Re: [PEDA] Removing virtual tracks

2002-02-11 Thread Harald . Bruenig

No I mean EDIT DELTE.
After that you get a other cursor, and you can click on different tracks 
or so to delete.









Mark E Witherite [EMAIL PROTECTED]
08.02.2002 15:13
Please respond to Protel EDA Forum

 
To: Protel EDA Forum [EMAIL PROTECTED]
cc: 
Subject:Re: [PEDA] Removing virtual tracks


You Mean Edit CUT  don't you.

At 06:55 AM 2/8/02 +0100, you wrote:
Do you try  EDIT-DELETE ?

Harald







Bryn Wolfe [EMAIL PROTECTED]
07.02.2002 17:42
Please respond to Protel EDA Forum


 To: Protel EDA Forum [EMAIL PROTECTED]
 cc:
 Subject:[PEDA] Removing virtual tracks


I've got a track on my PCB that has zero size that I'm having trouble
deleting from the board. It's the result of accidentally grabbing one
end of a track and placing it at the same location as the other end of
the track. The ratsnest shows the connectivity but it isn't selectable
and thus, not deletable. I would have done an undo to fix it, but
apparently my undo history wasn't big enough.

Any ideas?

Bryn Wolfe




Mark Witherite  C.I.D.
Assistant Research Engineer
Astronomy  Astrophysics
Penn State University
2565 Park Center Blvd
Suite 200
State College, PA.  16801
email [EMAIL PROTECTED]
telephone 814 865 9839
fax   814 865 9100





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Re: [PEDA] Removing virtual tracks

2002-02-08 Thread Mark E Witherite




Re: [PEDA] Removing virtual tracks

2002-02-08 Thread Bruce Walter

I just tried EDIT-DELETE, and drawing a track beginning at the virtual point
- highlight - delete, and they both worked if the begin-end points were
on-grid.

-Original Message-
From: Mark E Witherite [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 08, 2002 6:14 AM
To: Protel EDA Forum
Subject: Re: [PEDA] Removing virtual tracks


You Mean Edit CUT  don't you.

At 06:55 AM 2/8/02 +0100, you wrote:
Do you try  EDIT-DELETE ?

Harald

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Re: [PEDA] Removing virtual tracks

2002-02-08 Thread Abd ul-Rahman Lomax

As I mentioned previously, editing and deleting zero-length track is not 
difficult *if* you can find the track, unless it is small compared to snap.

The difficulty is finding it. Right now the only comprehensive way I would 
know to find all zero-length track is to copy a spreadsheet dump of track 
coordinates into Excel and subtract the starting coordinates from the 
corresponding end coordinates. If both results are zero, then the track is 
zero-length. If the difference is even 1 microinch or 10 nanometers, the 
track will display. I did not test smaller differences

One of the coordinates can then be altered, even if only slightly, which 
will cause the track to display. But if you want to find and get rid of 
such track easily, I'd suggest editing one coordinate pair to 0,0 (in the 
spreadsheet) and then update the PCB from the spreadsheet.

(Using the spreadsheet to change the PCB is a fairly obscure process, 
especially if the data is coming from outside, as it might be in this case; 
we have described at length how to do it in other recent posts.)
[EMAIL PROTECTED]
Abdulrahman Lomax
Easthampton, Massachusetts USA

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Re: [PEDA] Removing virtual tracks

2002-02-08 Thread Bruce Walter

It was quite simple in these cases (including the original post) as there
was a net assigned, and so a rats nest going to that point.

Yes, if there is a no-net version, there would be little way of knowing
without some utility.

-Original Message-
From: Abd ul-Rahman Lomax [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 08, 2002 12:20 PM
To: Protel EDA Forum
Subject: Re: [PEDA] Removing virtual tracks


As I mentioned previously, editing and deleting zero-length track is not 
difficult *if* you can find the track, unless it is small compared to snap.

The difficulty is finding it. Right now the only comprehensive way I would 
know to find all zero-length track is to copy a spreadsheet dump of track 
coordinates into Excel and subtract the starting coordinates from the 
corresponding end coordinates. If both results are zero, then the track is 
zero-length. If the difference is even 1 microinch or 10 nanometers, the 
track will display. I did not test smaller differences

One of the coordinates can then be altered, even if only slightly, which 
will cause the track to display. But if you want to find and get rid of 
such track easily, I'd suggest editing one coordinate pair to 0,0 (in the 
spreadsheet) and then update the PCB from the spreadsheet.

