1 | #pragma rtGlobals=3 // Use modern global access method and strict wave access. |
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2 | |
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3 | |
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4 | // a bunch of utility procedures to get information from the VCALC panel and to access |
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5 | // constants based in which of the detectors I'm trying to work with. Saves a lot of repetitive switches |
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6 | // |
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7 | // start the function names with VCALC_ to avoid the eventual conflicts with the file loading utilities |
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8 | // for reduction of real VSANS data |
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9 | |
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10 | |
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11 | /// Values from the VCALC panel |
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12 | |
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13 | |
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14 | // returns the nominal SDD from the panel -- value is METERS |
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15 | // Does NOT include the set back (offset) of the T/B panels. This is a separate value |
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16 | Function VCALC_getSDD(type) |
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17 | String type |
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18 | |
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19 | Variable sdd |
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20 | |
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21 | strswitch(type) |
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22 | case "FL": |
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23 | case "FR": |
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24 | ControlInfo/W=VCALC VCALCCtrl_2d |
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25 | SDD = V_Value |
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26 | break |
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27 | case "FT": |
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28 | case "FB": |
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29 | ControlInfo/W=VCALC VCALCCtrl_2d |
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30 | SDD = V_Value |
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31 | break |
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32 | |
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33 | case "ML": |
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34 | case "MR": |
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35 | ControlInfo/W=VCALC VCALCCtrl_3d |
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36 | SDD = V_Value |
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37 | break |
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38 | case "MT": |
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39 | case "MB": |
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40 | ControlInfo/W=VCALC VCALCCtrl_3d |
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41 | SDD = V_Value |
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42 | break |
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43 | |
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44 | case "B": |
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45 | ControlInfo/W=VCALC VCALCCtrl_4b |
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46 | SDD = V_Value |
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47 | break |
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48 | |
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49 | default: |
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50 | Print "Error -- type not found in V_getSDD(type)" |
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51 | sdd = NaN //no match for type |
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52 | endswitch |
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53 | |
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54 | return(sdd) |
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55 | end |
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56 | |
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57 | // returns the panel separation [mm] |
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58 | Function VCALC_getPanelSeparation(type) |
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59 | String type |
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60 | |
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61 | Variable sep |
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62 | |
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63 | strswitch(type) |
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64 | case "FL": |
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65 | case "FR": |
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66 | case "FLR": |
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67 | ControlInfo/W=VCALC VCALCCtrl_2a |
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68 | sep = V_Value |
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69 | break |
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70 | case "FT": |
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71 | case "FB": |
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72 | case "FTB": |
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73 | ControlInfo/W=VCALC VCALCCtrl_2b |
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74 | sep = V_Value |
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75 | break |
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76 | |
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77 | case "ML": |
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78 | case "MR": |
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79 | case "MLR": |
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80 | ControlInfo/W=VCALC VCALCCtrl_3a |
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81 | sep = V_Value |
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82 | break |
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83 | case "MT": |
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84 | case "MB": |
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85 | case "MTB": |
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86 | ControlInfo/W=VCALC VCALCCtrl_3b |
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87 | sep = V_Value |
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88 | break |
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89 | |
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90 | case "B": |
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91 | sep = 0 |
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92 | break |
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93 | |
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94 | default: |
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95 | Print "Error -- type not found in VCALC_getPanelSeparation(type)" |
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96 | sep = NaN //no match for type |
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97 | endswitch |
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98 | |
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99 | return(sep) |
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100 | end |
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101 | |
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102 | // returns the lateral panel offset [mm] |
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103 | Function VCALC_getLateralOffset(type) |
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104 | String type |
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105 | |
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106 | Variable offset |
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107 | |
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108 | strswitch(type) |
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109 | case "FL": |
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110 | case "FR": |
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111 | case "FLR": |
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112 | case "FT": |
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113 | case "FB": |
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114 | case "FTB": |
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115 | ControlInfo/W=VCALC VCALCCtrl_2c |
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116 | offset = V_Value |
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117 | break |
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118 | |
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119 | case "ML": |
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120 | case "MR": |
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121 | case "MLR": |
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122 | case "MT": |
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123 | case "MB": |
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124 | case "MTB": |
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125 | ControlInfo/W=VCALC VCALCCtrl_3c |
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126 | offset = V_Value |
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127 | break |
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128 | |
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129 | case "B": |
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130 | ControlInfo/W=VCALC VCALCCtrl_4a |
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131 | offset = V_Value |
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132 | break |
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133 | |
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134 | default: |
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135 | Print "Error -- type not found in VCALC_getLateralOffset(type)" |
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136 | offset = NaN //no match for type |
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137 | endswitch |
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138 | |
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139 | return(offset) |
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140 | end |
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141 | |
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142 | // returns the (mean) wavelength from the panel -- value is angstroms |
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143 | Function VCALC_getWavelength() |
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144 | |
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145 | ControlInfo/W=VCALC VCALCCtrl_0b |
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146 | |
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147 | return(V_Value) |
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148 | end |
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149 | |
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150 | // returns the number of neutrons on the sample |
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151 | Function VCALC_getImon() |
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152 | |
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153 | ControlInfo/W=VCALC VCALCCtrl_5a |
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154 | |
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155 | return(V_Value) |
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156 | end |
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157 | |
