Displaying Scanned Seismic (on sections)
Vintage seismic data is sometimes provided as images and scanned sections. Seismic images can be displayed in IL/CL, arbline and 2D section views.
Note: See this page for information on loading culture and other images in the map view.
Import image to a 2D line
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- Open Control Panel > View > 2D Line View and choose a line on which to load the image file. Image will only be visible on this line.
- Right-click inside display area and choose Import culture...
- Select the image file to load.
- The Image Properties window will be displayed.
Configuring the image
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In image properties window, set tie points to correctly place the image in the view.
- Adjust the tie points of the image on the view by dragging the handles to the desired TWT and CMP locations on the 2D line.
- Type the values directly in the Pixel X, Pixel Y, CMP and TWT (ms) columns
- Use Opacity slider to adjust the image transparency.
- Press ESC or close the window when the settings are correct.
Tip: Notice that in the Image Properties window, the 2D line where the image is located is displayed.
Managing images and making changes
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These images are stored in the Culture tab in Control Panel.
- To rename the culture, right-click and select Configure.
- To adjust the culture:
- In the section view, right-click on the image and click Adjust "image_name".
- Move the image by dragging; or
- Scale and skew the image by dragging the handles at the corners.
- In the Culture tab, click on the pencil icon.
- Type the values of the three tie points directly in the Image Properties window or in the Details Panel.
- In the section view, right-click on the image and click Adjust "image_name".
- To complete the editing:
- Click the top right “X” or,
- press Esc key,
- Right click on the View and select Stop Adjusting "image_name".
Removing Images
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To remove an image:
- In the section View, right-click the image and choose Delete "image_name"; or
- In the Control Panel > Culture tab, right click the image and choose Delete "image_name" from project.
Examples
Use scanned seismic sections to continue interpreting a horizon. Because the seismic is an image, the horizon picker should be set to straight-line (unguided) mode. See here for details.
The interpretation will be visible in other views along with the rest of the interpretation.
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