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Post by Violinguy69 on May 12, 2024 12:13:19 GMT -5
Hey guys. I've done a few Lidar courses but it's been a little while. I've got a few new candidates but I'm having a little trouble with Chad's course tools. Even though the courses I've tried are edited in OSM, none of the course appears on my thumbnail or on the mask image. Even after I edit the mask and click to import the OSM data, nothing shows up. Am I missing a step here?
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Post by metatropic on May 12, 2024 17:23:29 GMT -5
Have you found and entered the correct EPSG?
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Post by Violinguy69 on May 12, 2024 18:22:46 GMT -5
Have you found and entered the correct EPSG? Yes. In each case it was the only way I could get the tool to accept the LAZ files. Below is the mask image for one of the courses. This one, as it turns out, cuts off a small part of the course in the NW, but this is the image I get with each try.  |
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Post by metatropic on May 13, 2024 0:12:49 GMT -5
What’s the name of the course?
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Post by Violinguy69 on May 13, 2024 12:40:38 GMT -5
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Post by metatropic on May 13, 2024 12:54:42 GMT -5
I’ll have a look. Did you use the USGS site for the LiDAR data?
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Post by BaconJunkie1 on May 13, 2024 22:08:41 GMT -5
I would love to see this Ross course come to fruition, nice choice! Good news, bad news, First the good, the LiDAR data is from 2023 but the spline work is pre the work done between 8/21 and 6/22. Open the course in Google Earth Pro on those two dates and look at the bunkers on 12 and the 4th hole just to mention a few. Golfpass mentions who I think are the three architects who put the Ross back into the course but oddly doesn't mention a year like they normally do so it may be/was an ongoing project over time. www.golfpass.com/travel-advisor/courses/8295-the-minikahda-club#layoutAlso, 6344 is the correct EPSG for the 2023 data |
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Post by BaconJunkie1 on May 13, 2024 22:12:22 GMT -5
I'm running into the "Chuck Gunsaullus" guy all over the place. I didn't know you were Violinguy69 until now, now that name I've heard a million times!  |
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Post by metatropic on May 14, 2024 0:39:41 GMT -5
Yeah looks like 6344 is the magic number. Working for me with the files from USGS, prefix "USGS LPC MN CentralMissRiver B22". Better to have updated Lidar files and old OSM than the other way round. If it was me I wouldn't bother updating OSM, I'd make the changes in the designer, since the splines usually need tweaking anyway....
Let me know how you get on. If you are still struggling I can ping you a course file on Discord no problem.
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Post by BaconJunkie1 on May 14, 2024 10:14:44 GMT -5
There is only one way to do LiDARs correctly and doing the correct splinework on OSM is part of it or Step 1, not making major adjustments after in the designer. If you are going to "Replicate" something it should look as close as possible to the real thing and not "Oh it's close enough, let it go".
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Post by metatropic on May 14, 2024 10:59:19 GMT -5
There is only one way to do LiDARs correctly and doing the correct splinework on OSM is part of it or Step 1, not making major adjustments after in the designer. If you are going to "Replicate" something it should look as close as possible to the real thing and not "Oh it's close enough, let it go". I beg to differ on this. It’s perfectly possible to replicate the surfaces directly and accurately in game, provided you’ve got good aerial imagery; the OSM splines are never quite right however faithfully drawn they are and need adjusting anyway. There are also quite often OSM glitches meaning some splines are missing and need to be drawn in game. I think it’s perfectly permissible to go by eye; these aren’t technical drawings they are an artistic representation inside a video game. I’ll admit I haven’t looked at the changes for this particular course and it may well be that attending to the OSM data is the best thing to do; but there is more than one way to skin a cat! Partly depends on how dramatic the bunker sculpting is; if the bunkers are deep I think you can get a more accurate overall result by resplining along the contours than doing it from 2d aerial maps. Because we have no means of replicating edge styles, there has to be an element of artistic interpretation to create the right look for bunkers that the OSM splines aren’t necessarily going to capture. I’ve also never managed to get or seen done even half decent fairway to green transitions in OSM when translated to the game, always need redoing. |
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Post by metatropic on May 14, 2024 11:06:38 GMT -5
So I’m not encouraging anyone to do a half-arsed estimate, completely agree lidars need to be accurate, but with care this can be done directly if needed, and sometimes it’s preferable. The game engine places limits on accuracy in any case, and sometimes distorts from reality (eg autosculpting bunkers).
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Post by Violinguy69 on May 14, 2024 11:39:47 GMT -5
I’ll have a look. Did you use the USGS site for the LiDAR data? Yes, National Map. I really was hoping to do Lookout Mountain (GA) or Ohoopee Match Club (GA). I just used the tool for Ohoopee and everything worked fine. I need to do the OSM editing for it. |
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Post by Violinguy69 on May 14, 2024 11:43:40 GMT -5
I’ll have a look. Did you use the USGS site for the LiDAR data? Yes, National Map. I really was hoping to do Lookout Mountain (GA) or Ohoopee Match Club (GA). I just used the tool for Ohoopee and everything worked fine. I need to do the OSM editing for it. Scratch that. OSM is edited, but is not being generated in Chad's tool. |
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Post by BaconJunkie1 on May 14, 2024 12:22:43 GMT -5
Alister we are going to have to agree to disagree. You do a good job doing it your way but we have different methods, opinions and standards.
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