Tiffany Haney
The pan and zoom tool is a handy way to navigate drawings, images, and videos. In AutoCAD, Adobe Premiere Elements, and ON1, the zoom tool adjusts the magnification of the image or video in the preview window. In AutoCAD, the pan tool changes the view of the drawing while keeping the viewing direction and magnification the same. In Adobe Premiere Elements, the pan and zoom tool follows the 'Z' pattern while detecting and creating sequences for recognized faces. In surveillance, pan-tilt-zoom (PTZ) cameras can be controlled remotely and provide 360-degree coverage, allowing users to focus on suspicious activity and follow it in real-time by adjusting the tilt, zoom, and movement of the camera.
| Characteristics | Values |
|---|---|
| Use | The Pan and Zoom tool is used to create video-like effects in Adobe Premiere Elements. |
| Functionality | It follows the 'Z' pattern while detecting and creating sequences for recognized faces. The 'S' pattern can be selected in the settings. |
| Focus Frames | The tool uses focus frames to identify the location of objects in an image. These frames can be resized and reordered to determine the panning sequence. |
| Remote Access | PTZ cameras can be controlled remotely via computer, tablet, or phone, allowing users to adjust tilt, zoom, and movement. |
| Magnification | The Zoom tool adjusts the magnification of an image, allowing users to zoom in and center the image at a specific location. |
| Navigation | The Pan tool changes the view of a drawing while maintaining the viewing direction and magnification. |
| 3D Model Rotation | The Orbit tool rotates a 3D model around pivot points. |
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Focus frames
For images, the first step is to import the image into the software's timeline. Then, users can select the "Tools" option from the menu bar, followed by "Pan & Zoom". The software will automatically detect faces and focus points, but users can also manually adjust the focus frames. To add a focus frame, double-click on the desired object or area. This will place the new focus frame in the centre of the view area, which can then be dragged and moved as needed.
When working with video clips, the process begins by placing the video on the timeline and marking the starting and ending points of the pan and zoom effect. Users can then access the "Tools" menu and select "Pan & Zoom" to create a new focus frame. This frame can be positioned at the desired location within the video, allowing the software to zoom in on that specific section.
The numbering of focus frames plays a crucial role in determining the panning sequence. The software pans to the objects in the order of their corresponding focus frame numbers. Users can easily rearrange the sequence by moving the focus frame markers in the timeline or by adjusting the position of the frames in the thumbnail strip. Additionally, focus frames can be resized by clicking on the corners and dragging them to the desired size. Incremental zooming is also possible by using the "+" and "-" zoom controls.
Overall, focus frames provide a powerful tool for users to emphasise specific elements within their visual content. By utilising these frames effectively, creators can guide the viewer's attention and enhance the overall impact of their work.
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Panning sequences
The panning sequence is the sequence in which objects are panned into view. The number on focus frames determines the panning sequence. For example, the focus shifts to the object with focus frame 3 after the object with focus frame 2 is panned.
Before applying the pan and zoom effect, you must identify the objects in the image that you want to pan or zoom into using focus frames. Focus frames are resizable rectangles that identify the location of the object in an image. For images with more than three focus frames, only the selected focus frame and the focus frames previous and next to it in the sequence are displayed.
The order of the focus frames can be changed by moving the focus frame markers around in the timeline, based on the sequence in which you want the corresponding focus frames to appear. Changing the position of focus frame markers automatically renumbers the focus frames in the order of their appearance in the timeline. The focus frames can also be moved around in the thumbnail strip.
The Pan and Zoom tool follows the 'Z' pattern while detecting and creating sequences for recognized faces. To follow the 'S' pattern, select the "Reverse Automatic Panning Direction" option in the settings dialog box.
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Zoom controls
In Adobe Premiere Elements, the zoom function can be utilised by selecting the focus frame and moving the mouse over it. Clicking the "+" or "-" zoom controls allows for incremental adjustments to the size of the frame. This provides a precise and controlled method of zooming in or out.
When using AutoCAD, the Zoom tool serves to increase or decrease the magnification of the drawing or viewport. A Windows mouse with a scroll wheel simplifies the process, eliminating the need for buttons. Zooming in is accomplished by rolling the mouse wheel forward, towards the computer, while rolling it backward, towards the user, achieves the opposite effect of zooming out. Additionally, double-clicking the mouse wheel results in "Zoom Extents," which adjusts the view to the extents of the drawing.
For Pan Tilt Zoom (PTZ) cameras, remote access enables users to control the zoom function from a distance using their computer, tablet, or phone. This remote capability enhances surveillance and monitoring capabilities, allowing for adaptable and flexible adjustments to capture crucial details.
The Zoom/Pan tool in ON1 is the default selection when opening an image in the Edit module. It adjusts the magnification of the image in the Preview window. Clicking in the Preview window with the Zoom tool selected results in zooming in and centring the image at the clicked location.
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Navigation panel
The Pan and Zoom tools are useful for navigating images, drawings, diagrams, and models. They are available on various platforms, including Photoshop, AutoCAD, Microsoft Office, and SketchUp.
