From 6d9a16470bbb416d311a8830d7db42d6c69a39cf Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Thu, 8 Sep 2016 13:15:11 -0700
Subject: wxgui: removed
---
gr-wxgui/python/wxgui/plotter/waterfall_plotter.py | 294 ---------------------
1 file changed, 294 deletions(-)
delete mode 100644 gr-wxgui/python/wxgui/plotter/waterfall_plotter.py
(limited to 'gr-wxgui/python/wxgui/plotter/waterfall_plotter.py')
diff --git a/gr-wxgui/python/wxgui/plotter/waterfall_plotter.py b/gr-wxgui/python/wxgui/plotter/waterfall_plotter.py
deleted file mode 100644
index a5601e25bc..0000000000
--- a/gr-wxgui/python/wxgui/plotter/waterfall_plotter.py
+++ /dev/null
@@ -1,294 +0,0 @@
-#
-# Copyright 2008, 2009, 2010 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
-import gltext
-import math
-import struct
-
-LEGEND_LEFT_PAD = 7
-LEGEND_NUM_BLOCKS = 256
-LEGEND_NUM_LABELS = 9
-LEGEND_WIDTH = 8
-LEGEND_FONT_SIZE = 8
-LEGEND_BORDER_COLOR_SPEC = (0, 0, 0) #black
-MIN_PADDING = 0, 60, 0, 0 #top, right, bottom, left
-
-ceil_log2 = lambda x: 2**int(math.ceil(math.log(x)/math.log(2)))
-
-pack_color = lambda x: struct.unpack('I', struct.pack('BBBB', *x))[0]
-unpack_color = lambda x: struct.unpack('BBBB', struct.pack('I', int(x)))
-
-def _get_rbga(red_pts, green_pts, blue_pts, alpha_pts=[(0, 0), (1, 0)]):
- """
- Get an array of 256 rgba values where each index maps to a color.
- The scaling for red, green, blue, alpha are specified in piece-wise functions.
- The piece-wise functions consist of a set of x, y coordinates.
- The x and y values of the coordinates range from 0 to 1.
- The coordinates must be specified so that x increases with the index value.
- Resulting values are calculated along the line formed between 2 coordinates.
-
- Args:
- red_pts, green_pts, blue_pts, alpha_pts: an array of x,y coordinates for each color element
-
- Returns:
- array of rbga values (4 bytes) each
- """
- def _fcn(x, pw):
- for (x1, y1), (x2, y2) in zip(pw, pw[1:]):
- #linear interpolation
- if x <= x2: return float(y1 - y2)/(x1 - x2)*(x - x1) + y1
- raise Exception
- return numpy.array([pack_color(map(
- lambda pw: int(255*_fcn(i/255.0, pw)),
- (red_pts, green_pts, blue_pts, alpha_pts),
- )) for i in range(0, 256)], numpy.uint32)
-
-COLORS = {
- 'rgb1': _get_rbga( #http://www.ks.uiuc.edu/Research/vmd/vmd-1.7.1/ug/img47.gif
- red_pts = [(0, 0), (.5, 0), (1, 1)],
- green_pts = [(0, 0), (.5, 1), (1, 0)],
- blue_pts = [(0, 1), (.5, 0), (1, 0)],
- ),
- 'rgb2': _get_rbga( #http://xtide.ldeo.columbia.edu/~krahmann/coledit/screen.jpg
- red_pts = [(0, 0), (3.0/8, 0), (5.0/8, 1), (7.0/8, 1), (1, .5)],
- green_pts = [(0, 0), (1.0/8, 0), (3.0/8, 1), (5.0/8, 1), (7.0/8, 0), (1, 0)],
- blue_pts = [(0, .5), (1.0/8, 1), (3.0/8, 1), (5.0/8, 0), (1, 0)],
- ),
- 'rgb3': _get_rbga(
- red_pts = [(0, 0), (1.0/3.0, 0), (2.0/3.0, 0), (1, 1)],
- green_pts = [(0, 0), (1.0/3.0, 0), (2.0/3.0, 1), (1, 0)],
- blue_pts = [(0, 0), (1.0/3.0, 1), (2.0/3.0, 0), (1, 0)],
- ),
- 'gray': _get_rbga(
- red_pts = [(0, 0), (1, 1)],
- green_pts = [(0, 0), (1, 1)],
- blue_pts = [(0, 0), (1, 1)],
- ),
-}
-
-##################################################
-# Waterfall Plotter
-##################################################
-class waterfall_plotter(grid_plotter_base):
- def __init__(self, parent):
- """
- Create a new channel plotter.
