pattern_sim: Overhaul and add SASE spectrum simulation

1 files changed, 15 insertions, 0 deletions

diff --git a/libcrystfel/src/image.h b/libcrystfel/src/image.h
index a1ac75a3..0c189cad 100644
--- a/libcrystfel/src/image.h
+++ b/libcrystfel/src/image.h
@@ -44,6 +44,10 @@
 #include "crystal.h"
 #include "index.h"
 
+typedef enum {
+	SPECTRUM_TOPHAT,
+	SPECTRUM_SASE
+} SpectrumType;
 
 /* Structure describing a feature in an image */
 struct imagefeature {
@@ -67,6 +71,13 @@ struct imagefeature {
 /* An opaque type representing a list of image features */
 typedef struct _imagefeaturelist ImageFeatureList;
 
+/* Structure describing a wavelength sample from a spectrum */
+struct sample
+{
+	double k;
+	double weight;
+};
+
 
 /**
  * image:
@@ -144,6 +155,10 @@ struct image {
 	int                     id;   /* ID number of the thread
 	                               * handling this image */
 
+	struct sample           *spectrum;
+	int                     nsamples; /* Number of wavelengths */
+	int                     spectrum_size;  /* Size of "spectrum" */
+
 	/* Per-shot radiation values */
 	double                  lambda;        /* Wavelength in m */
 	double                  div;           /* Divergence in radians */