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...in of the model and is inactivated. Cells inside the model domain are made active. [[Image:Activate1.png|thumb|375 px|Sample application of the '''Activate Cells in Coverage''' command]]

...erage with polygons bounding all of the active regions of the raster. Any inactive regions that fall within an interior polygon will be deleted automatically. Inactive regions of a raster are determined by the NODATA value of the raster.

...um, value for each layer. The 3D UGrid cells are organized into columns of cells to compute the various output datasets. Examples follow that explain how th ...ells must be vertical). Further, the grid must have layers assigned to the cells. The tool will return an error if any of these conditions are not met.

...um, value for each layer. The 3D UGrid cells are organized into columns of cells to compute the various output datasets. Examples follow that explain how th ...ells must be vertical). Further, the grid must have layers assigned to the cells. The tool will return an error if any of these conditions are not met.

...vidual cells of a CMS-Flow grid can be of four attributes which define the cells' computational inclusion into the simulation and controls specific computat ...s cell is adjacent to an active ocean cell, then interface between the two cells will be treated as a wall.

SMS allows specifying the level of quality for displaying cells. This is done at the top of the ''display options'' dialog by choosing 1 q ...ymbols. These could be observation stations (probes), or specially marked cells for another purpose.

| Cell edges || Displays the edges of grid cells. The cells are either drawn using the default cell color or the color of the material ...n to turning the display of cells on or off, GMS can temporarily hide grid cells.

*''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.

...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.

...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]]

...ader and a line for every corner point in a rectangular grid This includes inactive regions. The locations are ordered in a row major order. SMS will export 5 ...the number of corners minus 1. Cell corners that do not correspond to an active cell in the grid is assigned a coordinate location of (9.0x10¹⁸,