(Using the spreadsheet to change the PCB is a fairly obscure process, 
especially if the data is coming from outside, as it might be in this case; 
we have described at length how to do it in other recent posts.)
[EMAIL PROTECTED]
Abdulrahman Lomax
Easthampton, Massachusetts USA

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[PEDA] Removing virtual tracks

2002-02-07 Thread Bryn Wolfe

I've got a track on my PCB that has zero size that I'm having trouble 
deleting from the board. It's the result of accidentally grabbing one 
end of a track and placing it at the same location as the other end of 
the track. The ratsnest shows the connectivity but it isn't selectable 
and thus, not deletable. I would have done an undo to fix it, but 
apparently my undo history wasn't big enough.

Any ideas?

Bryn Wolfe


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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Phil Stevens


 I've got a track on my PCB that has zero size that I'm having trouble 
 deleting from the board. It's the result of accidentally grabbing one 
 end of a track and placing it at the same location as the other end of 
 the track. The ratsnest shows the connectivity but it isn't selectable 
 and thus, not deletable. I would have done an undo to fix it, but 
 apparently my undo history wasn't big enough.

 Any ideas?

Hi Bryn,

If you know where it exists on the board,  maybe doing a delete all
inside around that area would work?



--- Phil 
mailto:[EMAIL PROTECTED]

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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Jason Morgan

If its assigned to a net, and it must be if its got a ratnest:-
XA to un-select all.
use the net browse box to select the offding net by double clicking on the
net name and checking the selected box.
then shift delete delete to delete selected items.

-Original Message-
From: Bryn Wolfe [mailto:[EMAIL PROTECTED]]
Sent: 07 February 2002 16:43
To: Protel EDA Forum
Subject: [PEDA] Removing virtual tracks


I've got a track on my PCB that has zero size that I'm having trouble 
deleting from the board. It's the result of accidentally grabbing one 
end of a track and placing it at the same location as the other end of 
the track. The ratsnest shows the connectivity but it isn't selectable 
and thus, not deletable. I would have done an undo to fix it, but 
apparently my undo history wasn't big enough.

Any ideas?

Bryn Wolfe


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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Jon Elson

Bryn Wolfe wrote:

 I've got a track on my PCB that has zero size that I'm having trouble
 deleting from the board. It's the result of accidentally grabbing one
 end of a track and placing it at the same location as the other end of
 the track. The ratsnest shows the connectivity but it isn't selectable
 and thus, not deletable. I would have done an undo to fix it, but
 apparently my undo history wasn't big enough.

What you should do is to move endpoint any other track segments that join
to the
troublesome track.  Then, you should be able to see the bad one as a
'dot'.  You should then be able to select it and delete it.  I'm assuming
this
is a zero-length track of finite width.  If you have made a zero-width
track, you may need a different way to get rid of it.  I'd select the
net, and
global edit all selected tracks to the correct width, then you should be
able to see and alter the segment in question.

Jon

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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Jenkins, Charlie

I have not tried this but select any track and then do a global to select if
the track width matches 0.  Then only the 0 width stuff will be selected.
Ctrl Delete kills it.  Add a net name to the selection criteria if you want
but I would figure you want to kill any zero width tracks regardless of net
association.

Charlie

-Original Message-
From: Bryn Wolfe [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 07, 2002 11:43 AM
To: Protel EDA Forum
Subject: [PEDA] Removing virtual tracks


I've got a track on my PCB that has zero size that I'm having trouble 
deleting from the board. It's the result of accidentally grabbing one 
end of a track and placing it at the same location as the other end of 
the track. The ratsnest shows the connectivity but it isn't selectable 
and thus, not deletable. I would have done an undo to fix it, but 
apparently my undo history wasn't big enough.

Any ideas?

Bryn Wolfe


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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Jim McGrath

Bryn,
Lots of good ideas are getting posted on this one, I was wondering
can you draw a track with the same characteristics somewhere you can
easily get at it and select it with global? Then you should be able to
delete it  and the offending track.   Just a thought.

Jim McGrath
CAD Connections, Inc.

