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VERSION 9
DEMOINIT
ORIG 8.000 0.000 0.000
PARAMETER display description-fontsize 72
REDRAW
RESET
MESSAGE
There are several ways to create a Curved track.
You can choose which to use by clicking on the small button to the left of <Curve> command button if the current Curve command is not the one you want.
_________________________________________
The first is by clicking on the first End-Point and dragging in the direction of the Curve.
END
STEP
COMMAND CurveEndPt
MOUSE 2 6.500 1.625
MOUSE 3 31.250 2.750
MOUSE 4 31.250 2.750
MESSAGE
_________________________________________
You will see a straight track with a double ended Red arrow at the end.
Click and drag on one of the Red arrows to complete the Curve.
END
STEP
MOUSE 2 31.125 2.500
MOUSE 3 20.375 17.875
MOUSE 4 20.375 17.875
RESET
RESET
REGRESSION START 10 - curve track end point
CURVE 1 0 0 0 0 DEMO 2 5.835913 16.234915 0 14.625000 0 0.000000 0.000000
E4 20.369399 17.868440 353.587021 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
E4 6.500000 1.625000 267.397438 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
END
REGRESSION END
MESSAGE
_________________________________________
The next method is to click at one End-Point and drag to the center of the Curve.
END
STEP
PARAMETER misc cmdUndo
COMMAND CurveTangent
MOUSE 2 8.250 2.250
MOUSE 3 31.875 2.500
MOUSE 4 31.875 2.500
MESSAGE
_________________________________________
Now you will see the double ended Red arrow connected to the center of the Curve marked by a small circle.
As before, drag on one of the Red arrows to complete the Curve.
END
STEP
MOUSE 2 8.875 2.500
MOUSE 3 17.375 19.125
MOUSE 4 17.375 19.125
RESET
RESET
MESSAGE
_________________________________________
The next method is similar to the last except that you drag first from the center of the Curve to one End-Point.
END
REGRESSION START 10 - curve track tangent
CURVE 2 0 0 0 0 DEMO 2 31.875000 2.500000 0 23.626323 0 0.000000 0.000000
E4 8.250000 2.250000 179.393718 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
E4 16.345411 20.305477 48.905699 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
END
REGRESSION END
STEP
PARAMETER misc cmdUndo
COMMAND CurveCenter
MOUSE 2 27.375 4.250
MOUSE 3 5.000 4.250
MOUSE 4 5.000 4.250
MESSAGE
_________________________________________
Once again, drag on a Red arrow to complete the Curve.
END
STEP
MOUSE 2 5.000 4.375
MOUSE 3 15.625 18.875
MOUSE 4 15.625 18.875
RESET
MESSAGE
_________________________________________
The last method begins by drawing a line between the two End-Points of the Curve. This forms the Chord of the Curve.
END
STEP
REGRESSION START 10 - curve track center
CURVE 3 0 0 0 0 DEMO 2 27.375000 4.250000 0 22.375000 0 0.000000 0.000000
E4 5.000000 4.250000 180.000000 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
E4 13.361117 21.692812 51.220950 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
END
REGRESSION END
RESET
PARAMETER misc cmdUndo
COMMAND CurveChord
MOUSE 2 5.625 1.500
MOUSE 3 37.125 1.500
MOUSE 4 37.125 1.500
MESSAGE
_________________________________________
Now drag on a Red arrow to complete the Curve.
END
STEP
MOUSE 2 21.250 2.125
MOUSE 3 20.750 16.750
MOUSE 4 20.750 16.750
RESET
MESSAGE
=========================================
END
STEP
REGRESSION START 10 - curve track - chord
CURVE 4 0 0 0 0 DEMO 2 21.375000 0.991803 0 15.758197 0 0.000000 0.000000
E4 5.625000 1.500000 181.848091 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
E4 37.125000 1.500000 178.151909 0 0.0 0.0 0.0 0.0 0 0 0 0.000000
END
REGRESSION END
CLEAR
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