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==Snapping Feature Objects within a Coverage== Within a coverage, the [[SMS:Feature_Object_Modification:_All#Clean|''Clean'']] tool can be u

...ine and 1D Hyd Cross Section coverages. This can be done by selecting each coverage to make it active and then selecting '''Interpolate Water Surface Elevation ...en delineating the floodplain again using the ''User defined flood barrier coverage'' option (see Figure 3 below).

...interface whereby any two-dimensional finite element or finite difference model can be run using SMS as a pre- and post-processor. The generic model interface can be added to a [http://www.aquaveo.com/software/sms-pricing pa

...vide an easy method to import GIS data into SMS. Unfortunately the shape file format is extremely redundant, meaning that points or lines that are share Therefore, in order to convert a shape file to a SMS coverage, it may take up to several minutes (depending on size) to build the correc

...ommand followed by using the [[SMS:Coverages#Creating_a_New_Coverage|''New Coverage'']] dialog. The following model specific coverages are available:

[[File:GIS to Feature Step1.png|thumb|450px|right|''GIS to Feature Objects Wizard' [[File:GIS to Feature Objects Wizard -- Step 1 of 2.jpg|thumb|500px|right|''GIS to

...s the only option available to assign to a feature object, relative to the coverage type. ...p.png|thumb|350 px|''Point Properties'' dialog for the boundary conditions coverage]]

[[File:MapModuleExample.png|thumb|250 px|Examples of arcs drawn over DEM data in t ...d be used to define [[WMS:Land Use Coverage|land use]] and [[WMS:Soil Type Coverage|soil zones]].

[[File:SRH Simulation.png|thumb|175 px|Example of an SRH-2D simulation in the Proj ...D simulation can have its own parameters based on what is entered into the model control.

...the ''River Tools'' menu uses the cross section arcs and a digital terrain model (TINs are the only source that can currently be used) to extract the elevat ...lweg, left bank, right bank) can be defined from a 1D-Hydraulic Centerline coverage, or by AutoMark. The ''AutoMark'' option will examine the elevations of the

...data (coverages) to build the basic geometry necessary for a 1D hydraulic model. Much of the information for developing [[SMS:SMS Models|models]] with the Currently the only major model supported is [[SMS:HEC-RAS|HEC-RAS]].

...rt of material on the shoreline and the shoreline morphology. The GenCade model allows defining multiple wave gages, providing for spatially varied driving ...Each wave event has a date and time, a H0, a period, and a direction. The model computes the wave conditions for each cell in the grid by interpolating the

...lly. In such cases, and many times after extraction from a digital terrain model, there are edits that must be performed in order to prepare the cross secti ...in a [[WMS:1D-HYD Cross Section Coverage Type|1D Hydraulic Cross Section]] coverage. After assigning the cross section, it also possible to enter the editor fo

{{Infobox Model | ...is the case with finite difference and finite element models. Rather, the model is defined by “analytic elements” representing line sources and sinks s

...y support the HEC-RAS model, but will be used to support the FHWA BriStars model as well as additional hydraulic models that will be supported in future ver ...am below illustrates how these coverages are used to establish a hydraulic model.

After running a 1D Hydraulic model like HEC-RAS, the result is a water surface elevation (or hydrograph for a :[[File:InterpolatingHydraulicModelResults1.png]]

...e basis for the development of the cross section data in the ArcHydro data model. Cross sections in the database can be used for the development of hydrauli ...e to open a cross section database using the '''Open''' command from the ''File'' menu.

; [[SMS:Model Checker|'''Model Check''']] : Checks the active PTM simulation for common input errors. ...Opens the ''Model Control'' dialog (used to organize input files, specify model parameters, choose output options, etc.).

...to modify the Z values. The purpose of each coverage is dependent upon the coverage type. Some coverages will modify z values and others will control other att ...rer links]] inside of a 2D geometry component. Only one grid or grid frame coverage may be linked in each geometry component.

...d frame]] inside a [[SMS:TUFLOW 2D Geometry Components|TUFLOW Grid Extents coverage]]. ...T2D Z Lines/Polygons (Simple) Coverage|TUFLOW 2D Z Lines/Polygons (Simple) coverage]] can also be used to force elevations using arcs or polygons.