I should add that it was never intended to work with that many points, it's probably slow to even open the PPG right? I wrote it to get the number of points first to display in the PPG...
On Wed, Jan 9, 2013 at 2:57 PM, Dan Yargici <[email protected]> wrote: > Yeah, it's actually quite amazing how slow it is! > > DAN > > > > On Wed, Jan 9, 2013 at 2:43 PM, adrian wyer < > [email protected]> wrote: > >> ** ** ** ** ** >> >> it works, but on a 4 million point Lidar scan it's.... VERY SLOW..... >> hehehe**** >> >> ** ** >> >> i found another way to import, renamed the .xyz to .asc opened it in >> Meshlab, which converts it into an explosion of polygons, export an obj, >> create an empty point cloud and add points at the point locations of the >> exploded mesh....**** >> >> ** ** >> >> bit of a run around, but it's fast**** >> >> ** ** >> >> thanks**** >> >> ** ** >> ------------------------------ >> >> *From:* **[email protected]** [mailto:** >> [email protected]**] *On Behalf Of *Dan Yargici >> *Sent:* 09 January 2013 10:56 >> >> *To:* **[email protected]** >> *Subject:* Re: terrain ascii xyz import >> **** >> >> ** ** >> >> Try that.**** >> >> ** ** >> >> ** ** >> >> On Wed, Jan 9, 2013 at 12:46 PM, ****adrian**** wyer < >> [email protected]> wrote:**** >> >> if you can be bothered, i know as much about Python as i do about open >> heart surgery.....!**** >> >> **** >> >> it's just testing stuff at the moment, waiting to get some proper Lidar >> data from the client....**** >> >> **** >> >> a**** >> >> **** >> ------------------------------ >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Dan Yargici >> *Sent:* 09 January 2013 10:30**** >> >> >> *To:* [email protected] >> *Subject:* Re: terrain ascii xyz import**** >> >> **** >> >> Hi Adrian.**** >> >> **** >> >> I used the data that Chris pasted into his mail to test with and that had >> no spaces...**** >> >> **** >> >> I use huge regular expression to parse the file for valid point data >> lines and it doesn't expect spaces. I'll tweak it and send it again if you >> like...**** >> >> **** >> >> DAN**** >> >> **** >> >> **** >> >> On Wed, Jan 9, 2013 at 12:22 PM, ****adrian**** wyer < >> [email protected]> wrote:**** >> >> Hey Dan, i gave it a swing, but regardless of my .xyz file formatting, i >> always get the error message; Error - no points found or not a valid XYZ >> file!!!**** >> >> **** >> >> have you got an xyz file that works for you, that you caould strip to >> just a couple of lines so i can see the format?**** >> >> **** >> >> the one i'm trying is like this;**** >> >> **** >> >> **** >> >> 647680.01, 508967.136, 185.622**** >> >> 647680.099, 508967.133, 185.609**** >> >> 647680.124, 508953.779, 184.757**** >> >> **** >> ------------------------------ >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Dan Yargici >> *Sent:* 09 January 2013 09:34 >> *To:* [email protected] >> *Subject:* Re: terrain ascii xyz import**** >> >> **** >> >> Hey Chris, was that script of any use? Just curious! :)**** >> >> **** >> >> It's quite slow, as I'm sure you've noticed as you said it was a large >> file!**** >> >> **** >> >> Never could find a way to speed it up. I just put it down to Python >> being slow in the end... :/**** >> >> **** >> >> DAN**** >> >> **** >> >> **** >> >> On Mon, Jan 7, 2013 at 6:54 PM, Chris Marshall <[email protected]> >> wrote:**** >> >> ok thanks guys. I'll see how this goes. I can always break the file down >> into smaller pieces maybe. Or if Dan's script works well, take a percentage >> of the point instead.**** >> >> I'll report back!**** >> >> **** >> >> **** >> >> On 7 January 2013 16:51, Vladimir Jankijevic <[email protected]> >> wrote:**** >> >> oh, all right. If it's huge then this won't work that well I think :(**** >> >> **** >> >> On Mon, Jan 7, 2013 at 5:40 PM, Chris Marshall <[email protected]> >> wrote:**** >> >> That's what I was thinking. Once I get the file into soft, I'll know what >> I'm dealing with. It's a pretty huge file of points.**** >> >> **** >> >> On 7 January 2013 16:34, Alan Fregtman <[email protected]> wrote:** >> ** >> >> With that, then you can use ICE on a grid of sufficient points and set up >> a tree like...