About the CCDB

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Visualization & Analysis Tools

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How To ...     Create account | Login | Issue query | View result | View image | Download data | Enter data

1. Create an account? All users to the CCDB must be registered. To create an account, click here.

2. Log in to the CCDB? Log in access can be found here.

3. Issue a query? After logging in, the following simple query form is presented (click on the image to get a larger view):
   
   Additional Forms:
   • Advanced Query Form

   • Quick Download Form

   • Neuronal Branching Query Form

4. View results? The results of a query are returned in the following format (click on the image to get a larger view):
   

5. View an image? Currently, JViewer has been integrated into CCDB. This means that when an image is viewable by JViewer, the link presented to you will automatically launch the program and display the data. Please see JViewer's requirement info regarding what you will need to use JViewer.

   Other visualization tools are also available; see the Visualization Tools page for a listing.

6. Download data? Data can be downloaded by clicking on the "Download" button under each image. Most of these files are large 3D image files and may take a while to download. The CCDB allows different levels of access privileges to be set for each data set. In some cases, the data are freely available; in others, users must contact the owner of the data to make arrangements for access to the 3D data. The appropriate e-mail address is provided to the user at the time the download request is made. All data that is downloaded from the CCDB must be used in accordance with policies set by the CCDB for data sharing. If data is used for any other purpose, both the original author and the CCDB should be acknowledged.

   For each type of data available from the CCDB, e.g., volume, tilt images, segmented objects, all relevant files are bundled into a tar file so that all necessary files are downloaded simultaneously. Users who are unable to untar these files should contact the CCDB administrator to make arrangements. We are exploring other options and will make them available as soon as possible.

   Data is currently stored in the formats used most frequently at NCMIR. In the future, users will be able to request additional formats but this function is not currently implemented. Tools which can view our most common formats are available for download and are listed in the "Visualization Tool" page. Requests for a specific format can be addressed to the visualization administrator.

7. Enter data? For a description of how files are managed in the CCDB and how to prepare files for entry, see this page.