diff --git a/src/draw/fdrw.py b/src/draw/fdrw.py
index fe4db452..898f5525 100755
--- a/src/draw/fdrw.py
+++ b/src/draw/fdrw.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -26,45 +25,7 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw graphs")
-    parser.add_argument(
-        metavar="infile",
-        dest="in_file",
-        default=None,
-        nargs="?",
-        type=str,
-        help="data sequence (double)",
-    )
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
-    )
+    parser = utils.get_default_parser("draw a graph", input_name="data sequence")
     parser.add_argument(
         "-g",
         dest="grid",
@@ -221,22 +182,6 @@ def get_arguments():
         type=float,
         help="marker line width",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
@@ -311,12 +256,12 @@ def main():
     args = get_arguments()
 
     if args.in_file is None:
-        data = utils.read_stdin()
+        data = utils.read_stdin(dtype=args.dtype)
     else:
         if not os.path.exists(args.in_file):
             utils.print_error_message("fdrw", f"Cannot open {args.in_file}")
             sys.exit(1)
-        data = utils.read_binary(args.in_file)
+        data = utils.read_binary(args.in_file, dtype=args.dtype)
 
     if args.marker_symbol == 0:
         mode = "lines"
diff --git a/src/draw/glogsp.py b/src/draw/glogsp.py
index f548eef4..25e623e0 100755
--- a/src/draw/glogsp.py
+++ b/src/draw/glogsp.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -26,44 +25,8 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw a log spectrum graph")
-    parser.add_argument(
-        metavar="infile",
-        dest="in_file",
-        default=None,
-        nargs="?",
-        type=str,
-        help="log spectrum (double)",
-    )
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
+    parser = utils.get_default_parser(
+        "draw a log spectrum", input_name="log spectrum", allow_dtype=False
     )
     parser.add_argument(
         "-g",
@@ -128,22 +91,6 @@ def get_arguments():
         type=float,
         help="line width",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
diff --git a/src/draw/gpolezero.py b/src/draw/gpolezero.py
index f001597f..57f69541 100755
--- a/src/draw/gpolezero.py
+++ b/src/draw/gpolezero.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -26,37 +25,7 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw poles and zeros")
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
-    )
+    parser = utils.get_default_parser("draw poles and zeros", allow_dtype=False)
     parser.add_argument(
         "-g",
         dest="grid",
@@ -137,27 +106,11 @@ def get_arguments():
         type=float,
         help="marker line width",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
 ##
-# @a gpolezero [ @e option ] [ @e infile ] @e outfile
+# @a gpolezero [ @e option ] @e outfile
 #
 # - @b -F @e float
 #   - scale of figure
@@ -207,12 +160,8 @@ def main():
     args = get_arguments()
 
     in_files = []
-    if args.zero_file is not None:
-        in_files.append(args.zero_file)
-    if args.pole_file is not None:
-        in_files.append(args.pole_file)
-    if 0 == len(in_files):
-        in_files.append(None)
+    in_files.append(None if args.zero_file is None else args.zero_file)
+    in_files.append(None if args.pole_file is None else args.pole_file)
 
     markers = (
         dict(
@@ -233,7 +182,7 @@ def main():
 
     fig = go.Figure()
 
-    # Draw unit circle.
+    # Draw a unit circle.
     fig.add_shape(
         type="circle",
         xref="x",
@@ -247,12 +196,12 @@ def main():
     # Draw zeros and poles.
     for in_file, marker in zip(in_files, markers):
         if in_file is None:
-            data = utils.read_stdin(dim=2)
-        else:
-            if not os.path.exists(in_file):
-                utils.print_error_message("gpolezero", f"Cannot open {in_file}")
-                sys.exit(1)
-            data = utils.read_binary(in_file, dim=2)
+            continue
+
+        if not os.path.exists(in_file):
+            utils.print_error_message("gpolezero", f"Cannot open {in_file}")
+            sys.exit(1)
+        data = utils.read_binary(in_file, dim=2)
 
