Initial import of xtrkcad version 1:4.0.2-2

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+VERSION 7
+DEMOINIT
+ORIG 10.000 0.000 0.000
+PARAMETER display labelscale 10
+PARAMETER display description-fontsize 144
+STRAIGHT 1 0 0 0 0 N -1
+	E 23.086096 1.459535 254.675892
+	E 72.500000 15.000000 74.675892
+	END
+STRAIGHT 2 0 0 0 0 N -1
+	E 1.770859 28.642902 189.520022
+	E 5.625000 51.625000 9.520022
+	END
+REDRAW
+RESET
+MESSAGE
+Now we will create a helix in the corner of the layout connected to 2 tracks.
+END
+STEP
+COMMAND Helix
+PARAMETER helix radius 18.000
+PARAMETER helix turns 1
+PARAMETER helix elev 0.0
+PARAMETER helix angSep 0.0
+PARAMETER helix grade 0.0
+PARAMETER helix vertSep 1.0
+PARAMETER helix vertSep 0.0
+MESSAGE
+_________________________________________
+
+We will be creating a helix with a Elevation Difference of 12", Grade of 1.5% and limit the Vertical Separation to at least 2".
+END
+STEP
+MESSAGE
+_________________________________________
+
+First set the Elevation Difference to 12"
+END
+STEP
+PARAMETER helix elev 12.0
+BIGPAUSE
+BIGPAUSE
+MESSAGE
+_________________________________________
+
+Next set the Vertical Separation to 2"
+Notice how this causes the number of Turns to be set to 6
+END
+STEP
+PARAMETER helix vertSep 2.0
+STEP
+MESSAGE
+_________________________________________
+
+Next set the Grade to 1.5%
+Notice how this causes the Radius to change.
+END
+STEP
+PARAMETER helix grade 1.5
+MESSAGE
+_________________________________________
+
+Setting these values changes the Radius to 21.2" and the number of Turns to 6.
+END
+STEP
+MESSAGE
+_________________________________________
+
+Now we specify the Angular Separation between the enterance and exit to the helix.
+
+Note: this will decrease the Radius slightly.
+END
+STEP
+PARAMETER helix angSep 90.0
+BIGPAUSE
+MESSAGE
+_________________________________________
+
+Next we can fine tune the helix by decreasing the Radius to 15".
+Note the change to the Grade.
+END
+STEP
+PARAMETER helix radius 15.0
+BIGPAUSE
+MESSAGE
+_________________________________________
+
+Lastly change the Vertical Separation to 2.5".  The number of Turns will change to 4 and the grade increase to almost 3%.
+
+Note: the Vertical Separation will be increased.  This value is the Elevation Difference (12.0) divided by the total number of turns.  The total number of turns is 4.25: 4 whole Turns plus a quarter turn for the Angular Separation.
+END
+STEP
+PARAMETER helix vertSep 2.5
+MESSAGE
+=========================================
+END
+STEP
+CLEAR
+MESSAGE
+Now that the helix parameters are set we can place the helix on the layout.
+END
+MOUSE 2 15.375 20.500
+MOUSE 3 15.375 20.500
+MOUSE 3 16.000 16.000
+STEP
+MOUSE 4 16.000 16.000
+RESET
+MESSAGE
+_________________________________________
+
+Next, join the 2 straight tracks to the helix in the same way we join to a circle.
+END
+STEP
+COMMAND Join
+MOUSE 2 1.875 30.000
+MOUSE 4 1.875 30.000
+MOUSE 2 1.000 17.375
+MOUSE 3 1.000 17.250
+MOUSE 3 1.000 17.000
+MOUSE 3 1.000 17.000
+MOUSE 3 1.000 16.750
+MOUSE 3 1.000 16.500
+MOUSE 3 1.125 16.500
+MOUSE 3 1.125 16.375
+MOUSE 3 1.125 16.250
+MOUSE 4 1.125 16.250
+MOUSE 2 28.125 3.000
+MOUSE 4 28.125 3.000
+MOUSE 2 16.500 1.000
+MOUSE 3 16.500 1.000
+MOUSE 3 16.375 1.000
+MOUSE 3 16.125 1.000
+MOUSE 3 16.125 0.875
+MOUSE 3 16.000 0.875
+MOUSE 3 16.000 0.875
+MOUSE 3 15.875 0.875
+MOUSE 3 15.625 0.875
+MOUSE 3 15.500 1.000
+MOUSE 3 15.375 1.000
+MOUSE 4 15.375 1.000
+MESSAGE
+_________________________________________
+
+Notice that the length has increased because we have more than 4 turns in the helix.  It is closer to 4.25 turns.
+END
+STEP
+COMMAND Elevation
+PARAMETER elev mode 0
+PARAMETER elev value 0.000
+PARAMETER elev station 
+MESSAGE
+_________________________________________
+
+Next, we assign elevations to the 2 End-Points of the helix.  This will determine the grade and separation between the helix coils.
+
+Note: we could set the elevations anywhere along the connecting tracks instead.  XTrackCAD treats a helix as a single length of track for elevations.
+END
+STEP
+MOUSE 2 15.125 1.125
+MOUSE 4 15.125 1.125
+PARAMETER elev mode 1
+PARAMETER elev value 1.000000
+BIGPAUSE
+MOUSE 2 1.250 16.000
+MOUSE 4 1.250 16.000
+PARAMETER elev mode 1
+PARAMETER elev value 13.000000
+PARAMETER elev ok
+BIGPAUSE
+RESET
+REDRAW
+MESSAGE
+_________________________________________
+
+We have set the elevations to 1" and 13" to produce a grade of 3.0% with 2.8" between coils.
+
+You can use the <Describe> command to change the number of Turns or the Elevations at either end of the Helix.  This will affect the Grade and Vertical Separation.
+END
+STEP
+MESSAGE
+_________________________________________
+
+The helix description can be moved by the <Move Label> command.
+END
+COMMAND MoveLabel
+MOUSE 2 15.875 16.125
+MOUSE 3 16.125 6.250
+MOUSE 4 16.125 6.250
+MESSAGE
+=========================================
+END
+STEP
+CLEAR