What is the difference between attachment and overlay in autocad?

Attachment: Saves a copy of the xref drawing in your drawing. Overlay: Creates a link to the xref drawing in your drawing.

What is an overlay in AutoCAD?

External references, or xrefs, are files brought into AutoCAD drawings as attachments or overlays. The option to overlay or attach an xref is available under the Reference Type section of the Attach External Reference menu in AutoCAD.

How do you overlay images in AutoCAD?

To Work With Overlays

1. Click Insert tab Reference panel Attach. …
2. In the Select Reference File dialog box, select the file you want to attach and click Open.
3. In the Attach External Reference dialog box, under Reference Type, select Overlay.

What is the difference between BIND and insert in AutoCAD?

“Bind converts the objects in the xref into a block reference. Named object definitions are added to the current drawing with a prefix of blockname $n$, where n is a number starting at 0.” “Insert also converts the objects in the xref into a block reference.

How do you change xref from attach to overlay?

Switch the Xref Type to Be an Attachment or an Overlay

1. Click Insert tab Reference Panel Find .
2. In the External References palette, File References panel, change the type using one of these methods: To change a single reference: In the Type column, double-click the cell to toggle between Overlay and Attach.

What is the difference between attachment and overlay in Revit?

When linking a Revit model, Revit gives two options: Attach or Overlay. This defines the visibility of nested models (models linked to the link) in the main model. Attachment loads nested linked models and displays them in the project, Overlay only loads the linked model (and not the ones linked into it).

How do you overlay AutoCAD in Google Earth?

Importing and Exporting

1. Step 1: Select the “Import KML” command and choose the desired file.
2. Step 2: The information contained in the KML file is brought into your AutoCAD drawing.
3. Step 1: Select the “Publish to Google Earth” command.
4. Step 2: Choose the appropriate coordinate trasformation method.

How do you overlay a drawing?

To add a specific region of a drawing instead of the entire page, go to Document > Overlay Pages > Modify. From the dialog box, click Select Region and click and drag your mouse across the area of the drawing that you want to include in the overlay. Click OK.

How do you make an image transparent in AutoCAD?

To Make an Image Transparent

1. Add the raster to AutoCAD Map 3D toolset. …
2. Right-click the layer containing the image and choose Save Layer. …
3. Open the resulting . …
4. Just under the <FeatureName> entry, add the opacity setting, using the following syntax: …
5. Save the .

What is a superimposed image?

In graphics, superimposition is the placement of an image or video on top of an already-existing image or video, usually to add to the overall image effect, but also sometimes to conceal something (such as when a different face is superimposed over the original face in a photograph).

Can you bind images in AutoCAD?

The right way is to attach the image with relative path (or non, if the image is in tge same folder). … The perfect way: Use command etransmit for all external stuff like fonts images other xrefs plotstyletable.. The only way to paste an image as content to dwg is to insert it as embedded OLE object.

Can you explode an xref?

You cannot explode an xref, however, you can explode a block. First convert the xref into a block by binding it to the drawing then explode it.

How do I permanently attach an xref in AutoCAD?

To Bind an Xref to the Current Drawing

1. Click Insert tab Reference panel Dialog box launcher. Find.
2. In the External References palette, select the reference name that you want to bind.
3. Right-click, and click Bind.
4. In the Bind Xrefs dialog box, select one of the following options: …
5. Click OK to close each dialog box.

What does xref mean?

External Reference

What is XREF file in AutoCAD?

In AutoCAD, you can import drawings in a way that keeps imported drawings independent of current drawings. This type of file is called an external reference or Xref. … Since an Xref does not become part of drawing database, it helps in keeping the file size of the current drawing small as well.

How do you insert xrefs in AutoCAD?

To Bind an Xref to the Current Drawing

1. Click Insert tab Reference panel Dialog box launcher. Find.
2. In the External References palette, select the reference name that you want to bind.
3. Right-click, and click Bind.
4. In the Bind Xrefs dialog box, select one of the following options: …
5. Click OK to close each dialog box.