<span id="result_box" class="long_text"><span style="background-color: rgb(255, 255, 255);" title="">hello
all, how I can define the maximum extent or bounds so that I can not
restrict the space, or that I can move in infinite space no matter what
system of coordinates.<br><br></span><span style="background-color: rgb(255, 255, 255);" title="">thanks for your answers and help<br><br clear="all"></span></span>Ricardo Rodríguez<br>Univalle<br>