bcdcb505967e1206ad550ddeced1a911e33d8ea5 brianlee Tue Oct 15 09:53:45 2019 -0700 Adding image illustrating group auto-scale at Max's input diff --git src/hg/htdocs/goldenPath/help/hgWiggleTrackHelp.html src/hg/htdocs/goldenPath/help/hgWiggleTrackHelp.html index ba5ae2d..3137594 100755 --- src/hg/htdocs/goldenPath/help/hgWiggleTrackHelp.html +++ src/hg/htdocs/goldenPath/help/hgWiggleTrackHelp.html @@ -21,33 +21,45 @@ <img src="../../images/2conf_enco.png" width="800px" ><br> <br> <strong>Type of graph</strong>: The default "Bar" setting depicts the graph data using color-filled bars. To view the data as a series of points or lines, select the "Points" setting.</p> <p> <strong>Track height (boxed in blue)</strong>: To change the default display height of the graph in pixels, type in a value from within the indicated range.</p> <p> <strong>Data view scaling (boxed in red)</strong>: The default "Use vertical viewing range setting" option displays the data using the parameters specified in the Vertical viewing range setting. To configure the graph to automatically scale to a range defined by the minimum and maximum data points in the current view, select the "Auto-scale to data view" option. To keep the y=0 value in view at all times when Auto-scale is selected, set "Always include -zero" to "ON". When viewing signal tracks within a composite group use +zero" to "ON".</p> +<ul> +<li>When viewing signal tracks within a composite group use "group auto-scale" to enable having all tracks scaled against the one track -in the group that has the highest maximum data points in the current view.</p> +in the group that has the highest maximum data points in the current view. +For example, below is a side-by-side image of two views of the same data from a selection +of cell lines within a composite of related RNA-seq experiments. On the left is the +original "auto-scale to data view" setting, where each track is auto-scaled +to appear at each track's highest value. And on the right is the new "group +auto-scale" setting for the same RNA-seq data where all tracks are scaled against +the one track in the region that has the highest value (67215 for IMR9 cell TAP + 1).</li> +<p class="text-center"> + <img class='text-center' src="../../images/groupAutoScale.png" width='600' alt="Auto-scale comparison"> +</p> +</ul> <p> <strong>Vertical viewing range (boxed in red)</strong>: The min and max values specify the vertical portion of the graph that is displayed (default range is 30-70). These numbers can be used to set data threshold indicators. For example, to display only those GC values greater than 50 percent, set the min value to "50".</p> <p> <strong>Transform function</strong>: Transforms the data points by the function selected in the drop-down menu. Usually the default setting is "None".</p> <p> <strong>Windowing function</strong>: When a view is too large to show individual data values, the values must be combined to produce a plot point. This option specifies the combining function to be used (default is "Mean"):</p> <ul> <li> "Mean+whiskers" - displays the mean in a dark shade, one standard deviation around the