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-rw-r--r--Master/texmf/doc/asymptote/examples/controlsystem.asy26
1 files changed, 6 insertions, 20 deletions
diff --git a/Master/texmf/doc/asymptote/examples/controlsystem.asy b/Master/texmf/doc/asymptote/examples/controlsystem.asy
index 0829bc90d51..bfd8336f1f6 100644
--- a/Master/texmf/doc/asymptote/examples/controlsystem.asy
+++ b/Master/texmf/doc/asymptote/examples/controlsystem.asy
@@ -15,25 +15,11 @@ draw(sum1);
draw(junction1);
add(new void(picture pic, transform t) {
- draw(pic,Label("$u$",0.5,N),path(new pair[]{t*(0,0),sum1.left(t)},
- Horizontal),Arrow,PenMargin);
+ blockconnector operator --=blockconnector(pic,t);
+
+ block(0,0)--Label("$u$",align=N)--Arrow--sum1--Arrow--delay--Arrow--
+ system--junction1--Label("$y$",align=N)--Arrow--block(1,0);
- draw(pic,path(new pair[]{sum1.right(t),delay.left(t)},Horizontal),Arrow,
- PenMargin);
- label(pic,"-",sum1.bottom(t),ESE);
-
- draw(pic,path(new pair[]{delay.right(t),system.left(t)},Horizontal),Arrow,
- PenMargin);
-
- draw(pic,path(new pair[]{system.right(t),junction1.left(t)},Horizontal),
- PenMargin);
-
- draw(pic,Label("$y$",0.5,N),path(new pair[]{junction1.right(t),t*(0.9,0)},
- Horizontal),Arrow,PenMargin);
-
- draw(pic,path(new pair[]{junction1.bottom(t),controller.right(t)},Vertical),
- Arrow,PenMargin);
-
- draw(pic,path(new pair[]{controller.left(t),sum1.bottom(t)},Horizontal),
- Arrow,PenMargin);
+ junction1--Down--Left--Arrow--controller--Left--Up--
+ Label("$-$",position=3,align=ESE)--Arrow--sum1;
});