Opening a HOR File

The HOR file type is primarily associated with RADIANCE.

HOR	File extension: HOR
	File type:	data file

What is a HOR file

HOR files mostly belong to RADIANCE.

An HOR file holds specialized data in different fields. In its primary use, it is a solar horizon data file that stores measurements of horizon obstructions. This data helps simulation tools model shading effects and sun exposure for photovoltaic and solar design analyses.
Other variants include:

Astrology Horoscope Data: These files record astrological chart details such as planetary positions and time data. They are used by horoscope programs. More info is available at astro.com.
Geomagnetic Data: Some HOR files follow the IAGA-2002 standard to log one-minute geomagnetic measurements. Such files support earth magnetism studies, as detailed by INTERMAGNET.

FilExt.com notes: For the horizon data version, use specialized software like RADIANCE or tools from Solargis (Solargis). Often, these files are stored as plain text. Opening them with a text editor may reveal header information indicating which format you have. Always opt for the dedicated application to correctly view and analyze the content.

How do you open HOR files?

You need a suitable software like RADIANCE to open a HOR file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HOR file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HOR file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HOR Text Viewer

Choose your .hor file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert HOR files:

RADIANCE
See the previous paragraphs to learn more about the main application. HOR files are often referred to as RADIANCE data files because this type of file is primarily created or used by this software.
Horoscope
Associate program: WINHORO.EXE

HOR format details:

The file format determines how the data is stored in the file. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Our evaluation of the HOR files is as follows:

HOR is not a common file extension and includes very many different file formats. The two most popular formats are as follows:

15% of all HOR files start with the bytes -180, which are crucial for this file format. These files are not pure binary files and are therefore readable and interpretable with a text editor. The average file size is 2 KB with most files being between 420 bytes and 2 KB in size. The files contain the following words: -180 1. The following filename is common: dtmh_31_-110.hor.
15% of all HOR files start with the bytes lat:, which are crucial for this file format. These files are not pure binary files and are therefore readable and interpretable with a text editor. The average file size is 1 KB with most files being between 510 bytes and 6 KB in size. The keywords exported by solargis, info, lng, -157.5, -172.5 and -175.5 are typical for these files. These files are often associated with horizon and solargis.

All other HOR files (70%) have different formats, often e.g. UTF-8, PLACIDUS and Format. Files like these are sometimes linked to dhor or horizont. You can get all the details of your HOR file by dragging it onto this page or by clicking the button "Choose your .hor file to analyze" above.

Technical Data for HOR File Extension

File classification:

Data

Related files:

rad, sky, sol, ast, horf, dat

a hor data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with HOR files

Associate the HOR file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest HOR file format. Search, therefore, e.g. on the manufacturer website after an available RADIANCE update.
To make sure that your HOR file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .HOR file online - secure, fast, and no downloads needed.