Photoshop
Photoshop's Navigator panel allows users to zoom and pan images. The panel displays the entire image, with a red outline or view box indicating the section that is currently visible in the main document window. Users can zoom in and out using the slider bar at the bottom of the panel or by clicking on the mountain icons. Clicking inside the view box and dragging it to different spots allows users to pan around the image.
AutoCAD
In AutoCAD, the Pan, Orbit, and Zoom tools are located on the Navigation panel on the View ribbon. If the View ribbon does not include the Navigation panel, it can be activated by right-clicking on an empty part of the ribbon, selecting "Show Panels," and then selecting "Navigate." These tools can also be added to the Quick Access Toolbar.
Microsoft Office
Microsoft Office provides various methods for panning and zooming in diagrams. One way is through the Pan & Zoom window, which can be accessed by clicking "Task Panes" and then "Pan & Zoom" on the View tab in the Show group. Users can create a blue box in the Pan & Zoom window, which indicates the region of the page shown in the drawing window. Moving or resizing this blue box allows for panning and zooming, respectively.
Another method is by using keyboard shortcuts. For example, holding Ctrl and Shift changes the pointer into a magnifying glass, and clicking the left or right mouse button enlarges or reduces the view, respectively. Users can also zoom by scrolling the mouse wheel while holding the Ctrl key.
SketchUp
SketchUp offers the Pan, Orbit, and Zoom tools for navigating 3D models and viewpoints. The Zoom tool is represented by a magnifying glass cursor, and clicking and dragging up or down allows users to zoom in or out, respectively. The Orbit tool rotates the camera viewpoint around the center, which can be activated by clicking and dragging the scroll wheel or using the keyboard shortcut "O." The Pan tool, activated with the keyboard shortcut "H," changes the cursor to a hand icon, and clicking and dragging in any direction moves the viewpoint accordingly.
Tableau
Tableau provides a view toolbar that includes zoom and pan tools. Clicking the "Zoom In" and "Zoom Out" buttons allows users to adjust their view of the data. The toolbar also includes a "Zoom Area" tool, which can be used by clicking and dragging in the view. The Rectangular, Radial, and Lasso tools can be used to select specific areas or marks within the view.
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Remote access
Pan-tilt-zoom (PTZ) cameras can be controlled remotely in a variety of ways. One common method is through a network-connected computer with specific software such as PTZOptics Software or NDI® Tools. This allows users to access all the camera's features, including pan, tilt, and zoom, as if they were physically operating it with an IR remote control. PTZOptics also offers an iOS app called PTZ Control Pro 2, which enables users to view and control cameras from anywhere on their local area network (LAN). Additionally, with cloud-based software like Zoom, users can control PTZ cameras remotely by enabling "Remote PTZ Control" on professional accounts. This feature provides pan, tilt, and zoom controls and requires a USB connection to the camera.
PTZ cameras are often used in remote access scenarios, such as surveillance, video conferencing, and broadcasting events. They can be placed in various locations simultaneously, providing coverage for expansive areas that require a wide range of views. The compact and unobtrusive nature of PTZ cameras makes them ideal for maintaining security without compromising aesthetic value, as seen in their use in churches and other venues. The remote-control capability of PTZ cameras allows for a multi-camera arrangement, revolutionizing television production by enabling producers to manage multiple cameras from a central location.
The remote functionality of PTZ cameras offers several benefits. Firstly, it provides flexibility in camera placement, allowing them to be mounted on walls or ceilings to capture unique perspectives and survey large areas. Secondly, PTZ cameras can be controlled by a single operator, eliminating the need for a camera operator at each individual camera. This feature enhances efficiency and reduces the required staff, as evident in television production facilities. Moreover, the remote access capability of PTZ cameras ensures that they can be operated from anywhere in the world, making them valuable for global projects and collaborations.
In addition to the software and apps mentioned earlier, there are other ways to remotely control PTZ cameras. Smartphones, for instance, can be used to control PTZOptics cameras from anywhere globally. By entering the IP address, users can connect to the camera and utilise its pan, tilt, and zoom functions. This capability extends beyond local area networks, allowing control even when outside the LAN. Furthermore, NDI® Bridge is a software solution that enables users to control their cameras remotely via an internet connection. It supports encrypted data streaming to protect against unwanted intrusions or data theft. With NDI® Bridge, users can access their camera's full capabilities, including PTZ presets and tally information, from any location.
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Frequently asked questions
The Pan and Zoom tool is a feature in Adobe Premiere Elements that allows users to create video-like effects by panning and zooming into selected focus frames.
Before applying the pan and zoom effect, identify the objects in the image that you want to pan or zoom into using focus frames. Focus frames are resizable rectangles that can be added by selecting "New Frame" in the Pan and Zoom tool. The number on the focus frames determines the panning sequence.
To change the panning sequence, you can move the focus frame markers in the timeline or the thumbnail strip. Changing the position of the focus frame markers will automatically renumber the focus frames.
The Zoom tool allows you to adjust the magnification of an image. With the Zoom tool selected, clicking in the Preview window will zoom in and center the image at the selected location.
PTZ cameras can be controlled remotely, allowing users to adjust the camera's tilt, zoom, and movement from a computer, tablet, or phone. This enables users to focus on specific areas, follow live action, and change the camera angle.
