Landscape Design Software - Adding a Jumping Jet

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Adding a Jumping Jet

A jumping jet is a fountain that emits a timed jet of water. The water resembles a glass tube that "jumps" out of the fountain. Multiple jets can be sequenced to give the impression of a snake jumping from one spot to another. Jumping jets are visually stunning and can add fun and variety to your landscape design.

To add a jumping jet:

1. Click Add Jumping Jet.

2. Click to add the jet.

While designing the landscape, the jumping jet appears as a solid tube of water. During a realtime walkthrough, the jumping jet operates based on the angle, flow rate, and other properties that you set.

The following landscape design uses a jumping jet flowing into a pond.

Sequencing Jumping Jets

A single jumping jet is interesting, but multiple jumping jets working in sequence can be even more impressive. By carefully setting their timings, two or more jumping jets can be configured to give the appearance of a snake jumping from one pad to another. This is done by setting the start delay, on time, and off time of each jet using the following formulas:

start delay = sum of previous jet's start delay, on time, and travel time; or 0 for first jet in the series
on time = (as desired)
off time = sum of all previous travel and on times, minus this jet's on time

For example, suppose you have three jets, which we'll call 1-3. You want the water to jump from jet 1 to jet 2, then from jet 2 to jet 3, and finally from jet 3 back to jet 1, after which you want the process to repeat. The following tables show you the timing required to make this work. In order to keep things simple, the angle of each jet was set to 60� (for a travel time of 1s).

Jet 1

Property	Value	Notes
Start delay	0	Jet 1 starts immediately at the start of the realtime walkthrough.
On time	0.5s	Jet 1 emits water for � second.
Off time	4s	There are three jets, each of which emit water for �s and have a travel time of 1s. Using the above formula, this is 1.5 + 1.5 + 1.5, minus this jet's on time = 4.5 � 0.5 = 4s.
Travel time	1s	Based on the jet's angle (60�) and flow rate (50), the water takes 1 second to travel through the air. This value is automatically calculated. (We assume 1s for this example.)

Jet 2

Property	Value	Notes
Start delay	1.5s	Jet 2 waits 1.5s, the time it takes for jet 1's water to fully arrive. Using the above formula, this is 0 (previous jet's start delay) + 0.5 (previous jet's on time) + 1 (previous jet's travel time) = 1.5s.
On time	0.5s	Jet 2 emits water for � second.
Off time	4s	(Same as jet 1).
Travel time	1s	(Same as jet 1).

Jet 3

Property	Value	Notes
Start delay	3s	Jet 3 waits 3s, the time it takes for jet 1's water to fully arrive at jet 2, and for jet 2's water to fully arrive at jet 3. Using the above formula, this is 1.5 (previous jet's start delay) + 0.5 (previous jet's on time) + 1 (previous jet's travel time) = 3s.
On time	0.5s	Jet 3 emits water for � second.
Off time	4s	(Same as jet 1).
Travel time	1s	(Same as jet 1).

Here are the jets in the perspective view. As you can see, the end of one jet roughly coincides with the nozzle of the next jet.

And here they are operating during a realtime walkthrough:

Tips:

� To create a pulsing jet, set the on and off times to a small number, such as 0.2s.

� You can adjust the jumping jet's elevation to place it on top of other objects. You can also adjust the flow rate, angle, and other settings for unique effects. Have fun and experiment!

� When rotating your jumping jet, you might need to disable angle snap to obtain the desired angle. See Snap Settings and Rotating Objects for more information.

� To adjust the length of the stream, you can either use the Scale tool or adjust the flow rate.

� The jumping jet model is always a small nozzle and cannot be changed.