Cody Casey
If you want to change a pano JPEG to a 2:1 aspect ratio, you can do so by converting it to a 360-degree panorama. This can be achieved by using online tools or software such as Photoshop, which allows you to edit pano images and adjust their aspect ratios. You can also use your smartphone camera to capture a full panorama and then convert it into a 360-degree image using applications like ThingLink. Additionally, consider the image format, as JPEG is a commonly supported format for panoramic images.
| Characteristics | Values |
|---|---|
| How to create a panorama | Take a set of images that cover 360 degrees and use the Spherical Panorama command to wrap the images so they are continuous. |
| How to create a panorama in Photoshop | Use the Photomerge™ command to combine several photographs into one continuous image. |
| How to convert a panorama to a 360-degree image | Shoot a panorama on your phone, upload it via the Create menu, and it will be converted into a 360-degree image. |
| How to adjust tilt or orientation | Use Hugin or Affinity Photo. |
| How to view HDR images as panoramas | Open your 32-bit image, save or convert it to an 8-bit format such as PNG or JPEG, and use the converted image as a panorama. |
| How to save a panoramic image | Choose File>Save Panoramic Image, select the proper format and enter the file name, then click Save. |
| File formats for saving panoramic images | Windows Bitmap (.bmp), JPEG Image Format (.jpeg; .jpg), Photoshop (.psd), Portable Network Graphics (.png), Targa Files (.tga), Tiff Image Format (*.tiff; *.tif). |
| Maximum texture size value | Determined by the browser being used, based on hardware and internal browser settings. Usually 16K (16384x16384 px) for powerful workstations and 8K (8192x8192 px) or below for built-in GPUs or mobile devices. |
| Aspect ratio of a 360-degree panorama | 2:1. |
| How to avoid problems when using Photomerge | Images should overlap by approximately 40%. Maintain camera alignment and viewpoint by using a tripod with a rotating head. Avoid using flash in some pictures and not others. |
| How to reduce "bow-tie" distortion | Display individual images as on an unfolded cylinder. |
| Devices that allow capturing full 360-degree panoramic images in a single take | Ricoh Theta V and Insta360One. |
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What You'll Learn
Using Photoshop
To create a panorama in Photoshop, you will need to have a set of similar images that can be stitched together. It is recommended to shoot the images in portrait orientation, as this captures more vertical information. Overlap the images by about 40% and ensure that your camera is level and that the camera settings remain the same between shots.
Once you have your images, open Photoshop and select File > Automate > Photomerge. In the Photomerge dialog box, add the images you want to use. If you are using images with a fisheye lens, select the Auto layout and Geometric Distortion Correction. If Photoshop cannot identify your lens, you can download the Adobe Lens Profile Creator.
After selecting your images, choose a layout option. Perspective uses the centre image as a reference and fits the other images around it. Cylindrical reduces the "bow-tie" shape that can occur with wide panoramas. Spherical creates 360-degree panoramas and can reduce distortion. Collage rotates or scales the images to fit them together, while Reposition aligns the images without distorting them.
Photoshop will then create a multi-layer image, and you can merge the layers to get a clear, editable image. You can also use the Content-Aware Fill option to fill in any blank areas that are left after merging.
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Using a 360° Panorama Viewer
A 360° panorama viewer allows you to view and share panoramic images. There are various online tools available to view 360° panoramas, such as the Chief Architect 360° Panorama Viewer, 360° Panorama Viewer Online, and Google VR. These tools enable you to upload and showcase your panoramic images seamlessly.
To use a 360° panorama viewer, you will need to provide an image in a supported format. Most viewers support common web formats in 8-bit and 16-bit, including JPEG, PNG, WEBP, AVIF, SVG, BMP, GIF, and APNG. It's important to note that while GIF and APNG formats are supported, they will only display the first frame without playing the animation.
When using a 360° panorama viewer, you can upload your image by clicking or tapping the "Upload Image" button. This will open a standard “Open file” dialog box, allowing you to select the desired image file from your computer or mobile device. After uploading, the image becomes a texture applied to the geometry created by an interactive camera located inside that geometry. This interactive camera allows you to explore the panorama by rotating within the sphere or cube.
Additionally, some viewers offer the ability to generate a shareable URL for your panorama. This feature enables you to showcase your panoramic images anywhere by embedding the viewer directly on your website. These viewers typically work directly in your browser without requiring any plugins, ensuring a smooth and seamless experience. Furthermore, server independence guarantees that all processing occurs on your device, keeping your images secure and private.
When saving your panoramic images, you can choose from various formats, including Windows Bitmap, JPEG, Photoshop, Portable Network Graphics, Targa Files, and Tiff Image Format. If you select JPEG, you can adjust the image quality using the Quality button in the pop-up window.
