HDF ExplorerHDF Explorer By

Pedro 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 of )Marine Environment unit at Technical University of Lisbon (Portugal) 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 Explorer B athymetry

5

1 0

1 5

2 0

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3 0

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4 0

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5 0

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6 0

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1 0

1 5

2 0

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3 0

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4 0

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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

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3 0

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1 0

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4 0

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5 0

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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 Horizontal velocity (s igma)

1 0 c m /s

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1 0

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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

Cellular automata in 3DCellular automata in 3DSpace simulation including cellular automata, hydrodynamics and eulerian dispersion with

http://hidrox.ist.utl.pt/maretec/vicente/software/spacewin/spacewin.htm