AutoCAD preview extension
The AutoCAD previewer allows users to perform basic operations like zooming in and out, rotating, showing/hiding layers, and printing. The AutoCAD preview extension allows viewing AutoCAD files using SVG and JavaScript to display and manipulate graphics.
Toolbar
Section titled “Toolbar”

| Feature | Description | |
|---|---|---|
| Change Icon Page | Allows you to change to the previous or next icon page. | |
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Layer List | List of layers in the drawing. |
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Print the document. | |
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Zoom In | Zooms in. |
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Zoom Out | Zooms out. |
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Zoom Extents | Allows you to move the zoom-in zone. |
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Zoom Window | Allows you to draw a window to zoom in. |
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Toggle Black/White | Allows you to toggle black-and-white colors in the drawing. |
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Background Color | Allows you to select a specific color for the background of the drawing. |
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File Load | Not implemented yet. |
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Search Text | Allows you to search for an individual text string in the drawing. |
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About | Information about the CADViewer JS version. |
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Layer Off | Turns the layer off. |
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Swap Layers | Allows you to swap between layers. |
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All Layers On | Turns all layers on. |
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Measurement | Allows you to select two points in the drawing to measure the distance between them. Measurement needs to be calibrated first. |
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Calibrate Measurement | Allows you to calibrate measurements to define units of measure in the drawing. |
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Toggle Birds-Eye Window | Opens the bird’s-eye window. |
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Adjust Line Thickness | Adjusts the line thickness in the drawing. |
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Save Redline | Saves current red lines. |
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Load Redline | Allows you to load previously saved red lines. |
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Delete Single Redline | Allows you to delete a single red line by selecting it in the drawing. |
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Delete Last Redline | Deletes the last red line. |
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Redline Color | Allows you to change the color of the red line. |
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Redline Thickness | Allows you to change the thickness of the red line. |
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Make Sticky Note | Allows you to insert a sticky note. |
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Clear Visible Redlines | Clears all visible red lines. |
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Freehand Redline | Allows you to insert a freehand red line. |
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Redline Cloud | Allows you to insert a red line with a cloud shape. |
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Redline Filled Polygon | Allows you to insert a red line with a filled polygon shape. |
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Redline Polyline | Allows you to insert a red line with a polyline shape. |
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Redline Filled Rectangle | Allows you to insert a red line with a filled rectangle shape. |
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Redline Rectangle | Allows you to insert a rectangular red line. |
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Redline Arrow | Allows you to insert a red line with an arrow. |
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Redline Text | Allows you to write text and select where to place it in the drawing. |
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Zoom Extents | Allows you to move the zoom-in zone. |
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Zoom Window | Allows you to draw a window to zoom in. |

| Feature | Description | |
|---|---|---|
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First Page | Go to the first page in the drawing. |
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Previous Page | Go to the previous page in the drawing. |
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Next Page | Go to the next page in the drawing. |
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Last Page | Go to the last page in the drawing. |
Default preview
Section titled “Default preview”





