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158 | // returns the model function to use |
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159 | Function/S VCALC_getModelFunctionStr() |
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160 | |
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161 | ControlInfo/W=VCALC VCALCCtrl_5b |
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162 | |
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163 | return(S_Value) |
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164 | end |
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165 | |
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166 | |
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167 | |
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168 | /// NVARs set in VCALC space (not necessarily matching the true instrument values) |
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169 | // -- these all set to the proper data folder, then BACK TO ROOT: |
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170 | |
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171 | |
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172 | // return the pixel X size, in [cm] |
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173 | Function VCALC_getPixSizeX(type) |
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174 | String type |
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175 | |
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176 | SetDataFolder root:Packages:NIST:VSANS:VCALC |
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177 | |
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178 | strswitch(type) |
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179 | case "FL": |
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180 | NVAR pixSizeX = front_L_pixelX |
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181 | break |
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182 | case "FR": |
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183 | NVAR pixSizeX = front_R_pixelX |
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184 | break |
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185 | case "FT": |
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186 | NVAR pixSizeX = front_T_pixelX |
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187 | break |
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188 | case "FB": |
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189 | NVAR pixSizeX = front_B_pixelX |
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190 | break |
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191 | |
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192 | case "ML": |
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193 | NVAR pixSizeX = middle_L_pixelX |
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194 | break |
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195 | case "MR": |
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196 | NVAR pixSizeX = middle_R_pixelX |
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197 | break |
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198 | case "MT": |
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199 | NVAR pixSizeX = middle_T_pixelX |
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200 | break |
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201 | case "MB": |
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202 | NVAR pixSizeX = middle_B_pixelX |
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203 | break |
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204 | |
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205 | case "B": |
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206 | NVAR pixSizeX = Back_pixelX |
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207 | break |
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208 | |
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209 | default: |
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210 | Print "Detector type mismatch in V_getPixSizeX(type)" |
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211 | return(NaN) |
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212 | endswitch |
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213 | |
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214 | setDataFolder root: |
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215 | |
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216 | return(pixSizeX) |
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217 | end |
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218 | |
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219 | // return the pixel Y size, in [cm] |
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220 | Function VCALC_getPixSizeY(type) |
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221 | String type |
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222 | |
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223 | SetDataFolder root:Packages:NIST:VSANS:VCALC |
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224 | |
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225 | strswitch(type) |
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226 | case "FL": |
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227 | NVAR pixSizeY = front_L_pixelY |
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228 | break |
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229 | case "FR": |
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230 | NVAR pixSizeY = front_R_pixelY |
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231 | break |
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232 | case "FT": |
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233 | NVAR pixSizeY = front_T_pixelY |
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234 | break |
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235 | case "FB": |
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236 | NVAR pixSizeY = front_B_pixelY |
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237 | break |
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238 | |
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239 | case "ML": |
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240 | NVAR pixSizeY = middle_L_pixelY |
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241 | break |
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242 | case "MR": |
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243 | NVAR pixSizeY = middle_R_pixelY |
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244 | break |
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245 | case "MT": |
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246 | NVAR pixSizeY = middle_T_pixelY |
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247 | break |
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248 | case "MB": |
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249 | NVAR pixSizeY = middle_B_pixelY |
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250 | break |
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251 | |
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252 | case "B": |
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253 | NVAR pixSizeY = Back_pixelY |
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254 | break |
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255 | |
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256 | default: |
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257 | Print "Detector type mismatch in V_getPixSizeY(type)" |
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258 | return(NaN) |
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259 | endswitch |
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260 | |
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261 | setDatafolder root: |
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262 | |
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263 | return(pixSizeY) |
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264 | end |
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265 | |
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266 | // SDD offset of the top/bottom panels |
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267 | // value returned is in mm (so beware) |
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268 | // |
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269 | Function VSANS_getTopBottomSDDOffset(type) |
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270 | String type |
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271 | |
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272 | SetDataFolder root:Packages:NIST:VSANS:VCALC |
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273 | |
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274 | strswitch(type) |
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275 | case "FL": |
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276 | case "FR": |
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277 | return(0) |
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278 | break //already zero, do nothing |
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279 | case "FT": |
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280 | case "FB": |
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281 | NVAR sdd_offset = front_SDDOffset //T/B are 300 mm farther back |
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282 | break |
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283 | |
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284 | case "ML": |
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285 | case "MR": |
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286 | return(0) |
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287 | break //already zero, do nothing |
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288 | case "MT": |
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289 | case "MB": |
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290 | NVAR sdd_offset = Middle_SDDOffset //T/B are 30 cm farther back |
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291 | break |
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292 | |
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293 | case "B": |
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294 | return(0) |
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295 | break //already zero, do nothing |
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296 | |
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297 | default: |
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298 | Print "Error -- type not found in VSANS_getTopBottomSDDOffset(type)" |
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299 | sdd_offset = NaN //no match for type |
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300 | endswitch |
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301 | |
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302 | SetDataFolder root: |
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303 | |
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304 | return(sdd_offset) |
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305 | End |
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306 | |
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307 | |
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308 | /////////// procedure to concatenate I(q) files into a single file |
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309 | // |
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310 | // currently, no rescaling is done, just simple concatentate and sort |
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311 | // |
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