| 1 | from visual import * |
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| 2 | |
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| 3 | elevation_color = (0.3,0.4,0.5) |
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| 4 | stage_color = (0.1,0.4,0.99) |
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| 5 | other_color = (0.99,0.4,0.1) |
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| 6 | |
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| 7 | class Visualiser: |
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| 8 | |
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| 9 | def __init__(self,domain,scale_z=1.0): |
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| 10 | """Create visualisation of domain |
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| 11 | """ |
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| 12 | |
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| 13 | self.frame = frame() |
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| 14 | |
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| 15 | self.domain = domain |
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| 16 | self.scale_z = scale_z |
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| 17 | self.vertices = domain.vertex_coordinates |
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| 18 | |
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| 19 | |
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| 20 | # models for each quantity |
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| 21 | self.z_models = {} |
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| 22 | keys = self.domain.quantities.keys() |
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| 23 | #print keys |
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| 24 | for key in keys: |
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| 25 | self.z_models[key] = faces(frame= self.frame) |
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| 26 | |
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| 27 | #print self.z_models |
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| 28 | |
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| 29 | self.max_x = max(max(self.vertices[:,0]),max(self.vertices[:,2]),max(self.vertices[:,4])) |
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| 30 | self.min_x = min(min(self.vertices[:,0]),min(self.vertices[:,2]),min(self.vertices[:,4])) |
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| 31 | self.max_y = max(max(self.vertices[:,1]),max(self.vertices[:,3]),max(self.vertices[:,5])) |
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| 32 | self.min_y = min(min(self.vertices[:,1]),min(self.vertices[:,3]),min(self.vertices[:,5])) |
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| 33 | self.range_x = self.max_x - self.min_x |
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| 34 | self.range_y = self.max_y - self.min_y |
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| 35 | self.range_xy = max(self.range_x, self.range_y) |
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| 36 | |
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| 37 | # print 'min_x=',self.min_x |
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| 38 | # print 'max_x=',self.max_x |
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| 39 | # print 'range_x=',self.range_x |
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| 40 | # print 'min_y=',self.min_y |
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| 41 | # print 'max_y=',self.max_y |
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| 42 | # print 'range_y',self.range_y |
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| 43 | |
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| 44 | |
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| 45 | |
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| 46 | |
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| 47 | #print self.max_x, self.min_x, self.max_y, self.min_y, |
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| 48 | #self.min_bed print self.max_bed, self.range_x, self.range_y, |
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| 49 | #self.range_xy, self.range_bed |
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| 50 | #print 'Calculating triangles' |
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| 51 | |
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| 52 | self.pos = zeros( (6*len(domain),3), Float) |
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| 53 | self.colour = zeros( (6*len(domain),3), Float) |
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| 54 | self.normals = zeros( (6*len(domain),3), Float) |
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| 55 | |
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| 56 | #print 'keys',self.domain.quantities.keys() |
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| 57 | #print 'shape of stage',shape(self.stage) |
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| 58 | |
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| 59 | setup_scene() |
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| 60 | |
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| 61 | self.border_model = curve(frame = self.frame, |
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| 62 | pos=[(0,0),(0,1),(1,1),(1,0),(0,0)]) |
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| 63 | self.timer=label(pos=(0.75,0.75,0.5),text='Time=%10.5e'%self.domain.time, |
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| 64 | visible=False) |
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| 65 | |
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| 66 | |
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| 67 | scene.autoscale=1 |
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| 68 | #self.update_all() |
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| 69 | #scene.uniform=0 |
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| 70 | self.range_z = 1.0 |
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| 71 | if domain.visualise_range_z == None: |
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| 72 | self.setup_range_z() |
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| 73 | else: |
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| 74 | self.range_z = domain.visualise_range_z |
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| 75 | |
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| 76 | self.max_z = self.range_z/2.0 |
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| 77 | self.min_z = -self.range_z/2.0 |
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| 78 | self.range_z = max(self.max_z - self.min_z, 1.0e-10) |
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| 79 | |
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| 80 | print self.range_z |
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| 81 | print self.max_z |
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| 82 | print self.min_z |
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| 83 | |
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| 84 | def setup_range_z(self,qname1='elevation',qname2='stage'): |
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| 85 | |
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| 86 | #print qname1 |
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| 87 | #print qname2 |
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| 88 | range_z = 1.0e-10 |
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| 89 | try: |
