Import landxml into microstation. Contributor ‎01-01-2025 04:06 PM.

Import landxml into microstation To convert from a landxml is easy as well as all you have to do is import the lamdxml and then export, select the alignment and corridor width then export. When you are importing the Terrain Model make sure you go through the Tasks > Civil Tools > Terrain Model > Create From File command to import the Land XML to a civil terrain model. Terrain models imported from the LandXML file format are supported within MicroStation. Apr 18, 2013 · I've been given 3 dtm surface files that I believe were created in Microstation. Create a terrain model by importing from an external file. Or from the pull down menu select: Tools > Terrain Model > Open as Toolbox; Navigate to the LandXML file, once selected the file will be imported into the MicroStation DGN file and displayed in the view. Below are the steps described for importing various MicroStation Surfaces into the software. You can open a Point Clouds tool > Attach and you can choose . On the Data Acquisition dialog, right-click on Surfaces and go to Create Surface > Import External Surface > Import LandXML Surface. Type the name of the xml file , then click Save. The originator of the drawing would have to generate an XML file for you. In those properties you can find the units used for each of the drawing entities. Amazingly, how do I open a LandXML file? In Autodesk Civil 3D, on the ribbon, click Insert tab Import panel LandXML Find, or enter LandXMLIn at the command line. Search for the file that is to be imported. They way microstation handles surface editing is the most backwards inefficient method one could think of. Browse the Trimble® Access™ software help using the menus above or enter your search term in the search field. Select the data and transfer it to the corresponding surface and layer. Create Terrain Model from Ascii File TINs may be imported from a LandXML file using Terrain/TIN/Import From LandXML File.   LandXML seemed like the way to get this done but have come to find out that MicroStation doesn’t hold the triangles created as part of the Civil3d LandXML export. 0 Geometry; Key in the desired filename to create. The way I do it, I will open Civil3D and "Export Civil3D drawing" to create a "plain" DWG drawing. 15 year surveyor and spent a few years in between selling Topcon machine control. Also know, how do I create a Land XML file in Civil 3D? Click Output tab Export panel Export To LandXML Find. You asked, how do I convert XML to DWG? Click here to open the AutoCAD File Converter page of Mars Translation. Supposedly that is fixed in SS1 but I don't know for sure. Workflow using MicroStation SS3: Use the MicroStation Tools > Terrain Mode l> Import LandXML Terrain Model command to import the LandXML file as a MicroStation Terrain Import Point Cloud Data into MicroStation. It is listed amongst the supported formats. InRoads – Exporting Geometry to LandXML Cogo Points, Horizontal and Vertical Alignments Overview This process exports InRoads geometry data including COGO points, and both horizontal and vertical alignments, to a LandXML file. If you are importing parcels, indicate the form to which you want them converted by selecting either Space Objects or Polylines. When importing it will display a dialog box which lists the properties of the XML file. Upload the translated XML file. With regards, Jan May 3, 2011 · In the meanwhile I'll offer my experience, having worked in both environments. If you have a TIN file in C3D you can create a DTM directly from the . xml file: Select File > Export > LandXML. 2 of the PLS-CADD manual). Used to import LandXML files. If not ask for another LandXML file that includes breaklines and better yet an exterior boundary. Also I have made a VBA macro which generates LandXML triangles from DGN points and imports it as Terrain as VBA doesn't have direct access to Terrain element so this was used as workaround. rxl file is simply awesome compared to a . OpenRoads | OpenSite Forum - GEOPAK LandXML tin - I have tried to import a landXML file into Geopak using the DTM Import LandXML tool. To view in fullscreen mode, first click the YouTube link at the bottom of the video to launch the video on the YouTube site. The DTM file is stored in SurvCE as an FLT file and can be used for commands such as Elevation Difference (obtaining cut/fill by comparing field measurements to the DTM). Nov 2, 2012 · In this tutorial we will import a LandXML file into MicroStation and view its feature properties. ttm. In Note: A LandXML file contains information about the drawing units in which it is measured. Jun 3, 2019 · In this MicroStation training video we cover how to attach raster images and point clouds to your DGN file as well as how to import LandXML data and Bentley' Click Insert tab Import panel Land XML. The most direct way to get the surface data into Microstation is via LandXML, assuming