         if 0 == args.input_format:
             x = data[:, 0]
@@ -276,11 +225,13 @@ def main():
         )
     fig.update_layout(
         xaxis=dict(
+            title_text="Real part",
             range=args.xlim,
             showgrid=args.grid,
             zeroline=True,
         ),
         yaxis=dict(
+            title_text="Imaginary part",
             range=args.ylim,
             showgrid=args.grid,
             zeroline=True,
diff --git a/src/draw/grlogsp.py b/src/draw/grlogsp.py
index 568de808..1d7965c9 100755
--- a/src/draw/grlogsp.py
+++ b/src/draw/grlogsp.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -26,44 +25,8 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw a running log spectrum graph")
-    parser.add_argument(
-        metavar="infile",
-        dest="in_file",
-        default=None,
-        nargs="?",
-        type=str,
-        help="log spectrum (double)",
-    )
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
+    parser = utils.get_default_parser(
+        "draw a running log spectrum", input_name="log spectrum", allow_dtype=False
     )
     parser.add_argument(
         "-g",
@@ -141,22 +104,6 @@ def get_arguments():
         type=float,
         help="line width",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
diff --git a/src/draw/gseries.py b/src/draw/gseries.py
index 747dc930..6ad5b7be 100755
--- a/src/draw/gseries.py
+++ b/src/draw/gseries.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -27,44 +26,8 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw a discrete series")
-    parser.add_argument(
-        metavar="infile",
-        dest="in_file",
-        default=None,
-        nargs="?",
-        type=str,
-        help="discrete series (double)",
-    )
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
+    parser = utils.get_default_parser(
+        "draw a dicrete series", input_name="discrete series"
     )
     parser.add_argument(
         "-g",
@@ -104,6 +67,26 @@ def get_arguments():
         type=int,
         help="number of screens",
     )
+    parser.add_argument(
+        "-t",
+        dest="transpose",
+        action="store_true",
+        help="align screens horizontally instead of vertically (valid with -i)",
+    )
+    parser.add_argument(
+        "-r",
+        dest="reset",
+        action="store_true",
+        help="does not succeed time across screens (valid with -i)",
+    )
+    parser.add_argument(
+        "-x",
+        metavar="x",
+        dest="sr",
+        default=None,
+        type=float,
+        help="sampling rate [kHz]",
+    )
     parser.add_argument(
         "-y",
         metavar=("YMIN", "YMAX"),
@@ -113,14 +96,6 @@ def get_arguments():
         type=float,
         help="y-axis limits",
     )
-    parser.add_argument(
-        "-xname",
-        metavar="XNAME",
-        dest="xname",
-        default="Time [sample]",
-        type=str,
-        help="x-axis title",
-    )
     parser.add_argument(
         "-lc",
         metavar="lc",
@@ -177,22 +152,6 @@ def get_arguments():
         type=float,
         help="marker line width",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
@@ -215,6 +174,12 @@ def get_arguments():
 #   - number of samples per screen
 # - @b -i @e int
 #   - number of screens
+# - @b -t @e bool
+#   - align figures horizontally instead of vertically
+# - @b -r @e bool
+#   - does not succeed time across screens
+# - @b -x @e float
+#   - sampling rate in kHz
 # - @b -y @e float @e float
 #   - y-axis limits
 # - @b -lc @e str
@@ -248,15 +213,22 @@ def main():
     args = get_arguments()
 
     if args.in_file is None:
-        data = utils.read_stdin()
+        data = utils.read_stdin(dtype=args.dtype)
     else:
         if not os.path.exists(args.in_file):
             utils.print_error_message("gseries", f"Cannot open {args.in_file}")
             sys.exit(1)
-        data = utils.read_binary(args.in_file)
+        data = utils.read_binary(args.in_file, dtype=args.dtype)
 
     y = data[args.start_point : None if args.end_point is None else args.end_point + 1]
     x = np.arange(len(y)) + args.start_point
+    if args.sr is not None:
+        x = x / (args.sr * 1000)
+
+    if 100000 < len(y):
+        utils.print_warn_message(
+            "gseries", "Too many data points. This takes a long time."
+        )
 
     if args.ylim[0] is None:
         ymax = np.amax(np.abs(y))
@@ -269,30 +241,40 @@ def main():
     else:
         n = args.num_samples
 
