Initial import of xtrkcad version 1:4.0.2-2

1 files changed, 51 insertions, 0 deletions

diff --git a/app/lib/demos/dmcircle.xtr b/app/lib/demos/dmcircle.xtr
new file mode 100644
index 0000000..5d93443
--- /dev/null
+++ b/app/lib/demos/dmcircle.xtr
@@ -0,0 +1,51 @@
+VERSION 9
+DEMOINIT
+ORIG 12.000 0.000 0.000
+PARAMETER display description-fontsize 72
+REDRAW
+RESET
+MESSAGE
+Like the <Curve> track command, there are several ways to create a Circle track.
+
+The first is to specify a fixed radius and simply drag the Circle into position.
+
+We will change the Radius before proceeding.
+END
+STEP
+COMMAND CircleFixedRadius
+PARAMETER circle radius 10.000
+BIGPAUSE
+PARAMETER circle radius 12.000000
+MOUSE 2 20.500 11.500
+MOUSE 4 13.750 13.250
+PARAMETER circle radius 12.000
+RESET
+MESSAGE
+_________________________________________
+
+The next method is to drag from the edge of the Circle to the center.
+END
+STEP
+PARAMETER misc cmdUndo
+COMMAND CircleTangent
+PARAMETER circle radius 12.000
+MOUSE 2 12.000 1.750
+MOUSE 4 12.250 12.000
+PARAMETER circle radius 10.253
+MESSAGE
+_________________________________________
+
+The last is similar, but you drag from the center of the Circle to the edge.
+END
+STEP
+PARAMETER misc cmdUndo
+RESET
+COMMAND CircleCenter
+PARAMETER circle radius 10.253
+MOUSE 2 14.000 14.000
+MOUSE 4 5.750 5.250
+MESSAGE
+=========================================
+END
+STEP
+CLEAR