Harry Eaton wrote:
--- DJ Delorie <[EMAIL PROTECTED]> wrote:
1) Long lines do funny things if zoomed in a lot.
I've recently seen short lines and arcs get exploded
in the lesstif
version too, but haven't tracked it down yet.
The "new" GUI drawing code simply scales the line and
then converts the (now overflowed coordinated) to
short ints and sends them X to render. Before the HID
came along, there was clipping code that prevented
this coordinate overflow and thus produces correct
drawing (usually). But the desire for eye-candy and
"fluff" won out over correctness. Presenly in CVS
only *polygons* are always rendered correctly
regardless of zoom level.
3) Auto router and manual line drawing tool
interpret line clearance
differently. If clearance is set to 10 mil for a
particular route style,
the auto routed lines will punch a 10 mil gap into
polygons. With manually
drawn lines the gap is just 5 mil. I'd say, the
auto router is correct.
According to the documentation, "clearance" is the
amount added to the
thickness of the line, so a 10 mil clearance should
result in a 5 mil
gap on each side of the line. At least, that's what
the file format
spec says.
The file specs are for the file. The GUI interface
should define clearance as the gap on each side.
Just like "join" is compliment of clear-line, there
are some historic strangenesses in the file format,
but they should only apply to the file format. I
believe the current CVS has the clearance correct for
both manual and auto-routed lines.
4) Rubber band move of automatically generated
vias results in a mess of
tracks. Some tiny tracklets seem to be expanded
rather than moved.
One end stays where it was and the other moves with
the via - the definition of rubber banding. Still,
it's not what the user wants. This is already an open
bug on the SF tracker.
I think this is what the user wants - as long as it's the correct end of
the correct line that is being moved.
Joe T
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