- """
- #init
- grid_plotter_base.__init__(self, parent, MIN_PADDING)
- #setup legend cache
- self._legend_cache = self.new_gl_cache(self._draw_legend)
- #setup waterfall cache
- self._waterfall_cache = self.new_gl_cache(self._draw_waterfall, 50)
- #setup waterfall plotter
- self.register_init(self._init_waterfall)
- self._resize_texture(False)
- self._minimum = 0
- self._maximum = 0
- self._fft_size = 1
- self._buffer = list()
- self._pointer = 0
- self._counter = 0
- self.set_num_lines(0)
- self.set_color_mode(COLORS.keys()[0])
- self.callback = None
-
- def _init_waterfall(self):
- """
- Run gl initialization tasks.
- """
- self._waterfall_texture = GL.glGenTextures(1)
-
- def _draw_waterfall(self):
- """
- Draw the waterfall from the texture.
- The texture is circularly filled and will wrap around.
- Use matrix modeling to shift and scale the texture onto the coordinate plane.
- """
- #resize texture
- self._resize_texture()
- #setup texture
- GL.glBindTexture(GL.GL_TEXTURE_2D, self._waterfall_texture)
- GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR)
- GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR)
- GL.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_REPEAT)
- GL.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE)
- #write the buffer to the texture
- while self._buffer:
- GL.glTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, self._pointer, self._fft_size, 1, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, self._buffer.pop(0))
- self._pointer = (self._pointer + 1)%self._num_lines
- #begin drawing
- GL.glEnable(GL.GL_TEXTURE_2D)
- GL.glPushMatrix()
- #matrix scaling
- GL.glTranslatef(self.padding_left, self.padding_top, 0)
- GL.glScalef(
- float(self.width-self.padding_left-self.padding_right),
- float(self.height-self.padding_top-self.padding_bottom),
- 1.0,
- )
- #draw texture with wrapping
- GL.glBegin(GL.GL_QUADS)
- prop_y = float(self._pointer)/(self._num_lines-1)
- prop_x = float(self._fft_size)/ceil_log2(self._fft_size)
- off = 1.0/(self._num_lines-1)
- GL.glTexCoord2f(0, prop_y+1-off)
- GL.glVertex2f(0, 1)
- GL.glTexCoord2f(prop_x, prop_y+1-off)
- GL.glVertex2f(1, 1)
- GL.glTexCoord2f(prop_x, prop_y)
- GL.glVertex2f(1, 0)
- GL.glTexCoord2f(0, prop_y)
- GL.glVertex2f(0, 0)
- GL.glEnd()
- GL.glPopMatrix()
- GL.glDisable(GL.GL_TEXTURE_2D)
-
- def _populate_point_label(self, x_val, y_val):
- """
- Get the text the will populate the point label.
- Give the X value for the current point.
-
- Args:
- x_val: the current x value
- y_val: the current y value
-
- Returns:
- a value string with units
- """
- return '%s: %s'%(self.x_label, common.eng_format(x_val, self.x_units))
-
- def _call_callback(self, x_val, y_val):
- if self.callback != None:
- self.callback(x_val,y_val)
-
- def set_callback(self,callback):
- self.callback = callback
-
- def _draw_legend(self):
- """
- Draw the color scale legend.