the Microstation user has a civil product. Set the Element Type to Chains and select the desired chain to export. tin file, just as Bill said. Working with an . I was able to take some Google Earth points/elevations and turn them into points using QGIS. Also know, how do I import a surface into MicroStation? In MicroStation, make a selection set of the remaining graphics. You can import a terrain model into a DGN to use its data. In this tutorial we will import a LandXML file into MicroStation and view its feature properties. This is required when the designer utilizes a survey alignment or must display the them at different scales in the plan set. Then we will annotate the contours and spot elevations of Select a LandXML (. Select File > Export > LandXML 1. In the Export Autodesk Civil 3D Drawing dialog box, select MicroStation DGN in the Export To File Type field. This tool can be used for acquiring many different data files from raw survey data to LandXML files. Select an element template for each terrain model being imported. Importing Terrain Surface from MX Roads LandXML 1. when I clicked the Import button it created a 0 KB file with the prefix. The Import Terrain tab contains tools to create a terrain model from graphical elements, ASCII files, point clouds, LandXML, and importing from various Bentley Civil products. The LandXML file can be used to import the data into another application or to a survey data collector. xml), select a file, and click Open Terrain Model toolbox: select the Import LandXML Terrain Model tool, select a file, and click Open May 8, 2012 · Welcome to Autodesk’s Civil 3D Forums. xml) containing data created in a civil/survey program. Also, if there is more than one surface in the LandXML file and you import it into Geopak, all the surfaces will get merged into a single DTM which will make a mess. 0 Geometry How to Import DTM Data The DTM export LandXML functionality can be accessed from either the DTM Toolbar or from the DTM Tool Palette. This content applies to version 2021. Only alignment geometry (including profiles) and DTMs can be MicroStation - Dateiformate von Drittanbietern importieren / exportieren - CONNECT Edition - Nur Import: VRML World: TerrainModel LandXML: SVG: Image (JPG, BMP Genio models can be read directly into 12d® Model™ models, or the genio data can be mapped with users defined models, colours, breakline type and linestyles. Knowledge Base Explore our comprehensive collection of expert articles and insights, designed to help you understand your software better. As someone mentioned above, the MS import of the XML usually removes the Civil3d border so there some cleanup to do OpenRoads | OpenSite Forum - - Posting this here in hopes of finding a CAD/Microstation crossover expert. Key-in: TERRAINMODEL Importing Survey Alignments into COGO COGO allows the designer to import the geometry provided by survey into the project GPK file. How to import x,y,z points from a text or CSV format file, specifying either the use of labels or text at those imported positions. Description. You can access this tool from the following: Ribbon: MicroStation Help Create Terrain Model from File - Create a terrain model by importing from an external file. The MicroStation Terrain Model tools support importing and labeling terrain contours and spots on terrain models. The situation: We have a 5+ mile topographic surface in Civil3d2018 that we need to get into Microstation.   We have Civil 3D . In the Import LandXML dialog box, select or browse to the LandXML (*. Ribbon: select Import LandXML Terrain Model from Drawing > Annotate > Terrain Model, select a file, and click Open; Ribbon: select File > Import > Exchange File Types > Land XML (*. Select File > Import > Exchange File Types > Land XML (*. xml) LandXML files may be imported into Earthwork and Highway. Use the Tool XYZ Text\Import coordinates. Unfortunately Bentley has been Used to create a terrain model element by importing from a LandXML file. Jul 1, 2010 · When importing LandXML 1. On the InRoads Explorer, choose File>Import>Surface… and set the From Graphics tab up as shown at right. 6. las), and legacy products (InRoads, GEOPAK, and MX). To export the current model to a LandXML . Numerous file formats are supported such as LandXML, Lidar (*. A lot of the software from that era does not do LandXML. Would you like to mark this message as the new best answer? Other Data Import Options 6/18/2019 Power Line Systems, Inc. jp2) All images can be automatically georeferenced through the use of a TIFF World File (described in section 6. Set the Units. If you upgrade to the latest version of MicroStation V8i SS3 you can locate the tools under the menu: Jan 26, 2025 · If you run into having to import a LandXML file into Geopak there is a utility at: http://www. But, grammar aside, I still would like to know if it is possible to import a You can export a model to LandXML format. Import : Defines how coordinates are imported into the design. org are imported. Note: You can import a LandXML file to both new and existing models; however, you can only import to existing models that contain no elements in the model. com Pardon my grammatical mistakes. Point it to LandXML file, give a prefix for the DAT to import into the tin format. From here, use the File > Attach method to receive the Open dialog. Contributor ‎01-01-2025 04:06 PM. jaxlab. You can access this dialog from the following: Ribbon: select Import LandXML Terrain Model from Drawing > Annotate > Terrain Model , select a file, and click Open On the Tasks Bar in Microstation, select Data Acquisition. dtm (microstation surface) file into BC?