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1、IDL遥感应用SeaDAS SeaWiFS 数据分析系统NASA/Goddard Space Flight Center Real ApplicationSeaDAS 软件处理 SeaWiFS数据数据 参变量参变量:- 水体辐射亮度- 气溶胶辐射度- 有色物质浓度- 叶绿素浓度- 浅水- 逆向水体辐射亮度- 漫射光- 云或者冰 等等.SeaDAS 软件 用于 SeaWiFS数据数据 AVHRR-NOAA - Venezuela SST = 水体表面温度Real ApplicationAVHRR - NOAA Venezuela2024/7/207ENVI is Ready for TERRAA
2、nd in 2001 AQUA!MODIS 也同样服务于海洋学领域MODIS的36个不同波长通道中包含一些以前从未采集过的数据。这些数据包括大量新的海洋和大气数据信息，而这些信息以前并没有从全球的角度进行过分析处理，它将对所有的研究机构全面开放。 MODIS的海洋产品包括三大系列：海水颜色、海水表面温度和海洋初级产品。增益后的大气数据将对于海洋信号中的大气校正有着更好的结果。它们将用于调查研究海洋环境、海水循环、海洋生物和包括海水中碳循环的海洋化学。 Instantaneous Photosynthetically Available RadiationJuly 2-3, 1998SeaWiF
3、S radiances processed through MODIS algorithms (K. Carder)Data acknowledgement: SeaWiFS Project & Goddard DAAC, NASA/GSFCProcessing acknowledgement: University of Miami/RSMAS迈阿密大学的 Dr. Ed Kearns和 Dr. Bob Evans处理的影像开发海洋学应用的私人公司. 通过GPS 定位,用户获得来自海洋的海岸虚拟影像.也可以配合2D 和多媒体数据使用.可应用于海上搜救. Cetemar -西班牙Cetemar
4、- 西班牙VADO海洋学数据的可视化及分析海洋学数据的可视化及分析海洋科学研究院 巴塞罗那西班牙Real ApplicationVADO 计划能够提供例如温度、盐度等物理参数的数能够提供例如温度、盐度等物理参数的数据库，该数据来自于船用据库，该数据来自于船用CTD剖面仪。剖面仪。未来计划未来计划: 融入生物地球化学的数据融入生物地球化学的数据 兼容例如锚泊、浮标等其他设备的数据兼容例如锚泊、浮标等其他设备的数据国家环境卫星数据和信息服务中心 (NESDIS) 厄尔尼诺现象分析厄尔尼诺现象分析ProblemNeeded up-to-date, accurate information for t
5、he National Hurricane Center and other organizations predicting global weather patternsSolutionData from a geostationary and polar orbiting satellite are collected and twice weekly analyzed with IDL programs and produce mapped images of SST (sea surface temp) anomalies BenefitNavigating safe courses
6、 for shipsFishing industry use the reports for where the sought-after fish will most likely beFarmers receive long-term predictions to decide on crop rotations, etc. ”IDL is the driving force behind our web-based graphics by using it, we quickly get accurate climatory averages at the desired grid po
7、ints. Chris Duda,Physical Scientist遥感和环境中心 (CRSEO) ProblemCRSEOs group mission is collection and analysis of data from space sensors and instruments carried on ships for ocean experimentsSolutionEnlisted Terry Figel at the University of California to develop graphical user interfaces that make data
8、easily accessible to scientist at CRSEOFigel recommends IDL because of the built-in mapping capabilities and because the scientists needed both numerical and visual solutions to their problems BenefitEasy-to-use application that allows the scientists to navigate the large amount of data being collec
9、tedUSING FORTRAN: “ there were far too many loops, so IDL was much faster.” Terry Figel,University of California 空间气象局 天气预报应用天气预报应用 (SIDAS)ProblemThe SIDAS application, Satellite Image Display and Analysis System, needed to be updated from a competitors software in which the application was original
10、ly writtenCompetitors software was not being enhanced to keep up with the customers needsSolutionAFWA hired RSIs Professional Services Group (PSG) to reengineer their (SIDAS) application using IDL AFWA purchases site-wide IDL licenseBenefitSIDAS application is updated with IDLs advanced functionalit
11、y AFWA personnel more productive through the site-wide licensing of IDLAFWA gathers satellite imagery as well as ground- and air-based observations. They combine this information with numerical forecast modeling into forecast maps that they distribute to the field. NOAA与与RSI公司签署了公司签署了IDL license使用协议
12、使用协议 ProblemSome members of the research teams were not able to access the needed applications built in IDLSolutionNOAA purchases site-wide license BenefitHigher productivity Better communicationsLower cost per userLicensing issues eliminated IPS Radio 澳大利亚空间预报中心澳大利亚空间预报中心ProblemNeed to monitor and
13、report on Solar activity that could potentially cause damage to satellites, and interfere with radio and telephone signalsSolutionUsed IDL to read, monitor, analyze, and report data results 24/7 via IPS Radio web siteBenefitAccurate forecastingTimely reporting Damage to satellites minimizedInterfere
14、nce to communication signals minimized HF Radio Target Location Hourly UpdatesSolar Activity Level地理信息分析及环境模拟支持地理数据具有高分辨率地图数据集内建19种地图投影图像可以变换到任意地理坐标地图投影分析Orthographic map projection of North and South America as a color shaded relief image三维地形模拟Great Sand Dunes National Monument in southern Colorado
15、三维漫游飞行卫星轨道分析Zurich苏黎世大学GIS实验室交互式地形数据可视化交互式地形数据可视化ProblemGIS tools often lack interactive visualization capabilitiesCross-platform deployment requiredSolutionBuilt an IDL cross-platform, interactive visualization environment called DataScaping Features include spatial interpolation, detection of “out
