EnviroInsite training workshop - Creating three dimensional contours

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Presentation used in EnviroInsite training to describe contouring methodology and tips for creating high-quality three-dimensional contours.

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EnviroInsite training workshop - Creating three dimensional contours

  1. 1. 3d Contouring EnviroInsite Training Workshop January 2012
  2. 2. 3d Contouring 1 1.5 1. Select Data 2.1 2.7 2. Create 3d Grid 3 3.9 4 5.1 7.0 7 4.2 5.7 7.5 4.2 3. 3d Interpolation 6.5 6 8.2 4. Contour Shells 9 Similar to 2d, but no polyline bounds 3d Contouring
  3. 3. 3d Contouring Hints • Can “slice” into contour shells by modifying grid extent • Inverse distance seems to create smoother contours • Z-Scale parameter in inverse distance reduces vertical spreading 3d Contouring
  4. 4. Volume / Mass Calculation • EI Evaluates volume within each contour interval • Monte Carlo integration • Mass = C x V x porosity 3d Contouring
  5. 5. Draped Image • Image draped to either:  Ground Surface defined at wells  Set of X,Y,Z points (DEM data) 3d Contouring
  6. 6. 3d Contouring Hands-on exercise

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