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geoscene3d:qc_and_statistics:3dgridthicknessqc [2021/07/19 09:20] – linda_jacobsengeoscene3d:qc_and_statistics:3dgridthicknessqc [2021/07/30 09:32] (current) – external edit 127.0.0.1
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 ====== 3D Grid Thickness QC ====== ====== 3D Grid Thickness QC ======
  
-//This tutorial shows how to use voxel models to identify the extent and distribution of specific values (floating values) or specific categories (discrete values) e.g. lithology types. In the voxel model the specific area of interest is evaluated and analyzed within a defined interval where this tool calculates the cumulative thickness of all voxels in all positions to visualize where on the map the expected values or categories can be found. //+This tutorial shows how to use the tool 'Voxel Model Quality Control' to identify the extent and distribution of specific values (floating values) or specific categories (discrete values) e.g. lithology types. In the voxel model the specific area of interest is evaluated and analyzed within a defined interval where this tool aids to calculate the cumulative thickness of all voxels in all positions for the purpose of visualizing the locations of the defined interval value or category on the map, but also to check if expectations about the data is consistent with the result.
  
 __**Requirements: **__ __**Requirements: **__
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-  * Voxel model with resistivities. +==== Option 1. Floating value 3D Grid ====
-  * Between two surfaces all voxels can be analyzed according to specific resistivity values. To check if expectations matches the reality of the data or if something is wrong with the layer model.+
  
-==== Step 1. Floating value 3D Grid ====+1. Open a profile and the according legend and register the range of resistivities.
  
-  * Open a profile and the according legend and register the range of resistivities. +  * Between the terrain surface (pink) and the KGL surface (yellow) almost all resistivity values are observed with the highest values around 60 <font 11pt/Calibri,sans-serif;;inherit;;inherit>Ω</font>  m and up.
-  * Between the terrain (pink) and kriging (yellow) surface in the picture below almost all resistivity values can be observed where the highest values are from about 60ohm*m and up.+
  
 {{:geoscene3d:qc_and_statistics:resistivityprofilelegend.png?nolink&}} {{:geoscene3d:qc_and_statistics:resistivityprofilelegend.png?nolink&}}
  
-1. "QC and Statistics" menu –> "3D Grid Thickness QC" –> next.+1. "QC and Statistics" menu
  
-2. "Calculation Mode" –> Floating value 3D Grid (e.g. Resistivities) –> pick your 3D grid file. +2. "Min. Value: 60" and "Max. Value: 1000" <font 11pt/Wingdings;;inherit;;inherit> <font inherit"> <font inherit">à</font>  next.
- +
-3. "Min. Value: 60" and "Max. Value: 1000" –> next.+
  
 {{:geoscene3d:qc_and_statistics:60_floatingvalues.png}} {{:geoscene3d:qc_and_statistics:60_floatingvalues.png}}
  
-4. You can choose the surfaces for where the calculation is needed by clicking the upper and lower constraint –> next.+3. You can choose the surfaces for where the calculation is needed by clicking the upper and lower constraint
  
-  * When the constraints are made the tool scans the layer in between for resistivies in the [60;1000] interval.+4. Name the resulting 2D surface <font 11pt color: inherit background-color: inherit /Arial,Helvetica,sans-serif;inherit;;inherit background-color: inherit >→</font>    finish./inherit;;inherit;;inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit >→</font>    finish.> The feature /inherit;;inherit;;inherit background-color: inherit /Arial,Helvetica,sans-serif;inherit;;inherit background-color: inherit >→</font>    finish./inherit;;inherit;;inherit background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit >→</font>    finish.> The feature ></font>
  
-{{:geoscene3d:qc_and_statistics:calculate_constraints.png?nolink&}} +  * The new surface can be found in object manager.
- +
-5. Name the resulting 2D surface –> finish. +
- +
-  * The feature "Add Result to Map" is automatic. +
-  * The new surface can be found in object manager+
  
 {{:geoscene3d:qc_and_statistics:resistivity_result.png}} {{:geoscene3d:qc_and_statistics:resistivity_result.png}}
  
-6. Activate the new surface. Also rightclick your profile –> "open profile window" –> "show top chart".+5. Activate the new surface. Also rightclick your profile <font 11pt color: inherit; background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit >→</font>  "Open Profile Window" <font 11pt color: inherit; background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit >→</font>  "Show Top Chart".
  