-    fig = make_subplots(rows=args.num_screens, cols=1)
+    fig = make_subplots(
+        rows=1 if args.transpose else args.num_screens,
+        cols=args.num_screens if args.transpose else 1,
+    )
     s = 0
     for i in range(args.num_screens):
         last = i == args.num_screens - 1
+        row_col = {
+            "row": 1 if args.transpose else i + 1,
+            "col": i + 1 if args.transpose else 1,
+        }
         if args.num_samples is None and last:
             e = len(y)
         else:
             e = s + n
         fig.add_trace(
             go.Bar(
-                x=x[s:e],
+                x=x[: e - s] if args.reset else x[s:e],
                 y=y[s:e],
-                width=args.line_width,
+                width=(
+                    args.line_width
+                    if args.sr is None
+                    else args.line_width / (args.sr * 1000)
+                ),
                 marker=dict(
                     color=args.line_color,
                     line_width=0,
                 ),
             ),
-            row=i + 1,
-            col=1,
+            **row_col,
         )
         fig.add_trace(
             go.Scatter(
-                x=x[s:e],
+                x=x[: e - s] if args.reset else x[s:e],
                 y=y[s:e],
                 mode="markers",
                 marker=dict(
@@ -303,20 +285,18 @@ def main():
                     line_width=args.marker_line_width,
                 ),
             ),
-            row=i + 1,
-            col=1,
+            **row_col,
         )
+        xname = "Time [samples]" if args.sr is None else "Time [sec]"
         fig.update_xaxes(
-            title_text=args.xname if last else "",
+            title_text=xname if last or args.transpose else "",
             showgrid=args.grid,
-            row=i + 1,
-            col=1,
+            **row_col,
         )
         fig.update_yaxes(
             range=ylim,
             showgrid=args.grid,
-            row=i + 1,
-            col=1,
+            **row_col,
         )
         s = e
 
diff --git a/src/draw/gspecgram.py b/src/draw/gspecgram.py
index fc2f84c9..0b8461c5 100755
--- a/src/draw/gspecgram.py
+++ b/src/draw/gspecgram.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -28,45 +27,7 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw a spectrogram")
-    parser.add_argument(
-        metavar="infile",
-        dest="in_file",
-        default=None,
-        nargs="?",
-        type=str,
-        help="waveform (double)",
-    )
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
-    )
+    parser = utils.get_default_parser("draw spectrogram", input_name="waveform")
     parser.add_argument(
         "-s",
         metavar="s",
@@ -100,7 +61,7 @@ def get_arguments():
         help="number of screens",
     )
     parser.add_argument(
-        "-T",
+        "-t",
         dest="transpose",
         action="store_true",
         help="align screens horizontally instead of vertically (valid with -i)",
@@ -151,22 +112,6 @@ def get_arguments():
         type=float,
         help="power parameter",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
@@ -187,7 +132,7 @@ def get_arguments():
 #   - number of samples per screen
 # - @b -i @e int
 #   - number of screens
-# - @b -T @e bool
+# - @b -t @e bool
 #   - align figures horizontally instead of vertically
 # - @b -r @e bool
 #   - does not succeed time across screens
@@ -218,12 +163,12 @@ def main():
     args = get_arguments()
 
     if args.in_file is None:
-        data = utils.read_stdin()
+        data = utils.read_stdin(dtype=args.dtype)
     else:
         if not os.path.exists(args.in_file):
             utils.print_error_message("gspecgram", f"Cannot open {args.in_file}")
             sys.exit(1)
-        data = utils.read_binary(args.in_file)
+        data = utils.read_binary(args.in_file, dtype=args.dtype)
 
     y = data[args.start_point : None if args.end_point is None else args.end_point + 1]
 
@@ -241,6 +186,10 @@ def main():
     for i in range(args.num_screens):
         first = i == 0
         last = i == args.num_screens - 1
+        row_col = {
+            "row": 1 if args.transpose else i + 1,
+            "col": i + 1 if args.transpose else 1,
+        }
         if args.num_samples is None and last:
             e = len(y)
         else:
@@ -260,18 +209,15 @@ def main():
                 z=spec,
                 colorscale=args.color_scale,
             ),
-            row=1 if args.transpose else i + 1,
-            col=i + 1 if args.transpose else 1,
+            **row_col,
         )
         fig.update_xaxes(
             title_text="Time [sec]" if last or args.transpose else "",
-            row=1 if args.transpose else i + 1,
-            col=i + 1 if args.transpose else 1,
+            **row_col,
         )
         fig.update_yaxes(
             title_text="Frequency [kHz]" if first or not args.transpose else "",
-            row=1 if args.transpose else i + 1,
-            col=i + 1 if args.transpose else 1,
+            **row_col,
         )
         s = e
         if not args.reset:
diff --git a/src/draw/gwave.py b/src/draw/gwave.py
index c38e2f5f..3257fec4 100755
--- a/src/draw/gwave.py
+++ b/src/draw/gwave.py
@@ -15,7 +15,6 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
-import argparse
 import os
 import sys
 
