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ResInsight/docs/Filters.md
2015-11-09 09:44:37 +01:00

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Cell Filters are used to control visibility of the cells in the 3D view. Three types of filters exists:

  • Range filter : Define a IJK subset of the model.
  • Property filter : Define a value range for a property to control cell visibility.
  • Well cell filter : Display grid cells that has connections to a well.

Well cell filters

Well cell filters are a special type of filters that are controlled from the Simulation Wells item only. They are not applicable for Geomechanical cases.

Common properties for Range and Property Filters

Both filter types can be turned on or off using the toggle in the Project Tree and controlled from their corresponding Property Editor.

Range Filters and Property filters can either be set to Include cells or to Exclude them.

The Exclude setting is used to explicitly remove cells from the visualization, regardless of what other filters say. The Include setting behaves differently for Range filters and Property Filters but marks the cells as visible. The icon in front of the filters show a + or - sign to indicate the setting ![]({{ site.baseurl }}/images/FilterIncEx.png)

Range filters

Range filters enables the user to define a set of visible regions in the 3D view based on IJK boxes. Each Include range filter will add more cells to the visualization. The view will show the union of all the Include range filters.

A new range filter can be added by activating the context menu for the Range Filters collection in the Project Tree.

An I,J or K-slice range filter can be added directly from a Cell in the 3D View by rightclicking the cell and using the context menu.

Below is a snapshot of the Property Editor of the Range Filter :

![]({{ site.baseurl }}/images/RangeFilterProperties.png)

  • Filter Type : The filter can either make the specified range visible ( Include ), or remove the range from the View ( Exclude ).
  • Grid : This option selects which of the grids the range is addressing.
  • Apply to Subgrids : This option tells ResInsight to use the visibility of the cells in the current grid to control the visibility of the cells in sub-LGR's. If this option is turned off, Sub LGR-cells is not included in this particular Range Filter.

The Start and Width labels in front of the sliders features a number in parenthesis denoting maximum available value.
The Start labels shows the index of the start of the active cells.
The Width labels shows the number of active cells from the start of the active cells.

Property filters

Property filters applies to the results of the Range filters and limits the visible cells to the ones approved by the filter. For a cell to be visible it must be accepted by all the property filters.

Below is a snapshot of the Property Editor of the Property Filter.

![]({{ site.baseurl }}/images/PropertyFilterProperties.png)

The filter is based on a property value range (Min - Max). Cells in the range are either shown or hidden depending on the Filter Type (Include/Exclude). Exclude-filters removes the selected cells from the View even if some other filter includes them.

A new property filter can be made by activating the context menu for Property Filters. The new property filter is based on the currently viewed cell result by default.

The name of the property filter is automatically set to "propertyname (min .. max)" as you edit the property filter.