![]() ![]() This allows you to import an existing connection. If you have an existing connection from a different computer that you want to use, you can click the Import/Export button to the left of the New button. Note: If you have used ModelBuilder to create models on your computer in the past, existing ModelBuilder connections will be listed in the ModelBuilder manager. Click the New button to create a new ModelBuilder connection. The ModelBuilder manager will be displayed. Once a new model is opened, you can open ModelBuilder. Importing a CAD file ? ( DXF file supported ) See : Importing an AutoCAD or MicroStation CAD file using ModelBuilder NOTE :Before importing the shapefile or any type of data through Modelbuilder, you should first set the required unit system SI or US customary through options (Tools>More>Options) and then import data through Modelbuilder to avoid spatial disconnection. ![]() This procedure assumes that you have created a blank model in WaterGEMS menus, since we will building the model from the shapefiles. Given the nature for how the shapefiles were created, there are individual shapefiles for junctions, pipes and reservoirs. Building a model with ModelBuilder (importing external data)Īs mentioned previously, this example uses shapefiles as the source files to build the model. The water and storm/sewer products have tools that allow you to import elevation data or morph junctions into other element types. In addition, if elevation data is available for the nodes, you would be able to map the elevation data from the source file to the node. If the end node for a pipe is actually a pipe, you will need to manually change this in your hydraulic model. For instance, all nodes created by ModelBuilder that are not already in the source file will come in as junctions. However, it may allow for less clean up once the model data is created. ModelBuilder will allow you to create nodes at the end of pipes, so creating a node in the source file is not expressly required. ![]() Node elements include junctions, tanks, valves, reservoirs, and pumps. This means that every pipe needs to have some type of node element attached at either end. If you are using a source file like a shapefile, ArcGIS geodatabase, or CAD file, when creating the model file you should make sure to turn on all of your snapping options, so the elements are actually connected in the source program and there aren't connectivity gaps. You should also make sure that you are laying out the elements in the correct order according to the WaterGEMS connectivity rules. If the network is properly connected to start with, the network will be better connected in the water or storm/sewer product as well. It is helpful to make sure that you have proper network connectivity for the elements in your source file. However, the same general steps will work for most other supported source file types. The procedure example below uses shapefiles as the source of modeling information and WaterGEMS as the modeling software. ARC MODEL BUILDER TRUE FALSE PARAMETERS UPDATEThe steps provided below will help you create a model and update an existing model with new data. ARC MODEL BUILDER TRUE FALSE PARAMETERS FULLYou can see a full list of supported data source formats in the Help documentation If you have an ArcGIS geodatabase file with modeling data, you can use these source file types if you are working in the ArcGIS platform. A number of different source files are supported from any platform, such as shapefiles, CAD files, and Excel files. ModelBuilder is a tool available in Bentley OpenFlows products (at no extra cost) that allows you to create and update a model from a source file. WaterCAD, WaterGEMS, SewerGEMS, SewerCAD, StormCAD, PondPack, CivilStorm, HAMMER ![]()
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