Lines plan from measurements

I've watched an experienced boat measurer who used a laser total station and would put vertical stripes of tape on the hull to guide where he made measurements.

 

A baseline is needed. But it doesn't need to the the same as the original baseline. It is semantics. Just a reference by which all others are measured...

 

Agree, I said a base line, not the boat's base line but whatever the measuring man likes the better.
When using a laser, the laser beam must be perpendicular to the boat longitudinal plane, so, no line on the hull is needed.

 

A laser total station does not need to be perpendicular to the boat's longitudinal plane. A total station is essentially a land surveyor's tansit with a very accurate laser distance measurement device which digitally records the distance from the total station to target and the horizontal and vertical angles. The total station then calculates x,y,z coordinates of each recorded point.

 

We have a total station and other imaging systems, but they are overkill to take the lines of a hull. However, we can image a hull in the water if that was necessary.
I own one of these:
Owner's FAQ DISTO E7400x (X310) https://shop.leica-geosystems.com/blog/owners-faq-disto-e7400x-x310

 

@DCockey you are right. I was thinking on a portable, light, laser to get individual points, not a cloud of million points. Using a big station seems totally unnecessary to me, for such a simple task. I'm talking about small boats.

 

gonzo, thanks for the information. It looks like a good, affordable alternative to a total station for boat measurement.

 

A total station is different than a laser scanner. A total station is similar to a land surveryor's transit with the addition of a laser distance measuring device. When the operator presses a button the distance, horizontal angle and vertical angle are recorded. The total station can then calculate and output the x,y,z coordinates of the point. I've helped measure several small boats using a total station.

The unit gonzo uses appears to be a good substitute for a total station when measuring small boats.

 

Yes, it does