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[Plplot-cvs] SF.net SVN: plplot:[12347] trunk
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From: <and...@us...> - 2013-05-22 22:44:44
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Revision: 12347
http://sourceforge.net/p/plplot/code/12347
Author: andrewross
Date: 2013-05-22 22:44:41 +0000 (Wed, 22 May 2013)
Log Message:
-----------
Update python bindings to support plcolorbar.
Update example 16 and 33 consistent with the C versions to use this.
Modified Paths:
--------------
trunk/bindings/python/plplotcmodule.i
trunk/bindings/swig-support/plplotcapi.i
trunk/examples/python/xw16.py
trunk/examples/python/xw33.py
Modified: trunk/bindings/python/plplotcmodule.i
===================================================================
--- trunk/bindings/python/plplotcmodule.i 2013-05-22 22:41:41 UTC (rev 12346)
+++ trunk/bindings/python/plplotcmodule.i 2013-05-22 22:44:41 UTC (rev 12347)
@@ -240,6 +240,26 @@
}
%typemap( freearg ) const PLINT * Array { Py_DECREF( tmp$argnum );}
+// set X and Y length for later consistency checking
+%typemap( in ) const PLINT * ArrayN( PyArrayObject * tmp )
+{
+ int i;
+ tmp = (PyArrayObject *) myIntArray_ContiguousFromObject( $input, NPY_PLINT, 1, 1 );
+ if ( tmp == NULL )
+ return NULL;
+ if ( PyArray_DIMS(tmp)[0] != Alen )
+ {
+ PyErr_SetString( PyExc_ValueError, "Vectors must be same length." );
+ return NULL;
+ }
+ Xlen = PyArray_DIMS(tmp)[0];
+ $1 = (PLINT *) PyArray_DATA(tmp);
+ Ylen = -1;
+ for ( i = 0; i < Xlen; i++ )
+ if ( $1[i] > Ylen ) Ylen = $1[i];
+}
+%typemap( freearg ) const PLINT * ArrayN { Py_DECREF( tmp$argnum );}
+
//--------------------------------------------------------------------------
// PLFLT Arrays
//--------------------------------------------------------------------------
@@ -602,7 +622,7 @@
}
//**************************
-// special for pllegend, char ** ArrayCk
+// special for pllegend / plcolorbar, char ** ArrayCk
//***************************
// no count, but check consistency with previous. Always allow NULL strings.
%typemap( in ) const char **ArrayCk( PyArrayObject * tmp )
@@ -629,6 +649,28 @@
}
%typemap( freearg ) const char **ArrayCk { Py_DECREF( tmp$argnum ); free( $1 );}
+// With count. Always allow NULL strings.
+%typemap( in ) (PLINT n, const char **Array) ( PyArrayObject * tmp )
+{
+ int i;
+ tmp = (PyArrayObject *) PyArray_ContiguousFromObject( $input, NPY_STRING, 1, 1 );
+ if ( tmp == NULL )
+ return NULL;
+ Alen = PyArray_DIMS(tmp)[0];
+ $1 = Alen;
+ $2 = (char **) malloc( sizeof ( char* ) * Alen );
+ for ( i = 0; i < Alen; i++ )
+ {
+ $2[i] = PyArray_DATA(tmp) + i * PyArray_STRIDES(tmp)[0];
+ if ( $2[i] == NULL )
+ {
+ free( $2 );
+ return NULL;
+ }
+ }
+}
+%typemap( freearg ) (PLINT n, const char **Array) { Py_DECREF( tmp$argnum ); free( $2 );}
+
//**************************
