Class: Cosmos::XyPlotGuiObject

Inherits:
LinegraphPlotGuiObject show all
Defined in:
lib/cosmos/tools/tlm_grapher/plot_gui_objects/xy_plot_gui_object.rb

Overview

Represents a X-Y graph plot in the graphing system. This class extends LinegraphPlotGuiObject by re-implementing the update methods.

Direct Known Subclasses

SinglexyPlotGuiObject

Constant Summary

Constants inherited from LinegraphPlotGuiObject

LinegraphPlotGuiObject::SELECTED_FRAME_COLOR

Constants inherited from LineGraph

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

Instance Attribute Summary

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

Instance Method Summary collapse

Methods inherited from LinegraphPlotGuiObject

#initialize, #redraw, #select, #selected?, #unselect

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, #initialize, #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

This class inherits a constructor from Cosmos::LinegraphPlotGuiObject

Instance Method Details

#update(redraw_needed = false) ⇒ Object

Updates the linegraph to new settings



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# File 'lib/cosmos/tools/tlm_grapher/plot_gui_objects/xy_plot_gui_object.rb', line 21

def update(redraw_needed = false)
  if @plot.manual_x_scale
    self.manual_scale_x(*(@plot.manual_x_scale))
  else
    self.auto_scale_x
  end
  self.ordered_x_values = false
  self.show_popup_x_y = true
  super(redraw_needed)
end

#update_overview(points_plotted, overview_graph) ⇒ Object

Update the overview graph with this plots data



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# File 'lib/cosmos/tools/tlm_grapher/plot_gui_objects/xy_plot_gui_object.rb', line 33

def update_overview(points_plotted, overview_graph)
  @plot.data_objects.each do |data_object|
    begin
      overview_graph.add_line(data_object.name, data_object.y_values, data_object.time_values, nil, nil, nil, nil, data_object.color, :LEFT, points_plotted) unless data_object.y_values.empty?
    rescue Exception => error
      # Ignore errors in overview graph
      raise error if error.class == NoMemoryError
    end
  end
end

#update_plot(points_plotted, min_x_value, max_x_value, single = false) ⇒ Object

Updates the lines on the plot



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# File 'lib/cosmos/tools/tlm_grapher/plot_gui_objects/xy_plot_gui_object.rb', line 45

def update_plot(points_plotted, min_x_value, max_x_value, single = false)
  self.clear_lines
  @plot.data_objects.each do |data_object|
    unless data_object.time_values.empty?
      begin
        raise "LineGraph time data must be Numeric" unless data_object.time_values[0].kind_of?(Numeric)
        range = data_object.time_values.range_within(min_x_value, max_x_value)
        range = (range.last)..(range.last) if single
        time_values = data_object.time_values[range]
        if time_values[0] and time_values[0] >= min_x_value and time_values[0] <= max_x_value
          x_values = data_object.x_values[range]
          y_values = data_object.y_values[range]
          self.add_line(data_object.name, y_values, x_values, nil, nil, data_object.y_states, data_object.x_states, data_object.color, :LEFT, points_plotted) unless y_values.empty?
        end
      rescue Exception => error
        raise error if error.class == NoMemoryError
        self.error = error unless self.error
      end
    end
    if data_object.error
      self.error = data_object.error
      data_object.error = nil
    end
  end
  @plot.redraw_needed = false
end