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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