<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>7. 1. 2015 v 19:41, Bruce <<a href="mailto:bruce@tomo.co.nz">bruce@tomo.co.nz</a>>:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">So what it is looking like, if the contributory maps are all derived from scraps (or maps in turn derived from scraps), then the altitude range is correct.<o:p></o:p></span></font></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">But if there is a map that is centerline derived (ie has no scraps) then the altitude minima is set to zero.<o:p></o:p></span></font></div><br class="Apple-interchange-newline"></blockquote></div><br><div>Only one question: do you have defined entrance?</div><div><br></div><div>m.</div></body></html>