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| 90 | q1 = self.domain.quantities[qname1].vertex_values |
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| 91 | max_z = max(max(q1)) |
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| 92 | min_z = min(min(q1)) |
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| 93 | print max_z, min_z |
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| 94 | range_z = max(range_z, max_z - min_z) |
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| 95 | except: |
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| 96 | print 'Visualisation: could not find range of '+qname1 |
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| 97 | pass |
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| 98 | |
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| 99 | try: |
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| 100 | q2 = self.domain.quantities[qname2].vertex_values |
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| 101 | max_z = max(max(q2)) |
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| 102 | min_z = min(min(q2)) |
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| 103 | print max_z, min_z |
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| 104 | range_z = max(range_z, max_z - min_z) |
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| 105 | except: |
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| 106 | print 'Visualisation: could not find range of '+qname2 |
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| 107 | pass |
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| 108 | |
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| 109 | self.range_z = max(range_z,self.range_z) |
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| 110 | |
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| 111 | def update_all(self): |
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| 112 | |
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| 113 | self.update_quantity('elevation',elevation_color) |
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| 114 | self.update_quantity('stage',stage_color) |
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| 115 | |
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| 116 | def update_timer(self): |
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| 117 | |
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| 118 | if self.domain.visualise_timer == True: |
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| 119 | self.timer.visible = True |
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| 120 | self.timer.text='Time=%10.5e'%self.domain.time |
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| 121 | |
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| 122 | |
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| 123 | def update_quantity(self,qname,qcolor=None,scale_z=None): |
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| 124 | |
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| 125 | #print 'update '+qname+' arrays' |
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| 126 | |
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| 127 | if qcolor is None: |
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| 128 | qcolor = other_color |
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| 129 | |
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| 130 | if qname=='elevation': |
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| 131 | qcolor = elevation_color |
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| 132 | |
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| 133 | if qname=='stage': |
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| 134 | qcolor = stage_color |
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| 135 | |
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| 136 | if scale_z is None: |
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| 137 | scale_z = self.scale_z |
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| 138 | |
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| 139 | try: |
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| 140 | self.update_arrays(self.domain.quantities[qname].vertex_values, qcolor, scale_z) |
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| 141 | |
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| 142 | #print 'update bed image' |
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| 143 | self.z_models[qname].pos = self.pos |
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| 144 | self.z_models[qname].color = self.colour |
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| 145 | self.z_models[qname].normal = self.normals |
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| 146 | except: |
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| 147 | print 'Visualisation: Could not update quantity '+qname |
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| 148 | pass |
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| 149 | |
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| 150 | def update_quantity_color(self,qname,qcolor=None,scale_z=None): |
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| 151 | |
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| 152 | #print 'update '+qname+' arrays' |
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| 153 | |
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| 154 | if qcolor is None: |
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| 155 | if qname=='elevation': |
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| 156 | qcolor = elevation_color |
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| 157 | |
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| 158 | if qname=='stage': |
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| 159 | qcolor = stage_color |
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| 160 | |
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| 161 | if scale_z is None: |
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| 162 | scale_z = self.scale_z |
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| 163 | |
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| 164 | #try: |
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| 165 | self.update_arrays_color(self.domain.quantities[qname].vertex_values, qcolor, scale_z) |
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| 166 | |
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| 167 | #print 'update bed image' |
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| 168 | self.z_models[qname].pos = self.pos |
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| 169 | self.z_models[qname].color = self.colour |
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| 170 | self.z_models[qname].normal = self.normals |
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| 171 | #except: |
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| 172 | # print 'Visualisation: Could not update quantity '+qname |
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| 173 | # pass |
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| 174 | |
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| 175 | |
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| 176 | def update_arrays(self,quantity,qcolor,scale_z): |
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| 177 | |
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| 178 | col = asarray(qcolor) |
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| 179 | |