#import #dtm #microstation We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. After several searches on the internet on a question like Frequent question: How to import a tin file into microstation?, I could see the lack of information on CAD software and especially of answers on how to use for example Microstation. 0, 1. Note: Available from Tool Menu\Tool boxes Jul 11, 2024 · Terramodel Microstation By Misson Choudhury. Then I can open/save as/import the DWG with the MicroStation tools. Select a LandXML (. Separate articles with details are listed below. However, I am not familiar with Geopak 2004, and do not know if it is capable of importing the LandXML. Click the video below to play it. I've seen several topics on this accross the net but no real answers. I can't get the For small terrains, I usually use "create mesh from points" tool. If not, I know you can translate LandXML to any ESRI compatible format using FME. xml) file you want Select the tab of Import Word/XML into DWG/DXF, and the correct source dwg file version. Upload the source DWG file. Select in Dialog Description LandXML Version. From the File menu, chose Export > LandXML Opening a OpenFlows model in Civil3D. See Also. Oct 14, 2017 · The landxml export/import has a lot of shortcomings. Oct 8, 2020 · This thread already has a best answer. File > Import > Surface > From Graphics. 0 Only Active Profiles Check on Only Active Profiles to export only the active profile associated with the selected alignment. Thank you for the tip on the Insertion Scale units. See all of our InRoads tips on this YouTube playlist. View Terrain Model Nov 12, 2012 · One comment on “ Import LandXML into MicroStation V8i (SELECTseries 3) Annotate the Terrain Model ” Hieu Huynh Reply 03/13/2013 9:34am . Aug 21, 2018 · Is there a way to import a . A terrain model is recognized as a MicroStation element type; when you select a terrain model, the Element Selection tool’s Element Type tab indicates that it is a "Terrain" element type. Would you like to mark this message as the new best answer? OpenRoads | OpenSite - Create Terrain from File - Landxml import options - Product(s): OpenRoads, OpenRail, OpenSite Designer Version(s): 10. See "Importing from LandXML" and "LandXML Attribute Mappings" for information about the data that will be exported. I then was able to create contours and a raster from the points. You can go through this command and select the LandXML as a file type and import the XML to create the Terrain. Select the input format as XML. As for the radio, I know it sounds simple to just add an external radio to your topcon equipment so it can communicate with Trimble, they almost always are a pain. From the Task Navigation menu select the icon to Import LandXML. You can import vector data available in PDF files as DGN elements (such as lines, polygon strokes, curves, polygons, text and so on). Open Coordinate Geometry as noted in the section Coordinate Geometry (COGO). There are several options for importing data in WaterGEMS, WaterCAD (and HAMMER). Additional raster graphics image formats supported by PLS-CADD include GEOTIFF, ECW and JPEG 2000 (. This will bring up the Data Acquisition dialog box. There are two possible workflows to resolve this issue: Option 1. The Import LandXML dialog will appear. This is pretty cool importing Landxml with labeling contours, spot elevations and display the flow directions. Jan 29, 2021 · The only way I know of bringing them in as actual Civil 3D objects right now is through LandXML. The next preferred method is to send the surface as 3D faces. Select the tab of Import Word/XML into Mar 6, 2012 · I have a client who uses InRoads, we use C3D, and we used to exchange DTMs by using export/import Land XML files. com was created to satisfy your curiosity and give good answers thanks … Usage. Seemed pretty straight forward. Moreover, how do I import an XML file into CAD? In Autodesk Civil 3D, on the ribbon, click Insert tab Import panel LandXML Find, or enter LandXMLIn at the command line. Go to for more information on transferring data. Share your knowledge, ask questions, and explore popular AutoCAD Civil 3D topics. Civil View Explorer > Upper panel > Civil View Objects Entry > Right-click the Imported Objects entry or the Shapes, Surfaces, or Points entry within it. Unfortunately, as Jan has stated, plain MicroStation V8i SS2 does not include the ability to Import a LandXML Terrain Model. 