--- ray/src/util/dctimestep.c	2019/03/01 01:00:03	2.40
+++ ray/src/util/dctimestep.c	2019/10/23 17:00:14	2.43
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: dctimestep.c,v 2.40 2019/03/01 01:00:03 greg Exp $";
+static const char RCSid[] = "$Id: dctimestep.c,v 2.43 2019/10/23 17:00:14 greg Exp $";
 #endif
 /*
  * Compute time-step result using Daylight Coefficient method.
@@ -48,7 +48,7 @@ sum_images(const char *fspec, const CMATRIX *cv, FILE 
 			error(SYSTEM, errmsg);
 		}
 		dt = DTfromHeader;
-		if ((err = cm_getheader(&dt, NULL, NULL, fp)) != NULL)
+		if ((err = cm_getheader(&dt, NULL, NULL, NULL, fp)) != NULL)
 			error(USER, err);
 		if ((dt != DTrgbe) & (dt != DTxyze) ||
 				!fscnresolu(&xr, &yr, fp)) {
@@ -187,6 +187,9 @@ main(int argc, char *argv[])
 			case 'a':
 				outfmt = DTascii;
 				break;
+			case 'c':
+				outfmt = DTrgbe;
+				break;
 			default:
 				goto userr;
 			}
@@ -299,6 +302,8 @@ main(int argc, char *argv[])
 					fprintf(ofp, "FRAME=%d\n", i);
 					fprintf(ofp, "NROWS=%d\n", rvec->nrows);
 					fputs("NCOLS=1\nNCOMP=3\n", ofp);
+					if ((outfmt == 'f') | (outfmt == 'd'))
+						fputendian(ofp);
 					fputformat((char *)cm_fmt_id[outfmt], ofp);
 					fputc('\n', ofp);
 				}
@@ -325,6 +330,8 @@ main(int argc, char *argv[])
 				fprintf(ofp, "NROWS=%d\n", rmtx->nrows);
 				fprintf(ofp, "NCOLS=%d\n", rmtx->ncols);
 				fputs("NCOMP=3\n", ofp);
+				if ((outfmt == 'f') | (outfmt == 'd'))
+					fputendian(ofp);
 				fputformat((char *)cm_fmt_id[outfmt], ofp);
 				fputc('\n', ofp);
 			}