Growing OPeNDAP Support: Current ArcGISWorkflows and Future Directions

Christine White, Esri

cwhite@esri.com

ArcGIS

Current Capabilities

On the Future Roadmap

Wanted: your input

Overview

ArcGIS

Natural Science Domains

Agricultural Science

Hydrology

Ecology

Climate ScienceGeology/Geophysics

Conservation Biology

Sustainability Science

Forestry

Ocean Science

Ocean GIS InitiativeChief Scientist

Project Managers

Software Engineers

Product Engineers

Account Managers

Industry Solutions Managers

Distributors

Federal Science Team

YOU

esriurl.com/oceanebook

Visualization source: U. of New Hampsire CCOM

Support for multiple dimensions in WMS implementation of ArcGIS for Server…

Vector Field Renderer to display direction/magnitude symbols on the fly within a raster…

OpenDAP, netCDF, HDF, GRIB1, GRIB2…

esriurl.com/multid

The ArcGISPlatform

Apps

ArcGIS

ArcGIS Online

APIs & SDKs

ArcGIS Desktop

ArcGIS for Server with Portal

For • Enterprises• Organizations• Developers• Individuals

Current ArcGIS Capabilitiesfor DAP

Data Interop

Data Reviewer

3DNetwork

Workflow

Geostats

Spatial Analysis

Extensions

Files DBMS Server Cloud

Desktop

Mapping, Editing, and Spatial Analysis

Schematics

ArcMap

Desktop

Tools in the Desktop software

• http://resources.arcgis.com/en/help/main/10.2/index.html#/An_overview_of_the_Multidimension_toolbox/004300000002000000/

Multidimensional Toolbox – NetCDF support

Comes with ArcGIS Desktop

• http://www.arcgis.com/home/item.html?id=9f963f362fe5417f87d44618796db938

Multidimensional Supplemental Toolbox – python scripts

Requires the installation of a third-party Python module – netcdf4-python

OPeNDAP to NetCDF tool

NetCDF fileDAP ServerOPenDAP to NetCDF

Multi-D Toolbox

Output layer

• Subset and download data from web-based servers that support the OPeNDAP protocol

• Ability to constrain which data are downloaded by specifying specific variables, a spatial extent, and the starting and ending values of the dimensions that define a variable

• Output is a NetCDF layer

• Use output with other tools from Multi-D box

What the OPeNDAP to NetCDF tool does

Ingesting netCDF data in ArcGIS

• NetCDF data is accessed as• Raster• Feature• Table

• Direct read• Exports GIS data to netCDF

OPeNDAP to NetCDF WorkflowArcGIS 10.1 and higher

Demo

Post version 10.3OPeNDAP to Raster

OPeNDAP to NetCDF tool

DAP ServerOPenDAP to Raster Output layer

• Ingest OPeNDAP service to create a surface with subsetting capabilities- Similar to the OPeNDAP to NetCDF Supplemental Toolbox tool

• Output is raster instead of NetCDF file- No intermediary process necessary to transform the NetCDF to raster

OPeNDAP to Raster

OPeNDAP to Raster

Make NetCDF Raster Layer

Make WCS Layer

Ingest a ServiceOutput supports

multiple dimensions

• What does it mean that the output is a dynamic raster?- Output is not a file you store, but instead is in memory

- Means you can pan around, and get data as you move through map, not load it all at once; just loads what you need for that view

• Can send another request and view a different variable (dynamic raster layer) without losing the first one

Further Details

Input from You

• OPeNDAP to Raster is Ingest oriented and geared toward gridded data

- Are there other data types in which you are interested? E.g., station data (wx balloons)

• Who are the potential main service providers/users of this tool?

Ingest

• When we put scientific data in a mosaic, we can expose this through an image service, WMS, WCS, WFS – is there a need to support OPeNDAP in the server piece?

• If so, who has this requirement?

Server – Should we?