// String returning functions
//***************************
Modified: trunk/bindings/swig-support/plplotcapi.i
===================================================================
--- trunk/bindings/swig-support/plplotcapi.i 2013-05-22 22:41:41 UTC (rev 12346)
+++ trunk/bindings/swig-support/plplotcapi.i 2013-05-22 22:44:41 UTC (rev 12347)
@@ -117,16 +117,23 @@
#define PL_LEGEND_ROW_MAJOR 128
// Flags for plcolorbar
-#define PL_COLORBAR_LABEL_LEFT 1
-#define PL_COLORBAR_LABEL_RIGHT 2
-#define PL_COLORBAR_LABEL_TOP 4
-#define PL_COLORBAR_LABEL_BOTTOM 8
-#define PL_COLORBAR_IMAGE 16
-#define PL_COLORBAR_SHADE 32
-#define PL_COLORBAR_GRADIENT 64
-#define PL_COLORBAR_CAP_LOW 128
-#define PL_COLORBAR_CAP_HIGH 256
-#define PL_COLORBAR_SHADE_LABEL 512
+#define PL_COLORBAR_LABEL_LEFT 0x1
+#define PL_COLORBAR_LABEL_RIGHT 0x2
+#define PL_COLORBAR_LABEL_TOP 0x4
+#define PL_COLORBAR_LABEL_BOTTOM 0x8
+#define PL_COLORBAR_IMAGE 0x10
+#define PL_COLORBAR_SHADE 0x20
+#define PL_COLORBAR_GRADIENT 0x40
+#define PL_COLORBAR_CAP_NONE 0x80
+#define PL_COLORBAR_CAP_LOW 0x100
+#define PL_COLORBAR_CAP_HIGH 0x200
+#define PL_COLORBAR_SHADE_LABEL 0x400
+#define PL_COLORBAR_ORIENT_RIGHT 0x800
+#define PL_COLORBAR_ORIENT_TOP 0x1000
+#define PL_COLORBAR_ORIENT_LEFT 0x2000
+#define PL_COLORBAR_ORIENT_BOTTOM 0x4000
+#define PL_COLORBAR_BACKGROUND 0x8000
+#define PL_COLORBAR_BOUNDING_BOX 0x10000
// Window parameter tags
@@ -474,18 +481,18 @@
const PLINT *ArrayCkNull, const PLFLT *ArrayCkNull,
const PLINT *ArrayCkNull, const char **ArrayCk );
-#if 0
+#if defined (SWIG_PYTHON) || defined(SWIG_JAVA)
void
plcolorbar( PLFLT *OUTPUT, PLFLT *OUTPUT,
- PLINT opt, PLFLT x, PLFLT y,
+ PLINT opt, PLINT position, PLFLT x, PLFLT y,
PLFLT x_length, PLFLT y_length,
PLINT bg_color, PLINT bb_color, PLINT bb_style,
PLFLT low_cap_color, PLFLT high_cap_color,
PLINT cont_color, PLFLT cont_width,
- PLINT n_labels, PLINT *label_opts, const char *label[],
- PLINT n_axes, const char *axis_opts[],
- PLFLT *ticks, PLINT *sub_ticks,
- PLINT *n_values, const PLFLT * const *values );
+ PLINT n, const PLINT *Array, const char **ArrayCk,
+ PLINT n, const char **Array,
+ const PLFLT *ArrayCk, const PLINT *ArrayCk,
+ const PLINT *ArrayN , const PLFLT **MatrixCk );
#endif
void
@@ -610,6 +617,12 @@
plscmap1n( PLINT ncol1 );
void
+plscmap1_range( PLFLT min_color, PLFLT max_color );
+
+void
+plgcmap1_range( PLFLT *OUTPUT, PLFLT *OUTPUT );
+
+void
plscol0( PLINT icol0, PLINT r, PLINT g, PLINT b );
void
Modified: trunk/examples/python/xw16.py
===================================================================
--- trunk/examples/python/xw16.py 2013-05-22 22:41:41 UTC (rev 12346)
+++ trunk/examples/python/xw16.py 2013-05-22 22:44:41 UTC (rev 12347)
@@ -27,6 +27,8 @@
NX = 35
NY = 46
PERIMETERPTS = 100
+NUM_AXES = 1
+NUM_LABELS = 1
XSPA = 2./(NX-1)
YSPA = 2./(NY-1)
@@ -41,9 +43,23 @@
def main():
fill_width = 2.
