![]() Lines in this example have been reformatted for documentation purposes. See the usage note in the itemRgb description above for color In this track, the color scheme distinguishes between items named "Pos*" and This example shows an annotation track that uses the itemRgb attribute to individually color eachĭata line. Here's an example of an annotation track, introduced by a Similarly, the final blockStart position plus theįinal blockSize value must equal chromEnd. In BED files with block definitions, the first blockStart value must be 0, so that the firstīlock begins at chromStart. Items in this list should correspond to blockCount. All of theīlockStart positions should be calculated relative to chromStart. blockStarts - A comma-separated list of block starts.This list should correspond to blockCount. blockSizes - A comma-separated list of the block sizes.blockCount - The number of blocks (exons) in the BED line.Resources of the Genome Browser and your Internet browser. Scheme (eight colors or less) be used with this attribute to avoid overwhelming the color NOTE: It is recommended that a simple color ItemRgb attribute is set to "On", this RBG value will determine the displayĬolor of the data contained in this BED line. itemRgb - An RGB value of the form R,G,B (e.g.thickEnd - The ending position at which the feature is drawn thickly (for example.When there is no thick part, thickStart and thickEndĪre usually set to the chromStart position. thickStart - The starting position at which the feature is drawn thickly (forĮxample, the start codon in gene displays).Genome Browser's translation of BED score values into shades of gray: Gray in which this feature is displayed (higher numbers = darker gray). Is set to 1 for this annotation data set, the score value will determine the level of ![]() The BED line in the Genome Browser window when the track is open to full display mode or directly name - Defines the name of the BED line.The 9 additional optional BED fields are: For example, use chromStart=0, chromEnd=0 to represent an insertion before the The first 100 bases of chromosome 1 are defined as chrom=1, chromStart=0, chromEnd=100,Īnd span the bases numbered 0-99 in our software (not 0-100), but will represent theĬhromStart and chromEnd can be identical, creating a feature of length 0, commonly The number in position format will be represented. TheĬhromEnd base is not included in the display of the feature, however, ![]()
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