-  * The new resistivity chart is visualized in the top plot. +  * The cumulated resisitivity thickness chart is visualized in the top plot. 
-  * The y-axis on the top plot show the number of cumulative meters of voxels with the chosen resistivity in the constrained area. +  * The y-axis on the top plot shows the number of cumulative meters of voxels with resistivities between 60 and 1000 in the constrained area.
- +
-  * Analyzing the thickness of the profile in the constrained area for the chosen resistivities +
-  * 60 meters of cumulated voxels having resistivities above 60ohm*m.+
  
 {{:geoscene3d:qc_and_statistics:res_topplot.png?nolink&}} {{:geoscene3d:qc_and_statistics:res_topplot.png?nolink&}}
  
-  * The picture below show the map before the new resistivity layer was made with interval [60;1000].+  * The picture below shows the map before the new resistivity layer was made with interval [60;1000].
  
 {{:geoscene3d:qc_and_statistics:layermanager_empty.png?nolink&}} {{:geoscene3d:qc_and_statistics:layermanager_empty.png?nolink&}}
  
-  * Next picture visualize the automatic feature from step 5 where the bottom left corner on the map show the different cumulated resistivity values in the interval [60;1000] as an isopach map. In the map it can be observed that the green area contains the biggest concentration of the resistivity interval. +  * Next picture visualize the automatic feature from step 4 where the bottom left corner on the map shows the different cumulated resistivity values in the interval [60;1000] as an isopach map. In the map it can be observed that the green area contains the biggest concentration of the resistivity interval.
-  * Note that the colorscale maybe needs to be adjusted to show thicknesses and not resistivity.+
  
 {{:geoscene3d:profiles_and_regions:layermanager_res60_1000.png?nolink&}} {{:geoscene3d:profiles_and_regions:layermanager_res60_1000.png?nolink&}}
  
-==== Step 2. Discrete value 3D Grid ====+==== Option 2. Discrete value 3D Grid ====
  
   * Open profile and activate lithogies and deactivate resisitivites.   * Open profile and activate lithogies and deactivate resisitivites.
-  * To show the lithology legend go to Object Manager –> rightclick lithology –> show legend.+ 
 +1. To show the lithology legend go to Object Manager <font 11pt color: inherit; background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit >→</font>  right click lithology <font 11pt color: inherit; background-color: inherit /Arial,Helvetica,sans-serif;;inherit;;inherit background-color: inherit >→</font>  show legend.
  
 {{:geoscene3d:qc_and_statistics:lithology_profile.png?nolink&}} {{:geoscene3d:qc_and_statistics:lithology_profile.png?nolink&}}
  
-  * Repeat step 1.1. +2. Repeat step 1.1. just for discrete values. Pick as many lithologies as wanted for analyzation <font 11pt"> <font inherit"> <font inherit"> <font inherit"> <font inherit/Wingdings;;inherit;;inherit>à</font> next.
-  * Repeat step 1.2. just for discrete values. Pick as many lithologies as wanted for analyzation –> next.+
  
 {{:geoscene3d:qc_and_statistics:lithology_discretevalues.png}} {{:geoscene3d:qc_and_statistics:lithology_discretevalues.png}}
  
-  * Repeat step 1.4. for constraints. +3. Repeat step 1.3. for constraints. 
-  * Repeat step 1.5. for naming the new surface. + 
-  * Repeat step 1.6. to show the result.+4. Repeat step 1.4. for naming the new surface.
  
-==== Step 3. Results ====+5. Repeat step 1.5. to show the resulting top plot and the location and extent on the map.
  
 {{:geoscene3d:qc_and_statistics:ml_topplot.png}} {{:geoscene3d:qc_and_statistics:ml_topplot.png}}

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