@@ -27,45 +26,7 @@
 
 
 def get_arguments():
-    parser = argparse.ArgumentParser(description="draw a waveform")
-    parser.add_argument(
-        metavar="infile",
-        dest="in_file",
-        default=None,
-        nargs="?",
-        type=str,
-        help="waveform (double)",
-    )
-    parser.add_argument(
-        metavar="outfile",
-        dest="out_file",
-        type=str,
-        help="figure",
-    )
-    parser.add_argument(
-        "-F",
-        metavar="F",
-        dest="factor",
-        default=1.0,
-        type=float,
-        help="scale of figure",
-    )
-    parser.add_argument(
-        "-W",
-        metavar="W",
-        dest="width",
-        default=None,
-        type=int,
-        help="width of figure [px]",
-    )
-    parser.add_argument(
-        "-H",
-        metavar="H",
-        dest="height",
-        default=None,
-        type=int,
-        help="height of figure [px]",
-    )
+    parser = utils.get_default_parser("draw a waveform", input_name="waveform")
     parser.add_argument(
         "-g",
         dest="grid",
@@ -104,6 +65,26 @@ def get_arguments():
         type=int,
         help="number of screens",
     )
+    parser.add_argument(
+        "-t",
+        dest="transpose",
+        action="store_true",
+        help="align screens horizontally instead of vertically (valid with -i)",
+    )
+    parser.add_argument(
+        "-r",
+        dest="reset",
+        action="store_true",
+        help="does not succeed time across screens (valid with -i)",
+    )
+    parser.add_argument(
+        "-x",
+        metavar="x",
+        dest="sr",
+        default=None,
+        type=float,
+        help="sampling rate [kHz]",
+    )
     parser.add_argument(
         "-y",
         metavar=("YMIN", "YMAX"),
@@ -113,14 +94,6 @@ def get_arguments():
         type=float,
         help="y-axis limits",
     )
-    parser.add_argument(
-        "-xname",
-        metavar="XNAME",
-        dest="xname",
-        default="Time [sample]",
-        type=str,
-        help="x-axis title",
-    )
     parser.add_argument(
         "-ls",
         dest="line_style",
@@ -145,22 +118,6 @@ def get_arguments():
         type=float,
         help="line width",
     )
-    parser.add_argument(
-        "-ff",
-        metavar="ff",
-        dest="font_family",
-        default=None,
-        type=str,
-        help="font family",
-    )
-    parser.add_argument(
-        "-fs",
-        metavar="fs",
-        dest="font_size",
-        default=None,
-        type=int,
-        help="font size",
-    )
     return parser.parse_args()
 
 
@@ -183,6 +140,12 @@ def get_arguments():
 #   - number of samples per screen
 # - @b -i @e int
 #   - number of screens
+# - @b -t @e bool
+#   - align figures horizontally instead of vertically
+# - @b -r @e bool
+#   - does not succeed time across screens
+# - @b -x @e float
+#   - sampling rate in kHz
 # - @b -y @e float @e float
 #   - y-axis limits
 # - @b -ls @e str
@@ -208,15 +171,17 @@ def main():
     args = get_arguments()
 
     if args.in_file is None:
-        data = utils.read_stdin()
+        data = utils.read_stdin(dtype=args.dtype)
     else:
         if not os.path.exists(args.in_file):
             utils.print_error_message("gwave", f"Cannot open {args.in_file}")
             sys.exit(1)
-        data = utils.read_binary(args.in_file)
+        data = utils.read_binary(args.in_file, dtype=args.dtype)
 
     y = data[args.start_point : None if args.end_point is None else args.end_point + 1]
     x = np.arange(len(y)) + args.start_point
+    if args.sr is not None:
+        x = x / (args.sr * 1000)
 
     if args.ylim[0] is None:
         ymax = np.amax(np.abs(y))
@@ -229,17 +194,24 @@ def main():
     else:
         n = args.num_samples
 
-    fig = make_subplots(rows=args.num_screens, cols=1)
+    fig = make_subplots(
+        rows=1 if args.transpose else args.num_screens,
+        cols=args.num_screens if args.transpose else 1,
+    )
     s = 0
     for i in range(args.num_screens):
         last = i == args.num_screens - 1
+        row_col = {
+            "row": 1 if args.transpose else i + 1,
+            "col": i + 1 if args.transpose else 1,
+        }
         if args.num_samples is None and last:
             e = len(y)
         else:
             e = s + n
         fig.add_trace(
             go.Scatter(
-                x=x[s:e],
+                x=x[: e - s] if args.reset else x[s:e],
                 y=y[s:e],
                 line=dict(
                     color=args.line_color,
@@ -247,20 +219,18 @@ def main():
                     dash=args.line_style,
                 ),
             ),
-            row=i + 1,
-            col=1,
+            **row_col,
         )
+        xname = "Time [samples]" if args.sr is None else "Time [sec]"
         fig.update_xaxes(
-            title_text=args.xname if last else "",
+            title_text=xname if last or args.transpose else "",
             showgrid=args.grid,
-            row=i + 1,
-            col=1,
+            **row_col,
         )
         fig.update_yaxes(
             range=ylim,
             showgrid=args.grid,
-            row=i + 1,
-            col=1,
+            **row_col,
         )
         s = e
 
diff --git a/src/draw/sptk/draw_utils.py b/src/draw/sptk/draw_utils.py
index 78ace8e1..fd1d2379 100644
--- a/src/draw/sptk/draw_utils.py
+++ b/src/draw/sptk/draw_utils.py
@@ -14,8 +14,10 @@
 # limitations under the License.                                           #
 # ------------------------------------------------------------------------ #
 