1, 1. It is likely that you will need to do some processing to extract the features in FME or Data Interoperability. If any changes are made in Civil3D, you will need to re-export to LandXML file and import it back into the OpenFlows product.   Is there a way to convert these to a usable xml file format or import these dtm files into a surface or drawing. 4. Parent Topic: Import LandXML Terrain Model. Whether you import your LandXML file into an InRoads surface or a MicroStation terrain model (not there's any value to that with SS2), it will be re-triangulated. Workflow In this MicroStation training video we cover other methods for working with content outside of MicroStation. Aug 23, 2012 · I want to know what sort of issues/problems that I need to be aware fo to transfer data from Civil 3D to Microstation and back to Civil 3D. Then we will review the annotation… Import the GIS data into MicroStation and review the imported features in your design file. &nbsp Options for Importing Data in WaterGEMS and WaterCAD. I am a new civil engineer with novice GIS skills but got thrown onto some ArcMap/ArcGIS Pro work. It's a lot better than the landxml import. Select in dialog. These breaklines are imported into the same surface that will be exported to LandXML. Product TechNotes and FAQs MicroStation CONNECT Edition Help Import LandXML Terrain Model. When points (spots) are not available, I use XYZ export, mentioned also by Andrew, to export data into XYZ and import them into (usually new) model to be used as input for the mesh triangulation. Point Element — Imports coordinates from the selected ASCII file as points. dtm file (InRoads surface) to a land xml file to import into Civil 3d Is it a . The Civil Engineering Data Translator might have done it. 2, 2. Model network information: General: Using ModelBuilder to Import External Data; CAD Drawings: Importing an AutoCAD or MicroStation CAD file using ModelBuilder This video demonstrates how to import XML file in Open Roads Designer Connect Edition. The LandXML Import dialog opens. Jul 11, 2011 · Veronica, the breaklines should be included in the LandXML file. This command allows you to export all the polylines from the current drawing created using Feature Codes, as LandXML chain objects into a LandXML file. > Pop-up menu > Import (from LandXML) > LandXML File Import Panel; LandXML is a non-proprietary data standard, driven by an industry consortium of partners. Because of the Great Recession, my company is one of the few remaining "brick and mortar" surveying companies in western Colorado, and CDOT and one of their consultants do not want these "brick and mortar" companies to disappear. You will also learn about the different options when importing terrai You can import a terrain model into a DGN to use its data. From the COGO dialog select File > Import > LandXML 1. com/civilIn this video, sample files available from LandXML. Used to create a terrain model element by importing from a LandXML file. It preserved the TINs and break lines also. The screen switches to Import mode allowing you to transfer the data to the appropriate surface. The Select LandXML File dialog opens. LandXML Files (. It doesn't matter if the LandXML file includes points and lines or points and faces or both, it will be re-triangulated based on the points and lines in the first and third cases, and In the Select LandXML File to Import dialog, browse to the LandXML file to be imported, highlight it, and click Open. 1. OpenRoads | OpenSite Forum - OpenRoads Designer Connect, survey, OpenRoads Designer, MicroStation - I'm trying to convert a pickup survey done in ss10 to Openroads Designer. In this tutorial we will show you how to create an InRoads Surface DTM by importing a LandXML file. xml). LandXML Input/Output. But, What Is LandXML? LandXML refers to a file format (. Reading thru a couple Sep 11, 2006 · In the past, I've had to export the . Create Terrain Model from Ascii File Tools for importing and exporting to / from native products (InRoads, GEOPAK and MX) also has tool to create a "civilized" element from generic MicroStation elements. Jun 5, 2009 · Importing and exporting using XML files is the most convenient way to convert, transfer and archive data created in Carlson Software, Land Desktop, Civil 3D, Eagle Point, TerraModel and, I’m sure, other programs. Click Import. xml), select a file, and click Open We linked our legacy settings to the Microstation dgn file, created a template for a surface and breakline TYPE and imported a LandXML file by selecting: File->TerrainModel LandXML->browsed to file and imported surface. Dive into our catalog of courses and master your Bentley software to enhance your work. With regards, Jan Trimble Access help portal . I was able to export and import it using a land xml file, but when I import it into ORD the feature definitions do not display properly. To Paste RTF Text as an OLE Embedded Document into MicroStation ; Pasting Audio Notes. Press the Open button to get the file. These include how to attach raster images and po Mar 8, 2013 · Learn more or request a demo at: carlsonsw. Jul 28, 2009 · LandXML is the standard way to export things like Alignments and Surfaces from Civil 3D in a form that other software can use. Get trimble buisness center and the roads module for trimble access. Oct 8, 2023 · I have Microstation DGN files I need to import into InfraWorks. 