16、liers”, and false model assumptions of Arc/Info data, 3- and 4D representations, dynamic linking of windows, parallel viewing of multiple layers in different scales, and animationBenefitMore accurate analysis without data conversion hassles”IDL is a very good environment for easy and complex GUI bui
17、lding.Eva-Marie StephanEuropean Space Agency 欧空局地中海地区监测海上泄油污染地中海地区监测海上泄油污染ProblemOil spills threatening marine life Ships difficult to identify at nightLack of reports to assess the situation Required to use ERS radar dataSolutionCoast Guard uses IDL application built by ESRIN, an arm of the Europea
18、n Space Agency Application utilizes ERS radar dataBenefitCoast Guard can monitor situation 24/7Target recognition of ships easily identifiedTimely, accurate reports readily availableIDL allows me to perform many of my operations without my manual intervention, which saves me a lot of time. Because I
19、DL is so powerful, it only takes a few seconds for the image processing to occur. Dr. Petrocchi, ESRINNASASaving the HubbleProblemHubble Telescope malfunctioningSolutionInvestigation Definition Team selects IDL for its fast, accurate assessment of dataCompiled several IDL applications under one GUI
20、interface BenefitIDLs journal mode allowed for numerous scientist to work interactively with real dataIDLs cross-platform capability made it possible to efficiently share their work“We saved more than a year of labor over the course of three years by adopting IDL over other alternatives as a matter
21、of fact, a colleague of mine has been known to say that with IDL you can be productively working on your data after only a couple days exposure to the environment. Paul ScowenInvestigation Definition Team Member三维数据可视化可视化分析流线分析数学分析对象分析图像、信号处理Data Visualization信号分析Earthquake vibration control data di
22、splayed with Plot时序分析DSTO - Australia Shows all external noise averaged over 24 hours with impulsive noise and spikes removed.噪声分析噪声分析DSTO - Australia Shows for at one instant.特定时刻噪声分析特定时刻噪声分析DSTO - Australia Geographic representation of signal return from the backscatter ionospheric sounder, azimut
23、h by range.信号地域分析信号地域分析DSTO - Australia Shows busy, clear and forbidden frequencies by color, topped by the entire external RF spectrum passively monitored. Designed to select suitable radar operating frequencies with regard to noist channels, and civilian commercial and emergency RF bandspace.信号处理信
24、号处理自动矢量化实时图像处理系统 Customizable interface built using IDLs GUI ToolkitProblemNeeded to deploy application on multiple platforms Interface must be customizable by usersSolutionUsing the PC, scientists control the acquisition, processing and analysis of images through a graphical user interface (GUI) th
25、at was built with IDL BenefitThe easily configured, flexible interface enables users to rapidly customize the system (using pull-down menus) to their requirements and therefore focus on looking for better ways to understand tokamak plasmas The ability to define user-parameters and to specify image p
26、rocessing routines allows the support of many types of applicationsFernando Meo,Centre Canadien de Fusion MagneticVarennes, Quebec“Because IDL supports such file formats as HDF, JPEG and TIFF and is portable across different computer platforms, it makes it possible to acquire, display and store imag
27、es on the PC then transfer them to the server for archiving. As a result of this portability, image analysis can be done on different platforms. RSI产品用于海洋领域海洋学领域的典型用户NOAANASA/Goddard Space Flight Center Ocean Surveys, Inc.Oceanweather Inc.Bigelow Laboratory for Ocean SciencesWoods Hole Oceanographic
28、 Inst.Ocean Research Institute of ChinaInstituto Ciencias del Mar de BarcelonaCEFREM, FranceKORDI - KoreaFisheries and Oceans, CanadaCSIRO Land and Water, AustraliaMaritime Command Shore Info Systems, AustraliaTopex/Poseidon 数据时间上的动态模拟Real ApplicationFrance - CEFREM 海洋环境监测研究中心被应用于不同方面的几种工具： CTD (Con
29、ductivity-Temperature-Depth),水流计Sediment traps, 光学和气象学传感器各种海洋数据的可视化及与时间、空间相关的分析Real Application多种数据集成数据: 风、流、温度以及水、粒子流等的生物学和化学参数的时间序列不同格式的数据 不同的机器和操作系统“.We also wanted our work to include (scale and vector) cartography and animation. The latter would enable us to easily visualize long-term changes i
30、n the marine environment. IDL 识别并追踪地中海的溢油 运行问题如果不能快速收集数据并准确定位船只，特别是在夜间，海岸方位部门确认并起诉污染者的努力将受到阻碍解决方案ESRIN开发的IDL将协助欧洲空间代理中心，用ERS雷达数据准确跟踪并监控地中海的溢油污染优点实现全天24小时监测溢油污染易于确认并跟踪船只当船只仍在海里时海洋防卫部门就可以得到及时报告Real ApplicationEl Nio Effect - 小波分析其他ION应用科 研渔业声学使用声音来实现水生物的探测、制图以及统计分布IDL 应用与ION 发布软件开发基于IDL的系列产品IDL - Inte
31、ractive Data LanguageION - IDL On the NetVIP - Visual IDL ProgrammingENVI - Environment for Visualizing ImagesRiverTools - Analysis for digital terrain and river network modelingNOESYS - Organize, visualize & share HDF data遥感影像遥感影像/数据的解决方案数据的解决方案IDL可视化编程工具可视化编程工具互联网数据管理工具互联网数据管理工具地形及河流网系分析系统地形及河流网系分析系统三维可视地理信息系统Questions? 谢 谢！
