Vehicle Path Tracking Profile

This command traces the vertical paths for vehicle dimensions along a profile. The profile is defined by a profile drawing which must be created before running this command. The center of the front axle, the center between the rear axle(s) and if selected the center of the trailer axle(s) follow the profile.

Prompts

Select profile polyline: select a profile polyline from a Profile Drawing

After selecting the profile, the program will display the Vehicle Path Tracking Profile dialog. The Vehicle Path Tracking Profile dialog has three tabs; Vehicle, Trailer and Profile. Each tab contains data for the corresponding component.

Vehicle Path Tracking Profile dialog

Vehicle


Vehicle Height: Height of vehicle at the highest point from the ground.
Front to High Point: Distance between the front of vehicle body to the highest point.
Front Overhang: Distance from front axis to front of vehicle body.
Wheel Length: Distance from front axis to center of rear axis.
Rear Overhang: Distance from rear axis to the back of the vehicle body.
Receiver Offset: Distance from receiver to the back of the vehicle body.
Minimum Clearance: Distance from ground to bottom of the vehicle body.
Frame Height: Distance from ground to the top of the vehicle frame.
Rear Clearance: Distance from ground to the bottom of the vehicle frame.
Tire Diameter: Diameter of vehicle tires.
Rear Axle Count: Number of rear axles.
Rear Axle Offset: Distance between rear axles.

Draw Front: Draws the profile of the front low point of vehicle body.
Draw Rear: Draws the profile of the rear low point of vehicle body.
Draw High Point: Draws the profile of the high point of vehicle body.
Draw Minimum Clearance: Draws the profile of the lowest point of vehicle body between axles.

Front Layer: Layer to draw the profile of the front low point of vehicle body on.
Rear Layer: Layer to draw the profile of the rear low point of vehicle body on.
High Point Layer: Layer to draw the profile of the high point of vehicle body on.
Minimum Clearance Layer: Layer to draw the profile of the lowest point of vehicle body between axles on.

Set: Select the corresponding vehicle layer from list.

Trailer


Use Trailer: Use this toggle to setup the trailer data and choose profiles to draw.

Trailer Height: Height of trailer from the ground.
Trailer Length: Overall length of trailer.
Ride Height: Height of the bottom of the trailer from the ground.
Front to King Pin: Distance from the front of the trailer to the King Pin (Hitch Point).
Front to Landing Gear: Distance from the front of the trailer to the landing gear.
Rear Overhang: Distance from rear axis to the back of the trailer.
Landing Gear Clearance: Distance from ground to landing gear.
Bumper Clearance: Distance from ground to the bottom of the trailer bumper.
Tire Diameter: Diameter of trailer tires.
Axle Count: Number of trailer axles.
Axle Offset: Distance between trailer axles.

Draw Top Front: Draws the profile of the front high point of the trailer.
Draw Top Rear: Draws the profile of the rear high point of the trailer.
Draw Top: Draws the profile of the highest point of the trailer between the front and rear.
Draw Landing Gear: Draws the profile of the trailer landing gear.
Draw Bumper: Draws the profile of the trailer bumper.
Draw Minimum Clearance: Draws the profile of the lowest point between the landing gear and the axle axis.

Top Front Layer: Layer to draw the profile of the top front point of the trailer on.
Top Rear Layer: Layer to draw the profile of the top rear point of the trailer on.
Top Layer: Layer to draw the profile of the top of trailer between front and rear on.
Landing Gear Layer: Layer to draw the profile of the trailer landing gear on.

Bumper Layer: Layer to draw the profile of the trailer bumper on.

Minimum Clearance Layer: Layer to draw the profile of the lowest point of the trailer between the landing gear and the axle axis on.

Set: Select the corresponding trailer layer from list.


Profile


Starting Station: Starting station for vehicle and if selected trailer profiles to be calculated.
Ending Station: Ending station for vehicle and if selected trailer profiles to be calculated.

Erase Previous Profile Entities: Removes previously drawn profiles for selected profile.

Draw Vehicle Icons: Draws the vehicle and if selected trailer icons.
Direction Reversed: Draws the icons from ending toward starting stations.
Vehicle Interval: Interval distance between icons.
Vehicle Layer: Layer to draw the icons on.
Set: Select the icon layer from list.

The Save and Load buttons save and recall the vehicle dimensions to a .VTV file.


Pulldown Menu Location: Roads - Vehicle Path Tracking
Keyboard Command: auto_track_pro
Prerequisite: Profile Drawing