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  3. Thanks Paul. This is helpful but I am still looking for the definition of terms like "best fit" great circle (I can't find my old structural geology text book).
  4. Good morning Doug, We have two links on our RockWorks 2020 help page that I have included below that may answer your question. Stereonet Gridding Options (https://help.rockware.com/rockworks/WebHelp/stereonet_grid.htm) Stereonet Statistical Summary (https://help.rockware.com/rockworks/WebHelp/stereonet_stats.htm) If you have any other questions please let us know!
  5. Hi, I am looking for a source to define the terms used in the stereonet statistics including mean lineation, great circle, best fit great circle, mean lineation vector, and eigenvalue. I have looked in the help menu and online but have not found anything. Thanks.
  6. Thanks for all the input. It sound like I really misunderstood the grid handling capabilities of the program. I am working with 100 km2 of 1m lidar DEM, so I will clearly have to downsample dramatically and chop things into blocks. What I really want to do is visualize several hundred boreholes spread out over this area with enough topography behind them to be able to work out relationships. Sounds like I need to use a 30m dem at most.
  7. I am importing DEM grids that are clipped out of the statewide lidar database for Oregon, not interpolating points.

  8. Just to give a little bit more input - I would say that 3D display can handle much larger grids than 2D display without running into memory errors. I just did some testing and found on my computer that the program got pretty sluggish when displaying a grid with more than 1000x1000 grid cells. This is more cells that you would want to use when creating a stratigraphy model or a solid model (lithology, I/P/T-data), but would probably be OK for simple 3D display. That being said, I was even able to display a grid with 3000x3000 cells in 3D, but the 3D viewer did not respond quickly
  9. There are 2 Lidar programs. one creates a grid under Grid|Grid Create and one that creates a Triangle Mesh under Utilities|3D. It sounds like you're doing the first. The question is how many cells there are in your grid. Its a common mistake to set grid dimensions that are too large. While your Lidar data has a very fine resolution, using that resolution will end up with a grid surface that is unwieldy. While there is no fixed limit to the size of a grid it would be good idea to limit the grid size to 300 x 300. You can adjust from there. Let us know what dimensions you're using.
  10. Hello Ian, Very large grid models may produce out-of-memory errors within the RockPlot2D and RockPlot3D programs. Unfortunately, we cannot define the maximum model dimensions because it's based on a variety of variables (e.g. other programs that are currently loaded, RAM size, virtual memory size, etc.). The solution is to decrease the size of the grid or the node density. You may also wish to try using a Subset of your project to limit data being loaded to the map. More information about creating grids from Lidar can be found in our online help documentation: https://help.rockware.c
  11. I am trying to import lidar topography to go with borehole and geologic map data, and am having a problem with very slow visualization. The data was a 50 MB ASC grid (which was dramatically down sampled from the native resolution), and when I view it in a 3D window, simple navigation is so slow as to be unuseable. Is there some way to speed up the 3D redraw? What is the practical limit on grid size?
  12. New versions of LogPlot8 (32-bit and 64-bit) were uploaded to the RockWare website today with the following changes: Rollback: To fix an introduced problem with datasheet copy and paste, items 327 - 329 in the Revision List were rolled back from the program. To download this build, use the Help | Check for Updates menu inside LogPlot8. Or visit the LogPlot Free Trial tab (https://www.rockware.com/product/logplot/) where you can download the installation program and install the new build right over the top of the existing program. (DO NOT UNINSTALL first.) Note that yo
  13. Hello Molly and happy new year, apparently, after having installed the new update, it is impossible to copy and paste data in the various data tables. Can you help? Regards, Christian
  14. New versions of LogPlot8 (32-bit and 64-bit) were uploaded to the RockWare website today with the following changes: Improvements LogView tabs are labeled with the name of the data file being compiled, plus incremental numbers, rather than all tabs being labeled "Untitled". Bug Fixes Undo (Ctrl+Z) works in the datasheet editor when cell contents have been deleted. Changes made in the LogView Options pane (scale, pagination, etc.) are now saved on close. The Lithology Pattern column now honors the Percent Width setting from the Keyword file.
