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Volume 34 (2014)
- Issue 135 Pages 3-
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Volume 34, Issue 135
Displaying 1-6 of 6 articles from this issue
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Reviews
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Daisuke MATSUOKA, Shintaro KAWAHARA2014 Volume 34 Issue 135 Pages 3
Published: 2014
Released on J-STAGE: October 01, 2015
JOURNAL FREE ACCESSDownload PDF (182K) -
Fusako ISODA, Shinsuke SATOH, Hiroshi HANADO, Nobuhiro TAKAHASHI, Fumi ...2014 Volume 34 Issue 135 Pages 4-9
Published: 2014
Released on J-STAGE: October 01, 2015
JOURNAL FREE ACCESS
Supplementary materialThe phased-array weather radar was developed to detect sudden and local meteorological phenomena such as localized heavy rainfalls and tornados which cause disaster. The radar can observe complete three-dimensional rainfall and Doppler velocity within a 60 km radius in each 30 seconds whereas the conventional radars need 5 minutes for a set of volume scans. The three-dimensional rainfall data are visualized in three-dimensional picture using methods of the isosurface expression, volume rendering, and vertical slice surface and so on. The details of an evolution of a heavy rainfall are become clear with high temporal and spatial resolution radar data. Also the fine structure of a rain band is expressed clearly. The visualization of the Doppler velocity is tried. Such visualizations are considered to be effective in the detection and the prediction of unexpected weather disasters.View full abstractDownload PDF (1575K) -
Masaya KATO2014 Volume 34 Issue 135 Pages 10-15
Published: 2014
Released on J-STAGE: October 01, 2015
JOURNAL FREE ACCESS
Supplementary materialLightning simulation has been developed at Hydrospheric Atmospheric Research Center, Nagoya Unversity. It consists of noninductive charge generation, lightning discharge, and charge neutrization. Graupel and ice have an important role for the charge generation. It is very helpful to make use of a three dimensional image to evaluate three dimensional structures of each hydrometer and net charge density. POV-Ray is one of the powerful software to create three dimensional images. Three dimensional image of lightning simulation results shows a triple-pole structure of net charge density. The lightning discharge point exists the boundary between the upper positive and the middle negative charge region. Stereovision image shows more detailed three dimensional structures of hydrometers and discharging paths.View full abstractDownload PDF (1217K) -
Naoki ARAI2014 Volume 34 Issue 135 Pages 16-21
Published: 2014
Released on J-STAGE: October 01, 2015
JOURNAL FREE ACCESS
Supplementary materialToday, various types of weather data are available. Almost all of these data are presented to users in two dimensional forms. We are developing AWvis, Aviation Weather Data Visualization Tool that can display weather phenomena and aircraft in a three dimensional space. AWvis offers meteorological images such as wind, temperature, humidity, dew point, equivalent potential temperature and jet stream.View full abstractDownload PDF (4715K) -
Shintaro KAWAHARA2014 Volume 34 Issue 135 Pages 22-27
Published: 2014
Released on J-STAGE: October 01, 2015
JOURNAL FREE ACCESS
Supplementary materialA volume visualization software tool for Google Earth, called VDVGE, has been developed in EXTRAWING project. VDVGE visualizes a three-dimensional scalar field dataset obtained by a computer simulation or an observation and generates a content dataset in the data format suitable for Google Earth. Volume representation on Google Earth realize by laminating surfaces with slice images that are generated from input data. This is described using KML format with COLLADA that is loadable on Google Earth. VDVGE exports a content file that contains the volume representation on Google Earth by simple operations using GUI. In this paper, we introduce VDVGE and some visualization results of the geoenvironmental fluid data.View full abstractDownload PDF (2919K) -
Yosuke ONOUE, Naohisa SAKAMOTO, Koji KOYAMADA2014 Volume 34 Issue 135 Pages 28-33
Published: 2014
Released on J-STAGE: October 01, 2015
JOURNAL FREE ACCESS
Supplementary materialIn this study, we developed a visual analysis environment that allows various stakeholders to participate in habitat suitability index (HSI) modeling. HSI model quantitatively evaluates suitability of the earth environment for habitat of the target species. HSI model is developed by the specialists of biology with statistical analysis tools generally. However, participation of various stakeholders such as fishermen is important not only for improving accuracy of the model but also for formulating implicit knowledge of the target species. User interface of the visual analysis environment developed in this study was designed that allow various stakeholders to participate. Therefore, the visual analysis environment is optimized to run on the tablet devices. Stakeholders can develop an HSI model interactively with analyzing relation between ocean environment and fish catches using both geometric and variable views with our visual analysis environment.View full abstractDownload PDF (835K)
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