1 | #pragma rtGlobals=1 // Use modern global access method. |
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2 | #pragma version=3.00 |
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3 | #pragma IgorVersion=6.0 |
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4 | |
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5 | //Functions for doing USANS Slit smearing by method of weight matrix |
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6 | //Routines originally from J Barker fortran code |
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7 | //Translated to IGOR by M-H Kim |
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8 | //Updated to use IGOR features and integrated into SANS Macros by A J Jackson |
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9 | // |
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10 | // AJJ |
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11 | // July 26 2007 - Modified functions to work with new SANS Analysis Macros |
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12 | // - pass basestr to functions to determine wave names and avoid globals |
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13 | // - pass dQv to functions to avoid globals |
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14 | // - pass N to CalcR to avoid globals |
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15 | |
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16 | // |
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17 | |
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18 | Function USANS_CalcWeights(basestr, dQv) |
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19 | String basestr |
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20 | Variable dQv |
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21 | |
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22 | Variable/G USANS_N=numpnts($(basestr+"_q")) |
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23 | Variable/G USANS_dQv = dQv |
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24 | String/G USANS_basestr = basestr |
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25 | |
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26 | Make/D/O/N=(USANS_N,USANS_N) $(basestr+"_res") |
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27 | Make/D/O/N=(USANS_N,USANS_N) W1mat |
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28 | Make/D/O/N=(USANS_N,USANS_N) W2mat |
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29 | Make/D/O/N=(USANS_N,USANS_N) Rmat |
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30 | Wave weights = $(basestr+"_res") |
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31 | |
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32 | //Variable/G USANS_m = EnterSlope(baseStr) |
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33 | Variable/G USANS_m = -4 |
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34 | Variable/G USANS_slope_numpnts = 10 |
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35 | |
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36 | EnterSlope(basestr) |
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37 | |
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38 | print USANS_m |
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39 | |
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40 | if (USANS_m == 999) |
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41 | KillWaves/Z $(basestr+"_res"),W1Mat,W2mat,Rmat |
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42 | return(1) |
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43 | endif |
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44 | |
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45 | Variable tref = startMSTimer |
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46 | print "Calculating W1..." |
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47 | W1mat = (p <= q ) && (q <= USANS_N-2) ? CalcW1(p,q) : 0 |
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48 | print "Calculating W2..." |
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49 | W2mat = (p+1 <= q ) && (q <= USANS_N-1) ? CalcW2(p,q) : 0 |
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50 | print "Calculating Remainders..." |
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51 | Rmat = (q == USANS_N-1) ? CalcR(p) : 0 |
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52 | // print "Summing weights..." |
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53 | weights = W1mat + W2mat + Rmat |
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54 | print "Done" |
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55 | Variable ms = stopMSTimer(tref) |
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56 | print "Time elapsed = ", ms/1e6, "s" |
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57 | //return Weights |
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58 | End |
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59 | |
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60 | Function EnterSlope(baseStr) |
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61 | String baseStr |
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62 | |
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63 | // Variable slope=-4 |
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64 | |
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65 | // Prompt slope "Enter a slope for the file \""+ baseStr + "\"" |
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66 | // DoPrompt "Enter Slope", slope |
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67 | // If (V_Flag) |
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68 | // return (999) //return a bogus slope if the user canceled |
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69 | // Endif |
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70 | // print "slope=", slope |
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71 | // return slope |
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72 | |
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73 | NewPanel /K=1/W=(1141,543,1548,910)/N=USANS_Slope as "USANS Slope Extrapolation" |
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74 | SetDrawLayer UserBack |
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75 | Button button_OK,pos={294,317},size={100,20},title="Accept Slope",font="Geneva" |
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76 | Button button_OK,proc=USANS_Slope_ButtonProc |
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77 | Button button_Cancel,pos={233,317},size={55,20},title="Cancel",font="Geneva" |
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78 | Button button_Cancel,proc=USANS_Slope_ButtonProc |
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79 | SetVariable setvar_numpnts, pos={43,350}, size={150,19}, title="# Points",fSize=13 |
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80 | SetVariable setvar_numpnts, value= USANS_slope_numpnts |
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81 | SetVariable setvar_Slope,pos={43,321},size={100,19},title="Slope",fSize=13 |
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82 | SetVariable setvar_Slope,limits={-inf,inf,0},value= USANS_m |
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83 | Display/W=(9,6,402,305)/HOST=USANS_Slope $(basestr+"_i") vs $(basestr+"_q") |
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84 | RenameWindow #,SlopePlot |
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85 | ModifyGraph log=1 |
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86 | SetActiveSubwindow ## |
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87 | |
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88 | Print GetDataFolder(1) |
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89 | PauseForUser USANS_Slope |
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90 | Print GetDataFolder(1) |
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91 | // return slope |
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92 | |
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93 | End |
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94 | |
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95 | Function USANS_Slope_ButtonProc(ctrlName) : ButtonControl |
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96 | String ctrlName |
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97 | |
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98 | NVAR USANS_m |
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99 | |
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100 | strswitch (ctrlName) |
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101 | case "button_OK": |
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102 | ControlUpdate/W=USANS_Slope setvar_Slope |
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103 | DoWindow/K USANS_Slope |