1) From the OpenFlows product, choose File > Export > LandXML, then select the location and name, 2) In Civil3D, import the LandXML file. Place a check mark next to the terrain model (s) to import. I have exported my entire project to an XML project (using Land Desktop 2005 with service packs). autodesk. You can import countours as Mesh element. Open a 3D file. MicroStation supports LandXML as DTM format, so if you are able to obtain your DTM as LandXML, it would be easy to import it into MicroStation. If you have a CAD file with the linework you can also import the graphics into the Surface. I close Civil3D and open MicroStation. com/landxml/index. In Civil 3D You need a Subscription Extension to gain access to the civil engineering data translator to be able to import DTM into Civil 3D which I don't have as well, and same problem as I have with Inroads, I can't find anyone else with civil 3D who has a current subscription with the data MicroStation - Import/Export Third Party File Formats - CONNECT Edition - Product: MicroStation Version: CONNECT Environment: NA Area: Interchange Subarea: General File Format Import LandXML to Create a Surface in InRoads V8i In this tutorial we will show you how to create an InRoads Surface DTM by importing a LandXML file.   Basically it hold the points but then How do I convert Civil 3D to MicroStation? How do I create a LandXML File in MicroStation? How do I import LandXML into InRoads? Is TIN a raster or a vector? What is the difference between DEM and TIN? Can Civil 3D import a TIN file? How do you save a file in Civil 3D? How do you make a surface in inroads? Is TIN a vector data? CADDIKT https Ribbon: select File > Import > Exchange File Types > Land XML (*. to another platform. So, if you have data interop installed, you should be able to import the LandXML files.   LandXML seemed like the way to get this done but have come to find out that MicroStation doesn’t hold the triangles created as part of the Civil3d LandXML export. Ie AutoCAD to Microstation. When the LandXML file is selected, the TINs to Import parameter is populated with all the TIN surfaces found in the LandXML file. Place a check mark next to the terrain model(s) to import. Opens the Open Import File dialog which allows you to select the text file from which you can import coordinates. Tools > Point Cloud > Point Clouds will bring up the Point Clouds command or “manager”. Check on Only Active Profiles to export only the active profile associated with the selected alignment. They can be extracted and built into a new TIN with full fidelity. 2 LIDAR XYZ files LIDAR LAS files MicroStation Point Cloud element (Note: This option is available with the V8i SELECTseries 2 products) At this link Data Acquisition you can find videos running through various feature of the Data Acquisition tool. Here’s how: Open MicroStation and open the design file where you want to import the text. All manufacturers can import LandXML files for your surface model. How do I import text into MicroStation? To import text into MicroStation, you can use the “Text” tool. Both Civil 3D and InRoads have the option to both import and export LandXML data, while ArcGIS is able to import the LandXML format but not export surface data from its TIN format to LandXML. pdf - Download as a PDF or view online for free Import / InfraModel file 351 Import / LandXML file 352 Import Jan 2, 2019 · Posting this here in hopes of finding a CAD/Microstation crossover expert. In this tip we will show how to import Lidar Data into Data Acquisition and then export and display the data in InRoads. In the Import LandXML Data dialog box, select the import options. How can a PDF file be imported into MicroStation for further editing in MicroStation? Problem solving. As we can read in MciroStation HELP: Apr 18, 2013 · I've been given 3 dtm surface files that I believe were created in Microstation. dtm that you have? wrote in message news:5325145@discussion. A constrained Delaunay TIN from the LandXML file is created as a constrained Delaunay TIN. + Area: Terrain Question: When creating Select File > Import > Exchange File Types > Land XML (*. The surface is a LandXML file created with microstation. I rushed out that post without reading it. I need to import them into Civil 3d to utilized the legecy surfaces. May 25, 2005 · Hello, I thought I fully understood that LandXML was a way to get Points, Surfaces, Parcels, Alignments, . 