Error message windows

git-svn-id: svn://cook.msm.cam.ac.uk:745/diff-tomo/dtr@145 bf6ca9ba-c028-0410-8290-897cf20841d1

1 files changed, 2 insertions, 0 deletions

diff --git a/src/reproject.c b/src/reproject.c
index 60ff104..15a3ca9 100644
--- a/src/reproject.c
+++ b/src/reproject.c
@@ -220,11 +220,13 @@ void reproject_open(ControlContext *ctx) {
 	
 	if ( !ctx->cell ) {
 		printf("RP: No current cell\n");
+		displaywindow_error("No reciprocal unit cell has been specified.", ctx->dw);
 		return;
 	}
 	
 	if ( !ctx->images ) {
 		printf("RP: No images!\n");
+		displaywindow_error("No images to reproject!", ctx->dw);
 		return;
 	}