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Everything posted by Adrien

  1. When morphing models: A.) Is it possible make the resultant morphed show midpoints? I created 28 individual midpoint models morphed them (2 per)and now all I see is a solid model. I'd like to be able to see the changes within the model not just the sides. B.) Is it possible to create a legend for the resulting morphed model that accurately depicts the overall changes for the entire time-series?
  2. Morphing models- any suggestions?

    Tom- Thanks for the reply. I will try increasing the iso-level. With regard to the legend - new question. How do I make the legend show the full range for all the models. I can easliy delete one model and append that legend, but the range depicted on that legend won't match the range for all the models. Do I just change the min/max on the legend? (where do I change the min/max? or do I have to change the min/max for the model?) New question: Is it possible to create a morphed view of I-data displayed from the multi-log 3-D? Basically I have I-data that I would like to see as oblates getting bigger or smaller. Thanks
  3. Creating 3D surface Objects

    Anyone know what the ASCII file format is for generating simple 3D surface objects? All I want to do is create some cubes (similar to creating vertical storage tanks from the Grafix - 3-D Utilities tab). Thanks
  4. Creating 3D surface Objects

    Perfect. That's what I've been looking for. Thanks, Adrien
  5. What is the file format required to import USGS 30 meter DEMs using the Grid/Import option? I've got a DEM with a .adf extension, but when I browse to the file to import I only have a .grd option (or all files). Do I have to convert the .adf file to a .grd file prior to importing? I've tried the "all files" route but I get a " "is not a valid integer value " error. I don't know if there is a problem with the file type, the data, my project dimensions or some option I need to select/deselect. The "help" says: Digital Elevation Model (DEM):RockWorks can import Canadian Government, USGS 30-Meter, or USGS 3 Arc Second DEM formats. This tool does not import DEM files in SDTS format. Resolution/Source: Choose Canadian Government, USGS 30-Meter, or USGS 3 Arc Second. Elevations Units: Select whether the Z-values (elevations) from the imported DEM file should be saved in the output model as meters or as feet. Undefined Nodes: Select the method to be used to define any nodes missing in the input file. I'm glad it can do that. I'd just like to know how.
  6. I've been creating a lot of I-data models for one data set. Each model has been tweaked just a little but now I can't remember all the settings I had on the initial models. I still have the .mod files for the earlier versions. Is there some way to view the settings used to create the .mod files, is there a .txt file somewhere? Thanks
  7. I'm having issues trying to constrain a modeled contaminant plume within 1 stratigraphic unit. To set the stage: the strat unit is dipping 40 deg to the west and 90% of the contamination is found within this unit. The water table is the upper limit, however (issue #1) when I create the water table surface it plots 4000ft below land surface (I tried plugging in depth bgs as well as elevations for water table and neither will plot correctly). Is there a way to create a planar surface to act as the water table at a specific elevation thus acting as my upper surface data filter (spatial (xyz) filtering)? Next, I've constrained the I-data model in the strat unit (dipping 40 deg) via upper and lower model constraints (top and bottom grids of my strat unit), but when I run the I-data model the whole strat unit becomes "contaminated" not where I know it to be (near the surface exposure to a depth of ~100 ft) (I have high fidelity and Logarithmic selected), the high concentration areas are in the correct location, but according to the model the entire unit has 100ppb. Lastly, my stratigraphy model looks o.k. near the surface (bedrock dipping correctly, appropriate thicknesses, etc.) but at depth everything becomes planar. How do I tell the software that beds that dip at the surface continue to dip in the subsurface?
  8. Is there any way to save the upper water level surface from an aquifer model as a grid? I'd like to be able to use it as the upper surface filter for modeling interval data. I'm modeling a contaminant plume in groundwater, but without the water level as the upper surface, the other option is to use the land surface as the upper filter, but the contaminants are located in the saturated zone. Any ideas?
  9. I-data modeling

    I have a question regarding a solid model I created of I-data. Ok, so I have contaminant concentrations that I have inserted in the I-data spreadsheet for approximately 80 wells. I know what the plume is supposed to look like (a long (almost a mile) and skinny (maybe 300 ft) plume, and although I can get the shape of the plume using the directional weighting algorithm, the concentrations are 1-tenth what they should be. For example, the concentration in one well with a 20-foot screened interval is 135 ppb, yet when the model is created the maximum concentration for the whole plume may only be 20 ppb. I've tried using the high fidelity option, but when I do the model looks unrealistic (the plume extend much further than it should and includes "swiss-cheese" looking holes at wells with non-detect contaminant concentrations. Can someone explain how the algorithm reduces the concentrations by an order of magnitude? Or, how best to model a plume with limited data that covers a large area?