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1 #include "graph_displayer_canvas.h" |
1 #include "graph_displayer_canvas.h" |
2 #include <cmath> |
2 #include <cmath> |
3 |
3 |
|
4 const int minimum_edge_width=2; |
4 |
5 |
5 int GraphDisplayerCanvas::resetEdgeWidth (Edge edge) |
6 int GraphDisplayerCanvas::resetEdgeWidth (Edge edge) |
6 { |
7 { |
7 double min, max; |
8 double min, max; |
8 |
9 |
22 } |
23 } |
23 else |
24 else |
24 { |
25 { |
25 w=(int)(MIN_EDGE_WIDTH+(v-min)/(max-min)*(MAX_EDGE_WIDTH-MIN_EDGE_WIDTH)); |
26 w=(int)(MIN_EDGE_WIDTH+(v-min)/(max-min)*(MAX_EDGE_WIDTH-MIN_EDGE_WIDTH)); |
26 } |
27 } |
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28 if(zoomtrack) |
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29 { |
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30 double actual_ppu=get_pixels_per_unit(); |
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31 w=(int)(w/actual_ppu*fixed_zoom_factor); |
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32 } |
27 edgesmap[i]->setLineWidth(w); |
33 edgesmap[i]->setLineWidth(w); |
28 } |
34 } |
29 } |
35 } |
30 else |
36 else |
31 { |
37 { |
52 { |
58 { |
53 for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
59 for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
54 { |
60 { |
55 double v=fabs((*actual_map)[i]); |
61 double v=fabs((*actual_map)[i]); |
56 int w; |
62 int w; |
57 if(min==max) |
63 if(autoscale) |
58 { |
64 { |
59 w=(int)(edge_property_defaults[E_WIDTH]); |
65 if(min==max) |
60 } |
66 { |
61 else |
67 w=(int)(edge_property_defaults[E_WIDTH]); |
62 { |
68 } |
63 w=(int)(MIN_EDGE_WIDTH+(v-min)/(max-min)*(MAX_EDGE_WIDTH-MIN_EDGE_WIDTH)); |
69 else |
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70 { |
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71 w=(int)(minimum_edge_width+(v-min)/(max-min)*(edge_width-minimum_edge_width)); |
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72 } |
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73 } |
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74 else |
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75 { |
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76 w=(int)(v*edge_width); |
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77 } |
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78 if(w<minimum_edge_width) |
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79 { |
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80 w=minimum_edge_width; |
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81 } |
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82 if(zoomtrack) |
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83 { |
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84 double actual_ppu=get_pixels_per_unit(); |
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85 w=(int)(w/actual_ppu*fixed_zoom_factor); |
64 } |
86 } |
65 edgesmap[i]->setLineWidth(w); |
87 edgesmap[i]->setLineWidth(w); |
66 } |
88 } |
67 } |
89 } |
68 else |
90 else |