GMS:MODFLOW Display Options: Difference between revisions

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! width="125" | Display Option !! Description
! width="125" | Display Option !! Description
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| Wells, Drains, Rivers, Streams, General head, Constant head, Transient head || These items on the left side of the dialog represent source/sink objects. If the check box just to the left of each source/sink name is selected, a symbol is displayed at the center of each cell with that type of source/sink. The symbol for each source/sink is displayed to the left of the check box. The symbol can be changed by selecting the symbol button. This brings up the symbol editor dialog. The symbol editor contains a list of available symbols. The dialog can also be used to edit the size and color of the symbol.
| Wells, Drains, Rivers, Streams, General head, Constant head, Transient head, CLN nodes || These items represent source/sink objects. If the checkbox to the left of each source/sink name is selected, a symbol is displayed at the center of each cell with that type of source/sink. The symbol for each source/sink is displayed to the left of the checkbox. The symbol can be changed by selecting the symbol button. This brings up the symbol editor dialog. The symbol editor contains a list of available symbols. The dialog can also be used to edit the size and color of the symbol.
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| Horiz. flow barriers || The [[GMS:HFB Package|''Horiz. flow barrier'']] option displays a line at the location of each horizontal barrier. The attributes (thickness, color, etc.) can be edited by clicking on the small window to the left of the ''Horiz. flow barrier'' toggle.
| Dry cells ||Displays a symbol at the location of all dry cells in the grid. A MODFLOW solution must be imported to GMS prior to displaying dry cells. When a cell goes dry during a MODFLOW simulation, the HDRY value defined in the [[GMS:BCF Package|BCF Package]] is assigned as the head value for the cell. If an HDRY value is encountered in the active scalar dataset when the display is refreshed, the cell is assumed to be dry.
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| Dry cells || If the ''Dry cells'' option is selected, the chosen symbol will be displayed at the location of all dry cells in the grid. A MODFLOW solution must be imported to GMS prior to displaying dry cells. When a cell goes dry during a MODFLOW simulation, the HDRY value defined in the [[GMS:BCF Package|BCF Package]] is assigned as the head value for the cell. If an HDRY value is encountered in the active scalar dataset when the display is refreshed, the cell is assumed to be dry.
| Flooded cells || The computed water table elevation often exceeds the elevation of the ground surface. The ''Flooded cells'' option is used to draw a symbol at the center of all cells where the computed water table elevation is greater than the top elevation of the top layer in the grid. <!--Used in conjunction with the True Layer approach to defining layer data. With the True Layer approach, the top elevation is entered for each layer, regardless of the layer type. With many models, the top layer is an unconfined layer and the top elevation represents the ground surface. For unconfined layers, the top elevation array is not read by MODFLOW. Only the bottom elevation array is used in the calculations. MODFLOW assumes that the top layer extends to an infinite height.-->
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| Water table || If the ''Water table'' option is selected, the water table defined by a MODFLOW solution is superimposed on the layer geometry when a grid cross section is displayed in orthogonal mode. The water table is defined as the head value in the uppermost active cell. If the water table display is on, all contours (head, concentration, etc.) are clipped so that they lie at or below the water table. This option is only available if the True Layer mode is active.
| [[GMS:HFB Package|Horiz. flow barrier]]|| Displays a line at the location of each horizontal barrier. The attributes (thickness, color, etc.) can be edited by clicking on the small window to the left of the ''Horiz. flow barrier'' checkbox.
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| Mark flooded cells || The ''Mark flooded cells'' option is used in conjunction with the True Layer approach to defining layer data. With the True Layer approach, the top elevation is entered for each layer, regardless of the layer type. With many models, the top layer is an unconfined layer and the top elevation represents the ground surface. For unconfined layers, the top elevation array is not read by MODFLOW. Only the bottom elevation array is used in the calculations. MODFLOW assumes that the top layer extends to an infinite height. It is often the case that the computed water table elevation exceeds the elevation of the ground surface. The ''Mark flooded cells'' option is used to draw a symbol at the center of all cells where the computed water table elevation is greater than the top elevation of the top layer in the grid.
| Display hydrogeologic units || The ''Display hydrogeologic units'' option is used to display HUF data. This option only works if the current display mode is [[GMS:Display Menu|Ortho Mode]]. This mode can be turned on in the ''Display'' menu.
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| Lake cells || If the ''Lake cells'' option is selected, a symbol is draw in the center of each cell representing a lake. The symbol, the symbol size, and symbol color can be adjusted by clicking on the button to the left of the Lake cells toggle.
| Lake cells || Draws a symbol in the center of each cell representing a lake. The symbol, the symbol size, and symbol color can be adjusted by clicking on the button to the left of the Lake cells checkbox.
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| Lake ID's || If the ''Lake ID's'' option is selected, each cell representing a lake will display the lake ID in the center of the cell. The font, font size, and font color can be adjusted by clicking on the button to the left of the Lake ID's toggle.
| Lake ID's || Displays the lake ID in the center of each cell representing a lake. The font, font size, and font color can be adjusted by clicking on the button to the left of the lake ID's checkbox.
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| Display symbol legend || If the ''Symbol legend'' option is selected, a legend showing each of the symbols associated with sources/sinks, dry cells, and flooded cells is displayed in the lower right corner of the GMS window.
|PCB || Displays a symbol in the center of each cell that has a [[GMS:PCB Package|prescribed or constant concentration boundary]]. The symbol, the symbol size, and symbol color can be adjusted by clicking on the button to the left of the Lake cells checkbox.
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| Water table || When a grid cross section is displayed in orthogonal mode, this tool superimposes the water table defined by a MODFLOW solution on the layer geometry. The water table is defined as the head value in the uppermost active cell. If the water table display is on, all contours (head, concentration, etc.) are clipped so that they lie at or below the water table. This option is only available if the ''True Layer display'' option is active under the ''3D Grid'' display options tab.
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| Display hydrogeologic units || The ''Display hydrogeologic units'' option is used to display HUF data.  This option only works if the current display mode is Ortho Mode. This mode can be turned on in the ''Display'' menu.
| Check All ||Turns on all display options.
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| Check All || By clicking this button, all of the display options are turned on.
| Check None ||Turns off all display options.
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|Display Values || Option for either the key values or the final array values to be used for display.-->
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| Check None || By clicking this button, all of the display options are turned off.
| Display symbol legend || If the ''Symbol legend'' option is selected, a legend showing each of the symbols associated with sources/sinks, dry cells, and flooded cells is displayed in the lower right corner of the GMS window.
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[[File:Display3DGridMODFLOW.jpg|thumb|none|left|500 px|The ''Display Options'' dialog showing the ''MODFLOW'' tab of the ''3D Grid Data'' item.]]
[[File:Display3DGridMODFLOW.jpg|thumb|none|left|550 px|The ''Display Options'' dialog showing the ''MODFLOW'' tab of the ''3D Grid Data'' item.]]