  15. No, if the spatial filter is set to the project extent, I wouldn't expect it to affect the plots. If you encounter this again, it would be helpful if we could take a look at the data and project settings to see if we can determine what might be going on. Because multiple RockWorks menus can be open at once, I could imagine that it might act strange if multiple windows are open with different spatial filter settings. So, I would recommend closing them all and reopening if you need to make a change to the spatial filter settings.
  16. Thank you! It wasn't turned on, but when I turned it on then back off again the copper showed up - must have been a glitch. Just to clarify for future though, if the spatial filter is on at all it will affect the I-data? Even if the spatial filter was set to the project extents?
  17. I can't think of any reason why this would happen. I did notice that you had a spatial filter turned on when reviewing your data last week. It is possible that this is enabled? It will affect what I-Data is plotted in logs.
  18. Trying to plot a simple bar graph of copper values alongside a drillhole. After making other edits to the section (just font changes in the peripherals) when I regenerate the section the copper no longer shows up. I tried recalculating XYZ's, clicking the I data on/off, refreshing, changing settings in the I data plots, all to no avail. This happened last week as well, then magically after one regeneration of the section the copper showed up again. Any tricks/hints? Thanks, Heather
  19. Dear Alison, Thank you very much for your feedback. For now this option is useful. Thanks again.
  20. Your question is not silly! Unfortunately, PetraSim is not really designed to create cross-sections. If you are working with a rectangular mesh, you can show rows and columns of cells, with all other cells turned off. If you color the cells based on the layer or material type, it will create a cross-sectional view of the model. To do this, select the mesh row or column and right click to choose to Show Only Selected Objects. Please let us know if you have additional questions!
  21. Dear PetraSim users, I am new user of PetraSim software, I just started and I hope that my question is not silly. After I create the conceptual model I need to create several cross sections at different directions. Is this tool available in PetraSim GUI? Thank you
  22. Hi Heather, I forgot to mention that this will change the way your maps plot but in order to get the 2D Striplog to plot vertically and correctly you need to do this. I haven't found an easier way. To do you maps you need to uncheck the changes that you made in General Preferences to the Borehole Orientation Tab. Best Regards,
  23. Hi Heather, I have a great way of doing what you are trying to do. Go to General preferences and click on the Borehole Orientation Tab. Go to Adjust Vertical Azimuths (for what you are doing I know that you need the hole inclination but this works). Change the maximum borehole azimuth a value higher than your máximum borehole inclination (I know that you are working with inclinations but just trust me). For example I use 60 because we don't have any boreholes with more than 60 degrees inclination. You could use up to 90 degrees if your boreholes have a greater inclination than 60. The
  24. This one was a little tricky as the setting for changing how holes are viewed in 2D is in the Single 2D Striplog tab/options. There is no Log Profile options in the 2D Profile Section creation tab. Now however the holes are plotting as inclined, but the I data won't plot.
  25. Thanks Alison, I am a little confused though as all the tutorials I went through and in the picture here, boreholes can be shown as inclined. I am working in a 2D profile section.
  26. RockWorks plots all boreholes as vertical in sections and projected sections. So, if you are working with angled holes, you are really limited to working with profiles for 2D diagrams. If you check on the "Use True Vertical Depth" option when creating sections and projected sections, then the boreholes will be corrected to plot accurate elevations, but they will still plot as vertical holes in the diagrams.
  27. Hello, probably an obvious thing I have not done, but after calculating XYZ values and trying section lines at various angles to catch all possible inclined holes, all holes are plotting as vertical when striplog profiles are made. In plan view, on a map, the inclined holes show their drillhole traces as inclined, but not in cross section.
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