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* > *** >
