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-rw-r--r--tests/integration_check.c185
1 files changed, 4 insertions, 181 deletions
diff --git a/tests/integration_check.c b/tests/integration_check.c
index ac871581..4b302955 100644
--- a/tests/integration_check.c
+++ b/tests/integration_check.c
@@ -1,10 +1,9 @@
/*
* integration_check.c
*
- * Check peak integration
+ * Check reflection integration
*
- * Copyright © 2012 Thomas White <taw@physics.org>
- * Copyright © 2012 Andrew Martin <andrew.martin@desy.de>
+ * Copyright © 2013 Thomas White <taw@physics.org>
*
* This file is part of CrystFEL.
*
@@ -35,126 +34,9 @@
#include <utils.h>
#include <beam-parameters.h>
-#include "../libcrystfel/src/peaks.c"
+#include "../libcrystfel/src/integration.c"
-/* The third integration check draws a Poisson background and checks that, on
- * average, it gets subtracted by the background subtraction. */
-static void third_integration_check(struct image *image, int n_trials,
- int *fail)
-{
- double mean_intensity = 0.0;
- double mean_bg = 0.0;
- double mean_max = 0.0;
- double mean_sigma = 0.0;
- int i;
- int fs, ss;
- int nfail = 0;
-
- for ( i=0; i<n_trials; i++ ) {
-
- double intensity, sigma;
- double fsp, ssp;
- int r;
-
- for ( fs=0; fs<image->width; fs++ ) {
- for ( ss=0; ss<image->height; ss++ ) {
- image->data[fs+image->width*ss] = poisson_noise(1000.0);
- }
- }
-
- r = integrate_peak(image, 64, 64, &fsp, &ssp,
- &intensity, &sigma, 10.0, 15.0, 17.0,
- NULL, NULL);
-
- if ( r == 0 ) {
- mean_intensity += intensity;
- mean_sigma += sigma;
- } else {
- nfail++;
- }
-
- }
- mean_intensity /= n_trials;
- mean_bg /= n_trials;
- mean_max /= n_trials;
- mean_sigma /= n_trials;
-
- STATUS(" Third check (mean values): intensity = %.2f, sigma = %.2f,"
- " integration failed %i/%i times\n",
- mean_intensity, mean_sigma, nfail, n_trials);
-
-/* These values are always wrong, because the integration sucks */
-// if ( fabs(mean_intensity) > 5.0 ) {
-// ERROR("Mean intensity should be close to zero.\n");
-// *fail = 1;
-// }
-// if ( fabs(mean_intensity) > mean_sigma/10.0 ) {
-// ERROR("Mean intensity should be much less than mean sigma.\n");
-// *fail = 1;
-// }
-}
-
-
-/* The fourth integration check draws a Poisson background and draws a peak on
- * top of it, then checks that the intensity of the peak is correctly recovered
- * accounting for the background. */
-static void fourth_integration_check(struct image *image, int n_trials,
- int *fail)
-{
- double mean_intensity = 0.0;
- double mean_sigma = 0.0;
- int i;
- int fs, ss;
- int pcount = 0;
- int nfail = 0;
-
- for ( i=0; i<n_trials; i++ ) {
-
- double intensity, sigma;
- double fsp, ssp;
- int r;
-
- for ( fs=0; fs<image->width; fs++ ) {
- for ( ss=0; ss<image->height; ss++ ) {
- int idx = fs+image->width*ss;
- image->data[idx] = poisson_noise(1000.0);
- if ( (fs-64)*(fs-64) + (ss-64)*(ss-64) > 9*9 ) continue;
- image->data[idx] += 1000.0;
- pcount++;
- }
- }
-
- r = integrate_peak(image, 64, 64, &fsp, &ssp,
- &intensity, &sigma, 10.0, 15.0, 17.0,
- NULL, NULL);
-
- if ( r == 0 ) {
- mean_intensity += intensity;
- mean_sigma += sigma;
- } else {
- nfail++;
- }
-
- }
- mean_intensity /= n_trials;
- mean_sigma /= n_trials;
- pcount /= n_trials;
-
- STATUS(" Fourth check (mean values): intensity = %.2f, sigma = %.2f,"
- " integration failed %i/%i times\n",
- mean_intensity, mean_sigma, nfail, n_trials);
-
- if ( fabs(mean_intensity - pcount*1000.0) > 4000.0 ) {
- ERROR("Mean intensity should be close to %f\n", pcount*1000.0);
- *fail = 1;
- }
- if ( fabs(mean_intensity) < mean_sigma ) {
- ERROR("Mean intensity should be greater than mean sigma.\n");
- *fail = 1;
- }
-}
-
int main(int argc, char *argv[])
{
@@ -164,7 +46,6 @@ int main(int argc, char *argv[])
FILE *fh;
unsigned int seed;
int fail = 0;
- const int n_trials = 100;
int r, npx;
double ex;
@@ -208,65 +89,7 @@ int main(int argc, char *argv[])
image.n_crystals = 0;
image.crystals = NULL;
- /* First check: no intensity -> no peak, or very low intensity */
- r = integrate_peak(&image, 64, 64, &fsp, &ssp, &intensity, &sigma,
- 10.0, 15.0, 17.0, NULL, NULL);
- STATUS(" First check: integrate_peak() returned %i", r);
- if ( r == 0 ) {
-
- STATUS(", intensity = %.2f, sigma = %.2f\n", intensity, sigma);
-
- if ( fabs(intensity) > 0.01 ) {
- ERROR("Intensity should be very close to zero.\n");
- fail = 1;
- }
-
- } else {
- STATUS(" (correct)\n");
- }
-
- /* Second check: uniform peak gives correct I and low sigma(I) */
- npx = 0;
- for ( fs=0; fs<image.width; fs++ ) {
- for ( ss=0; ss<image.height; ss++ ) {
- if ( (fs-64)*(fs-64) + (ss-64)*(ss-64) > 9*9 ) continue;
- image.data[fs+image.width*ss] = 1000.0;
- npx++;
- }
- }
-
- r = integrate_peak(&image, 64, 64, &fsp, &ssp, &intensity, &sigma,
- 10.0, 15.0, 17.0, NULL, NULL);
- if ( r ) {
- ERROR(" Second check: integrate_peak() returned %i (wrong).\n",
- r);
- fail = 1;
- } else {
-
- STATUS(" Second check: intensity = %.2f, sigma = %.2f\n",
- intensity, sigma);
-
- ex = npx*1000.0;
- if ( within_tolerance(ex, intensity, 1.0) == 0 ) {
- ERROR("Intensity should be close to %f\n", ex);
- fail = 1;
- }
-
- ex = sqrt(npx*1000.0);
- if ( within_tolerance(ex, sigma, 1.0) == 0 ) {
- ERROR("Sigma should be roughly %f.\n", ex);
- fail = 1;
- }
-
- }
-
- /* Third check: Poisson background should get mostly subtracted */
- third_integration_check(&image, n_trials, &fail);
-
- /* Fourth check: peak on Poisson background */
- fourth_integration_check(&image, n_trials, &fail);
-
- /* Fifth check: uniform peak on uniform background */
+ /* Uniform peak on uniform background */
npx = 0;
for ( fs=0; fs<image.width; fs++ ) {
for ( ss=0; ss<image.height; ss++ ) {
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