- cont_color = 2
- cont_width = 3.
+ cont_color = 0
+ cont_width = 0.
+ n_axis_opts = NUM_AXES
+ axis_opts = zeros(NUM_AXES,"S100")
+ axis_opts[0] = "bcvtm"
+ num_values = zeros(NUM_AXES,"int");
+ values = reshape(zeros(NUM_AXES*(NS+1)),[NUM_AXES,NS+1])
+ axis_ticks = zeros(NUM_AXES)
+ axis_subticks = zeros(NUM_AXES,"int")
+
+ n_labels = NUM_LABELS
+ label_opts = zeros(NUM_LABELS,"int")
+ labels = zeros(NUM_LABELS,"S100")
+ label_opts[0] = PL_COLORBAR_LABEL_BOTTOM
+ labels[0] = "Magnitude"
+
# Set up data array
x = (arange(NX) - (NX/2)) / float(NX/2)
@@ -86,7 +102,6 @@
plwind(-1.0, 1.0, -1.0, 1.0)
plpsty(0)
-
# Note another alternative to produce the identical result in a different way
# is to use the command:
# plshades(zz, -1.0, 1.0, -1.0, 1.0, shedge, fill_width, 1)
@@ -100,6 +115,21 @@
# them from the argument list.
plshades(zz, shedge, fill_width, 1, mypltr, tr)
+ # Smaller text
+ plschr(0.0, 0.75 )
+ # Small ticks on the vertical axis
+ plsmaj( 0.0, 0.5 )
+ plsmin( 0.0, 0.5 )
+
+ num_values[0] = NS + 1
+ values[0] = shedge
+ (colorbar_width, colorbar_height) = plcolorbar ( PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL, 0, 0.005, 0.0, 0.0375, 0.875, 0, 1, 1, 0.0, 0.0, cont_color, cont_width, label_opts, labels, axis_opts, axis_ticks, axis_subticks, num_values, values)
+
+ # Reset text and tick sizes
+ plschr( 0.0, 1.0 )
+ plsmaj( 0.0, 1.0 )
+ plsmin( 0.0, 1.0 )
+
plcol0(1)
plbox( "bcnst", 0., 0, "bcnstv", 0., 0 )
plcol0(2)
@@ -119,6 +149,21 @@
plshades(zz, shedge, fill_width, 1, pltr1, xg1, yg1)
+ # Smaller text
+ plschr(0.0, 0.75 )
+ # Small ticks on the vertical axis
+ plsmaj( 0.0, 0.5 )
+ plsmin( 0.0, 0.5 )
+
+ num_values[0] = NS + 1
+ values[0] = shedge
+ (colorbar_width, colorbar_height) = plcolorbar ( PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL, 0, 0.005, 0.0, 0.0375, 0.875, 0, 1, 1, 0.0, 0.0, cont_color, cont_width, label_opts, labels, axis_opts, axis_ticks, axis_subticks, num_values, values)
+
+ # Reset text and tick sizes
+ plschr( 0.0, 1.0 )
+ plsmaj( 0.0, 1.0 )
+ plsmin( 0.0, 1.0 )
+
plcol0(1)
plbox( "bcnst", 0.0, 0, "bcnstv", 0.0, 0 )
plcol0(2)
@@ -138,6 +183,21 @@
plshades(zz, shedge, fill_width, 0, pltr2, xg2, yg2)
+ # Smaller text
+ plschr(0.0, 0.75 )
+ # Small ticks on the vertical axis
+ plsmaj( 0.0, 0.5 )
+ plsmin( 0.0, 0.5 )
+
+ num_values[0] = NS + 1
+ values[0] = shedge
+ (colorbar_width, colorbar_height) = plcolorbar ( PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL, 0, 0.005, 0.0, 0.0375, 0.875, 0, 1, 1, 0.0, 0.0, cont_color, cont_width, label_opts, labels, axis_opts, axis_ticks, axis_subticks, num_values, values)
+
+ # Reset text and tick sizes
+ plschr( 0.0, 1.0 )
+ plsmaj( 0.0, 1.0 )
+ plsmin( 0.0, 1.0 )
+
plcol0(1)
plbox( "bcnst", 0.0, 0, "bcnstv", 0.0, 0 )
plcol0(2)
