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Thread: So what are the current sources for DEM now?

  1. #51
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    Jerry,

    Any of these still viable?

    http://srtm.usgs.gov/

    http://edc.usgs.gov/products/elevation.html

    Topozone.com

    Mapmart

    USGS

    Delorme topo

    I know so many of them are either defunct, or have changed available data formats.

    Robert

  2. #52
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    I had found this site, and it works rather well with TSRE. It does require a earth data account to download in which I signed up for. As far as i know earth data is a free sign up. The cool thing, at least to me about this is that you can download a state rather quickly.
    https://dwtkns.com/srtm30m/
    M. Payne

  3. #53
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    Cottage Grove, OR
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    Default Stampede Pass Washington DEMs

    I'll put a map of Washington on my website... You can't find it by going to it, but this link will let you download it. It's a pdf file and you'll have to zoom to see things... It's page size is 48" by 18". If a section has a name in it, then I have that DEM file... and they are SDTS format... that loads directly into DEMEX.

    http://www.siskurail.org/washington.pdf

    I'll delete the file in a few days so get it while it's there.
    "FREE is a very good price!"

  4. #54
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    Dale, Do you also have the Union Pacific's La Grande and Huntington Subdivisions?

    https://www.7ideaproductions.com/shop/blue-mountains

    The entire route of the Stampede Pass is as follows,

    Consisting of the Yakima Sub (Pasco, MP 0 to Ellensburg, MP 127.0) and the Stampede Sub (Ellensburg, MP 0 to Auburn, MP 102.9). Also included is a spur line, the Granger Sub, MP 34.3 to 62.6. It joins the Yakima sub at Gibbon, it is essentially a large industrial spur and is under track warrant control.

    Robert
    Last edited by NW 2156; 04-27-2020 at 09:46 PM.

  5. #55
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    In a word, No. However, you can convert the USGS GeoTiff files to Tiff files that DEMEX can digest using
    QGIS but I have only done one as an experiment and QGIS takes a lot of disk space itself and has many
    dozens of tools that we aren't likely to ever need or use.

  6. #56

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    Quote Originally Posted by landnrailroader View Post
    In a word, No. However, you can convert the USGS GeoTiff files to Tiff files that DEMEX can digest using
    QGIS but I have only done one as an experiment and QGIS takes a lot of disk space itself and has many
    dozens of tools that we aren't likely to ever need or use.

    This can be done easily with out QGIS, using VT builder, this has been mentioned before. One program, same result.
    Todd
    Iowa Chicago and Eastern Mason City Sub

  7. #57
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    Poteau, OK, USA.
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    Todd:

    Have you tried using VT Builder since the USGS has again changed their tif format? I have read VT can on longer convert current USGS tif's into a DEMEX usable format.
    Last edited by Coonskin; 04-28-2020 at 09:37 AM.

  8. #58
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    Quote Originally Posted by Coonskin View Post
    Well, using the parameters to attempt to download some needed Colorado DEM's, the DEM's that downloaded are hgt format and DEMEX can read it... but doesn't seem to display it in the correct position. That is, it doesn't matter which single DEM patch I open, it's displayed in exactly the same location on the route as any of the others. Merging the patches does not result in a large quilt of merged DEM patches, but instead a different single patch shows up in the exact same place on the route.

    Obviously, I seem to be missing something in view of the needed skills to use the above resource site.
    Fairly certain I've used the SRTM 1 data (i.e. the 30m res stuff) and never encountered an issue - then again I've only used it for attempted projects in Trainz via Transdem, not MSTS.
    Vern.

  9. #59
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    Vern:

    You may be onto something in that it's an aging problem with DEMEX: The data has passed its "legacy" ability to read/apply.

  10. #60
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    Qgis is indeed a massive program.

    Maybe we can get away with using 3Dem?

    https://freegeographytools.com/2009/...available-here

    A smaller program like 3Dem ought to work just the same as the much larger program, without the wasted HDD space.

    Robert

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