Hi Thanks everyone for all the suggestions. I ended up using excel, but next time I will try Robert and Marc's methods.
Cheers, Doug On Sun, Apr 14, 2013 at 2:20 PM, Ben Spurgeon <[email protected]>wrote: > Just for completeness on this question, the Airborne QC > extension<http://www.geosoft.com/products/software-extensions/airborne-quality-control>to > Oasis montaj has functionality to generate a survey plan from an > irregular-shaped polygon. We’ve customised this in the past for clients who > wished to plan gravity surveys (with station locations/numbers), > geochemistry surveys (locations/sample numbers with inserted > standard/duplicate/blank samples and alternate line direction) and more > complete airborne surveys (min line length, waypoint file output, line end > padding, gaps to continue outside of ply, etc.). These modifications are > simple to do using GX Developer.**** > > ** ** > > Regards,**** > > Ben**** > > ** ** > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Robert Ellis > *Sent:* 13 April 2013 03:09 > > *To:* Geosoft Oasis montaj and Target > *Subject:* RE: [geonet] Mapping question**** > > ** ** > > All,**** > > ** ** > > Doug Cook correctly pointed out to me that my comment below needs slight > modification:**** > > ** ** > > **1. **“*Grid and Mapping Utilities->Create Master Grid*”. Set > origin, point spacing, and rotation. **** > > **2. **“*Grid and Mapping Utilities->Grid Utilities->Save Grid to > XYZ File*” to save the grid to an XYZ file.**** > > **3. **“*Database->Import->Geosoft XYZ…*” to import the XYZ file > into a database.**** > > **4. **“*Database tools->Window Data->Window X,Y to Polygon mask*” > to mask to your polygon. **** > > ** ** > > Thanks Doug!**** > > Cheers,**** > > Rob**** > > ** ** > > *From:* [email protected] [mailto:[email protected]] *On > Behalf Of *Robert Ellis > *Sent:* April-12-13 5:16 PM > *To:* Geosoft Oasis montaj and Target > *Subject:* RE: [geonet] Mapping question**** > > ** ** > > Doug,**** > > ** ** > > In Oasis montaj you can generate a grid of points with any spacing and > orientation using:**** > > ** ** > > **1. **“*Grid and Mapping Utilities->Create Master Grid*”. Set > origin, point spacing, and rotation. **** > > **2. **“*Grid and Mapping Utilities->Grid Utilities->Save Grid to > Database*” to save the grid to a database.**** > > **3. **“*Database tools->Window Data->Window X,Y to Polygon mask*” > to mask to your polygon. **** > > ** ** > > Not sure if this will solve your problem, but I have used this method many > times to quickly create survey grids. If you need the grid points on a DEM > for example, simply sample the DEM grid to the database.**** > > ** ** > > Cheers,**** > > Rob**** > > ** ** > > *From:* [email protected] > [mailto:[email protected]<[email protected]>] > *On Behalf Of *Marc Pelletier > *Sent:* April-12-13 2:22 PM > *To:* Geosoft Oasis montaj and Target > *Subject:* Re: [geonet] Mapping question**** > > ** ** > > Doug, > > If you don't want to spend any money on this you can do it with a little > effort in geosoft. Since your desired line direction is EW its fairly > simple, angled lines would require a little more effort. > > 1. Create a new line with an x and y channel. Make the y's equal to some > rounded minimum value and the x's such that they span the entire polygon. > 2. Copy the line however many times you need to and apply the offsets to > the y coordinate. This is the painful part, if there a bunch of lines you > could just define an offset channel and use y=y+offset*200, or similar, to > create the new y's. > 3. Make a distance channel. Its under channel tools. > 4. Refid your database (Database tools|Database Utilities|Re-fid to > distance reference). The reference channel is your distance channel, and > your fiducial increment is the station spacing. > 5. Window the gdb to your polygon. (Database tools|Window Data|Window X,Y > to Polygon mask. > > There's lots of variations on this theme. For more than a couple of lines > I would replace step 1 & 2 with Excelliness. > > cheers, > > Marc > > **** > > Marc Pelletier, P. Geo.**** > > Nutana Geophysics**** > > Saskatoon, SK**** > > tel: (306) 931-6853**** > > cell: (306) 260-6022**** > > ** ** > > On 12/04/2013 2:34 PM, Doug Cook wrote:**** > > but these are exactly the answers I wanted. Thanks Kit. It would take > their programmers 5 minutes to develop such capability, but they seem to be > ignorant of what the typical exploration geologist fills his/her day in > with. Using trigonometry to calculate points in Excel is not efficient use > of time. **** > > ** ** > > Doug**** > ------------------------------ > > From: [email protected] > Subject: Re: [geonet] Mapping question > Date: Fri, 12 Apr 2013 13:26:58 -0700 > To: [email protected] > > hi -- the Encom Technology (now Pitney Bowes) 'Discover' product (which is > an add-on to Mapinfo) has a utility for creating grids of points and lines > with set station/line spacings, etc., which can be easily/readily used for > laying out ground survey grids. Also, the DataViz 'FP' for flight plan will > do it well for airborne surveys, and the Encom PA product includes a flight > simulator which will do the same thing, with the addition of specific > aircraft climb/descend characteristics. **** > > ** ** > > I realize these are not the answers you want, but ...**** > > ** ** > > ** ** > > Kit.**** > > ** ** > > ** ** > > ** ** > > On 12-Apr-2013, at 12:55 PM, Doug Cook wrote:**** > > ** ** > > Doug, **** > > As far as I know, there is no means of automatically generating grid > points or lines within a polygon. I've been banging on about this for years > but no functionality has been added to generate grid points. We do a lot of > soil geochemical sampling and the ability to automatically generate > variable patterns, spacing and orientations of grid points (lines) within a > polygon would be very helpful. **** > > ** ** > > Regards,**** > > Doug**** > ------------------------------ > > From: [email protected] > To: [email protected] > Subject: [geonet] Mapping question > Date: Fri, 12 Apr 2013 18:58:14 +0000**** > > Hi > If I have a ply file and I want to create lines and stations at a specific > spacing within that .ply what is the best way to do that? Is there a Map > Editing tool for that? > Thanks, > Doug**** > > > > > > > > > > > > > ************************************************************ > Confidentiality Warning. > The information contained in this e-mail is confidential and subject > to certain laws pertaining to the protection of proprietary information. > It is intended only for the use of the individual or entity named above. > If the reader of this message in not the intended recipient, > or the authorized agent thereof, the reader is hereby notified > that retention or any dissemination, distribution or copying of this > transmission is strictly prohibited. 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