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104 | break |
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105 | case "button_Cancel": |
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106 | DoWindow/K USANS_Slope |
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107 | USANS_m = 999 |
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108 | break |
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109 | endswitch |
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110 | |
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111 | |
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112 | End |
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113 | |
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114 | Function CalcW1(i,j) |
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115 | |
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116 | Variable i,j |
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117 | SVAR USANS_basestr |
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118 | NVAR dQv = USANS_dQv |
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119 | |
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120 | Variable UU,UL,dqj,rU,rL,wU,wL,dqw |
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121 | Wave Qval = $(USANS_basestr+"_q") |
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122 | |
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123 | UU =sqrt(Qval[j+1]^2-Qval[i]^2) |
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124 | UL = sqrt(Qval[j]^2-Qval[i]^2) |
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125 | dqw = Qval[j+1]-Qval[j] |
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126 | rU = sqrt(UU^2+Qval[i]^2) |
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127 | rL = sqrt(UL^2+Qval[i]^2) |
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128 | |
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129 | wU = (1.0/dQv)*(Qval[j+1]*UU/dqw - 0.5*UU*rU/dqw - 0.5*Qval[i]^2*ln(UU+rU)/dqw ) |
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130 | wL = (1.0/dQv)*(Qval[j+1]*UL/dqw - 0.5*UL*rL/dqw - 0.5*Qval[i]^2*ln(UL+rL)/dqw ) |
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131 | |
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132 | Return wU-wL |
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133 | |
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134 | End |
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135 | |
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136 | Function CalcW2(i,j) |
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137 | |
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138 | Variable i,j |
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139 | |
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140 | SVAR USANS_basestr |
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141 | NVAR dQv = USANS_dQv |
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142 | |
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143 | variable UU,UL,dqw,rU,rL,wU,wL |
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144 | |
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145 | Wave Qval = $(USANS_basestr+"_q") |
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146 | |
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147 | UU = sqrt(Qval[j]^2-Qval[i]^2) |
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148 | UL = sqrt(Qval[j-1]^2-Qval[i]^2) |
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149 | dqw = Qval[j]-Qval[j-1] |
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150 | rU = sqrt(UU^2+Qval[i]^2) |
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151 | rL = sqrt(UL^2+Qval[i]^2) |
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152 | wU = (1.0/dQv)*( -Qval[j-1]*UU/dqw + 0.5*UU*rU/dqw + 0.5*Qval[i]^2*ln(UU+rU)/dqw ) |
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153 | wL = (1.0/dQv)*( -Qval[j-1]*UL/dqw + 0.5*UL*rL/dqw + 0.5*Qval[i]^2*ln(UL+rL)/dqw ) |
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154 | |
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155 | Return wU-wL |
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156 | |
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157 | End |
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158 | |
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159 | Function CalcR(i) |
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160 | |
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161 | Variable i |
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162 | |
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163 | SVAR USANS_basestr |
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164 | NVAR m = USANS_m |
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165 | NVAR N = USANS_N |
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166 | NVAR dQv = USANS_dQv |
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167 | |
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168 | Variable retval |
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169 | Wave Qval = $(USANS_basestr+"_q") |
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170 | Wave Ival = $(USANS_basestr+"_i") |
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171 | Variable/G USANS_intQpt = Qval[i] |
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172 | |
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173 | Variable lower = sqrt(qval[N-1]^2-qval[i]^2) |
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174 | Variable upper = dQv |
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175 | |
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176 | if (i == N) |
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177 | lower = 0 |
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178 | endif |
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179 | |
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180 | retval = Integrate1D(Remainder,lower,upper) |
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181 | |
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182 | retval *= 1/dQv |
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183 | |
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184 | Return retval |
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185 | |
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186 | End |
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187 | |
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188 | Function Remainder(i) |
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189 | |
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190 | Variable i |
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191 | |
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192 | SVAR USANS_basestr |
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193 | NVAR m = USANS_m |
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194 | NVAR qi = USANS_intQpt |
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195 | NVAR N = USANS_N |
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196 | WAVE Qval = $(USANS_basestr+"_q") |
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197 | Variable retVal |
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198 | |
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199 | retVal=Qval[N-1]^(-m)*(i^2+qi^2)^(m/2) |
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200 | |
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201 | return retval |
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202 | |
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203 | End |
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204 | |
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205 | Window USANS_Slope() : Panel |
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206 | PauseUpdate; Silent 1 // building window... |
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207 | NewPanel /K=1/W=(1141,543,1548,910) as "USANS Slope Extrapolation" |
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208 | SetDrawLayer UserBack |
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209 | Button button_OK,pos={294,317},size={100,20},title="Accept Slope",font="Geneva" |
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210 | Button button_Cancel,pos={233,317},size={55,20},title="Cancel",font="Geneva" |
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211 | SetVariable setvar_Slope,pos={43,321},size={100,19},title="Slope",fSize=13 |
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212 | SetVariable setvar_Slope,limits={-inf,inf,0},value= USANS_m |
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213 | Display/W=(9,6,402,305)/HOST=# |
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214 | RenameWindow #,G0 |
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215 | SetActiveSubwindow ## |
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216 | EndMacro |
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