2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.viewmodel.seqfeatures;
23 import jalview.api.AlignViewportI;
24 import jalview.api.FeatureColourI;
25 import jalview.api.FeaturesDisplayedI;
26 import jalview.datamodel.AlignmentI;
27 import jalview.datamodel.SequenceFeature;
28 import jalview.datamodel.SequenceI;
29 import jalview.datamodel.features.FeatureMatcherSetI;
30 import jalview.datamodel.features.SequenceFeatures;
31 import jalview.renderer.seqfeatures.FeatureRenderer;
32 import jalview.schemes.FeatureColour;
33 import jalview.util.ColorUtils;
35 import java.awt.Color;
36 import java.beans.PropertyChangeListener;
37 import java.beans.PropertyChangeSupport;
38 import java.util.ArrayList;
39 import java.util.Arrays;
40 import java.util.HashMap;
41 import java.util.HashSet;
42 import java.util.Hashtable;
43 import java.util.Iterator;
44 import java.util.List;
46 import java.util.Map.Entry;
48 import java.util.concurrent.ConcurrentHashMap;
50 public abstract class FeatureRendererModel
51 implements jalview.api.FeatureRenderer
54 * a data bean to hold one row of feature settings from the gui
56 public static class FeatureSettingsBean
58 public final String featureType;
60 public final FeatureColourI featureColour;
62 public final FeatureMatcherSetI filter;
64 public final Boolean show;
66 public FeatureSettingsBean(String type, FeatureColourI colour,
67 FeatureMatcherSetI theFilter, Boolean isShown)
70 featureColour = colour;
77 * global transparency for feature
79 protected float transparency = 1.0f;
82 * colour scheme for each feature type
84 protected Map<String, FeatureColourI> featureColours = new ConcurrentHashMap<>();
87 * visibility flag for each feature group
89 protected Map<String, Boolean> featureGroups = new ConcurrentHashMap<>();
92 * filters for each feature type
94 protected Map<String, FeatureMatcherSetI> featureFilters = new HashMap<>();
96 protected String[] renderOrder;
98 Map<String, Float> featureOrder = null;
100 protected PropertyChangeSupport changeSupport = new PropertyChangeSupport(
103 protected AlignViewportI av;
106 public AlignViewportI getViewport()
111 public FeatureRendererSettings getSettings()
113 return new FeatureRendererSettings(this);
116 public void transferSettings(FeatureRendererSettings fr)
118 this.renderOrder = fr.renderOrder;
119 this.featureGroups = fr.featureGroups;
120 this.featureColours = fr.featureColours;
121 this.transparency = fr.transparency;
122 this.featureOrder = fr.featureOrder;
123 this.featureFilters = fr.featureFilters;
127 * update from another feature renderer
132 public void transferSettings(jalview.api.FeatureRenderer _fr)
134 FeatureRenderer fr = (FeatureRenderer) _fr;
135 FeatureRendererSettings frs = new FeatureRendererSettings(fr);
136 this.renderOrder = frs.renderOrder;
137 this.featureGroups = frs.featureGroups;
138 this.featureColours = frs.featureColours;
139 this.featureFilters = frs.featureFilters;
140 this.transparency = frs.transparency;
141 this.featureOrder = frs.featureOrder;
142 if (av != null && av != fr.getViewport())
144 // copy over the displayed feature settings
145 if (_fr.getFeaturesDisplayed() != null)
147 FeaturesDisplayedI fd = getFeaturesDisplayed();
150 setFeaturesDisplayedFrom(_fr.getFeaturesDisplayed());
157 for (String type : _fr.getFeaturesDisplayed()
158 .getVisibleFeatures())
168 public void setFeaturesDisplayedFrom(FeaturesDisplayedI featuresDisplayed)
170 av.setFeaturesDisplayed(new FeaturesDisplayed(featuresDisplayed));
174 public void setVisible(String featureType)
176 FeaturesDisplayedI fdi = av.getFeaturesDisplayed();
179 av.setFeaturesDisplayed(fdi = new FeaturesDisplayed());
181 if (!fdi.isRegistered(featureType))
183 pushFeatureType(Arrays.asList(new String[] { featureType }));
185 fdi.setVisible(featureType);
189 public void setAllVisible(List<String> featureTypes)
191 FeaturesDisplayedI fdi = av.getFeaturesDisplayed();
194 av.setFeaturesDisplayed(fdi = new FeaturesDisplayed());
196 List<String> nft = new ArrayList<>();
197 for (String featureType : featureTypes)
199 if (!fdi.isRegistered(featureType))
201 nft.add(featureType);
206 pushFeatureType(nft);
208 fdi.setAllVisible(featureTypes);
212 * push a set of new types onto the render order stack. Note - this is a
213 * direct mechanism rather than the one employed in updateRenderOrder
217 private void pushFeatureType(List<String> types)
220 int ts = types.size();
221 String neworder[] = new String[(renderOrder == null ? 0
222 : renderOrder.length) + ts];
223 types.toArray(neworder);
224 if (renderOrder != null)
226 System.arraycopy(neworder, 0, neworder, renderOrder.length, ts);
227 System.arraycopy(renderOrder, 0, neworder, 0, renderOrder.length);
229 renderOrder = neworder;
232 protected Map<String, float[][]> minmax = new Hashtable<>();
234 public Map<String, float[][]> getMinMax()
240 * normalise a score against the max/min bounds for the feature type.