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Converting to a 360° image
A 360-degree photo is a panoramic image that can be controlled by the viewer to see the original point from which the shot was taken from different angles. To convert a pano JPEG into a 360-degree image, you can use one of the many online tools available.
One such tool is 360 Photo Converter, which is free for personal and commercial use. It can convert any photo into a 360 panorama. For the best results, the photo size should be (x*2 = y), for example, 6000x3000 pixels. You can crop the image after uploading it, and then click submit to download your 360 photo.
Another tool is the 360-degree Panorama Viewer, which supports images in common web formats in 8-bit and 16-bit. You can upload your panoramic image in equirectangular format and instantly view your interactive panorama. You can rotate, zoom, and explore in full screen, and it is compatible with VR headsets and Google Cardboard.
If you want to use a panoramic image to create a 360-degree scene, you can use ThingLink. In your ThingLink profile, go to your main media page, click 'Create', choose 360-degree image, then click 'Pano to 360'. Select your panoramic image and wait for it to upload. Once it's uploaded, the editor will open automatically. To get the best results, you will need a phone with an ultra-wide camera lens.
It's important to note that most panoramic images do not capture the full circle around you. As a result, when the panorama is converted into a 360-degree image, you may notice a blurred seam. The topmost and bottommost parts of the 360-degree image (the zenith and nadir) are replaced with blurred circles as these parts of the image cannot be captured with a panorama.
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Using a phone
Many modern smartphones have a built-in panorama mode in their camera app, which allows you to capture a wide and unbroken view of an area. This includes models from Samsung, iPhone, and Google Pixel.
To access the panorama mode on your phone, open the camera app. Depending on your device, you may need to select 'Mode' or swipe across the screen to choose the panorama option. For a horizontal panorama, hold your phone vertically, and for a vertical panorama, hold your phone horizontally.
Once you have selected the panorama mode, tap the shutter button to start capturing the scene. Move your phone slowly and steadily to capture the desired scene, following the on-screen arrow if there is one. When you are done, tap the shutter button again to finish.
If you have an iPhone, the panorama will automatically save when it is complete. On other devices, you may need to manually select the stop button for the phone to make the necessary adjustments and stitch the images together. You can then view your panorama in your Camera Roll or Photos.
If you want to convert your panorama into a 360-degree image, you can use a third-party app such as ThingLink. Shoot your panorama as usual, then upload it to the app, following the on-screen instructions. For best results, use a phone with an ultra-wide camera lens and export the image to your computer before uploading.
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Using a camera
Creating panoramic images using a camera requires some preparation and the right equipment. Here is a step-by-step guide to help you capture and create stunning panoramas:
Equipment and Settings:
Firstly, you will need a camera with manual settings and a tripod to keep the camera steady. A tripod with a rotating head is ideal, but if your tripod doesn't have this feature, you can mount a levelling base to it. This will help you adjust the camera's position and keep it level. Additionally, consider using a pano rig, which can be mounted to a ball head or directly to the tripod. If your lens has a footplate mount, it is best to mount the lens to the pano rig.
Shutter Speed and Exposure:
The shutter speed is not critical, but it should be fast enough to prevent the light from changing too much between shots. To determine the correct exposure, point the camera at the brightest part of the scene and check the histogram. Push the exposure as far to the right as possible without riding up the right side. This will capture the most detail. You can also turn on the highlight alert for a visual indication of your exposure level.
Taking the Photographs:
When taking the photographs, try to keep the camera in the same position and avoid moving it too much between shots. Use the optical viewfinder and keep the camera close to your eye to maintain a consistent viewpoint. Overlap your images by approximately 40% to ensure the panorama can be assembled effectively. If you are using a zoom lens, you will need to find the no-parallax point for each focal length. Longer lenses may require more distance between the camera and the objects in the scene.
Stitching the Photographs:
Once you have captured your images, you can use software like Photoshop or Lightroom to stitch them together. Select the images you want to include, then choose your desired projection method, such as Spherical, Cylindrical, or Perspective. These programs will blend the images and create a seamless panorama.
Converting to 360° Panoramas:
If you want to convert your panorama into a 360° image, you can use online tools like ThingLink. Upload your panoramic image, typically in JPG or PNG format, and follow the instructions to create a 360° scene. Some smartphone cameras can also capture 360° images using the Panorama mode and an ultra-wide camera lens.
Remember to experiment with different settings and techniques to find what works best for your equipment and the scene you are capturing. With practice, you'll be able to create stunning panoramic images that showcase a full view of your chosen subject.
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Frequently asked questions
A pano JPEG is a panoramic image in a JPEG format.
You can take a panoramic photo by using the panorama mode on your phone's camera. Move your phone slowly to the right, following the on-screen arrow.
You can use a platform such as ThingLink to convert panoramic images to 360-degree photospheres.
You can edit panoramic images using software such as Photoshop, which allows you to fine-tune different areas of the panorama.
