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If you are having trouble viewing your data, see the following:

Table of Contents

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Check that your file is in a format we support

IGB can open and read nearly all of the common data and graph files used with genomics data. For more information about supported file types, please see  File Formats. We also take requests - if you would like us most formats commonly used in genomics.

See File Formats.

If you would like IGB to support a new type of file format, please let us know.

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Click Load Data button

IGB allows you to open files from your desktop, local servers, URLs or other data sources.

However, IGB will not instantly start loading the data into the display. 

When you open files, IGB adds them to the list of opened files in can open and display data files located on your computer, Web sites, and Quickload sites.

When you first open a file, IGB adds it to the Data Management table in the Data Access tab. Note that the The Data Management table lists a Load Mode for each opened file or data set. By default, IGB adds most files and data sets using the Region in View load mode. Data sets and files with load mode Region in View will load into the main data display when you click the Load Data button. To display data from these files Manual  load mode setting, which means you must manually trigger data loading. To load data from a resource with Load Mode setting of Manual, zoom in to a region you want to see, and click Load Data. Whatever data in the file that overlaps with the current region in view will appear in the display.Tip: If your data file is not large, change Load Mode to Genome. If you do that, IGB will then read and display all the data in the file. and click the Load Data button located in the top right of the main IGB window.

Tip: Change Load Mode to Genome to trigger loading all the data at once. Only do this for smaller data sets.

Examples of data sets that work best when loaded in the Genome mode include: gene models for the entire human genome or

  • List of significant regions identified in a ChIP-Seq experiment

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For more about loading files, please see Loading data.

.bam files need a .bai file

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  • GTF files output from CuffLinks
  • T-DNA insertion lines (Arabidopsis)

See Loading data.

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I opened my sequence file

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but all I see is a gray bar and dashes.

To save memory, IGB doesn't load sequence data until you click the Load Sequence button. To view the bases, click the Load Sequence button and then zoom in.