HDF Explorer HDF Explorer By Pedro Vicente Mind HDF-EOS WORKSHOP II September 22, 23 & 24, 1998 Landover, MD
Dec 31, 2015
HDF ExplorerHDF Explorer
ByPedro Vicente
Mind
HDF-EOS WORKSHOP II
September 22, 23 & 24, 1998
Landover, MD
TopicsTopics•Why Why wewe adopted the HDF data adopted the HDF data
formatformat
•The HDF Explorer ancestor:A The HDF Explorer ancestor:A graphical interface for an graphical interface for an hydrodynamic numerical modelhydrodynamic numerical model
•HDF ExplorerHDF Explorer
Why HDF ?Why HDF ?
• ((We We )Marine Environment unit at Technical University )Marine Environment unit at Technical University of Lisbon (Portugal) of Lisbon (Portugal) MARETECMARETEC (1993-1997) (1993-1997)
• http://hidrox.ist.utl.pt/maretechttp://hidrox.ist.utl.pt/maretec
3D baroclinic 3D baroclinic hydrodinamical and hydrodinamical and transport model transport model • Since 1984. FORTRAN codedSince 1984. FORTRAN coded
• Initial system: VAX/Open VMS: data Initial system: VAX/Open VMS: data is written in binary formatis written in binary format
• Later: VAX/ Open VMS with different Later: VAX/ Open VMS with different word size: result: word size: result: convert all the convert all the datadata
• Later again: (1993)Digital Alpha/NT Later again: (1993)Digital Alpha/NT result: result: convert all the dataconvert all the data
3D baroclinic 3D baroclinic hydrodinamical and hydrodinamical and transport model transport model • Later again: Intel Pentium/NT Later again: Intel Pentium/NT
result: result: convert all the dataconvert all the data
• EnoughEnough: Let´s go to HDF: main : Let´s go to HDF: main advantages: portability, graphic advantages: portability, graphic tools that read it.tools that read it.
The HDF Explorer The HDF Explorer ancestor:A graphical ancestor:A graphical interface for the interface for the modelmodel
• Why do it ? Why do it ? 2 reasons:2 reasons:
• The model has very specific features The model has very specific features (sigma/ double sigma coordinate system)(sigma/ double sigma coordinate system)
• The lack of a The lack of a definitedefinite Windows based Windows based graphical softwaregraphical software
Examples: model gridsExamples: model grids
Mohid Data E xplorer B athymetry
5
1 0
1 5
2 0
2 5
3 0
3 5
4 0
4 5
5 0
5 5
6 0
5
1 0
1 5
2 0
2 5
3 0
3 5
4 0
4 5
5 0
5 5
6 0
1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0
1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0
Examples: density fields Examples: density fields (2d maps)(2d maps)
Mohid Data E xplorer Temperature (s igma)
1 0 .1 - 1 1 .2
1 1 .2 - 1 2 .2
1 2 .2 - 1 3 .3
1 3 .3 - 1 4 .3
1 4 .3 - 1 5 .3
5
1 0
1 5
2 0
2 5
3 0
3 5
4 0
4 5
5 0
5 5
6 0
5
1 0
1 5
2 0
2 5
3 0
3 5
4 0
4 5
5 0
5 5
6 0
1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0
1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0
Examples: velocity fields, Examples: velocity fields, contourscontours
Mohid Data E xplorer Horiz ontal velocity (s igma)
1 0 c m /s
5
1 0
1 5
2 0
2 5
3 0
3 5
5
1 0
1 5
2 0
2 5
3 0
3 5
1 0 2 0 3 0 4 0
1 0 2 0 3 0 4 0
HDF ExplorerHDF Explorer
• ((We We )MIND (1997-1998))MIND (1997-1998)
•Multimedia and Industrial software . Headquarters : Lisbon (Portugal)Multimedia and Industrial software . Headquarters : Lisbon (Portugal)
• http://www.mind.pt/hdf.explorerhttp://www.mind.pt/hdf.explorer
The FutureThe Future•HDF-EOSHDF-EOS
•3D (Open GL)3D (Open GL)
•ContoursContours
• More: feedback from customersMore: feedback from customers