2. There is no workaround that I know of. xml) file you want I need some help regarding GIS to Microstation Imports. MicroStation - Import/Export Third Party File Formats - CONNECT Edition - Product: MicroStation Version: CONNECT Environment: NA Area: Interchange Subarea: General File Format Importing MicroStation surface into the software is a two-step process: first exporting the surface into LandXML file format, and then importing it into the software. Sep 28, 2019 · There is one major issue with the transfer of surface data in the LandXML format with ArcGIS. Select a LandXML file to import, and click Open. In the DTM Toolbar, select Utilities > Import LandXML. See Also Feb 5, 2018 · No they won't convert and send the XML's, it's our wonderful provincial government who made the files. For example, if you made strictly 3D polylines for break lines using descriptions such as EP for edge-of-pavement or DL for ditch line, then the 3D polylines can be exported as a LandXML chain In the InRoads V8i (SELECTseries 1) release there is a new tool called Data Acquisition. Terrain models imported from the LandXML file format are supported. As we can read in MciroStation HELP: Feb 25, 2021 · Exporting Alignments to LandXML: Starting in Version 9, you can export one or multiple horizontal alignments: The following options are only available if "Sections" is selected. Select Export to complete the process. When you import a LandXML file into a drawing with different units, the LandXML data is converted to the units in the current DWG. It worked fine for years. 6 –PLS-CADD Manual – topic search •Search bar or “?” in dialogs –TIN Import From LandXML file –Import Break Lines from DXF or SHP Attachment –Material Databases –File/Import –Cable and Criteria files from our website When importing from a LandXML generated by AutoCAD Civil 3D if you are unsure of the units of the LandXML you can try and re-import the same file into AutoCAD Civil 3D. 20. First, the data must be imported into MicroStation’s Point Clouds command. HTH Bob Mecham Learn how terrain models are displayed using Feature Definitions and Element Templates. Notes on Importing into GEOPAK. It's a round-about process, but it gives me the best results. Select in the Toolbox Description Oct 8, 2020 · This thread already has a best answer. It is supported by a range of civil Create a terrain model by importing from an external file. LandXML is a developing standard for transferring some geometric data between software packages. DTM Import - DTM from Land XML (TXML): Allows you to import 3DFACE entities from an XML File and save them as a triangulation (FLT) file and also draw them as 3D faces. What is the best workflow? To import Microstation DGN files representing Civil Objects to InfraWorks: From Microstation, export to LandXML Import LandXML into Civil 3D Export an IMX from Civil 3D Import IMX into InfraWorks If the DGN file represents a 3D model (geometry only) it's possible to directly load the DGN file into Jan 2, 2019 · Posting this here in hopes of finding a CAD/Microstation crossover expert. Options for importing are discussed Click Insert tab Import panel Land XML. We found the best method is to Data shortcut the network into the drawing you want the network and then promote the network. How to import / attach Laz/. las file to MicroStation CONNECT Edition. Since the LandXML Translator does not import triangle faces, the contours may differ from the Civil3D contours. It doesn't work for us because you can't map all the custom structures we use so the import uses different structures. 0 format surface models the boundaries are ignored. Can't import LandXML surface Keta_Engineerin g. dtm or . This functionality was implemented in MicroStation Update 17 as a technology preview.   Basically it hold the points but then How do I convert Civil 3D to MicroStation? Click Output tab Export panel Export Civil 3D Drawing Find. Steps to Accomplish. 0 Only Active Profiles. las file format. Import LandXML into MicroStation V8i (SELECTseries 3) Annotate the Terrain Model Written by Bob Mecham. If desired, enable the Export Profile(s) toggle and select the profile to export to the LandXML file. In the Select LandXML File to Import dialog, browse to the LandXML file to be imported, highlight it, and click Open. LandXML Version 0, 1. Our site CAD-Elearning. I then start up Microstation Inroads session and attempt to import that surface. Apr 2, 2012 · Import LandXML file. XML) file to import and click Open. Jun 30, 2020 · We create all our microstation surfaces in Civil3d then export/import landxml files. Our fix is to just do them in Civil3d. Tools are also supported to merge together two or more models, and to clip models. htm.