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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>I am braving the creation of some extended elevations of some main routes through a cave with a number of branches, loops, through trips and hopefully to include a nearby cave.<o:p></o:p></p><p class=MsoNormal>Looking at the attachment First-Sample… I have an extended elevation that traverses a number of centrelines, some in the direction of survey, some against the direction of survey and one loop, which itself traverses a couple of surveys. It looks simple, but was a challenge, although it now looks how I want it to.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Along the way to building it, there were plenty of times when there were random offsets that I had no control over. Although I have some insights as to why that might have been, and think I understand extend start, ignore, hide, there were plenty of times when it appeared that large offsets were occurring for no apparent reason.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Anyway, the attached First-Sample… looks as I want it.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Now I want to add another very short cave, which is connected by a long series of survey centrelines, although these centrelines are not to be part of this elevation, so are not included in the centreline maps I have created.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>See the attached 2caves-Sample…<o:p></o:p></p><p class=MsoNormal>The second cave, and small part of surface survey, should ideally be located just to the right of the main elevation, because that is where, in reality there is a small gap between them. There is no survey of the gap of course – the survey goes around the long cave passages and surface to get there! (And there are gps fixed stations as well, so the surveys could potentially be disconnected, but that might mess with the plan maps – as usual there is a bit of misclose!)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have tried using a start statement for each, and a start statement for only one of them. This has no effect, and even if it did, there is not much chance it would produce the result I wanted.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is there a way to control the starting location of this second piece of (disconnected) centreline?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Bruce<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>