This thesis aims to provide public science dissemination of space weather data by integrating a space weather analysis system used by experts in the field into an interactive visualization software called OpenSpace; designed to visualize the entire known Universe. Data and images from complex space weather models were processed and used as textures on different surface geometries, which are then positioned, oriented and scaled correctly relative other planets in the solar system. The obtained results were within the goals of the thesis and has successfully incorporated several features that will help understanding of space weather phenomena.

Visualization is an important tool for presenting data to humans in an easy-to-understand manner. With new radar technology in development that can gather 3D atmosphere data, it opens up new possibilities for using 3D visualization tools to visualize the data, e.g, OpenSpace. OpenSpace is an open-source tool for visualization of the cosmos and universe. An evaluation of different rendering methods inside OpenSpace is evaluated to answer which method is most suitable for visualizing atmospheric 3D data. The data is in the format of HDF5 files and contains a list of beams with samples scattered along the beams, an algorithm is implemented to transform the beam data into a 3D volume which is used inside OpenSpace to be rendered. Tests are implemented to gather information on which parameter in the algorithm affects CPU execution time the most. The tests consist of executing the algorithm 100 times with different combinations of parameters to see which parameter has the largest effect on execution time, and a complexity analysis is calculated to evaluate the complexity of the algorithm. The results of the tests shows that the height of the volume affects execution performance the most on larger sizes. On small sizes, the difference between the different dimensions are insignificant. With the combination of height and smoothing, it slowed the execution time by a larger margin compared to width and smoothing or depth and smoothing. By implementing Volumetric ray casting and Point clouds as rendering methods, the results showed that both can visualize the data in real-time. Volumetric ray casting rendered with a clearer result in comparison to Point clouds, thus, Volumetric ray-casting is the preferred method to use when rendering atmospheric 3D volumes that is able to meet certain criteria.

This master thesis project is interdisciplinary between the fields of biology, visualization, and astrophysics. The project was conducted at the American Museum of Natural History in New York in collaboration with researchers from Basel, Switzerland. The goal of the project was to, with the help of OpenSpace, visualize and map the relation- ship between animal species by looking closely at their DNA and commuting the informa- tion to the general public. First, Openspace and the software’s existing functionality were examined to visualize the datasets used during the project. The two datasets explored in OpenSpace were: a cloud-based dataset known as The Barcode of Life Data (BOLD) Sys- tem, which contains 1.1 million DNA barcodes, and a dataset containing differences in human DNA to track human emigration. This project is the first time Openspace has been used to visualize fields other than space. As a starting point, the group of primates from the BOLD dataset was visualized. With the help of researchers in Switzerland, the indi- vidual DNA barcodes in the datasets were converted into three-dimensional positions that represent the relationship between species. This was achieved by applying dimensional- ity reduction techniques. In addition, various features were added to the dataset during the project, such as lineage, mutations, consensus sequences, endangered species, human emigration, and measures of polymorphism within species. With the help of Openspace, different visualization techniques could be investigated to visualize the different features in the two datasets and combine these visualizations into a story. The result is a story that highlights information from the dataset. The relationships between species are visualized using colors, glyphs, and volumes. The story takes an audience on a journey from the closest human relatives to the whole group of primates. The results were evaluated through interviews with four people to determine how the visualizations were interpreted. Further development of the project is to add other animal species in the visualizations to compare with the primates in the three-dimensional information space. A future goal of the project is to create a show about the subject of biology at the Hayden Planetarium at the Natural History Museum, which today has shows about space. / <p>Examensarbetet är utfört vid Institutionen för teknik och naturvetenskap (ITN) vid Tekniska fakulteten, Linköpings universitet</p>

The subject of this thesis is to create a project documentation of the design of a new office building construction in Fulnek – Jerlochovice. The building is located between residential and industrial zone. It has three aboveground levels. There is a technical backgroud, toilets, archive, rest zone for employees and two openspace offices located on the ground floor. The second floor is designed on the same basis. There are two openspace offices situated on the west side, background for company managment, toilets and day room with kitchen. The third floor is designed as conference room with kitchen and toilets. Construction system is cast-in-place concrete frame. The building is roofed with the flat roof. Foundations are made of one-stage concrete footing.