Bryn Wolfe wrote:

 I've got a track on my PCB that has zero size that I'm having trouble
 deleting from the board. It's the result of accidentally grabbing one
 end of a track and placing it at the same location as the other end of
 the track. The ratsnest shows the connectivity but it isn't selectable
 and thus, not deletable. I would have done an undo to fix it, but
 apparently my undo history wasn't big enough.

 Any ideas?

 Bryn Wolfe



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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Abd ul-Rahman Lomax

At 04:01 PM 2/7/2002 -0500, Jenkins, Charlie wrote:
I have not tried this but select any track and then do a global to select if
the track width matches 0.  Then only the 0 width stuff will be selected.

The track in this case was zero length, not zero width. Global edit will 
not catch this. Protel (incorrectly, in my opinion, does not display a zero 
length track. This is particularly anomalous because zero-length draws in 
gerber *are* drawn (and the result is as if the aperture were flashed). So 
if you import a gerber file with a zero-length track, that is, a draw with 
the same starting and ending point, it will become a zero-length track in 
Protel that does not display.

[Zero width track, incidentally, *does* display with a single pixel from 
whatever zoom, and it can readily be selected. And it plots, with a zero 
diameter aperture. I consider this correct behavior.]

There should be an option (under Preferences) to automatically delete 
zero-length track when it is created by an edit. Existing zero-length track 
should be respected, display, plotted, DRC'd, etc.

There are various methods to select zero-length tracks. It is not necessary 
to go to the ASCII database and, in fact, it would not be completely 
straightforward to find such track, (It would not be difficult in Excel or 
other spreadsheet, including the Protel spreadsheet, one could calculate 
track length and sort the records on that basis. The Protel spreadsheet, 
unfortunately, does not allow the setting of the selection field, as I 
recall. But you could give the track some length by changing one coordinate 
to a weird value, like 99.999, which could then be the object of a global 
edit, if one was still necessary)

As to the behavior of zero-length track: When moving the endpoint of a 
track, the track disappears as the cursor is moved to the endpoint of the 
track. I find that the track will edit normally, but because it is 
invisible, it may be difficult to place the cursor on the track to select 
and edit it.

The Query Manager cannot be used to select this track because the Query 
Manager does not allow formulas or variables in the selection fields, nor 
is track length one of the allowed variables.

I was able to make the track visible in the following way: I placed a large 
pad on the track, which took on the track's net. Immediately when the pad 
was released, the pad became visible, because primitives of the same net as 
a primitive with the focus display highlighted.

If the pad is No Net, however, this does not work directly. A new pad of 
a different net, violating against the No Net pad, shows a DRC error, but 
the zero-length track does not display the error. The Violations Browse 
gives (in Details) the coordinates of the zero-length track, which could 
then be used by the Query Manager to select it.

There may well be a fast way to find this track and select it for deletion. 
If it were easy to use formulas in the spreadsheet, that might cut it. Any 
clues? (I know I could do it in Excel, but it would be much faster if the 
native spreadsheet could be used.) The problem is that the spreadsheet 
includes units in the coordinates, so a direct subtraction does not work. I 
could not find a *simple* way to convert the coordinate text to an actual 
number. Sure, I could parse the strings, but, hey, if you are going to feed 
us numbers with units, fix the spreadsheet so that it will do math on 
numbers with units!!!

(All is forgiven if there is a simple function I overlooked. Some forms of 
Basic will evaluate strings to numbers by ignoring any text characters 
beyond the numbers. That's all that would be needed. On the other hand, if 
there is a function, no kudos to the documentation people (does Protel 
have documentation people?)




[EMAIL PROTECTED]
Abdulrahman Lomax
Easthampton, Massachusetts USA


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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread May Scott

Slightly to the side of the topic, but...

I have had in the past, great problems with connections (in the ratsnest
layer) going off to a point, that probably had a track in the past.
Based on what you've said below, I guess the track became zero length in
the process of cleaning up, but then later, adjacent tracks were
deleted.  I'm then left with zero length track on the net, that I can't
delete, select, or even see!  I'd love to be able to clean this up.

Till later,
Scott.
¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø,¸¸,ø¤º°`°º¤ø
Scott May.
Hydrographic Support
1345 Ipswich Road
Rocklea.