- """
- if not self._color_mode: return
- legend_height = self.height-self.padding_top-self.padding_bottom
- #draw each legend block
- block_height = float(legend_height)/LEGEND_NUM_BLOCKS
- x = self.width - self.padding_right + LEGEND_LEFT_PAD
- for i in range(LEGEND_NUM_BLOCKS):
- color = unpack_color(COLORS[self._color_mode][int(255*i/float(LEGEND_NUM_BLOCKS-1))])
- GL.glColor4f(*numpy.array(color)/255.0)
- y = self.height - (i+1)*block_height - self.padding_bottom
- self._draw_rect(x, y, LEGEND_WIDTH, block_height)
- #draw rectangle around color scale border
- GL.glColor3f(*LEGEND_BORDER_COLOR_SPEC)
- self._draw_rect(x, self.padding_top, LEGEND_WIDTH, legend_height, fill=False)
- #draw each legend label
- label_spacing = float(legend_height)/(LEGEND_NUM_LABELS-1)
- x = self.width - (self.padding_right - LEGEND_LEFT_PAD - LEGEND_WIDTH)/2
- for i in range(LEGEND_NUM_LABELS):
- proportion = i/float(LEGEND_NUM_LABELS-1)
- dB = proportion*(self._maximum - self._minimum) + self._minimum
- y = self.height - i*label_spacing - self.padding_bottom
- txt = gltext.Text('%ddB'%int(dB), font_size=LEGEND_FONT_SIZE, centered=True)
- txt.draw_text(wx.Point(x, y))
-
- def _resize_texture(self, flag=None):
- """
- Create the texture to fit the fft_size X num_lines.
-
- Args:
- flag: the set/unset or update flag
- """
- if flag is not None:
- self._resize_texture_flag = flag
- return
- if not self._resize_texture_flag: return
- self._buffer = list()
- self._pointer = 0
- if self._num_lines and self._fft_size:
- GL.glBindTexture(GL.GL_TEXTURE_2D, self._waterfall_texture)
- data = numpy.zeros(self._num_lines*ceil_log2(self._fft_size)*4, numpy.uint8).tostring()
- GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, ceil_log2(self._fft_size), self._num_lines, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, data)
- self._resize_texture_flag = False
-
- def set_color_mode(self, color_mode):
- """
- Set the color mode.
- New samples will be converted to the new color mode.
- Old samples will not be recolorized.
-
- Args:
- color_mode: the new color mode string
- """
- self.lock()
- if color_mode in COLORS.keys():
- self._color_mode = color_mode
- self._legend_cache.changed(True)
- self.update()
- self.unlock()
-
- def set_num_lines(self, num_lines):
- """
- Set number of lines.
- Powers of two only.
-
- Args:
- num_lines: the new number of lines
- """
- self.lock()
- self._num_lines = num_lines
- self._resize_texture(True)
- self.update()
- self.unlock()
-
- def set_samples(self, samples, minimum, maximum):
- """
- Set the samples to the waterfall.
- Convert the samples to color data.
-
- Args:
- samples: the array of floats
- minimum: the minimum value to scale
- maximum: the maximum value to scale
- """
- self.lock()
- #set the min, max values
- if self._minimum != minimum or self._maximum != maximum:
- self._minimum = minimum
- self._maximum = maximum
- self._legend_cache.changed(True)
- if self._fft_size != len(samples):
- self._fft_size = len(samples)
- self._resize_texture(True)
- #normalize the samples to min/max
- samples = (samples - minimum)*float(255/(maximum-minimum))
- samples = numpy.clip(samples, 0, 255) #clip
- samples = numpy.array(samples, numpy.uint8)
- #convert the samples to RGBA data
- data = COLORS[self._color_mode][samples].tostring()
- self._buffer.append(data)
- self._waterfall_cache.changed(True)
- self.unlock()
--
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