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OpenCDSS / StateView

StateView software is used to view data in a local copy of the State of Colorado's HydroBase database. StateView provides faster access to data in a local database. However, many users use the online CDSS Tools. Use the following links to download StateView software.

  • OpenCDSS StateView Software Downloads - archive and development releases (currently not available)

Additional StateView information and resources are available below:

General/User Information

The following sections provide background and information that is useful to StateView users. StateView users are typically CDSS modelers that have also installed HydroBase locally.


StateView software provides data-viewing tools for the HydroBase database, when HydroBase is attached locally on the computer. See instructions for local HydroBase attachment. The software was developed to facilitate researching data for modeling, as a companion to TSTool and StateDMI, which are used to automate data processing.

The online CDSS Tools now provide features to view HydroBase data and StateView is currently not actively maintained or developed.

User Documentation

  • See the documentation distributed with the software on the CDSS website.


The software is licensed using GPL v3+ license.

Report an Issue

To report an issue or request an enhancement, use the StateView GitHub repository issues. Software developers will evaluate the issue.

Developer Information

StateView is written in Java and uses the Eclipse integrated development environment (IDE). StateView is comprised of multiple software libraries, some of which are maintained as code in repositories, and some of which are used as third-party binary libraries. See the following developer resources.

Software Developers

The State of Colorado has designated the following as product contacts for development.

Person GitHub User Role/Comment
Steve Malers (OWF) smalers OpenCDSS lead and StateView developer
Brian Macpherson (CWCB) macphersonbr State of Colorado CWCB lead

Developer Documentation

Development Environment

Compilation is via Eclipse IDE, although it should be possible to use other tools. See the README file for the repository for information about the development environment. Important information includes:

  • The current standard is to develop on Windows 10 using Eclipse.
  • Git Bash command line tools are also used for Git and development process automation.

Version Control

StateView code and other electronic assets are housed in the following repositories.

Content Repository Comment
Main StateView code cdss-app-stateview-java README provides additional information.
Library components See the main repository README for list.
Automated tests None. Automated tests have not been implemented for the application.
Developer documentation cdss-app-stateview-java See README.
User documentation cdss-app-stateview-java See doc folder.

StateView software should be updated using a "feature branch" approach as per the OpenCDSS Workflow and StateView developer documentation.

Adding an Issue

The GitHub issues tool is how developers track issues and communicate on progress. For an overview of using GitHub issues, see "Mastering Issues". The following general procedure should be to used add an issue (bug, enhancement request, question, etc.).

  1. Add a New issue on the StateView code repository issues page.
    1. The issue title should short and clear, for example "Button X is inactive" (which will be indicated as a bug below) or "Need command to ABC" (which will be indicated as an enhancement below).
    2. An issue template (via .github folder in repository) is provided with instructions on how to submit the issue. The template provides default fill-in-the-blank sections that are useful for developers. The template text should be edited as appropriate to explain the issue, and is then submitted. Attachments can be used to provide test data or other useful information. Use a zip file if necessary.
    3. The issue labels should be specified as completely possible. Labels can be adjusted later as necessary. See the OpenCDSS Version Control / GitHub Repository Issues guidelines. If the issue author does not have write permissions on the repository, they will not be able to select issue labels.
      1. Select the issue type as bug, enhancement, or question.
      2. Select the issue priority as low, medium, high, or critical.
      3. Select the issue size as XS, S, M, L, or XS. Note that these are relative sizes and not intended to be detailed hourly estimates.
  2. There is not currently a GitHub project board defined for StateView, but it could be added to manage issues.


StateView automated testing for the user interface has not been implemented. Underlying code is tested using TSTool and StateDMI tests.