Is it also possible to access the online service "Snow, Wind and Seismic Zoning Maps" digitally via an API or a web service?


Yes, the online service "Snow, Wind and Seismic Zoning Maps" provides in the background a web service for determining site-specific loads without opening the website.

The web service can be used for all load maps from the visible online service and is controlled via a URL address. In this case, an external process (your application) sends a request URL address to our server (Dlubal) and gets back the load information in CSV format. In order to ensure that the process is working, the URL must include all information about the load type, standard, geolocation, display language, and user. The final URL consists of these components.
The load type and standard are defined via the "map" component. The first part describes the load type (for example snow, wind or earthquake) and the 2nd part the standard (for example din-en-1991-1-3).
→ map = snow-din-en-1991-1-3
The geolocation is defined via the component "place" or "position". The "place" option is like the the Search option in the visible online service. The geolocation is defined here by means of search terms, address, etc. The "position" option defines the geolocation by means of GPS coordinates in the format [latitude in °, longitude in °].
→ place = messe, düsseldorf
→ position = 51.2624991,6.735927199999992
The display language of the results is defined by means of the "language" component. The language is defined by an abbreviation (de - German, en - English, etc.)
-> language = en
The identity of the user is defined by using the "login" and "hash" components. The "login" component describes the email address of the user and the "hash" component a hidden password. To be able to log in, the email address must be linked with a valid Dlubal account. The associated "hash" component can be sent by Dlubal upon request.
→ login =
→ hash = xyz
A request URL can finally be generated from these components and sent to our server.
->, düsseldorf&language=en&
After having sent the data, the server returns the requested load information in CSV format.
→ see Figure 1
For unlimited map requests, it is necessary to purchase a Geo-Zone Tool package. This Geo-Zone Tool package includes a certain number of requests. Every map use reduces the number of available requests purchased within the package.
Since the web service is linked with the purchased data package, it is necessary to deal carefully with identity components and request URL with regard to data protection. For example, you have to pay attention not to provide the request URL with identity components to unauthorized third parties.


Load maps Web service API

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