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Xref help you to coordinate two drawing
allows us to work on a drawing base, we should not change, such as in the design of transport Pipelining, where required to work with the plan views, but we do not need editing
xref....,e,i ...external reference
using this command we can attach an another drawing for reference in the active working drawing
xref command to show all the plan that are attached in the drawing.
X-ref command is very reliable and helpful interms of time consumption with respect to editing of your base or reference plan. It is very useful from medium scale to large scale projects that composed of multiple discipline drawings....Just edit your base plan in the event of any changes in the design either it is according to client's request, as per site condition or technical issues that involved other disciplines.
You can attach an entire drawing file to the current drawing as a referenced drawing (xref). With xrefs, changes made in the referenced drawing are reflected in the current drawing. Attached xrefs are linked to, but not actually inserted in, another drawing. Any changes to a referenced drawing are displayed in the current drawing when it is opened or reloaded. Therefore, with xrefs you can build drawings without significantly increasing the drawing file size.
its used in importing existing drawing/file
Auto Cad is very useful to all disciplines in Engineering and we can use to handle different types of projects.
What is X-ref command? in what ways it helps in AutoCad?
X-ref is external refrences command. If you enter xref in the command prompet the option of external refrences will display.
In this option you can do these things.
Attach DWG
Attach Image
Attach DWF
You can insert any drawing file by using xref in the current drawing.
You can attach an entire drawing file to the current drawing as a referenced drawing.With xrefs, changes made in the referenced drawing are reflected in the current drawing. Any changes to a referenced drawing are displayed in the current drawing when it is opened or reloaded. Therefore, with xrefs you can build drawings without significantly increasing the drawing file size.
By using referenced drawings, you can
· Coordinate your work with the work of others by referencing other drawings in your drawing to keep up with the changes being made by other designers. You can also assemble a master drawing from component drawings that may undergo changes as a project develops.
· Keep the names of layers, dimensioning styles, text styles, and other named elements in your drawing separate from those in referenced drawings.
· Merge (bind) attached referenced drawings permanently with your current drawing when the project is complete and ready to be archived.
Reference
https://knowledge.autodesk.com/support/autocad/learn-explore/caas/CloudHelp/cloudhelp/2016/ENU/AutoCAD-Core/files/GUID-A987D2FF-45BD-474E-99C1-E6316A42F667-htm.html
X ref means external reference in autocad that means if you are working in drawing you want insert one more drawing file in same drawing this command will use