@@ -159,9 +219,23 @@
# Note default cont_color and cont_width are zero so that no contours
# are done with other calls to plshades. But for this call we specify
# non-zero values so that contours are drawn.
- plshades(zz, shedge, fill_width, cont_color, cont_width,\
- 0, pltr2, xg2, yg2)
+ plshades(zz, shedge, fill_width, 2, 3.0, 0, pltr2, xg2, yg2)
+ # Smaller text
+ plschr(0.0, 0.75 )
+ # Small ticks on the vertical axis
+ plsmaj( 0.0, 0.5 )
+ plsmin( 0.0, 0.5 )
+
+ num_values[0] = NS + 1
+ values[0] = shedge
+ (colorbar_width, colorbar_height) = plcolorbar ( PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL, 0, 0.005, 0.0, 0.0375, 0.875, 0, 1, 1, 0.0, 0.0, 2, 3.0, label_opts, labels, axis_opts, axis_ticks, axis_subticks, num_values, values)
+
+ # Reset text and tick sizes
+ plschr( 0.0, 1.0 )
+ plsmaj( 0.0, 1.0 )
+ plsmin( 0.0, 1.0 )
+
plcol0(1)
plbox( "bcnst", 0.0, 0, "bcnstv", 0.0, 0 )
plcol0(2)
@@ -200,6 +274,21 @@
# point at t = 2 pi.
plshades(z, shedge, fill_width, 0, pltr2, xg, yg, 2)
+ # Smaller text
+ plschr(0.0, 0.75 )
+ # Small ticks on the vertical axis
+ plsmaj( 0.0, 0.5 )
+ plsmin( 0.0, 0.5 )
+
+ num_values[0] = NS + 1
+ values[0] = shedge
+ (colorbar_width, colorbar_height) = plcolorbar ( PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL, 0, 0.005, 0.0, 0.0375, 0.875, 0, 1, 1, 0.0, 0.0, cont_color, cont_width, label_opts, labels, axis_opts, axis_ticks, axis_subticks, num_values, values)
+
+ # Reset text and tick sizes
+ plschr( 0.0, 1.0 )
+ plsmaj( 0.0, 1.0 )
+ plsmin( 0.0, 1.0 )
+
# Now we can draw the perimeter. (If do before, plshades may overlap.)
t = 2.*pi*arange(PERIMETERPTS)/(PERIMETERPTS-1.)
px = cos(t)
Modified: trunk/examples/python/xw33.py
===================================================================
--- trunk/examples/python/xw33.py 2013-05-22 22:41:41 UTC (rev 12346)
+++ trunk/examples/python/xw33.py 2013-05-22 22:44:41 UTC (rev 12347)
@@ -57,109 +57,158 @@
"✦",
]
-def plcolorbar_example_1( bar_type, ticks, sub_ticks, values, title ):
- pladv( 0 )
- # Setup color palette 1
- plspal1( "cmap1_blue_red.pal", 1 )
+# Colorbar type options
+COLORBAR_KINDS = 4
+colorbar_option_kinds = [
+ PL_COLORBAR_SHADE,
+ PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL,
+ PL_COLORBAR_IMAGE,
+ PL_COLORBAR_GRADIENT
+]
+colorbar_option_kind_labels = [
+ "Shade colorbars",
+ "Shade colorbars with custom labels",
+ "Image colorbars",
+ "Gradient colorbars"
+]
- n = len(values)
- color_step = 1.0 / float(n - 1)
- colors = color_step*arange(n)
+# Which side of the page are we positioned relative to?
