Update Time:
This has been a 'terrain' week on the Siskiyou. I have played around with the 'distant terrain' tool quite a bit, and finally understand all that is required about using it. The thread below was absolutely invaluable to me, and I recommend it to anyone with thoughts of adding distant terrain to their route.
http://railworksamerica.com/forum/viewtopic.php?f=34&t=9583&p=110089&hilit=distant+terrain#p110089I am going to tweak my fog settings next to take full advantage of the distant terrain, and specifically Mt. Shasta.
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As a follow up to what Buzz mentioned earlier in this thread, you do need to ensure that your distant terrain is uninterrupted between it, and anywhere the player may be viewing it from. Some of the tallest mountains in the background would appear fine from one angle, but show flat faces, or gaps where I had not imported terrain from other angles. I went on a blitz, and filled in a huge amount of filler terrain along the length of my entire route. The route's terrain folder went from 400mb to almost 800mb.
The angle below is only possible in the editor due to the elevation required, but it demonstrates a few points. First, from the cameras position near Yreka you can clearly see the extent of the terrain I imported as far as Grant's Pass over 55 miles away. Second, you can get an idea of what the 'incomplete' mountains look like that a player would see if you have a break in the terrain, or did not import all of the terrain between the player and said mountain.
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I was feeling good about all of this new terrain, and in a moment that I may later regret, decided to extend the 'mainline' portion of the route and terrain south from Black Butte, all of the way to just below Dunsmuir where my 1/3 arc-second BIL file for the area ended. This is only around 15 miles as the crow flies, but adds almost 23 miles of main track to the route, partially because of...
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...this little piece of geography. If you can recognize the location from the picture above, then you are a true SP fan. Even after making it, I still needed the Google Earth overlay to fully appreciate the Cantara Loop.
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This little extension will undoubtedly add a few months to my completion of the release of the southern part of the Siskiyou route, but should add a lot more operational functionality to the line. Dunsmuir is home to a yard, roundhouse, and turntable which was used to fuel and maintain the helpers used on the line, as well as the power for the 'Weed Local' that serviced the interchange with the McCloud River Railway at Mt Shasta, and the mills and industries in Weed. The facilities there will be useful for those running the line with steam engines.
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