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*''Cell edges'' – Display the edges of the cells in the quadtree grid. Options allow specifying line color and thickness. ...S:Contour Options|Contours]]'' – The mesh contours are drawn for the active scalar dataset. Use the contours tab to change [[SMS:Contours|contour]] op

...he ''SHIFT'' key while selecting or by dragging a rectangle to enclose the cells to be selected. The ''ij'' indices of the selected cell are displayed in th ...em in the ''Display Options'' dialog (see section below on active/inactive cells).

...s water depth. During sediment transport calculations, exposed hard bottom cells may become covered through deposition. ...lls are fully-erodible cells with no specified hard bottom depth (inactive cells; denoted by the

...gy changes the bottom elevations. Some cells may change state from dry to active. When this occurs, the datasets associate with grid change. The grid modi * Making an active ocean cell inactive or vice versa

...ed by NULL values in the dataset or as separate on/off values for nodes or cells. ===Active Dataset===

File:Scalar Dataset Active.svg|Scalar dataset & Raster Catalog – active File:Scalar Dataset Inactive.svg|Scalar dataset & Raster Catalog – inactive

=== Active Dataset === ...refreshed, the contours and other display features are generated using the active dataset.

File:Scalar Dataset Active.svg|Scalar dataset – active File:Scalar Dataset Inactive.svg|Scalar dataset – inactive

| Cell edges || Displays the edges of cells. The button next to the option opens a ''Line Properties'' dialog for adjus | Cell faces || Displays the cells filled with their assigned material color.

...when the [[GMS:2D Grid Module|2D Grid module]] is active. Only one tool is active at any given time. The action that takes place when clicking in the [[GMS:T ...he ''SHIFT'' key while selecting or by dragging a rectangle to enclose the cells to be selected. The ij indices of the selected cell are displayed in the [[

:[[GMS:Active/Inactive Points|Active/Inactive Points]] :[[GMS:Active/Inactive Cells|Active/Inactive Cells]]

==No-Flow and Dry Cells== ...flow head and Head assigned to dry cells values to define active/inactive cells for post-processing.

...when the [[GMS:3D Grid Module|3D Grid module]] is active. Only one tool is active at any given time. The action that takes place when the user clicks in the ...t|A zero may be entered in any of the i, j or k fields indicating that all cells in that direction will be selected. (See Note)}}

File:Scalar Dataset Active.svg|Scalar dataset – active File:Scalar Dataset Inactive.svg|Scalar dataset – inactive

...e lake is determined automatically based on the lake geometry. Some of the cells defining the lake are allowed to go dry if the lake stage drops sufficientl ...e cell is adjusted to match the lake bottom and the cell is marked as both inactive and inside of the lake.

...trimming with a polygon, only the DEM points within the polygon will have active elevations as everything outside the polygon, but within the bounding recta ...row/column, and is not intended to create data for large regions of NODATA cells, especially regions on the border of the DEM.

...ll edges || The Cell edges item is used to display the edges of cells. The cells are drawn using the specified color. | Cell faces || This option fills the cells with the material color.

...als (stress periods), an array defining which cells are inactive and which cells have constant heads, an array of starting head values for a transient simul This is the value of head to be assigned to all inactive (no flow) cells (IBOUND=0) throughout the simulation.

...e point. The ''Max size'' is the largest size that the user would like the cells to be in the entire grid. The ''bias'' determines how quickly the cell size ...it. Each grid cell can be specified as [[GMS:Active/Inactive Cells|active/inactive]] and each cell has a [[GMS:Materials|material]] associated with it. To edi

Each of the cells in a 2D grid can be active or inactive. An inactive cell is ignored when contours, fringes, or vectors are displayed on the mes ...in the ''Edit'' menu. A new material can be assigned to a cell or a set of cells by selecting the cell(s) and then selecting the '''Properties''' command fr