From cae96eaf563f6698b69e142cbf19da0f2888b2bb Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Wed, 12 Feb 2014 15:18:36 +0100
Subject: partial_sim: Add --images

---
 libcrystfel/src/hdf5-file.c | 89 +++++++++++++++++++++++----------------------
 1 file changed, 46 insertions(+), 43 deletions(-)

(limited to 'libcrystfel')

diff --git a/libcrystfel/src/hdf5-file.c b/libcrystfel/src/hdf5-file.c
index ad9495b5..ed3b1e29 100644
--- a/libcrystfel/src/hdf5-file.c
+++ b/libcrystfel/src/hdf5-file.c
@@ -384,57 +384,60 @@ int hdf5_write_image(const char *filename, struct image *image)
 
 	H5Dclose(dh);
 
-	arr = malloc(image->spectrum_size*sizeof(double));
-	if ( arr == NULL ) {
-		H5Fclose(fh);
-		return 1;
-	}
-	for ( i=0; i<image->spectrum_size; i++ ) {
-		arr[i] = 1.0e10/image->spectrum[i].k;
-	}
+	if ( image->spectrum_size > 0 ) {
 
-	size[0] = image->spectrum_size;
-	sh = H5Screate_simple(1, size, NULL);
+		arr = malloc(image->spectrum_size*sizeof(double));
+		if ( arr == NULL ) {
+			H5Fclose(fh);
+			return 1;
+		}
+		for ( i=0; i<image->spectrum_size; i++ ) {
+			arr[i] = 1.0e10/image->spectrum[i].k;
+		}
 
-	dh = H5Dcreate2(gh, "spectrum_wavelengths_A", H5T_NATIVE_DOUBLE, sh,
-	                H5P_DEFAULT, H5S_ALL, H5P_DEFAULT);
-	if ( dh < 0 ) {
-		H5Fclose(fh);
-		return 1;
-	}
-	r = H5Dwrite(dh, H5T_NATIVE_DOUBLE, H5S_ALL,
-	             H5S_ALL, H5P_DEFAULT, arr);
-	H5Dclose(dh);
+		size[0] = image->spectrum_size;
+		sh = H5Screate_simple(1, size, NULL);
 
-	for ( i=0; i<image->spectrum_size; i++ ) {
-		arr[i] = image->spectrum[i].weight;
-	}
-	dh = H5Dcreate2(gh, "spectrum_weights", H5T_NATIVE_DOUBLE, sh,
-	                H5P_DEFAULT, H5S_ALL, H5P_DEFAULT);
-	if ( dh < 0 ) {
-		H5Fclose(fh);
-		return 1;
-	}
-	r = H5Dwrite(dh, H5T_NATIVE_DOUBLE, H5S_ALL,
-	             H5S_ALL, H5P_DEFAULT, arr);
+		dh = H5Dcreate2(gh, "spectrum_wavelengths_A", H5T_NATIVE_DOUBLE,
+		                sh, H5P_DEFAULT, H5S_ALL, H5P_DEFAULT);
+		if ( dh < 0 ) {
+			H5Fclose(fh);
+			return 1;
+		}
+		r = H5Dwrite(dh, H5T_NATIVE_DOUBLE, H5S_ALL,
+			     H5S_ALL, H5P_DEFAULT, arr);
+		H5Dclose(dh);
 
-	H5Dclose(dh);
-	free(arr);
+		for ( i=0; i<image->spectrum_size; i++ ) {
+			arr[i] = image->spectrum[i].weight;
+		}
+		dh = H5Dcreate2(gh, "spectrum_weights", H5T_NATIVE_DOUBLE, sh,
+			        H5P_DEFAULT, H5S_ALL, H5P_DEFAULT);
+		if ( dh < 0 ) {
+			H5Fclose(fh);
+			return 1;
+		}
+		r = H5Dwrite(dh, H5T_NATIVE_DOUBLE, H5S_ALL,
+			     H5S_ALL, H5P_DEFAULT, arr);
 
-	size[0] = 1;
-	sh = H5Screate_simple(1, size, NULL);
+		H5Dclose(dh);
+		free(arr);
 
-	dh = H5Dcreate2(gh, "number_of_samples", H5T_NATIVE_INT, sh,
-	                H5P_DEFAULT, H5S_ALL, H5P_DEFAULT);
-	if ( dh < 0 ) {
-		H5Fclose(fh);
-		return 1;
-	}
+		size[0] = 1;
+		sh = H5Screate_simple(1, size, NULL);
+
+		dh = H5Dcreate2(gh, "number_of_samples", H5T_NATIVE_INT, sh,
+			        H5P_DEFAULT, H5S_ALL, H5P_DEFAULT);
+		if ( dh < 0 ) {
+			H5Fclose(fh);
+			return 1;
+		}
 
-	r = H5Dwrite(dh, H5T_NATIVE_INT, H5S_ALL,
-	             H5S_ALL, H5P_DEFAULT, &image->nsamples);
+		r = H5Dwrite(dh, H5T_NATIVE_INT, H5S_ALL,
+			     H5S_ALL, H5P_DEFAULT, &image->nsamples);
 
-	H5Dclose(dh);
+		H5Dclose(dh);
+	}
 
 	H5Gclose(gh);
 
-- 
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