Emilie Meyer
Are you looking to learn how to pan in perspective in Rhino? Rhinoceros 3D modeling software offers panning and orbit functions to manipulate the viewport in the perspective view. The pan command shifts the location of the view camera and target parallel to the view plane. You can pan with the keyboard, using the arrow keys, or by holding the right mouse button.
| Characteristics | Values |
|---|---|
| Command | Shifts the location of the view camera and target parallel to the view plane |
| Default | Holding the right mouse button |
| Keyboard | Pans in steps |
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What You'll Learn
Using the keyboard
To pan in Perspective Rhino using the keyboard, you can use the arrow keys. By default, Rhino pans the camera in the direction of the arrow key you press. However, you can also make Rhino pan the scene by selecting the appropriate checkbox.
Additionally, you can use keyboard shortcuts to pan, zoom, and rotate. These shortcuts can be very handy and can be found under the "View Port Label".
It's worth noting that the perspective viewport allows panning, zooming, and rotating, while the orthographic viewport only permits panning and zooming.
Some users have reported issues with the Right Click + drag function, where it activates the rotate tool instead of the pan command. This issue may be related to mouse hardware and software settings, and it is recommended to check these to perfect your navigation experience.
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Using the mouse
Panning in Rhino can be done in a few different ways, depending on your mouse type and settings.
By default, Rhino pans the camera in the direction of the arrow key you press. However, you can also pan using the mouse. One way to do this is by holding down the right mouse button and dragging. This is the default setting for orbit, but it can also be used for panning by holding down the shift key at the same time.
Some users have reported that the behaviour of the mouse buttons can change, with the right-click + drag sometimes activating the rotate tool instead of the pan command. This may be due to a sticky shift key or other keyboard modifiers. It's important to check your mouse type and software settings, as there are thousands of different PC mouse types and software configurations that can affect Rhino's behaviour.
Another user with a Logitech mouse reported that they were unable to map the view pan function to the middle mouse button, as the Logitech driver did not support this.
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Without changing eye height
When setting up your perspective views in Rhino, it's important to consider how the camera will depict your scene. You can focus on specific elements, such as stairs and passages, or capture a sequence of spatial experiences as you move through a space. A clear understanding of camera shots is essential to effectively revealing these conditions.
To pan in perspective Rhino without changing the eye height, you can adjust the Lens Length of the camera. The Lens Length, also known as the "focal length," determines the angle of view and magnification. A longer focal length results in a narrower angle of view and higher magnification, while a shorter focal length provides a wider angle of view and lower magnification. For example, a lens length of 18mm-35mm is suitable for capturing interiors, while 35mm-50mm is recommended for exteriors.
Additionally, when panning with the keyboard, Rhino pans in steps. The pan step is calculated by multiplying the screen fraction value by the smaller of the two viewport dimensions (height or width) in pixels. By default, Rhino pans in the direction of the arrow key pressed. However, you can select a checkbox to make Rhino pan the scene instead.
It's worth noting that when you pan, zoom, or rotate a view, the scene is dynamically redrawn. With large models, this redraw process can be slow, so Rhino provides options to control the speed and responsiveness of the views. These settings include the number of frames per second for redraw and real-time view synchronization.
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Using the orbit function
The orbit function in Rhino allows users to rotate their view around an object or centre point. By default, the orbit function is activated by holding down the right mouse button. However, some users have stated that they cannot be certain if they have modified the defaults.
To orbit around a specific object, users can select the object, then click the orbit icon, which looks like three egg yolks. This will allow users to orbit around the selected object.
Users can also orbit around all three axes by right-clicking in a normal, perspective window. However, this method can be very sensitive, and the horizon plane may become skewed.
Another way to orbit in Rhino is by using the "Dominant" option in the 3DConnexion plug-in. This option allows users to move all axes simultaneously or move one dominant axis at a time.
Additionally, users can use keyboard shortcuts to orbit and pan. For example, the standard "right-click-drag" rotates around the view centre, while "ctl-shift-right-click-drag" rotates around an object.
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Shifting the location of the view camera
Another way to shift the camera location is to use the command line. Typing -ViewCaptureToFile will allow you to set options for the image, such as width, height, scale, and whether to include the grid and world axis. You can also use the command "OrientCameraToSrf" and select the surface you want the camera to face.
Additionally, you can use the Set Camera function in the drop-down menu next to the "Perspective" viewport. From here, you can choose Place Camera and Target and specify the camera and target points to shift the camera location.
It's important to note that the lens length of the camera also affects the view. The lens length is equal to the focal length, which determines the angle of view and magnification. A longer focal length results in a narrower angle of view and higher magnification, while a shorter focal length gives a wider angle and lower magnification. Adjusting the lens length can be done in the properties window.
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Frequently asked questions
The pan command shifts the location of the view camera and target parallel to the view plane. By default, you can pan the camera in the direction of the arrow key you press. Alternatively, the default for orbit is holding the right mouse button, and shift right mouse button for pan.
Yes, by selecting the appropriate checkbox in the global options, you can make Rhino pan the scene instead.
Yes, the keyboard pan behaviour can be controlled in the global options under "View Pan". Here, you can define the step size for panning with the keyboard.
To reverse the default zoom direction of the mouse scroll wheel and the Page Up and Page Down keys, set the zoom step size higher than 1.