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| 180 | N = len(self.domain) |
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| 181 | |
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| 182 | min_x = self.min_x |
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| 183 | min_y = self.min_y |
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| 184 | range_xy = self.range_xy |
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| 185 | range_z = self.range_z |
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| 186 | |
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| 187 | vertices = self.vertices |
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| 188 | pos = self.pos |
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| 189 | normals = self.normals |
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| 190 | colour = self.colour |
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| 191 | |
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| 192 | try: |
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| 193 | update_arrays_weave(vertices,quantity,col,pos,normals,colour,N, |
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| 194 | min_x,min_y,range_xy,range_z,scale_z) |
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| 195 | except: |
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| 196 | update_arrays_python(vertices,quantity,col,pos,normals,colour,N, |
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| 197 | min_x,min_y,range_xy,range_z,scale_z) |
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| 198 | |
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| 199 | |
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| 200 | def update_arrays_color(self,quantity,qcolor,scale_z): |
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| 201 | |
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| 202 | col = asarray(qcolor) |
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| 203 | |
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| 204 | N = len(self.domain) |
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| 205 | |
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| 206 | min_x = self.min_x |
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| 207 | min_y = self.min_y |
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| 208 | range_xy = self.range_xy |
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| 209 | range_z = self.range_z |
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| 210 | |
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| 211 | vertices = self.vertices |
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| 212 | pos = self.pos |
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| 213 | normals = self.normals |
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| 214 | colour = self.colour |
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| 215 | |
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| 216 | #try: |
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| 217 | update_arrays_color_python(vertices,quantity,col,pos,normals,colour,N, |
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| 218 | min_x,min_y,range_xy,range_z,scale_z) |
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| 219 | #except: |
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| 220 | # update_arrays_color_python(vertices,quantity,col,pos,normals,colour,N, |
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| 221 | # min_x,min_y,range_xy,range_z,scale_z) |
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| 222 | |
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| 223 | |
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| 224 | #================================================================================== |
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| 225 | |
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| 226 | def update_arrays_python(vertices,quantity,col,pos,normals,colour,N, |
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| 227 | min_x,min_y,range_xy,range_z,scale_z): |
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| 228 | |
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| 229 | from math import sqrt |
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| 230 | normal = zeros( 3, Float) |
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| 231 | v = zeros( (3,3), Float) |
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| 232 | s = 1.0 |
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| 233 | |
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| 234 | for i in range( N ): |
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| 235 | |
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| 236 | for j in range(3): |
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| 237 | v[j,0] = (vertices[i,2*j ]-min_x)/range_xy |
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| 238 | v[j,1] = (vertices[i,2*j+1]-min_y)/range_xy |
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| 239 | v[j,2] = quantity[i,j]/range_z*scale_z*0.5 |
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| 240 | |
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| 241 | v10 = v[1,:]-v[0,:] |
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| 242 | v20 = v[2,:]-v[0,:] |
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| 243 | |
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| 244 | normal[0] = v10[1]*v20[2] - v20[1]*v10[2] |
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| 245 | normal[1] = v10[2]*v20[0] - v20[2]*v10[0] |
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| 246 | normal[2] = v10[0]*v20[1] - v20[0]*v10[1] |
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| 247 | |
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| 248 | norm = sqrt( normal[0]**2 + normal[1]**2 + normal[2]**2) |
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| 249 | |
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| 250 | normal[0] = normal[0]/norm |
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| 251 | normal[1] = normal[1]/norm |
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| 252 | normal[2] = normal[2]/norm |
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| 253 | |
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| 254 | pos[6*i ,:] = v[0,:] |
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| 255 | pos[6*i+1,:] = v[1,:] |
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| 256 | pos[6*i+2,:] = v[2,:] |
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| 257 | pos[6*i+3,:] = v[0,:] |
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| 258 | pos[6*i+4,:] = v[2,:] |
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| 259 | pos[6*i+5,:] = v[1,:] |
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| 260 | |
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| 261 | |
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| 262 | |
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| 263 | colour[6*i ,:] = s*col |
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| 264 | colour[6*i+1,:] = s*col |
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| 265 | colour[6*i+2,:] = s*col |
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| 266 | colour[6*i+3,:] = s*col |
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| 267 | colour[6*i+4,:] = s*col |
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| 268 | colour[6*i+5,:] = s*col |
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| 269 | |
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| 270 | s = 15.0/8.0 - s |