242 * @param sequenceFeature
243 * @return byte[] { signed, normalised signed (-127 to 127) or unsigned
246 protected final byte[] normaliseScore(SequenceFeature sequenceFeature)
248 float[] mm = minmax.get(sequenceFeature.type)[0];
249 final byte[] r = new byte[] { 0, (byte) 255 };
252 if (r[0] != 0 || mm[0] < 0.0)
255 r[1] = (byte) ((int) 128.0
256 + 127.0 * (sequenceFeature.score / mm[1]));
260 r[1] = (byte) ((int) 255.0 * (sequenceFeature.score / mm[1]));
266 boolean newFeatureAdded = false;
268 boolean findingFeatures = false;
270 protected boolean updateFeatures()
272 if (av.getFeaturesDisplayed() == null || renderOrder == null
276 if (av.getFeaturesDisplayed().getVisibleFeatureCount() < 1)
281 // TODO: decide if we should check for the visible feature count first
286 * search the alignment for all new features, give them a colour and display
287 * them. Then fires a PropertyChangeEvent on the changeSupport object.
290 protected void findAllFeatures()
292 synchronized (firing)
294 if (firing.equals(Boolean.FALSE))
296 firing = Boolean.TRUE;
297 findAllFeatures(true); // add all new features as visible
298 changeSupport.firePropertyChange("changeSupport", null, null);
299 firing = Boolean.FALSE;
305 public List<SequenceFeature> findFeaturesAtColumn(SequenceI sequence, int column)
308 * include features at the position provided their feature type is
309 * displayed, and feature group is null or marked for display
311 List<SequenceFeature> result = new ArrayList<>();
312 if (!av.areFeaturesDisplayed() || getFeaturesDisplayed() == null)
317 Set<String> visibleFeatures = getFeaturesDisplayed()
318 .getVisibleFeatures();
319 String[] visibleTypes = visibleFeatures
320 .toArray(new String[visibleFeatures.size()]);
321 List<SequenceFeature> features = sequence.findFeatures(column, column,
325 * include features unless their feature group is not displayed, or
326 * they are hidden (have no colour) based on a filter or colour threshold
328 for (SequenceFeature sf : features)
330 if (!featureGroupNotShown(sf) && getColour(sf) != null)
339 * Searches alignment for all features and updates colours
341 * @param newMadeVisible
342 * if true newly added feature types will be rendered immediately
343 * TODO: check to see if this method should actually be proxied so
344 * repaint events can be propagated by the renderer code
347 public synchronized void findAllFeatures(boolean newMadeVisible)
349 newFeatureAdded = false;
353 newFeatureAdded = true;
357 findingFeatures = true;
358 if (av.getFeaturesDisplayed() == null)
360 av.setFeaturesDisplayed(new FeaturesDisplayed());
362 FeaturesDisplayedI featuresDisplayed = av.getFeaturesDisplayed();
364 Set<String> oldfeatures = new HashSet<>();
365 if (renderOrder != null)
367 for (int i = 0; i < renderOrder.length; i++)
369 if (renderOrder[i] != null)
371 oldfeatures.add(renderOrder[i]);
376 AlignmentI alignment = av.getAlignment();
377 List<String> allfeatures = new ArrayList<>();
379 for (int i = 0; i < alignment.getHeight(); i++)
381 SequenceI asq = alignment.getSequenceAt(i);
382 for (String group : asq.getFeatures().getFeatureGroups(true))
384 boolean groupDisplayed = true;
387 if (featureGroups.containsKey(group))
389 groupDisplayed = featureGroups.get(group);
393 groupDisplayed = newMadeVisible;
394 featureGroups.put(group, groupDisplayed);
399 Set<String> types = asq.getFeatures().getFeatureTypesForGroups(
401 for (String type : types)
403 if (!allfeatures.contains(type)) // or use HashSet and no test?