**** >> >> "****Get** **Point** **ID****" and pointcloud getdata --> ID To Location >> --> .PointPosition --> Set Point Position**** >> >> **** >> >> (Who knows how the terrain is ordered though. It might look horrid.)**** >> >> **** >> >> On Mon, Jan 7, 2013 at 11:22 AM, Dan Yargici <[email protected]> >> wrote:**** >> >> Hey Chris, I quickly (read - some things may not work!) refactored my old >> .PLY importer for you. should work...**** >> >> **** >> >> Just rename as .py and run in the script editor.**** >> >> **** >> >> Like Alan suggested though, it's just point data so it just makes a >> pointcloud.**** >> >> **** >> >> Hope it helps.**** >> >> **** >> >> DAN**** >> >> **** >> >> **** >> >> On Mon, Jan 7, 2013 at 5:09 PM, Chris Marshall <[email protected]> >> wrote:**** >> >> Hi,**** >> >> Sorry for the slow reply on this. We have an xyz file, which is just a >> grid of points, like this:-**** >> >> **** >> >> -105.2500000000,39.7500000000,1757.129 **** >> >> -105.2500000000,39.7499583333,1758.791 **** >> >> -105.2500000000,39.7499166667,1760.882 **** >> >> -105.2500000000,39.7498750000,1763.025 **** >> >> -105.2500000000,39.7498333333,1765.183 **** >> >> -105.2500000000,39.7497916667,1767.467 **** >> >> -105.2500000000,39.7497500000,1768.741 **** >> >> -105.2500000000,39.7497083333,1771.766 **** >> >> -105.2500000000,39.7496666667,1773.832 **** >> >> -105.2500000000,39.7496250000,1775.873 **** >> >> -105.2500000000,39.7495833333,1777.84 **** >> >> -105.2500000000,39.7495416667,1779.369 **** >> >> -105.2500000000,39.7495000000,1781.255 **** >> >> -105.2500000000,39.7494583333,1783.423 **** >> >> -105.2500000000,39.7494166667,1785.815 **** >> >> -105.2500000000,39.7493750000,1788.552 **** >> >> -105.2500000000,39.7493333333,1791.749 **** >> >> -105.2500000000,39.7492916667,1795.332 **** >> >> -105.2500000000,39.7492500000,1800.269 **** >> >> -105.2500000000,39.7492083333,1804.516 **** >> >> -105.2500000000,39.7491666667,1808.3 **** >> >> **** >> >> So it must be relatively easy to convert this into a grid? Anyone got any >> ideas or can supply a simple script we can modify that'll read this data >> and generate a new grid or adjust the height of an existing grid?**** >> >> **** >> >> Thanks **** >> >> **** >> >> Chris**** >> >> **** >> >> **** >> >> **** >> >> On 14 December 2012 19:12, Matt Lind <[email protected]> wrote:*** >> * >> >> If it’s ASCII, an importer can probably be written fairly easily.**** >> >> **** >> >> Do you have a sample file?**** >> >> **** >> >> **** >> >> Matt**** >> >> **** >> >> **** >> >> **** >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Chris Marshall >> *Sent:* Friday, December 14, 2012 5:19 AM >> *To:* [email protected] >> *Subject:* terrain ascii xyz import**** >> >> **** >> >> Hello,**** >> >> Anyone know how to get these into soft?**** >> >> **** >> >> Cheers**** >> >> **** >> >> Chris**** >> >> **** >> >> >> >> **** >> >> **** >> >> -- **** >> >> **** >> >> Chris Marshall**** >> >> Mint Motion Limited**** >> >> 029 20 37 27 57**** >> >> 07730 533 115**** >> >> www.mintmotion.co.uk**** >> >> **** >> >> **** >> >> **** >> >> >> >> **** >> >> **** >> >> -- **** >> >> **** >> >> Chris Marshall**** >> >> Mint Motion Limited**** >> >> 029 20 37 27 57**** >> >> 07730 533 115**** >> >> www.mintmotion.co.uk**** >> >> **** >> >> >> >> **** >> >> **** >> >> -- >> --------------------------------------- >> Vladimir Jankijevic >> Technical Direction >> >> Elefant Studios AG >> Lessingstrasse 15 >> CH-8002 Zürich >> >> +41 44 500 48 20 <%2B41%2044%20500%2048%2020> >> >> www.elefantstudios.ch >> --------------------------------------- **** >> >> >> >> **** >> >> **** >> >> -- **** >> >> **** >> >> Chris Marshall**** >> >> Mint Motion Limited**** >> >> 029 20 37 27 57**** >> >> 07730 533 115**** >> >> www.mintmotion.co.uk**** >> >> **** >> >> **** >> ------------------------------ >> >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2012.0.2221 / Virus Database: 2637/5519 - Release Date: 01/08/13 >> **** >> >> **** >> ------------------------------ >> >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2012.0.2221 / Virus Database: 2637/5519 - Release Date: 01/08/13 >> **** >> >> ** ** >> ------------------------------ >> >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2012.0.2221 / Virus Database: 2637/5519 - Release Date: 01/08/13 >> **** >> > >
