Activity Feed › Discussion Forums › Software, CAD & Mapping › Draft in 3D?
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Rich., post: 403445, member: 10450 wrote: Geez and here I am basically still drawing contours by hand….. and I’m a young guy that’s very good with technology! With carleson I haven’t fiddled with anything 3D. I don’t create DTMs or TINs. I wonder if I would have to collect the data differently as well. Considering my professional career has just begun, it’s something I should start to learn.
But I must add that in my area I don’t think people are using or supplying 3D yet. Everything is 2D. At least for the small lot survey work I’m involved with.
Don’t listen to these guys. It is a good thing to be young and also able to draw contours by hand. Good on ya.
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CONTOURS
Brad Ott, post: 403642, member: 197 wrote: It is a good thing to be young and also able to draw contours by hand. Good on ya.
“As for Mason and Dixon, they returned to England as scientific heroes and, for reasons unknown, dissolved their partnership. Considering the frequency with which they turn up at seminal events in eighteenth-century science, remarkably little is known about either man. No likenesses exist and few written references. Of Dixon the Dictionary of National Biography notes intriguingly that he was ÛÏsaid to have been born in a coal mine,Û but then leaves it to the readerÛªs imagination to supply a plausible explanatory circumstance, and adds that he died at Durham in 1777. Apart from his name and long association with Mason, nothing more is known. Mason is only slightly less shadowy. We know that in 1772, at MaskelyneÛªs behest, he accepted the commission to find a suitable mountain for the gravitational deflection experiment, at length reporting back that the mountain they needed was in the central Scottish Highlands, just above Loch Tay, and was called Schiehallion. Nothing, however, would induce him to spend a summer surveying it. He never returned to the field again. His next known movement was in 1786 when, abruptly and mysteriously, he turned up in Philadelphia with his wife and eight children, apparently on the verge of destitution. He had not been back to America since completing his survey there eighteen years earlier and had no known reason for being there, or any friends or patrons to greet him. A few weeks later he was dead. With Mason refusing to survey the mountain, the job fell to Maskelyne. So for four months in the summer of 1774, Maskelyne lived in a tent in a remote Scottish glen and spent his days directing a team of surveyors, who took hundreds of measurements from every possible position. To find the mass of the mountain from all these numbers required a great deal of tedious calculating, for which a mathematician named Charles Hutton was engaged. The surveyors had covered a map with scores of figures, each marking an elevation at some point on or around the mountain. It was essentially just a confusing mass of numbers, but Hutton noticed that if he used a pencil to connect points of equal height, it all became much more orderly. Indeed, one could instantly get a sense of the overall shape and slope of the mountain. He had invented contour lines.”
Excerpt from: Bill Bryson: A Short History of Nearly Everything
(The book is free in pdf form) -
FL/GA PLS., post: 403635, member: 379 wrote: [USER=10]@Jim Frame[/USER]
Did you do all this in BricsCAD?
No, I use TBC to develop the TIN and contours. I then export a DWG that I bring into BricsCAD. I used Eagle Point for TIN and contours until they abandoned their user base, but by then I was already using TBC for baseline processing, so I just switched platforms for those functions.
There are some terrain modeling add-ons for BricsCAD; I think Terry Dotson (Dotsoft) has one, but I haven’t used it.
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FL/GA PLS., post: 403653, member: 379 wrote: CONTOURS
“As for Mason and Dixon, they returned to England as scientific heroes and, for reasons unknown, dissolved their partnership. Considering the frequency with which they turn up at seminal events in eighteenth-century science, remarkably little is known about either man. No likenesses exist and few written references. Of Dixon the Dictionary of National Biography notes intriguingly that he was ÛÏsaid to have been born in a coal mine,Û but then leaves it to the readerÛªs imagination to supply a plausible explanatory circumstance, and adds that he died at Durham in 1777. Apart from his name and long association with Mason, nothing more is known. Mason is only slightly less shadowy. We know that in 1772, at MaskelyneÛªs behest, he accepted the commission to find a suitable mountain for the gravitational deflection experiment, at length reporting back that the mountain they needed was in the central Scottish Highlands, just above Loch Tay, and was called Schiehallion. Nothing, however, would induce him to spend a summer surveying it. He never returned to the field again. His next known movement was in 1786 when, abruptly and mysteriously, he turned up in Philadelphia with his wife and eight children, apparently on the verge of destitution. He had not been back to America since completing his survey there eighteen years earlier and had no known reason for being there, or any friends or patrons to greet him. A few weeks later he was dead. With Mason refusing to survey the mountain, the job fell to Maskelyne. So for four months in the summer of 1774, Maskelyne lived in a tent in a remote Scottish glen and spent his days directing a team of surveyors, who took hundreds of measurements from every possible position. To find the mass of the mountain from all these numbers required a great deal of tedious calculating, for which a mathematician named Charles Hutton was engaged. The surveyors had covered a map with scores of figures, each marking an elevation at some point on or around the mountain. It was essentially just a confusing mass of numbers, but Hutton noticed that if he used a pencil to connect points of equal height, it all became much more orderly. Indeed, one could instantly get a sense of the overall shape and slope of the mountain. He had invented contour lines.”
Excerpt from: Bill Bryson: A Short History of Nearly Everything
(The book is free in pdf form)[MEDIA=youtube]7Vu5SVPlW_8[/MEDIA]
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[USER=35]@Randy Rain[/USER]
I never would have thought a Superstar rocker like Mark would even know about the Mason/Dixon line, much less write a song about it. First time I heard Sultans of Swing I thought to myself “these guys are going to hit it big”. Personally I think Mark Knopfler can outplay Eric Clapton.
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Mark’s music shows him to be a very well read/educated individual his solo work includes lots of songs that relate historical information…songs like
[MEDIA=youtube]5DMLnoyk6R0[/MEDIA]
[MEDIA=youtube]tmYQwdAiCXk[/MEDIA]
and many others. He also scored the music for the soundtracks of 9 films including Local Hero, Cal, The Princess Bride, Wag the Dog and Altamira. And for the record Clapton and Knopfler both acknowledge Prince to be the greatest guitar player of all time.
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We prepare our topo maps in 3D. I didn’t like it at first but have gotten used to it over the years and must say I know like it.
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