405 allfeatures.add(type);
407 updateMinMax(asq, type, true); // todo: for all features?
413 // uncomment to add new features in alphebetical order (but JAL-2575)
414 // Collections.sort(allfeatures, String.CASE_INSENSITIVE_ORDER);
417 for (String type : allfeatures)
419 if (!oldfeatures.contains(type))
421 featuresDisplayed.setVisible(type);
427 updateRenderOrder(allfeatures);
428 findingFeatures = false;
432 * Updates the global (alignment) min and max values for a feature type from
433 * the score for a sequence, if the score is not NaN. Values are stored
434 * separately for positional and non-positional features.
440 protected void updateMinMax(SequenceI seq, String featureType,
443 float min = seq.getFeatures().getMinimumScore(featureType, positional);
444 if (Float.isNaN(min))
449 float max = seq.getFeatures().getMaximumScore(featureType, positional);
453 * { {positionalMin, positionalMax}, {nonPositionalMin, nonPositionalMax} }
457 minmax = new Hashtable<>();
459 synchronized (minmax)
461 float[][] mm = minmax.get(featureType);
462 int index = positional ? 0 : 1;
465 mm = new float[][] { null, null };
466 minmax.put(featureType, mm);
468 if (mm[index] == null)
470 mm[index] = new float[] { min, max };
474 mm[index][0] = Math.min(mm[index][0], min);
475 mm[index][1] = Math.max(mm[index][1], max);
479 protected Boolean firing = Boolean.FALSE;
482 * replaces the current renderOrder with the unordered features in
483 * allfeatures. The ordering of any types in both renderOrder and allfeatures
484 * is preserved, and all new feature types are rendered on top of the existing
485 * types, in the order given by getOrder or the order given in allFeatures.
486 * Note. this operates directly on the featureOrder hash for efficiency. TODO:
487 * eliminate the float storage for computing/recalling the persistent ordering
488 * New Cability: updates min/max for colourscheme range if its dynamic
492 private void updateRenderOrder(List<String> allFeatures)
494 List<String> allfeatures = new ArrayList<>(allFeatures);
495 String[] oldRender = renderOrder;
496 renderOrder = new String[allfeatures.size()];
497 boolean initOrders = (featureOrder == null);
499 if (oldRender != null && oldRender.length > 0)
501 for (int j = 0; j < oldRender.length; j++)
503 if (oldRender[j] != null)
507 setOrder(oldRender[j],
508 (1 - (1 + (float) j) / oldRender.length));
510 if (allfeatures.contains(oldRender[j]))
512 renderOrder[opos++] = oldRender[j]; // existing features always
513 // appear below new features
514 allfeatures.remove(oldRender[j]);
517 float[][] mmrange = minmax.get(oldRender[j]);
520 FeatureColourI fc = featureColours.get(oldRender[j]);
521 if (fc != null && !fc.isSimpleColour() && fc.isAutoScaled()
522 && !fc.isColourByAttribute())
524 fc.updateBounds(mmrange[0][0], mmrange[0][1]);
532 if (allfeatures.size() == 0)
534 // no new features - leave order unchanged.
