 0,0)
Specify next point or [Undo]: 10,10 (then type again 10,10)
Specify next point or [Undo]: (you only hit ente key to end the cad)
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or you open help file in your cad
Click help > help > index > type "line" > hit enter > select "Line command" > hit enter > click procedure.
| kairos wrote: | Hi,
Although being an engineer I managed to get away without learning CAD.
Now I am retired I find I nead cad for various projects. My CAD package is Total Cad. OK may be I am in the wrong forum but my question is so basic I am sure you can answer my question.
With a drawing board you would put your rule at the datum and measure along to where you want the drawn line to begin,then start your line.
I can't find with my cad package how to measure from the datum without the line being drawn in! I.e from the datum the measuring process begins
but the line must only start say three inches from the datum.
many thanks ,
Richard. |
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kairos
Joined: 26 Nov 2006
Posts: 2
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Tue Nov 28, 2006 5:58 pm Post subject:
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Hi Adesu,
Thank you for coming back to my question.
If you were drawing on a drawing board it is possible to measure any two points by simply laying your rule between the points. (no line is drawn).
I.e from your datum (which could be anywhere) you want a space before your line begins . How do you measure a space?
The rule x,y axis is from the border and not a true datum.
I am sure it is a simple CAD concept that I just haven't grasped!
Regards
Richard.
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CarlB
Joined: 27 Sep 2005
Posts: 52
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Tue Nov 28, 2006 10:07 pm Post subject:
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Well you could draw a line the amount of the "space", continue drawing line(s), later erase the initial line you dont want.
So to draw a line that begins at a relative "2,3" (x,y) from datum point, begin drawing line at datum, then "2@,3" for next point, then continue. |
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