+COLORBAR_POSITIONS = 4
+colorbar_position_options = [
+ PL_POSITION_LEFT,
+ PL_POSITION_RIGHT,
+ PL_POSITION_TOP,
+ PL_POSITION_BOTTOM
+]
+colorbar_position_option_labels = [
+ "Left",
+ "Right",
+ "Top",
+ "Bottom"
+]
- opt = PL_POSITION_LEFT | bar_type | PL_COLORBAR_LABEL_LEFT | PL_COLORBAR_CAP_HIGH
+# Colorbar label positioning options
+COLORBAR_LABELS = 4
+colorbar_label_options = [
+ PL_COLORBAR_LABEL_LEFT,
+ PL_COLORBAR_LABEL_RIGHT,
+ PL_COLORBAR_LABEL_TOP,
+ PL_COLORBAR_LABEL_BOTTOM
+]
+colorbar_label_option_labels = [
+ "Label left",
+ "Label right",
+ "Label top",
+ "Label bottom"
+]
- if bar_type & PL_COLORBAR_SHADE_LABEL:
- axis_opts_1 = "iv"
- axis_opts_2 = "i"
- else:
- if sub_ticks != 0:
- axis_opts_1 = "stv"
- axis_opts_2 = "st"
- else:
- axis_opts_1 = "tv"
- axis_opts_2 = "t"
+# Colorbar cap options
+COLORBAR_CAPS = 4
+colorbar_cap_options = [
+ PL_COLORBAR_CAP_NONE,
+ PL_COLORBAR_CAP_LOW,
+ PL_COLORBAR_CAP_HIGH,
+ PL_COLORBAR_CAP_LOW | PL_COLORBAR_CAP_HIGH
+]
+colorbar_cap_option_labels = [
+ "No caps",
+ "Low cap",
+ "High cap",
+ "Low and high caps"
+]
- plcolorbar( opt, 0.1, 0.1, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_1, "Test label - Left, High Cap",
- colors, values )
+def plcolorbar_example_page( kind_i, label_i, cap_i, cont_color, cont_width, values ):
+ n_axes = 1
+ axis_opts = zeros(n_axes,"S100")
+ ticks = zeros(n_axes)
+ sub_ticks = zeros(n_axes,"int")
+ label_opts = zeros(n_axes,"int")
+ label_opts[0] = PL_COLORBAR_LABEL_BOTTOM
+ label = zeros(n_axes,"S100")
+ n_values_array = zeros(n_axes,"int")
+ n_values_array[0] = len(values)
+ values_array = reshape(values,[1,len(values)])
- opt = PL_POSITION_RIGHT | bar_type | PL_COLORBAR_LABEL_RIGHT | PL_COLORBAR_CAP_LOW
+ low_cap_color = 0.0
+ high_cap_color = 1.0
- plcolorbar( opt, 0.1, 0.4, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_1, "Test label - Right, Low Cap",
- colors, values )
+ # Start a new page
+ pladv( 0 )
- opt = PL_POSITION_TOP | bar_type | PL_COLORBAR_LABEL_TOP | PL_COLORBAR_CAP_HIGH
+ # Draw one colorbar relative to each side of the page
+ for position_i in range(COLORBAR_POSITIONS):
+ position = colorbar_position_options[position_i]
+ opt = colorbar_option_kinds[kind_i] | colorbar_label_options[label_i] | colorbar_cap_options[cap_i]