537 int i = allfeatures.size() - 1;
539 boolean sort = false;
540 String[] newf = new String[allfeatures.size()];
541 float[] sortOrder = new float[allfeatures.size()];
542 for (String newfeat : allfeatures)
547 // update from new features minmax if necessary
548 float[][] mmrange = minmax.get(newf[i]);
551 FeatureColourI fc = featureColours.get(newf[i]);
552 if (fc != null && !fc.isSimpleColour() && fc.isAutoScaled()
553 && !fc.isColourByAttribute())
555 fc.updateBounds(mmrange[0][0], mmrange[0][1]);
559 if (initOrders || !featureOrder.containsKey(newf[i]))
561 int denom = initOrders ? allfeatures.size() : featureOrder.size();
562 // new unordered feature - compute persistent ordering at head of
563 // existing features.
564 setOrder(newf[i], i / (float) denom);
566 // set order from newly found feature from persisted ordering.
567 sortOrder[i] = 2 - featureOrder.get(newf[i]).floatValue();
570 // only sort if we need to
571 sort = sort || sortOrder[i] > sortOrder[i + 1];
575 if (iSize > 1 && sort)
577 jalview.util.QuickSort.sort(sortOrder, newf);
580 System.arraycopy(newf, 0, renderOrder, opos, newf.length);
584 * get a feature style object for the given type string. Creates a
585 * java.awt.Color for a featureType with no existing colourscheme.
591 public FeatureColourI getFeatureStyle(String featureType)
593 FeatureColourI fc = featureColours.get(featureType);
596 Color col = ColorUtils.createColourFromName(featureType);
597 fc = new FeatureColour(col);
598 featureColours.put(featureType, fc);
604 public Color getColour(SequenceFeature feature)
606 FeatureColourI fc = getFeatureStyle(feature.getType());
607 return getColor(feature, fc);
611 * Answers true if the feature type is currently selected to be displayed,
617 protected boolean showFeatureOfType(String type)
619 return type == null ? false : (av.getFeaturesDisplayed() == null ? true
620 : av.getFeaturesDisplayed().isVisible(type));
624 public void setColour(String featureType, FeatureColourI col)
626 featureColours.put(featureType, col);
630 public void setTransparency(float value)
632 transparency = value;
636 public float getTransparency()
642 * analogous to colour - store a normalized ordering for all feature types in
643 * this rendering context.
646 * Feature type string
648 * normalized priority - 0 means always appears on top, 1 means
651 public float setOrder(String type, float position)
653 if (featureOrder == null)
655 featureOrder = new Hashtable<>();
657 featureOrder.put(type, new Float(position));
662 * get the global priority (0 (top) to 1 (bottom))
665 * @return [0,1] or -1 for a type without a priority
667 public float getOrder(String type)
669 if (featureOrder != null)
671 if (featureOrder.containsKey(type))
673 return featureOrder.get(type).floatValue();
680 public Map<String, FeatureColourI> getFeatureColours()
682 return featureColours;
686 * Replace current ordering with new ordering
689 * an array of { Type, Colour, Filter, Boolean }
690 * @return true if any visible features have been reordered, else false
692 public boolean setFeaturePriority(FeatureSettingsBean[] data)
694 return setFeaturePriority(data, true);
698 * Sets the priority order for features, with the highest priority (displayed on
699 * top) at the start of the data array
702 * an array of { Type, Colour, Filter, Boolean }
704 * when true current featureDisplay list will be cleared
705 * @return true if any visible features have been reordered or recoloured, else
706 * false (i.e. no need to repaint)
708 public boolean setFeaturePriority(FeatureSettingsBean[] data,
712 * note visible feature ordering and colours before update
714 List<String> visibleFeatures = getDisplayedFeatureTypes();