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| 271 | |
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| 272 | normals[6*i ,:] = normal |
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| 273 | normals[6*i+1,:] = normal |
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| 274 | normals[6*i+2,:] = normal |
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| 275 | normals[6*i+3,:] = -normal |
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| 276 | normals[6*i+4,:] = -normal |
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| 277 | normals[6*i+5,:] = -normal |
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| 278 | |
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| 279 | |
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| 280 | |
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| 281 | def update_arrays_weave(vertices,quantity,col,pos,normals,colour, |
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| 282 | N,min_x,min_y,range_xy,range_z,scale_z): |
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| 283 | |
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| 284 | import weave |
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| 285 | from weave import converters |
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| 286 | |
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| 287 | from math import sqrt |
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| 288 | normal = zeros( 3, Float) |
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| 289 | v = zeros( (3,3), Float) |
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| 290 | v10 = zeros( 3, Float) |
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| 291 | v20 = zeros( 3, Float) |
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| 292 | |
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| 293 | code1 = """ |
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| 294 | double s = 1.0; |
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| 295 | |
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| 296 | for (int i=0; i<N ; i++ ) { |
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| 297 | for (int j=0; j<3 ; j++) { |
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| 298 | v(j,0) = (vertices(i,2*j )-min_x)/range_xy; |
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| 299 | v(j,1) = (vertices(i,2*j+1)-min_y)/range_xy; |
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| 300 | v(j,2) = quantity(i,j)/range_z*scale_z*0.5; |
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| 301 | } |
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| 302 | |
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| 303 | |
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| 304 | for (int j=0; j<3; j++) { |
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| 305 | v10(j) = v(1,j)-v(0,j); |
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| 306 | v20(j) = v(2,j)-v(0,j); |
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| 307 | } |
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| 308 | |
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| 309 | normal(0) = v10(1)*v20(2) - v20(1)*v10(2); |
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| 310 | normal(1) = v10(2)*v20(0) - v20(2)*v10(0); |
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| 311 | normal(2) = v10(0)*v20(1) - v20(0)*v10(1); |
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| 312 | |
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| 313 | double norm = sqrt(normal(0)*normal(0) + normal(1)*normal(1) + normal(2)*normal(2)); |
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| 314 | |
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| 315 | normal(0) = normal(0)/norm; |
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| 316 | normal(1) = normal(1)/norm; |
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| 317 | normal(2) = normal(2)/norm; |
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| 318 | |
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| 319 | |
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| 320 | for (int j=0; j<3; j++) { |
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| 321 | pos(6*i ,j) = v(0,j); |
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| 322 | pos(6*i+1,j) = v(1,j); |
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| 323 | pos(6*i+2,j) = v(2,j); |
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| 324 | pos(6*i+3,j) = v(0,j); |
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| 325 | pos(6*i+4,j) = v(2,j); |
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| 326 | pos(6*i+5,j) = v(1,j); |
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| 327 | |
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| 328 | colour(6*i ,j) = s*col(j); |
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| 329 | colour(6*i+1,j) = s*col(j); |
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| 330 | colour(6*i+2,j) = s*col(j); |
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| 331 | colour(6*i+3,j) = s*col(j); |
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| 332 | colour(6*i+4,j) = s*col(j); |
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| 333 | colour(6*i+5,j) = s*col(j); |
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| 334 | |
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| 335 | normals(6*i ,j) = normal(j); |
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| 336 | normals(6*i+1,j) = normal(j); |
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| 337 | normals(6*i+2,j) = normal(j); |
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| 338 | normals(6*i+3,j) = -normal(j); |
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| 339 | normals(6*i+4,j) = -normal(j); |
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| 340 | normals(6*i+5,j) = -normal(j); |
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| 341 | } |
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| 342 | |
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| 343 | s = 15.0/8.0 - s; |
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| 344 | } |
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| 345 | |
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| 346 | """ |
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| 347 | |
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| 348 | weave.inline(code1, ['vertices','quantity','col','pos','normals','colour','N', |
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| 349 | 'min_x','min_y','range_xy','range_z','scale_z','v','normal','v10','v20'], |
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| 350 | type_converters = converters.blitz, compiler='gcc'); |
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| 351 | |
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| 352 | def update_arrays_color_python(vertices,quantity,col,pos,normals,colour,N, |
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| 353 | min_x,min_y,range_xy,range_z,scale_z): |
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| 354 | |
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| 355 | from math import sqrt |
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| 356 | normal = zeros( 3, Float) |
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| 357 | v = zeros( (3,3), Float) |
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| 358 | s = 1.0 |
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| 359 | |
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| 360 | for i in range( N ): |
