diff options
Diffstat (limited to 'gr-wxgui/python/wxgui/plotter/bar_plotter.py')
| -rw-r--r-- | gr-wxgui/python/wxgui/plotter/bar_plotter.py | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/gr-wxgui/python/wxgui/plotter/bar_plotter.py b/gr-wxgui/python/wxgui/plotter/bar_plotter.py deleted file mode 100644 index 487db66b64..0000000000 --- a/gr-wxgui/python/wxgui/plotter/bar_plotter.py +++ /dev/null @@ -1,150 +0,0 @@ -# -# Copyright 2009 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -import wx -from grid_plotter_base import grid_plotter_base -from OpenGL import GL -import common -import numpy - -LEGEND_TEXT_FONT_SIZE = 8 -LEGEND_BOX_PADDING = 3 -MIN_PADDING = 0, 0, 0, 70 #top, right, bottom, left -#constants for the waveform storage -SAMPLES_KEY = 'samples' -COLOR_SPEC_KEY = 'color_spec' -MARKERY_KEY = 'marker' -TRIG_OFF_KEY = 'trig_off' - -################################################## -# Bar Plotter for histogram waveforms -################################################## -class bar_plotter(grid_plotter_base): - - def __init__(self, parent): - """ - Create a new bar plotter. - """ - #init - grid_plotter_base.__init__(self, parent, MIN_PADDING) - self._bars = list() - self._bar_width = .5 - self._color_spec = (0, 0, 0) - #setup bar cache - self._bar_cache = self.new_gl_cache(self._draw_bars) - #setup bar plotter - self.register_init(self._init_bar_plotter) - - def _init_bar_plotter(self): - """ - Run gl initialization tasks. - """ - GL.glEnableClientState(GL.GL_VERTEX_ARRAY) - - def _draw_bars(self): - """ - Draw the vertical bars. - """ - bars = self._bars - num_bars = len(bars) - if num_bars == 0: return - #use scissor to prevent drawing outside grid - GL.glEnable(GL.GL_SCISSOR_TEST) - GL.glScissor( - self.padding_left, - self.padding_bottom+1, - self.width-self.padding_left-self.padding_right-1, - self.height-self.padding_top-self.padding_bottom-1, - ) - #load the points - points = list() - width = self._bar_width/2 - for i, bar in enumerate(bars): - points.extend([ - (i-width, 0), - (i+width, 0), - (i+width, bar), - (i-width, bar), - ] - ) - GL.glColor3f(*self._color_spec) - #matrix transforms - GL.glPushMatrix() - GL.glTranslatef(self.padding_left, self.padding_top, 0) - GL.glScalef( - (self.width-self.padding_left-self.padding_right), - (self.height-self.padding_top-self.padding_bottom), - 1, - ) - GL.glTranslatef(0, 1, 0) - GL.glScalef(1.0/(num_bars-1), -1.0/(self.y_max-self.y_min), 1) - GL.glTranslatef(0, -self.y_min, 0) - #draw the bars - GL.glVertexPointerf(points) - GL.glDrawArrays(GL.GL_QUADS, 0, len(points)) - GL.glPopMatrix() - GL.glDisable(GL.GL_SCISSOR_TEST) - - def _populate_point_label(self, x_val, y_val): - """ - Get the text the will populate the point label. - Give X and Y values for the current point. - Give values for the channel at the X coordinate. - - Args: - x_val: the current x value - y_val: the current y value - - Returns: - a string with newlines - """ - if len(self._bars) == 0: return '' - scalar = float(len(self._bars)-1)/(self.x_max - self.x_min) - #convert x val to bar # - bar_index = scalar*(x_val - self.x_min) - #if abs(bar_index - round(bar_index)) > self._bar_width/2: return '' - bar_index = int(round(bar_index)) - bar_start = (bar_index - self._bar_width/2)/scalar + self.x_min - bar_end = (bar_index + self._bar_width/2)/scalar + self.x_min - bar_value = self._bars[bar_index] - return '%s to %s\n%s: %s'%( - common.eng_format(bar_start, self.x_units), - common.eng_format(bar_end, self.x_units), - self.y_label, common.eng_format(bar_value, self.y_units), - ) - - def set_bars(self, bars, bar_width, color_spec): - """ - Set the bars. - - Args: - bars: a list of bars - bar_width: the fractional width of the bar, between 0 and 1 - color_spec: the color tuple - """ - self.lock() - self._bars = bars - self._bar_width = float(bar_width) - self._color_spec = color_spec - self._bar_cache.changed(True) - self.unlock() - - |