715 Map<String, FeatureColourI> visibleColours = new HashMap<>(
716 getFeatureColours());
718 FeaturesDisplayedI av_featuresdisplayed = null;
721 if ((av_featuresdisplayed = av.getFeaturesDisplayed()) != null)
723 av.getFeaturesDisplayed().clear();
727 av.setFeaturesDisplayed(
728 av_featuresdisplayed = new FeaturesDisplayed());
733 av_featuresdisplayed = av.getFeaturesDisplayed();
739 // The feature table will display high priority
740 // features at the top, but these are the ones
741 // we need to render last, so invert the data
742 renderOrder = new String[data.length];
746 for (int i = 0; i < data.length; i++)
748 String type = data[i].featureType;
749 setColour(type, data[i].featureColour);
752 av_featuresdisplayed.setVisible(type);
755 renderOrder[data.length - i - 1] = type;
760 * get the new visible ordering and return true if it has changed
761 * order or any colour has changed
763 List<String> reorderedVisibleFeatures = getDisplayedFeatureTypes();
764 if (!visibleFeatures.equals(reorderedVisibleFeatures))
767 * the list of ordered visible features has changed
773 * return true if any feature colour has changed
775 for (String feature : visibleFeatures)
777 if (visibleColours.get(feature) != getFeatureStyle(feature))
787 * @see java.beans.PropertyChangeSupport#addPropertyChangeListener(java.beans.PropertyChangeListener)
789 public void addPropertyChangeListener(PropertyChangeListener listener)
791 changeSupport.addPropertyChangeListener(listener);
796 * @see java.beans.PropertyChangeSupport#removePropertyChangeListener(java.beans.PropertyChangeListener)
798 public void removePropertyChangeListener(PropertyChangeListener listener)
800 changeSupport.removePropertyChangeListener(listener);
803 public Set<String> getAllFeatureColours()
805 return featureColours.keySet();
808 public void clearRenderOrder()
813 public boolean hasRenderOrder()
815 return renderOrder != null;
819 * Returns feature types in ordering of rendering, where last means on top
821 public List<String> getRenderOrder()
823 if (renderOrder == null)
825 return Arrays.asList(new String[] {});
827 return Arrays.asList(renderOrder);
830 public int getFeatureGroupsSize()
832 return featureGroups != null ? 0 : featureGroups.size();
836 public List<String> getFeatureGroups()
838 // conflict between applet and desktop - featureGroups returns the map in
839 // the desktop featureRenderer
840 return (featureGroups == null) ? Arrays.asList(new String[0])
841 : Arrays.asList(featureGroups.keySet().toArray(new String[0]));
844 public boolean checkGroupVisibility(String group,
845 boolean newGroupsVisible)
847 if (featureGroups == null)
849 // then an exception happens next..
851 if (featureGroups.containsKey(group))
853 return featureGroups.get(group).booleanValue();
855 if (newGroupsVisible)
857 featureGroups.put(group, new Boolean(true));
864 * Answers a (possibly empty) list of visible or invisible feature groups
867 * true to return visible groups, false to return hidden ones
871 public List<String> getGroups(boolean visible)
873 List<String> groups = new ArrayList<>();
874 if (featureGroups != null)
876 for (Entry<String, Boolean> grp : featureGroups.entrySet())
878 if (grp.getValue() == visible)
880 groups.add(grp.getKey());
888 public void setGroupVisibility(String group, boolean visible)
890 featureGroups.put(group, new Boolean(visible));
894 public void setGroupVisibility(List<String> toset, boolean visible)
896 if (toset != null && toset.size() > 0 && featureGroups != null)
898 boolean rdrw = false;
899 for (String gst : toset)
901 Boolean st = featureGroups.get(gst);
902 featureGroups.put(gst, new Boolean(visible));
905 rdrw = rdrw || (visible != st.booleanValue());
910 // set local flag indicating redraw needed ?
