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CAD Import

This module enables you to import CAD models to ZEN software and create overlay images with microscope images.

Importing a CAD Model

  1. You are in Free Mode.
  1. In the workbench bar, click Edit.
  2. The Edit Free Mode dialog opens.
  3. Select the category Utilities and add the desired acquisition workbench type to the workbench bar, e.g. 2D Acquisition.
  4. To save your workbench selection, click Confirm Setup.
  5. The CAD Import workbench is displayed.
  6. In the CAD File tool, click .
  7. Select a CAD file (*.brep, *.step, *.iges, *.dxf) from the file system and click Open.
  1. The CAD model is displayed in the image area. To change the view or display of the image, use the CAD Viewer tool. There you can also create a 2D image of the imported CAD model for further processing, e.g. measurements or overlay images. Note that only 2D views of the CAD models are supported.
Imported CAD model (2D view)
Imported CAD model (2D view)

Creating an Overlay Image

  1. You are in Free Mode.
  2. You have imported a CAD model and created a 2D image, see Importing a CAD Model.
  3. You have acquired a microscope image from the sample which is displayed in the CAD model.
  1. Load the Reference Image. Usually this will be the CAD image or file.
  2. Below the image area you will see an image browser. Make sure that the image (microscope image) is already loaded and displayed in the browser.
  3. Double-click (or Drag & Drop) the microscope image in the image browser.
  4. The image will be loaded to the Image List and automatically displayed as overlay image in the image area.
  5. Adapt the microscope image to fit the reference image. You can adapt (turning, resizing, dragging) the image by clicking on it (image frame with several handles will be visible).
  6. When you are satisfied with the positioning click Create Overlay Image.
  1. The overlay image will be created and is available in the image list (right side). Do not forget to save the image via right-click / Save As... function.
CAD Overlay Image
CAD Overlay Image

Load CAD Tool

Using this tool you can import CAD data or images from the file system. To import a file, click on the Open icon (...) and select the desired file. If you click on Load, the CAD file will be imported.

The following CAD file formats can be imported:

  • AutoCAD files (*.dwg, *.dfx)
  • Pro/E files (*.drw)
  • BREP files (*.brep, *.rle)
  • STEP files (*.stp, *.step)
  • IGES files (*.igs, *.iges)

CAD Viewer Tool

Parameter

Description

Viewing Direction

Here you can set different (2D) viewing directions for the CAD image (e.g. Front, Left, Right, etc.). By selecting another entry from the list, the display of the CAD image will automatically change in the image area.

Note that right now only 2D views are supported.

Mode

Here you can select the display of the CAD image.

-

Shading

Fills the CAD image and applies smooth shading.

-

Wireframe

Displays the wireframe of the CAD image.

Zoom

Here you adjust the zoom factor of the CAD image. If you click on Reset View, the initial view is restored.

Export Size

Here you can select the size of the export image. If you click on Apply, the current view of the CAD image will be exported.

Note that the proportion width and height of the image remains the same as shown in the current view.

-

Small

The maximal side length of the resulting image is set to 1000 pixel.

-

Medium

The maximal side length of the resulting image is set to 2000 pixel.

-

Large

The maximal side length of the resulting image is set to 3000 pixel.

CAD Overlay Tool

Parameter

Description

Reference Image

Here you can select the reference image which will be used for the background of the overlay image. We recommend to use the image that shows a larger area than the reference image.

Lock/Unlock Reference Image

If you click on the small dot next to the reference image, you can lock the reference image from editing.

Image List

The image list shows all images which can be used for the overlay image. To add an image to the list, double-click on the image in the image browser under the image area.

Create Overlay Image button

If you click on this button, the overlay image will be generated.

CAD Import Workbench

This workbench enables you to import CAD data or images. Furthermore, you can view the 3D models in different 2D views for further processing, e.g. for measurements or overlay images.

CAD Overlay Workbench

This workbench enables you to create overlay images using the CAD image on the one hand and an acquired microscope image on the other hand.

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