SMS:Materials Data

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Example of the Materials Data dialog

Many of the data entities constructed and edited in SMS (i.e., elements, cells) have a material ID associated with them. This material ID is an index into a list of material types. Materials contain model specific parameters such as Manning's roughness, or bed material grain size. A global list of material attributes is maintained and can be edited using the menu command Edit | Materials Data. This command brings up the Materials Data dialog where each material is assigned an ID number. This dialog can be used to delete unused materials, create new materials, and assign a descriptive name, color, and pattern to a material. This general information is saved in the material file. The materials defined within the Materials Data dialog are available for all modules.

Dialog Description

The Materials Data dialog is accessible from the menu command Edit | Materials Data or from model specific material properties windows (ex. ADH), available in the model specific menu. The dialog is resizable by dragging on the window edges.

When a new mesh element or grid cell is created, the material is assigned to the new object based on the materials options in the Element Options dialog.

Model specific material properties such as Manning's n and eddy viscosity are edited using commands available in the model specific menu.

Example of the Pattern Attributes dialog.

Materials Spreadsheet

The materials spreadsheet contains three columns (ID, Name, and Pattern) for the defined materials. All IDs must be unique and the spreadsheet can be sorted by clicking on the column headings. The default "Disable" material cannot be edited (except the display pattern) and will always be at the top of the spreadsheet regardless of sorting. Each material is accompanied by a pattern button in the Pattern column. To select a pattern, click on the preview section (left side) of the button to open the Pattern Attributes window. To quickly edit only the color, click on the down arrow (right side) of the button, and make a selection in the pop up color palette.

Buttons

New 
Inserts a material into the spreadsheet with the lowest unique ID available and a default name and pattern.
Delete 
Removes the currently selected material from the spreadsheet.
Copy 
Creates and inserts a copy of the currently selected material with the lowest unique ID available and a default "copy of" name.

Legend

The Legend Options dialog.
  • Legend – Check box with the associated Options... button controls the display of a legend of the materials in the Graphics Window.
  • Options... – Opens the Legend Options dialog. The options for the legend are edited in the Legend Options dialog. These options include:
  • Legend Title – The name to be displayed on the legend.
  • Legend Location – The specification of where on the screen the legend will appear. Options include "Top Left Corner", "Bottom Left Corner", "Top Right Corner", "Bottom Right Corner", "Screen Location", and "World Location". The "Screen Location" and "World Location" will require the X location and Y location to be indicated. "World Location" also require the Z location to be specified.
  • Font – The font to be used in the legend. Clicking on the button will open the Font dialog. The down arrow can be used to specify a font color without opening the Font dialog.
  • Size – The size of each entry in the legend as indicated by Width and Height

Note that only active materials are included in the legend.

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