Revision as of 22:54, 21 April 2022

MODFLOW
Pre-processing
MODFLOW Commands
Building a MODFLOW Model
Map to MODFLOW
Calibration
Packages Supported in GMS
Saving a MODFLOW Simulation
Importing MODFLOW Files
Unsupported MODFLOW Features
Run MODFLOW
Post-processing
MODFLOW Display Options
MODFLOW Post-Processing Viewing Options
Reading a MODFLOW Simulation
Tutorials
Packages
Flow: BCF6, HUF, LPF, UPW
Solvers:

DE4, GMG, NWT, PCG,

PCGN, LMG, SIP, SOR,

SMS
Other:

BAS6, BFH, CHD1, CLN,

DRN1, DRT1, EVT1, ETS1,

GAGE, GHB1, GNC, HFB1,

HUF, LAK3, MNW1, MNW2,

OUT1, RCH1, RIV1, SFR2,

STR1, SUB1, SWI2, WEL1,

UZF1
v • e

The properties of all MODFLOW data that GMS displays on the screen can be controlled through the MODFLOW tab of the Display Options dialog. This dialog is opened by right-clicking on the MODFLOW Folder.svg MODFLOW entry in the Project Explorer and selecting the Display Options command. It can also be accessed from the from the Display menu, the MODFLOW menu, or the Display Options Display Options Macro.svg macro. The following table describes the display options available for the 3D Grid module.

Display Option Description
Wells, Drains, Rivers, Streams, General head, Constant head, Transient head, CLN nodes These items represent source/sink objects. If the checkbox to the left of each source/sink name is selected, a symbol is displayed at the center of each cell with that type of source/sink. The symbol for each source/sink is displayed to the left of the checkbox. The symbol can be changed by selecting the symbol button. This brings up the symbol editor dialog. The symbol editor contains a list of available symbols. The dialog can also be used to edit the size and color of the symbol.
Dry cells Displays a symbol at the location of all dry cells in the grid. A MODFLOW solution must be imported to GMS prior to displaying dry cells. When a cell goes dry during a MODFLOW simulation, the HDRY value defined in the BCF Package is assigned as the head value for the cell. If an HDRY value is encountered in the active scalar dataset when the display is refreshed, the cell is assumed to be dry.
Flooded cells The computed water table elevation often exceeds the elevation of the ground surface. The Flooded cells option is used to draw a symbol at the center of all cells where the computed water table elevation is greater than the top elevation of the top layer in the grid.
Horiz. flow barrier Displays a line at the location of each horizontal barrier. The attributes (thickness, color, etc.) can be edited by clicking on the small window to the left of the Horiz. flow barrier checkbox.
Display hydrogeologic units The Display hydrogeologic units option is used to display HUF data. This option only works if the current display mode is Ortho Mode. This mode can be turned on in the Display menu.
Lake cells Draws a symbol in the center of each cell representing a lake. The symbol, the symbol size, and symbol color can be adjusted by clicking on the button to the left of the Lake cells checkbox.
Lake ID's Displays the lake ID in the center of each cell representing a lake. The font, font size, and font color can be adjusted by clicking on the button to the left of the lake ID's checkbox.
PCB Displays a symbol in the center of each cell that has a prescribed or constant concentration boundary. The symbol, the symbol size, and symbol color can be adjusted by clicking on the button to the left of the Lake cells checkbox.
Water table When a grid cross section is displayed in orthogonal mode, this tool superimposes the water table defined by a MODFLOW solution on the layer geometry. The water table is defined as the head value in the uppermost active cell. If the water table display is on, all contours (head, concentration, etc.) are clipped so that they lie at or below the water table. This option is only available if the True Layer display option is active under the 3D Grid display options tab.
Check All Turns on all display options.
Check None Turns off all display options.
Display symbol legend If the Symbol legend option is selected, a legend showing each of the symbols associated with sources/sinks, dry cells, and flooded cells is displayed in the lower right corner of the GMS window.
The Display Options dialog showing the MODFLOW tab of the 3D Grid Data item.


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