If you need to convert a geoid to our format, please feel free to contact support@3dflow.net and we will be happy to assist you.
The following downloads are for 3DF Zephyr 7.0 and newer releases. If you are using 3DF Zephyr 6.513 or older, please head to the legacy Geoid download page.
Installation Instructions
Simply pick the “Import from disk” in the geoid selection dialog when converting from/to a coordinate system.
Doing so will open a dialog that will ask you to locate the proper geoid file. Proceed to select the downloaded desired Geoid and Zephyr will do the rest!
We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “OK”, you consent to the use of ALL the cookies. However, you may visit "Custom" to provide a controlled consent.
This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
Cookie
Duration
Description
_GRECAPTCHA
This cookie is setup by the ReCaptcha service by Google to verify that you are a human.
cbc_country_code
The cookie is set by CBC plugin to serve customized language content depending on your country.
cbc_country_name
The cookie is set by CBC plugin to serve customized language content depending on your country.
cookielawinfo-checkbox-analytics
11 months
This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-necessary
11 months
This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
PHPSESSID
Native PHP cookie which enables websites to store serialized state data for the current browsing session.
viewed_cookie_policy
11 months
The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Cookie
Duration
Description
Google Analytics
This website uses multiple cookies set and managed by google.com for its Google Analytics service, which allows us to obtain statistics on which pages are viewed. The data collected and stored by google.com may include information about your location and other anonymized data. More information can be found over https://analytics.google.com/analytics/web/