Ph  +617 3892 5610
Fax +617 3848 5191
Mob 0417 195 018

[EMAIL PROTECTED] 
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 -Original Message-
From:   Abd ul-Rahman Lomax [mailto:[EMAIL PROTECTED]] 
Sent:   Friday, 8 February 2002 10:45 AM
To: Protel EDA Forum
Subject:Re: [PEDA] Removing virtual tracks

At 04:01 PM 2/7/2002 -0500, Jenkins, Charlie wrote:
I have not tried this but select any track and then do a global to
select if
the track width matches 0.  Then only the 0 width stuff will be
selected.

The track in this case was zero length, not zero width. Global edit will

not catch this. Protel (incorrectly, in my opinion, does not display a
zero 
length track. This is particularly anomalous because zero-length draws
in 
gerber *are* drawn (and the result is as if the aperture were flashed).
So 
if you import a gerber file with a zero-length track, that is, a draw
with 
the same starting and ending point, it will become a zero-length track
in 
Protel that does not display.

[Zero width track, incidentally, *does* display with a single pixel from

whatever zoom, and it can readily be selected. And it plots, with a zero

diameter aperture. I consider this correct behavior.]

There should be an option (under Preferences) to automatically delete 
zero-length track when it is created by an edit. Existing zero-length
track 
should be respected, display, plotted, DRC'd, etc.

There are various methods to select zero-length tracks. It is not
necessary 
to go to the ASCII database and, in fact, it would not be completely 
straightforward to find such track, (It would not be difficult in Excel
or 
other spreadsheet, including the Protel spreadsheet, one could calculate

track length and sort the records on that basis. The Protel spreadsheet,

unfortunately, does not allow the setting of the selection field, as I 
recall. But you could give the track some length by changing one
coordinate 
to a weird value, like 99.999, which could then be the object of a
global 
edit, if one was still necessary)

As to the behavior of zero-length track: When moving the endpoint of a 
track, the track disappears as the cursor is moved to the endpoint of
the 
track. I find that the track will edit normally, but because it is 
invisible, it may be difficult to place the cursor on the track to
select 
and edit it.

The Query Manager cannot be used to select this track because the Query 
Manager does not allow formulas or variables in the selection fields,
nor 
is track length one of the allowed variables.

I was able to make the track visible in the following way: I placed a
large 
pad on the track, which took on the track's net. Immediately when the
pad 
was released, the pad became visible, because primitives of the same net
as 
a primitive with the focus display highlighted.

If the pad is No Net, however, this does not work directly. A new pad
of 
a different net, violating against the No Net pad, shows a DRC error,
but 
the zero-length track does not display the error. The Violations Browse 
gives (in Details) the coordinates of the zero-length track, which could

then be used by the Query Manager to select it.

There may well be a fast way to find this track and select it for
deletion. 
If it were easy to use formulas in the spreadsheet, that might cut it.
Any 
clues? (I know I could do it in Excel, but it would be much faster if
the 
native spreadsheet could be used.) The problem is that the spreadsheet 
includes units in the coordinates, so a direct subtraction does not
work. I 
could not find a *simple* way to convert the coordinate text to an
actual 
number. Sure, I could parse the strings, but, hey, if you are going to
feed 
us numbers with units, fix the spreadsheet so that it will do math on 
numbers with units!!!

(All is forgiven if there is a simple function I overlooked. Some forms
of 
Basic will evaluate strings to numbers by ignoring any text characters 
beyond the numbers. That's all that would be needed. On the other hand,
if 
there is a function, no kudos to the documentation people (does
Protel 
have documentation people?)




[EMAIL PROTECTED]
Abdulrahman Lomax
Easthampton, Massachusetts USA






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Re: [PEDA] Removing virtual tracks

2002-02-07 Thread Harald . Bruenig

Do you try  EDIT-DELETE ?

Harald







Bryn Wolfe [EMAIL PROTECTED]
07.02.2002 17:42
Please respond to Protel EDA Forum

 
To: Protel EDA Forum [EMAIL PROTECTED]
cc: 
Subject:[PEDA] Removing virtual tracks


I've got a track on my PCB that has zero size that I'm having trouble 
deleting from the board. It's the result of accidentally grabbing one 
end of a track and placing it at the same location as the other end of 
the track. The ratsnest shows the connectivity but it isn't selectable 
and thus, not deletable. I would have done an undo to fix it, but 
apparently my undo history wasn't big enough.

Any ideas?

Bryn Wolfe




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