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--- gem_instrumental_peakshape [2009/08/28 08:46] – clare
+++ gem_instrumental_peakshape [2025/09/19 15:18] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== gem_instrumental_peakshape ======
+Description: "old" gem tof peak shape; wifd_mic probably does a better job.
+Contributed by: John Evans
+<code topas>
+macro gem_instrumental_peakshape( ,prma0, ,prma1, ,prmb0, ,prmb1)
+{
+   push_peak
+      exp_conv_const = prma0 + prma1 / D_spacing;
+	bring_2nd_peak_to_top
+      user_defined_convolution
+          = prmb0 Exp(- prmb1  X) / D_spacing^4;
+            min 0
+            max = -Ln(0.001) / prmb1;
+   add_pop_1st_2nd_peak
+      peak_buffer_step 1 'report_on
+}
+</code>