1 files changed, 111 insertions, 0 deletions
diff --git a/src/refinetest2d.c b/src/refinetest2d.c
new file mode 100644
index 0000000..870ac68
--- /dev/null
+++ b/src/refinetest2d.c
@@ -0,0 +1,111 @@
+/*
+ * refinectx.c
+ *
+ * Unit test for refinement procedure
+ *
+ * (c) 2007-2008 Thomas White <taw27@cam.ac.uk>
+ *
+ *  dtr - Diffraction Tomography Reconstruction
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <math.h>
+
+#include "basis.h"
+#include "reflections.h"
+#include "image.h"
+#include "reproject.h"
+#include "refine.h"
+#include "utils.h"
+#include "mapping.h"
+#include "control.h"
+#include "displaywindow.h"
+
+int main(int argc, char *argv[]) {
+
+	ControlContext *ctx;
+	ReflectionList *reflections_real;
+	Basis *cell_real;
+	int fail;
+	
+	ctx = control_ctx_new();
+	ctx->omega = deg2rad(0.0);
+	ctx->lambda = lambda(300.0e3);	/* 300 keV */
+	ctx->fmode = FORMULATION_PIXELSIZE;
+	ctx->x_centre = 256;
+	ctx->y_centre = 256;
+	ctx->pixel_size = 5e7;
+	image_add(ctx->images, NULL, 512, 512, deg2rad(0.0), ctx);
+	ctx->images->images[0].features = image_feature_list_new();
+	
+	/* Fudge to avoid horrifying pointer-related death */
+	ctx->dw = malloc(sizeof(DisplayWindow));
+	ctx->dw->cur_image = 0;
+	
+	/* The "true" cell */
+	cell_real = malloc(sizeof(Basis));
+	cell_real->a.x = 5.0e9;  cell_real->a.y = 0.0e9;  cell_real->a.z = 0.0e9;
+	cell_real->b.x = 0.0e9;  cell_real->b.y = 5.0e9;  cell_real->b.z = 0.0e9;
+	cell_real->c.x = 0.0e9;  cell_real->c.y = 0.0e9;  cell_real->c.z = 5.0e9;
+	/* The "real" reflections */
+	reflections_real = reflection_list_from_cell(cell_real);
+	ctx->images->images[0].features = reproject_get_reflections(&ctx->images->images[0], reflections_real);
+//	printf("RT: %i test features generated.\n", ctx->images->images[0].features->n_features);
+	
+	/* The "model" cell to be refined */
+	ctx->cell = malloc(sizeof(Basis));
+	ctx->cell->a.x = 5.2e9;  ctx->cell->a.y = 0.1e9;  ctx->cell->a.z = 0.0e9;
+	ctx->cell->b.x = 0.2e9;  ctx->cell->b.y = 4.8e9;  ctx->cell->b.z = 0.0e9;
+	ctx->cell->c.x = 0.0e9;  ctx->cell->c.y = 0.0e9;  ctx->cell->c.z = 5.0e9;
+	ctx->cell_lattice = reflection_list_from_cell(ctx->cell);
+	ctx->images->images[0].rflist = reproject_get_reflections(&ctx->images->images[0], ctx->cell_lattice);
+	reproject_partner_features(ctx->images->images[0].rflist, &ctx->images->images[0]);
+	
+	refine_do_cell(ctx);
+	image_feature_list_free(ctx->images->images[0].rflist);
+	reflection_list_from_new_cell(ctx->cell_lattice, ctx->cell);
+	ctx->images->images[0].rflist = reproject_get_reflections(&ctx->images->images[0], ctx->cell_lattice);
+	
+	fail = 0;
+	if ( fabs(ctx->cell->a.x - cell_real->a.x) > 0.01e9 ) {
+		fprintf(stderr, "refinetest: ax not determined correctly\n");
+		fail = 1;
+	}
+	if ( fabs(ctx->cell->a.y - cell_real->a.y) > 0.01e9 ) {
+		fprintf(stderr, "refinetest: ay not determined correctly\n");
+		fail = 1;
+	}
+	if ( fabs(ctx->cell->b.x - cell_real->b.x) > 0.01e9 ) {
+		fprintf(stderr, "refinetest: bx not determined correctly\n");
+		fail = 1;
+	}
+	if ( fabs(ctx->cell->b.y - cell_real->b.y) > 0.01e9 ) {
+		fprintf(stderr, "refinetest: by not determined correctly\n");
+		fail = 1;
+	}
+	/* az, bz, cx, cy and cz are unconstrained hence will 'float' to meaningless values.
+	 * 	This is ok. */
+	
+	free(ctx);
+	
+	if ( fail ) return 1;
+	
+	return 0;
+	
+}
+
+/* Dummy function stubs */
+#include "gtk-valuegraph.h"
+void displaywindow_update_imagestack(DisplayWindow *dw) { };
+void displaywindow_enable_cell_functions(DisplayWindow *dw, gboolean g) { };
+void displaywindow_update(DisplayWindow *dw) { };
+void displaywindow_error(const char *msg, DisplayWindow *dw) { };
+guint gtk_value_graph_get_type() { return 0; };
+GtkWidget *gtk_value_graph_new() { return NULL; };
+void gtk_value_graph_set_data(GtkValueGraph *vg, double *data, unsigned int n) { };
+