Fix bed track when no intervals are in the regions displayed

figeno/cli/cli.py

@@ -2,7 +2,7 @@
 
 from figeno.cli import gui, init,make
 
-__version__ = "1.6.1"
+__version__ = "1.6.2"
 
 def main():
     parser = ArgumentParser("figeno",formatter_class=ArgumentDefaultsHelpFormatter)

figeno/gui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "figeno",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "private": true,
   "homepage": "./",
   "dependencies": {

figeno/track_bed.py

@@ -48,7 +48,8 @@ def draw(self, regions, box ,hmargin,warnings):
 
         boxes = split_box(box,regions,hmargin)
         lines_regions=self.read_records_regions(regions)
-        if (box["top"]-box["bottom"])/len(lines_regions[0])<3.5 and self.show_names:
+        number_of_lines=max(1,len(lines_regions[0]))
+        if (box["top"]-box["bottom"])/number_of_lines<3.5 and self.show_names:
             warnings.append("The bed track is very dense ({} lines for a height of {} mm). You might want to increase the height for this track or to not show names.".format(len(lines_regions[0]),self.height))
         for i in range(len(regions)):
             self.draw_region(regions[i][0],boxes[i],lines_regions[i],warnings)
@@ -59,12 +60,13 @@ def draw(self, regions, box ,hmargin,warnings):
 
     def draw_region(self,region,box,lines,warnings):
         if self.bounding_box: draw_bounding_box(box)
+        number_of_lines=max(1,len(lines))
 
         if self.show_names: 
-            rect_height = (box["top"]-box["bottom"]) * 0.4 / len(lines)
+            rect_height = (box["top"]-box["bottom"]) * 0.4 / number_of_lines
             #rect_bottom = box["bottom"] +  (box["top"]-box["bottom"]) * 0.08
         else:
-            rect_height = (box["top"]-box["bottom"]) * 0.7 / len(lines)
+            rect_height = (box["top"]-box["bottom"]) * 0.7 / number_of_lines
             #rect_bottom = box["bottom"] +  (box["top"]-box["bottom"]) * 0.15
 
         # Params for strand
@@ -76,7 +78,7 @@ def draw_region(self,region,box,lines,warnings):
         fontsize = 8*self.fontscale if len(lines)<=1 else 6*self.fontscale
 
         for line_index,line in enumerate(lines):
-            line_bottom = box["bottom"] + (box["top"]-box["bottom"])/len(lines) * line_index + (box["top"]-box["bottom"]) * 0.15 / len(lines)
+            line_bottom = box["bottom"] + (box["top"]-box["bottom"])/number_of_lines * line_index + (box["top"]-box["bottom"]) * 0.15 / len(lines)
             for bedrect in line:
                 if region.orientation=="+":
                     converted_start = box["left"] + (bedrect.start-region.start) / (region.end-region.start) * (box["right"] - box["left"])

pyproject.toml

@@ -9,7 +9,7 @@ packages = ["figeno", "figeno.data", "figeno.cli", "figeno.gui"]
 
 [project]
 name = 'figeno'
-version = "1.6.1"
+version = "1.6.2"
 description = 'Package for generating genomics figures.'
 readme = 'README.md'
 authors = [