916 public Map<String, FeatureColourI> getDisplayedFeatureCols()
918 Map<String, FeatureColourI> fcols = new Hashtable<>();
919 if (getViewport().getFeaturesDisplayed() == null)
923 Set<String> features = getViewport().getFeaturesDisplayed()
924 .getVisibleFeatures();
925 for (String feature : features)
927 fcols.put(feature, getFeatureStyle(feature));
933 public FeaturesDisplayedI getFeaturesDisplayed()
935 return av.getFeaturesDisplayed();
939 * Returns a (possibly empty) list of visible feature types, in render order
943 public List<String> getDisplayedFeatureTypes()
945 List<String> typ = getRenderOrder();
946 List<String> displayed = new ArrayList<>();
947 FeaturesDisplayedI feature_disp = av.getFeaturesDisplayed();
948 if (feature_disp != null)
950 synchronized (feature_disp)
952 for (String type : typ)
954 if (feature_disp.isVisible(type))
965 public List<String> getDisplayedFeatureGroups()
967 List<String> _gps = new ArrayList<>();
968 for (String gp : getFeatureGroups())
970 if (checkGroupVisibility(gp, false))
979 * Answers true if the feature belongs to a feature group which is not
980 * currently displayed, else false
982 * @param sequenceFeature
985 protected boolean featureGroupNotShown(final SequenceFeature sequenceFeature)
987 return featureGroups != null
988 && sequenceFeature.featureGroup != null
989 && sequenceFeature.featureGroup.length() != 0
990 && featureGroups.containsKey(sequenceFeature.featureGroup)
991 && !featureGroups.get(sequenceFeature.featureGroup)
999 public List<SequenceFeature> findFeaturesAtResidue(SequenceI sequence,
1002 List<SequenceFeature> result = new ArrayList<>();
1003 if (!av.areFeaturesDisplayed() || getFeaturesDisplayed() == null)
1009 * include features at the position provided their feature type is
1010 * displayed, and feature group is null or the empty string
1011 * or marked for display
1013 Set<String> visibleFeatures = getFeaturesDisplayed()
1014 .getVisibleFeatures();
1015 String[] visibleTypes = visibleFeatures
1016 .toArray(new String[visibleFeatures.size()]);
1017 List<SequenceFeature> features = sequence.getFeatures().findFeatures(
1018 resNo, resNo, visibleTypes);
1020 for (SequenceFeature sf : features)
1022 if (!featureGroupNotShown(sf) && getColour(sf) != null)
1031 * Removes from the list of features any that duplicate the location of a
1032 * feature of the same type. Should be used only for features of the same,
1033 * simple, feature colour (which normally implies the same feature type). Does
1034 * not check visibility settings for feature type or feature group. No
1035 * filtering is done if transparency, or any feature filters, are in force.
1039 public void filterFeaturesForDisplay(List<SequenceFeature> features)
1042 * don't remove 'redundant' features if
1043 * - transparency is applied (feature count affects depth of feature colour)
1044 * - filters are applied (not all features may be displayable)
1046 if (features.isEmpty() || transparency != 1f
1047 || !featureFilters.isEmpty())
1052 SequenceFeatures.sortFeatures(features, true);
1053 SequenceFeature lastFeature = null;
1055 Iterator<SequenceFeature> it = features.iterator();
1056 while (it.hasNext())
1058 SequenceFeature sf = it.next();
1061 * a feature is redundant for rendering purposes if it has the
1062 * same extent as another (so would just redraw the same colour);
1063 * (checking type and isContactFeature as a fail-safe here, although
1064 * currently they are guaranteed to match in this context)
1066 if (lastFeature != null && sf.getBegin() == lastFeature.getBegin()
1067 && sf.getEnd() == lastFeature.getEnd()
1068 && sf.isContactFeature() == lastFeature.isContactFeature()
1069 && sf.getType().equals(lastFeature.getType()))
1078 public Map<String, FeatureMatcherSetI> getFeatureFilters()
1080 return featureFilters;
1084 public void setFeatureFilters(Map<String, FeatureMatcherSetI> filters)
1086 featureFilters = filters;
1090 public FeatureMatcherSetI getFeatureFilter(String featureType)
1092 return featureFilters.get(featureType);
1096 public void setFeatureFilter(String featureType, FeatureMatcherSetI filter)
1098 if (filter == null || filter.isEmpty())
1100 featureFilters.remove(featureType);
1104 featureFilters.put(featureType, filter);
1109 * Answers the colour for the feature, or null if the feature is excluded by
1110 * feature group visibility, by filters, or by colour threshold settings. This
1111 * method does not take feature visibility into account.
1117 public Color getColor(SequenceFeature sf, FeatureColourI fc)
1120 * is the feature group displayed?
1122 if (featureGroupNotShown(sf))
1128 * does the feature pass filters?
1130 if (!featureMatchesFilters(sf))
1135 return fc.getColor(sf);
1139 * Answers true if there no are filters defined for the feature type, or this
1140 * feature matches the filters. Answers false if the feature fails to match
1146 protected boolean featureMatchesFilters(SequenceFeature sf)
1148 FeatureMatcherSetI filter = featureFilters.get(sf.getType());
1149 return filter == null ? true : filter.matches(sf);