Changeset 178:a96d2a540454 in glemon-0.x for graph_displayer_canvas-edge.cc

Timestamp:

10/30/06 16:43:13 (18 years ago)

Author:

Hegyi Péter

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/glemon/trunk@3035

Message:

If visualization is not autoscaled, edges with widths associated with negative map values will be hidden.

File:

• graph_displayer_canvas-edge.cc (modified) (2 diffs)

graph_displayer_canvas-edge.cc

@@ -77 +77 @@
       for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i)
         {
-          double v=fabs((*actual_map)[i]);
+          double v=(*actual_map)[i];
           int w;
           if(autoscale)
@@ -94 +94 @@
               w=(int)(v*edge_width);
             }
-          if(w<minimum_edge_width)
-            {
-              w=minimum_edge_width;
-            }
-          if(zoomtrack)
-            {
-              double actual_ppu=get_pixels_per_unit();
-              w=(int)(w/actual_ppu*fixed_zoom_factor);
-            }
-          edgesmap[i]->setLineWidth(w);
+          if(w<0)
+            {
+              edgesmap[i]->hide();
+            }
+          else
+            {
+              edgesmap[i]->show();
+              if(w<minimum_edge_width)
+                {
+                  w=minimum_edge_width;
+                }
+              if(zoomtrack)
+                {
+                  double actual_ppu=get_pixels_per_unit();
+                  w=(int)(w/actual_ppu*fixed_zoom_factor);
+                }
+              edgesmap[i]->setLineWidth(w);
+            }
         }
     }