Roman Grinev @grinev

Web Programmer. Panoramic photographer. Aerial photography, panoramic aerial photography.

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The TrueVirtualTours website allows you to place spherical 360° panoramas in an equidistant projection. We take seriously the quality of the panoramas, but at the same time, we allow everyone to upload panoramas, both photographers and professionals. One of our goals is to help novice photographers improve their work by following the best practices in panoramic photography.

The functionality of surveys about the quality of panoramas is designed to help achieve the goals set for the project.

What is a spherical panorama in equidistant projection?

An example of a spherical panorama image file is in equidistant projection. Aspect ratio 2:1.

equidistant projection

Due to the fact that the spherical projection introduces specific distortions in the image (especially in the upper and lower parts), spherical panoramas are almost never shown in printed form or as a regular graphics file. The TrueVirtualTours website allows you to view spherical panoramas in equidistant projection using HTML technologies. The viewer creates an illusion of presence inside the sphere, on the inner surface of which the image of the surrounding space is “stretched”.

How to check whether the loaded panorama is a spherical panorama in equidistant projection?
1. Look at the preview of the panorama.

Check out the panorama preview. The preview should look like an example of a spherical panorama above and not like an ordinary photo. The spherical panorama will contain an image of all 360 degrees around the photographer.

An example of a correct panorama thumbnail in equidistant projection
An example of a correct panorama thumbnail in equidistant projection
Example incorrect thumbnail view of the panorama in equidistant projection
Example incorrect thumbnail view of the panorama in equidistant projection
2. Open panorama in 360° view mode.

Look at what a panorama looks like in a 360° view. Below are examples of images that are not panoramas in equidistant projection.

A regular photo was loaded instead of a panorama.
A regular photo was loaded instead of a panorama.
The panorama is not fully spherical 360x180 in equidistant projection
The panorama is not fully spherical 360x180 in equidistant projection
Instead of a spherical panorama, a cylindrical one was loaded, or there is no zenith-nadir of a spherical panorama
Instead of a spherical panorama, a cylindrical one was loaded, or there is no zenith-nadir of a spherical panorama

We want TrueVirtualTours to publish only 360x180 spherical panoramas, so when answering questions about the quality of panoramas, please consider the information provided here. Best regards

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    John Smith

360° panorama's quality: articles


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In order for the panorama to be placed in the publicly accessible section "3D panoramas" on the website Sferika.rf, it must meet several simple requirements.
Roman Grinev @grinev
This article contains information about the rules for accessing 360° panoramas, articles, and other materials on the TrueVitrualTours website. Here you will also learn about the cost of posting panoramas on the site as well as the income that you can get by placing a 360 ° high-quality panorama
Roman Grinev @grinev

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Are there any elements in your 360 ° panorama that interfere with viewings, such as logos, a tripod, a photographer (if it is not part of the panorama), a shadow or a reflection of a tripod or photographer in a panorama? If so, then this affects the quality of the panorama. Next, we consider examples of unsuccessful examples of extraneous elements in the panorama. By avoiding this you will improve your work!
Roman Grinev @grinev