This report presents the development and implementation of a graphical user interface (GUI) for multi-touch displays as well as an application programming interface (API) for guided storytelling of astronomical visualizations. The GUI and the API is built using web technologies and the GUI is rendered in an OpenGL environment. The API is meant to provide the infrastructure needed to create different stories for the public, based on astronomical data. Both the resulting GUI and the API is developed such that it can be further developed and customized for different purposes.

In this report, the development and implementation of a desktop user interface framework is presented. It is built using web technologies and the Javascript framework React together with a web socket server to render the graphical user interface in an OpenGL environment. This is done by using the open-source framework Chromium Embedded Framework (CEF). The resulting framework and implementation has proven successful, with promising results both from a performance perspective and from a development rapidness perspective.

This thesis aimed to create a messaging protocol for OpenSpace to interoperate with other astronomy software. The goal was to create a messaging standard that was not language-dependent and could be implemented by any astronomy software. To establish an asynchronous communication between OpenSpace and connected software, the Transmission Control Protocol (TCP), threading, and Peer-To-Peer (P2P) were the techniques mainly used. TCP was used to achieve reliable communication between software connected to the network. The enabling of two-way communication was solved by threading. P2P was used as a network communication architecture to share resources between the connected software. By using Unicode characters expressed through UTF-8, the Unicode Standard was used to encode messages sent. The messages are structured by combinations of different sizes of bytes and are sent and received as binary strings. All messages contain a header and the data being sent. Different message types were created to specify which type of data is sent. The protocol works primarily between OpenSpace and Glue but is not limited to these software. The implementation serves as the basis of the messaging protocol for OpenSpace, where Glue represents future software integrations.

The thesis compares two different methods for tracking and moving field lines. The first method included tracing one field line and moving each individual vertex along its own path with path following. The second method was done by tracing new field lines and using linear interpolation to move the field lines. The results show that the first method was incapable of rendering the field lines correctly due to the complexity and non-linearity of Earth's magnetic field. While it was successful at animating the initial motion of the field lines, it was not able to demonstrate the field line's change in topology. The second method was able to solve this issue, correctly visualizing field lines in motion, including changes in topology. However, the solution is limited in that it assumes that the vector field is static, which is not the case. To improve the visualization, a method for tracing and tracking field lines through multiple datasets is required. / <p>Examensarbetet är utfört vid Institutionen för teknik och naturvetenskap (ITN) vid Tekniska fakulteten, Linköpings universitet</p>

This thesis presents how a solution to fetch and stream a video feed from the astrovisualization software OpenSpace to a web page can be designed. The streaming protocol that was used was WebRTC. Three different methods for fetching data and creating a video feed were investigated: WebRTC, Spout, and GStreamer. Through user tests, the GStreamer method was determined to be the best option for the streaming solution. / <p>Examensarbetet är utfört vid Institutionen för teknik och naturvetenskap (ITN) vid Tekniska fakulteten, Linköpings universitet</p>

OpenSpace is an interactive data visualization software system that portrays the entire known universe in a 3D simulation. Current navigation interface requires explanations, which prohibits OpenSpace to be displayed effectively in public exhibitions. Research has been shown that using large tangible touch surfaces with a multi-touch navigation interface is more engaging to users than mouse and keyboard as well as enhances the understanding of navigation control, thus decreasing the required instructions to learn the systems user interface. This thesis shows that combining a velocity-based interaction model together with a screen-space direct-manipulation formulation produces a user-friendly interface. Giving the user precise control of objects and efficient travels in between in the vastness of space. This thesis presents the work of integrating a multi-touch navigation interface with a combined formulation of velocity-based interaction and screen-space direct-manipulation into the software framework OpenSpace.