Import X,Y,Z With Lisp

HELLO!

I need to import points from txt file in a specific way. I want to import them by their X,Y,Z coordinates but print out only Z coordinate near the point. The Z coordinates are sea depths and because they are all (+) in txt file they will have to be (-) (under water) in acad.

Another thing if it's possible is that i need to set sea level for certain group of points and change for another group (depending on high tide and low tide).

Thanks in advance

je.txt

Whilst you are waiting for a goodly soul to actually write a lisp to do what you want, I have the facilities (not for release) to nearly do what you want.

As in the picture, I have plotted the point number and the z value at zero elevation and the point at the x,y,z and attached a drawing.

With tide levels, you could get a spread sheet to generate the required sea-bed levels. Or you could commission someone to write a lisp to your exact needs.

JEpoints.dwg