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Found 4 results

  1. Hi all, Why there's a difference in elevations between DEM data from USGS using WMS and google earth? I used DEM data from here: https://dds.cr.usgs.gov/srtm/version2_1/SRTM3/ Is there a better accurate more updated source? Thanks,
  2. Hi all, Why there's a difference in elevations between DEM data from USGS using WMS and google earth? I used DEM data from here: https://dds.cr.usgs.gov/srtm/version2_1/SRTM3/ Is there a better accurate more updated source? Thanks,
  3. Why does SMS use both Arc IDs and Arc Names? When you are plotting observation lines you have to know the "Arc Name", but you only have the option of displaying "Arc ID" in the Display Options window. This can lead to confusion when Arc IDs and Names get out of sync when merging coverages. In my current project I have Arc ID 1 through Arc ID 703 and Arc Name 710 through Arc Name 1412. If someone could highlight the advantage of having two ways to reference the same arc, that would be great. Or perhaps the Display Options could be updated to include the Arc Name. Thanks!
  4. Hello, I have two problems regarding velocity vectors. 1. I would like to view velocity results from a model as a line of vector values at specified points in the model mesh (not necessarily at nodes, in between nodes). I would like to be able to skip through the time steps with the vector arrows changing according to the model results. Is this possible? If so, how? I can't see it in any of the tutorials. 2. I would then like to view my model velocity vectors overlaid on an arcline of field measurements. I can see a way to import my field data and have them show up in the transect line as velo
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