- plcolorbar( opt, 0.1, 0.1, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_2, "Test label - Upper, High Cap",
- colors, values )
+ vertical = (position & PL_POSITION_LEFT) or (position & PL_POSITION_RIGHT)
+ ifn = position & PL_POSITION_LEFT or position & PL_POSITION_BOTTOM
- opt = PL_POSITION_BOTTOM | bar_type | PL_COLORBAR_LABEL_BOTTOM | PL_COLORBAR_CAP_LOW
+ # Set the offset position on the page
+ if vertical:
+ x = 0.0
+ y = 0.0
+ x_length = 0.05
+ y_length = 0.5
+ else:
+ x = 0.0
+ y = 0.0
+ x_length = 0.5
+ y_length = 0.05
- plcolorbar( opt, 0.4, 0.1, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_2, "Test label - Lower, Low Cap",
- colors, values )
-
- plvpor( 0.0, 1.0, 0.0, 1.0 )
- plwind( 0.0, 1.0, 0.0, 1.0 )
- plptex( 0.5, 0.5, 0.0, 0.0, 0.5, title )
-
-def plcolorbar_example_2( bar_type, ticks, sub_ticks, values, title ):
- pladv( 0 )
- # Setup color palette 1
- plspal1( "cmap1_blue_yellow.pal", 1 )
-
- n = len(values)
- color_step = 1.0 / float(n - 1)
- colors = color_step*arange(n)
- opt = PL_POSITION_LEFT | bar_type | PL_COLORBAR_LABEL_LEFT | PL_COLORBAR_CAP_LOW
-
- if bar_type == PL_COLORBAR_SHADE_LABEL:
- axis_opts_1 = ""
- axis_opts_2 = ""
- else:
- if sub_ticks != 0:
- axis_opts_1 = "stv"
- axis_opts_2 = "st"
+ # Set appropriate labelling options.
+ if ifn:
+ if ( cont_color == 0 or cont_width == 0. ):
+ axis_opts[0] = "uwtivn"
+ else:
+ axis_opts[0] = "uwxvn";
else:
- axis_opts_1 = "tv"
- axis_opts_2 = "t"
+ if ( cont_color == 0 or cont_width == 0. ):
+ axis_opts[0] = "uwtivm"
+ else:
+ axis_opts[0] = "uwxvm"
- plcolorbar( opt, 0.1, 0.1, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_1, "Test label - Left, Low Cap",
- colors, values )
+ label[0] = "%s, %s" % (colorbar_position_option_labels[position_i] , colorbar_label_option_labels[label_i])
- opt = PL_POSITION_RIGHT | bar_type | PL_COLORBAR_LABEL_RIGHT | PL_COLORBAR_CAP_HIGH
+ # Smaller text
+ plschr( 0.0, 0.75 )
+ # Small ticks on the vertical axis
+ plsmaj( 0.0, 0.5 )
+ plsmin( 0.0, 0.5 )
- plcolorbar( opt, 0.1, 0.4, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_1, "Test label - Right, High Cap",
- colors, values )
+ plvpor( 0.20, 0.80, 0.20, 0.80 )
+ plwind( 0.0, 1.0, 0.0, 1.0 )
+ # Set interesting background colour.
