When requesting technical support, you may sometimes be asked to provide a copy of your scream.ini file. There is no restriction on where this file can be placed so this document is intended to help you locate it. Once you know its location, you can simply attach it to an email. Read more...
Scream! uses its own protocol for transmitting seismic data over the Internet. The Network Control window within Scream! lets you manage a seismic array with multiple data sources, using this protocol. Read more...
DM24 and CD24 digitisers have a 1kb memory region which can be used to store information about attached sensors and the digitisers themselves. Users are free to store any data they wish in the digitiser’s information block.
Typically, this is used to store calibration parameters, poles and zeroes, etc. Newer digital sensors have their calibration information pre-loaded into the information block. DM24mk3 instruments use this information to perform their strong motion calculations. Read more...
The Linux build of Scream! is intended to work with many different Linux distributions. For this reason, it does not include any distribution-specific features. It is usually possible to perform a few post-installation steps which improve the integration of Scream! with the host operating system. This document describes how to integrate Scream! into the Ubuntu Dash, which makes it behave more like a Ubuntu-supplied application. Read more...
It is often necessary to install additional libraries in order to run Scream! and the other Güralp linux tools, such as gcf2msd or gcf2sac on 64-bit Linux platforms. The precise details vary between distributions but most will follow either the Debian/Ubuntu model or the Red Hat/Fedora/CentOS model, for which details are given below. Read more...
Scream! allows you to apply filters of your own design to WaveView windows. Each WaveView window can have its own filter settings, either using a preset filter or one you have designed. You can use this feature to view the same data in several frequency ranges at once. Read more...
Scream! allows you to explore seismic waveforms by zooming and scaling, and also has the ability to display time series in physical units. This how-to explains the differences between these features. Read more...
The following procedure creates a shortcut with stored command-line arguments. This makes it easy for you to start Scream with the same arguments every time or, by placing the shortcut in your Start-up folder, to start Scream automatically every time you log on. It is also the simplest way to regularly start Scream with a different initialisation file, which is required if you wish to run more than one copy of Scream simultaneously. Read more...
Scream is designed to work as a robust part of your seismic network. By default, it uses the configuration file scream.ini to set itself up automatically when restarted. However, in certain circumstances you may want to run two or more instances of Scream simultaneously on the same computer, with each instance having a different configuration. Read more...