The track type with version is REQUIRED, and it currently must be wiggle_0:
type wiggle_0The remaining values are OPTIONAL:
name <trackLabel> # default is "User Track"
description <centerLabel> # default is "User Supplied Track"
visibility <full|dense|hide> # default is hide
color <RRR,GGG,BBB> # default is 255,255,255
altColor <RRR,GGG,BBB> # default is 128,128,128
priority <N> # default is 100
For a list of additional options, see the bigWig format page.
Note that bigWig files created from bedGraph cannot be converted to wiggle using bigWigToWig
and instead will be reverted back to their original bedGraph format. Also, for tracks using altColor
-with the windowing function "mean+whiskers" the shading of colors will be impacted with lighter shades for values
+with the windowing function "mean+whiskers" the shading of colors will be impacted with lighter shades for values within
a standard deviation around the mean, most noticeable when zoomed out and average calculations are taking place.
This example specifies 19 separate data points in two tracks (the first is name="variableStep"
and the second is name="fixedStep" where priority= orders them) in the region
chr19:49,304,200-49,310,700. To view this example as a custom track in the Genome Browser, copy the
text and paste it into the "Add Custom Tracks"
text box.
browser position chr19:49304200-49310700
browser hide all
# 150 base wide bar graph at arbitrarily spaced positions,
# threshold line drawn at y=11.76
# autoScale off viewing range set to [0:25]