Class: Cosmos::LinegraphWidget

Inherits:
LineGraph show all
Includes:
Widget
Defined in:
lib/cosmos/tools/tlm_viewer/widgets/linegraph_widget.rb

Direct Known Subclasses

TimegraphWidget

Constant Summary

Constants inherited from LineGraph

Cosmos::LineGraph::DOUBLE_CLICK_SECONDS, Cosmos::LineGraph::FRAME_OFFSET, Cosmos::LineGraph::GRAPH_SPACER, Cosmos::LineGraph::LABEL_TICK_SIZE, Cosmos::LineGraph::LEFT_X_LABEL_WIDTH_ADJUST

Instance Attribute Summary

Attributes included from Widget

#item, #item_name, #limits_set, #limits_state, #packet, #packet_name, #polling_period, #screen, #settings, #target_name, #value, #value_type

Attributes inherited from LineGraph

#draw_cursor_line_callback, #horizontal_lines, #left_y_max, #left_y_min, #mouse_leave_callback, #mouse_left_button_press_callback, #post_error_callback, #pre_error_callback, #right_y_max, #right_y_min, #x_max, #x_max_label, #x_min, #x_min_label

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Widget

#context_menu, #get_tooltip_text, included, #process_settings, #set_setting, #set_subsetting, #shutdown, #update_widget

Methods inherited from LineGraph

#add_horizontal_line, #add_line, #add_popups_for_lines, #adjust_popup_positions, attr_accessor_with_redraw, #auto_scale_x, #auto_scale_y, #auto_scale_y_axis, #build_popups_from_x_value, #build_x_grid_lines, #build_y_grid_lines, #calculate_base, #calculate_scaling_factors, #calculate_x_grid_lines, #calculate_y_grid_lines, #calculate_y_labels, #clear_horizontal_lines, #clear_lines, #convert_x_value_to_text, #convert_y_value_to_text, #determine_graph_size, #draw_cursor_line_and_popups, #draw_cursor_line_and_popups_at_x, #draw_error_icon, #draw_frame, #draw_graph_background, #draw_graph_into_back_buffer, #draw_graph_to_screen, #draw_horizontal_lines, #draw_legend, #draw_legend_text, #draw_line, #draw_lines, #draw_origin_lines, #draw_popups, #draw_title, #draw_x_axis_grid_lines, #draw_x_axis_title, #draw_x_label, #draw_y_axis_grid_lines, #draw_y_axis_title, #draw_y_label, #get_legend_position, #graph, #leaveEvent, #manual_scale_x, #manual_scale_y, #mouseMoveEvent, #mousePressEvent, #mouseReleaseEvent, #paintEvent, #remote_draw_cursor_line_at_x, #resizeEvent, #scale_graph, #scale_graph_to_value_x, #scale_left_to_right_y, #scale_value_to_graph_x, #scale_value_to_graph_y, #update_graph_size

Constructor Details

#initialize(parent_layout, target_name, packet_name, item_name, num_samples = 100, width = 300, height = 200, value_type = :CONVERTED) ⇒ LinegraphWidget

Returns a new instance of LinegraphWidget.



20
21
22
23
24
25
26
27
28
29
 
# File 'lib/cosmos/tools/tlm_viewer/widgets/linegraph_widget.rb', line 20

def initialize(parent_layout, target_name, packet_name, item_name, num_samples = 100, width = 300, height = 200, value_type = :CONVERTED)
  super(target_name, packet_name, item_name, value_type)
  setFixedSize(width.to_i, height.to_i)
  self.title = "#{@target_name} #{@packet_name} #{@item_name}"
  self.show_y_grid_lines = true
  self.unix_epoch_x_values = false
  @num_samples = num_samples.to_i
  @data = []
  parent_layout.addWidget(self) if parent_layout
end

Class Method Details

.takes_value? ⇒ Boolean

Returns:

  • (Boolean) 


31
32
33
 
# File 'lib/cosmos/tools/tlm_viewer/widgets/linegraph_widget.rb', line 31

def self.takes_value?
  return true
end

Instance Method Details

#value=(data) ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/cosmos/tools/tlm_viewer/widgets/linegraph_widget.rb', line 35

def value=(data)
  @data << data.to_f

  if @data.length > @num_samples
    @data = @data[1..-1]
  end
  if not @data.empty?
    self.clear_lines
    self.add_line('line', @data)
    self.graph
  end
end