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| 361 | |
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| 362 | for j in range(3): |
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| 363 | v[j,0] = (vertices[i,2*j ]-min_x)/range_xy |
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| 364 | v[j,1] = (vertices[i,2*j+1]-min_y)/range_xy |
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| 365 | v[j,2] = quantity[i,j]/range_z*scale_z*0.5 |
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| 366 | |
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| 367 | v10 = v[1,:]-v[0,:] |
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| 368 | v20 = v[2,:]-v[0,:] |
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| 369 | |
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| 370 | normal[0] = v10[1]*v20[2] - v20[1]*v10[2] |
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| 371 | normal[1] = v10[2]*v20[0] - v20[2]*v10[0] |
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| 372 | normal[2] = v10[0]*v20[1] - v20[0]*v10[1] |
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| 373 | |
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| 374 | norm = sqrt( normal[0]**2 + normal[1]**2 + normal[2]**2) |
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| 375 | |
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| 376 | normal[0] = normal[0]/norm |
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| 377 | normal[1] = normal[1]/norm |
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| 378 | normal[2] = normal[2]/norm |
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| 379 | |
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| 380 | pos[6*i ,:] = v[0,:] |
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| 381 | pos[6*i+1,:] = v[1,:] |
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| 382 | pos[6*i+2,:] = v[2,:] |
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| 383 | pos[6*i+3,:] = v[0,:] |
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| 384 | pos[6*i+4,:] = v[2,:] |
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| 385 | pos[6*i+5,:] = v[1,:] |
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| 386 | |
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| 387 | q0 = quantity[i,0]/0.4 |
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| 388 | q1 = quantity[i,1]/0.4 |
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| 389 | q2 = quantity[i,2]/0.4 |
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| 390 | |
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| 391 | q0r = min(q0,0.0) |
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| 392 | q1r = min(q1,0.0) |
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| 393 | q2r = min(q2,0.0) |
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| 394 | q0b = max(q0,0.0) |
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| 395 | q1b = max(q1,0.0) |
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| 396 | q2b = max(q2,0.0) |
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| 397 | |
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| 398 | |
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| 399 | colour[6*i ,:] = s*array([0.3 - q0r, 0.3 - q0, 0.3 + q0b]) |
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| 400 | colour[6*i+1,:] = s*array([0.3 - q1r, 0.3 - q1, 0.3 + q1b]) |
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| 401 | colour[6*i+2,:] = s*array([0.3 - q2r, 0.3 - q2, 0.3 + q2b]) |
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| 402 | colour[6*i+3,:] = s*array([0.3 - q0r, 0.3 - q0, 0.3 + q0b]) |
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| 403 | colour[6*i+4,:] = s*array([0.3 - q2r, 0.3 - q2, 0.3 + q2b]) |
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| 404 | colour[6*i+5,:] = s*array([0.3 - q1r, 0.3 - q1, 0.3 + q1b]) |
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| 405 | |
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| 406 | s = 15.0/8.0 - s |
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| 407 | |
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| 408 | normals[6*i ,:] = normal |
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| 409 | normals[6*i+1,:] = normal |
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| 410 | normals[6*i+2,:] = normal |
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| 411 | normals[6*i+3,:] = -normal |
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| 412 | normals[6*i+4,:] = -normal |
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| 413 | normals[6*i+5,:] = -normal |
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| 414 | |
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| 415 | |
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| 416 | |
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| 417 | def update_arrays_color_weave(vertices,quantity,col,pos,normals,colour, |
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| 418 | N,min_x,min_y,range_xy,range_z,scale_z): |
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| 419 | |
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| 420 | import weave |
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| 421 | from weave import converters |
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| 422 | |
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| 423 | from math import sqrt |
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| 424 | normal = zeros( 3, Float) |
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| 425 | v = zeros( (3,3), Float) |
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| 426 | v10 = zeros( 3, Float) |
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| 427 | v20 = zeros( 3, Float) |
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| 428 | |
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| 429 | code1 = """ |
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| 430 | double s = 1.0; |
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| 431 | |
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| 432 | for (int i=0; i<N ; i++ ) { |
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| 433 | for (int j=0; j<3 ; j++) { |
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| 434 | v(j,0) = (vertices(i,2*j )-min_x)/range_xy; |
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| 435 | v(j,1) = (vertices(i,2*j+1)-min_y)/range_xy; |
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| 436 | v(j,2) = quantity(i,j)/range_z*scale_z*0.5; |
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| 437 | } |
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| 438 | |
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| 439 | |
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| 440 | for (int j=0; j<3; j++) { |
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| 441 | v10(j) = v(1,j)-v(0,j); |
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| 442 | v20(j) = v(2,j)-v(0,j); |
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| 443 | } |
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| 444 | |
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| 445 | normal(0) = v10(1)*v20(2) - v20(1)*v10(2); |
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| 446 | normal(1) = v10(2)*v20(0) - v20(2)*v10(0); |
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| 447 | normal(2) = v10(0)*v20(1) - v20(0)*v10(1); |
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| 448 | |
