force text labels in parcoords to be 10px; revisit to iterate a bette…

…r way to handle this

inst/htmlwidgets/parcoords.js

@@ -104,6 +104,11 @@ HTMLWidgets.widget({
       d3.select("#" + el.id + " .dimension .axis > text").remove();
     }
 
+    // sloppy but for now let's force text smaller
+    //   ?? how best to provide parameter in R
+    d3.selectAll("#" + el.id + " svg text")
+        .style("font-size","10px");
+
     // use expando to attach parcoords to the element
     el.parcoords = parcoords;
     // also attach the parallel coordinates to instance

man/parcoords.Rd

@@ -20,13 +20,19 @@ a function such as \code{d3.scale.category10()} and colorBy
 is the column name from the data to determine color.}
 
 \item{brushMode}{string, either \code{"1D-axes"} or \code{"2D-strums"},
-giving the type of desired brush behavior for the chart}
+giving the type of desired brush behavior for the chart. Currently
+\code{brushMode = "2D-strums"} requires left margin = 0, so
+this will change automatically and might result in unexpected
+behavior.}
 
 \item{reorderable}{logical enable reordering of axes}
 
 \item{axisDots}{logical mark the points where polylines meet an axis with dots}
 
-\item{margin}{list of sizes of margins in pixels}
+\item{margin}{list of sizes of margins in pixels.  Currently
+\code{brushMode = "2D-strums"} requires left margin = 0, so
+this will change automatically and might result in unexpected
+behavior.}
 
 \item{composite}{foreground context's composite type
 see \href{https://github.com/syntagmatic/parallel-coordinates#parcoords_composite}{parcoords.composite}}