+ plscol0a( 15, 0, 0, 0, 0.20 )
+ (colorbar_width, colorbar_height) = plcolorbar( \
+ opt | PL_COLORBAR_BOUNDING_BOX | PL_COLORBAR_BACKGROUND, position, \
+ x, y, x_length, y_length, \
+ 15, 1, 1, \
+ low_cap_color, high_cap_color, \
+ cont_color, cont_width, \
+ label_opts, label, \
+ axis_opts, ticks, sub_ticks, \
+ n_values_array, values_array )
- opt = PL_POSITION_TOP | bar_type | PL_COLORBAR_LABEL_TOP | PL_COLORBAR_CAP_LOW
+ # Reset text and tick sizes
+ plschr( 0.0, 1.0 )
+ plsmaj( 0.0, 1.0 )
+ plsmin( 0.0, 1.0 )
- plcolorbar( opt, 0.1, 0.1, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_2, "Test label - Upper, Low Cap",
- colors, values )
-
- opt = PL_POSITION_BOTTOM | bar_type | PL_COLORBAR_LABEL_BOTTOM | PL_COLORBAR_CAP_HIGH
-
- plcolorbar( opt, 0.4, 0.1, 0.5, 0.1,
- ticks, sub_ticks,
- axis_opts_2, "Test label - Lower, High Cap",
- colors, values )
-
+ # Draw a page title
+ title = "%s - %s" % (colorbar_option_kind_labels[kind_i] , colorbar_cap_option_labels[cap_i])
plvpor( 0.0, 1.0, 0.0, 1.0 )
plwind( 0.0, 1.0, 0.0, 1.0 )
plptex( 0.5, 0.5, 0.0, 0.0, 0.5, title )
+def plcolorbar_example( palette, kind_i, cont_color, cont_width, values ):
+ # Load the color palette
+ plspal1( palette, 1 )
+
+ for label_i in arange(COLORBAR_LABELS):
+ for cap_i in arange(COLORBAR_CAPS):
+ plcolorbar_example_page( kind_i, label_i, cap_i, cont_color, cont_width, values )
+
+
def main():
# First page illustrating the 16 standard positions.
pladv(0)
@@ -699,15 +748,24 @@
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max(max_height, legend_height)
- if False:
- # Color bar examples
- values_small = [ 0.0, 1.0 ]
- values_uneven = [ 0.0, 2.0, 2.6, 3.4, 6.0, 7.0, 8.0, 9.0, 10.0 ]
- values_even = [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ]
- plcolorbar_example_1( PL_COLORBAR_IMAGE, 0.0, 0, values_small, "Image Color Bars" )
- plcolorbar_example_2( PL_COLORBAR_IMAGE, 0.0, 0, values_small, "Image Color Bars" )
- plcolorbar_example_1( PL_COLORBAR_SHADE | PL_COLORBAR_SHADE_LABEL, 0.0, 0, values_uneven, "Shade Color Bars - Uneven Steps" )
- plcolorbar_example_2( PL_COLORBAR_SHADE, 3.0, 3, values_even, "Shade Color Bars - Even Steps" )
- plcolorbar_example_1( PL_COLORBAR_GRADIENT, 0.5, 5, values_small, "Gradient Color Bars" )
- plcolorbar_example_2( PL_COLORBAR_GRADIENT, 0.5, 5, values_small, "Gradient Color Bars" )
+ # Color bar examples
+ values_small = [ -1.0e-200, 1.0e-200 ]
+ values_uneven = [ -1.0e-200, 2.0e-200, 2.6e-200, 3.4e-200, 6.0e-200, 7.0e-200, 8.0e-200, 9.0e-200, 10.0e-200 ]
+ values_even = [ -2.0e-200, -1.0e-200, 0.0e-200, 1.0e-200, 2.0e-200, 3.0e-200, 4.0e-200, 5.0e-200, 6.0e-200 ]
+
+ # Use unsaturated green background colour to contrast with black caps.
+ plscolbg( 70, 185, 70 )
+ # Cut out the greatest and smallest bits of the color spectrum to
+ # leave colors for the end caps.
+ plscmap1_range( 0.01, 0.99 )
+
+ # We can only test image and gradient colorbars with two element arrays
+ for i in arange(COLORBAR_KINDS-2)+2:
+ plcolorbar_example( "cmap1_blue_yellow.pal", i, 0, 0, values_small )
+ # Test shade colorbars with larger arrays
+ for i in arange(2):
+ plcolorbar_example( "cmap1_blue_yellow.pal", i, 4, 2, values_even )
+ for i in arange(2):
+ plcolorbar_example( "cmap1_blue_yellow.pal", i, 0, 0, values_uneven )
+
main()
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