+import argparse
 import struct
 import sys
+import warnings
 
 import numpy as np
 
@@ -113,5 +115,148 @@ def read_stdin(dim=1, dtype="d"):
     return asarray(data, dim=dim, dtype=dtype)
 
 
+def print_warn_message(name, message):
+    warnings.warn(f"{name}: {message}", RuntimeWarning)
+
+
 def print_error_message(name, message):
     print(f"{name}: {message}!", file=sys.stderr)
+
+
+def get_default_parser(description, input_name=None, allow_dtype=True):
+    parser = argparse.ArgumentParser(description=description, prefix_chars="-+")
+    if input_name is not None:
+        parser.add_argument(
+            metavar="infile",
+            dest="in_file",
+            default=None,
+            nargs="?",
+            type=str,
+            help=input_name,
+        )
+    parser.add_argument(
+        metavar="outfile",
+        dest="out_file",
+        type=str,
+        help="figure",
+    )
+    parser.add_argument(
+        "-F",
+        metavar="F",
+        dest="factor",
+        default=1,
+        type=float,
+        help="scale of figure",
+    )
+    parser.add_argument(
+        "-W",
+        metavar="W",
+        dest="width",
+        default=None,
+        type=int,
+        help="width of figure [px]",
+    )
+    parser.add_argument(
+        "-H",
+        metavar="H",
+        dest="height",
+        default=None,
+        type=int,
+        help="height of figure [px]",
+    )
+    parser.add_argument(
+        "-ff",
+        metavar="ff",
+        dest="font_family",
+        default=None,
+        type=str,
+        help="font family",
+    )
+    parser.add_argument(
+        "-fs",
+        metavar="fs",
+        dest="font_size",
+        default=None,
+        type=int,
+        help="font size",
+    )
+    if allow_dtype:
+        parser.add_argument(
+            "+c",
+            dest="dtype",
+            action="store_const",
+            const="c",
+            help="(data type) char, 1byte",
+        )
+        parser.add_argument(
+            "+C",
+            dest="dtype",
+            action="store_const",
+            const="C",
+            help="(data type) unsigned char, 1byte",
+        )
+        parser.add_argument(
+            "+s",
+            dest="dtype",
+            action="store_const",
+            const="s",
+            help="(data type) short, 2byte",
+        )
+        parser.add_argument(
+            "+S",
+            dest="dtype",
+            action="store_const",
+            const="S",
+            help="(data type) unsigned short, 2byte",
+        )
+        parser.add_argument(
+            "+i",
+            dest="dtype",
+            action="store_const",
+            const="i",
+            help="(data type) int, 4byte",
+        )
+        parser.add_argument(
+            "+I",
+            dest="dtype",
+            action="store_const",
+            const="I",
+            help="(data type) unsigned int, 4byte",
+        )
+        parser.add_argument(
+            "+l",
+            dest="dtype",
+            action="store_const",
+            const="l",
+            help="(data type) long, 8byte",
+        )
+        parser.add_argument(
+            "+L",
+            dest="dtype",
+            action="store_const",
+            const="L",
+            help="(data type) unsigned long, 8byte",
+        )
+        parser.add_argument(
+            "+f",
+            dest="dtype",
+            action="store_const",
+            const="f",
+            help="(data type) float, 4byte",
+        )
+        parser.add_argument(
+            "+d",
+            dest="dtype",
+            action="store_const",
+            const="d",
+            help="(data type) double, 8byte",
+        )
+        parser.add_argument(
+            "+e",
+            dest="dtype",
+            action="store_const",
+            const="d",
+            help="(data type) long double, 16byte",
+        )
+    parser.set_defaults(dtype="d")
+    return parser
diff --git a/tools/requirements.txt b/tools/requirements.txt
index ec095f80..50699eb5 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -1,4 +1,4 @@
 kaleido>=0.1.0
 numpy
-plotly>=4.9.0,<=4.14.3
+plotly>=4.9.0
 scipy