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| 449 | double norm = sqrt(normal(0)*normal(0) + normal(1)*normal(1) + normal(2)*normal(2)); |
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| 450 | |
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| 451 | normal(0) = normal(0)/norm; |
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| 452 | normal(1) = normal(1)/norm; |
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| 453 | normal(2) = normal(2)/norm; |
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| 454 | |
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| 455 | |
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| 456 | |
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| 457 | for (int j=0; j<3; j++) { |
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| 458 | pos(6*i ,j) = v(0,j); |
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| 459 | pos(6*i+1,j) = v(1,j); |
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| 460 | pos(6*i+2,j) = v(2,j); |
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| 461 | pos(6*i+3,j) = v(0,j); |
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| 462 | pos(6*i+4,j) = v(2,j); |
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| 463 | pos(6*i+5,j) = v(1,j); |
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| 464 | |
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| 465 | normals(6*i ,j) = normal(j); |
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| 466 | normals(6*i+1,j) = normal(j); |
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| 467 | normals(6*i+2,j) = normal(j); |
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| 468 | normals(6*i+3,j) = -normal(j); |
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| 469 | normals(6*i+4,j) = -normal(j); |
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| 470 | normals(6*i+5,j) = -normal(j); |
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| 471 | } |
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| 472 | |
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| 473 | s = 0.2+fabs((v(0,2)+v(1,2)+v(2,2))/3.0); |
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| 474 | for (int j=0; j<3; j++) { |
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| 475 | colour(6*i ,j) = s*col(j); |
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| 476 | colour(6*i+1,j) = s*col(j); |
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| 477 | colour(6*i+2,j) = s*col(j); |
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| 478 | colour(6*i+3,j) = s*col(j); |
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| 479 | colour(6*i+4,j) = s*col(j); |
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| 480 | colour(6*i+5,j) = s*col(j); |
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| 481 | } |
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| 482 | s = 15.0/8.0 - s; |
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| 483 | } |
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| 484 | |
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| 485 | """ |
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| 486 | |
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| 487 | weave.inline(code1, ['vertices','quantity','col','pos','normals','colour','N', |
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| 488 | 'min_x','min_y','range_xy','range_z','scale_z','v','normal','v10','v20'], |
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| 489 | type_converters = converters.blitz, compiler='gcc'); |
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| 490 | |
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| 491 | |
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| 492 | def setup_scene(): |
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| 493 | |
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| 494 | from visual import * |
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| 495 | #scene.width = 1000 |
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| 496 | #scene.height = 800 |
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| 497 | |
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| 498 | #Original |
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| 499 | scene.center = (0.5,0.5,0.0) |
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| 500 | scene.forward = vector(-0.0, 0.5, -0.8) |
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| 501 | |
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| 502 | #Temporary (for bedslope) |
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| 503 | #scene.forward = vector(0.0006, 0.7, -0.03) |
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| 504 | |
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| 505 | |
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| 506 | #Temporary for hackett - begin |
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| 507 | #scene.autoscale = 0 |
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| 508 | #scene.scale = (0.002, 0.002, 0.01) #Scale z so that countours stand out more |
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| 509 | #scene.center = (300.0,500.0,-10) |
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| 510 | #Temporary for hackett - end |
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| 511 | |
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| 512 | |
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| 513 | scene.ambient = 0.4 |
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| 514 | #scene.lights = [(0.6, 0.3, 0.2), (0.1, -0.5, 0.4), (-0.1, 0.1, -0.4), |
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| 515 | # (-0.2, 0.2, 0.1)] |
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| 516 | |
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| 517 | scene.lights = [(0.6, 0.3, 0.2), (0.1, -0.5, 0.4)] |
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| 518 | |
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| 519 | |
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| 520 | |
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| 521 | def create_surface(domain,scale_z=1.0): |
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| 522 | |
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| 523 | visualiser = Visualiser(domain,scale_z) |
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| 524 | domain.visualiser = visualiser |
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| 525 | |
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| 526 | visualiser.update_quantity('elevation') |
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| 527 | visualiser.update_quantity('stage') |
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| 528 | visualiser.update_timer() |
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| 529 | |
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| 530 | def update(domain): |
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| 531 | |
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| 532 | visualiser = domain.visualiser |
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| 533 | if domain.visualise_color_stage: |
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| 534 | visualiser.update_quantity_color('stage') |
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| 535 | else: |
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| 536 | visualiser.update_quantity('stage') |
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| 537 | |
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| 538 | visualiser.update_timer() |
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