{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# PyTimber Tutorial\n", "
\n", "\n", "Accessing the CERN logging database and extracting machine parameters." ] }, { "cell_type": "code", "execution_count": 1, "metadata": { "collapsed": true }, "outputs": [], "source": [ "import pytimber\n", "import time" ] }, { "cell_type": "code", "execution_count": 2, "metadata": { "collapsed": true }, "outputs": [], "source": [ "db = pytimber.LoggingDB()" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Search for parameters\n", "\n", "Use the wildcard %" ] }, { "cell_type": "code", "execution_count": 3, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "[u'LHC.BCTDC.A6R4.B1:BEAM_INTENSITY',\n", " u'LHC.BCTDC.A6R4.B1:BEAM_INTENSITY_ADC24BIT',\n", " u'LHC.BCTDC.A6R4.B2:BEAM_INTENSITY',\n", " u'LHC.BCTDC.A6R4.B2:BEAM_INTENSITY_ADC24BIT',\n", " u'LHC.BCTDC.B6R4.B1:BEAM_INTENSITY',\n", " u'LHC.BCTDC.B6R4.B1:BEAM_INTENSITY_ADC24BIT',\n", " u'LHC.BCTDC.B6R4.B2:BEAM_INTENSITY',\n", " u'LHC.BCTDC.B6R4.B2:BEAM_INTENSITY_ADC24BIT',\n", " u'LHC.BCTFR.A6R4.B1:BEAM_INTENSITY',\n", " u'LHC.BCTFR.A6R4.B1:BEAM_INTENSITY_LOBW',\n", " u'LHC.BCTFR.A6R4.B2:BEAM_INTENSITY',\n", " u'LHC.BCTFR.A6R4.B2:BEAM_INTENSITY_LOBW',\n", " u'LHC.BCTFR.B6R4.B1.DEV:BEAM_INTENSITY_HBW',\n", " u'LHC.BCTFR.B6R4.B1.DEV:BEAM_INTENSITY_LBW',\n", " u'LHC.BCTFR.B6R4.B1:BEAM_INTENSITY',\n", " u'LHC.BCTFR.B6R4.B1:BEAM_INTENSITY_LOBW',\n", " u'LHC.BCTFR.B6R4.B2.DEV:BEAM_INTENSITY_HBW',\n", " u'LHC.BCTFR.B6R4.B2.DEV:BEAM_INTENSITY_LBW',\n", " u'LHC.BCTFR.B6R4.B2:BEAM_INTENSITY',\n", " u'LHC.BCTFR.B6R4.B2:BEAM_INTENSITY_LOBW',\n", " u'LHC.BWCM.B1:BEAM_INTENSITY',\n", " u'LHC.BWCM.B2:BEAM_INTENSITY']" ] }, "execution_count": 3, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.search(\"%BEAM_INTENSITY%\")" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Explore the parameter tree\n", "\n", "use the ipython autocomplete (TAB) to explorer the parameter tree interactively" ] }, { "cell_type": "code", "execution_count": 4, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "[u'LHC.BQM.B1:ADC_AQUISITION_MAX',\n", " u'LHC.BQM.B1:ADC_AQUISITION_MIN',\n", " u'LHC.BQM.B1:ADC_WAVEFORM',\n", " u'LHC.BQM.B1:ATTENUATION',\n", " u'LHC.BQM.B1:BUNCH_INTENSITIES',\n", " u'LHC.BQM.B1:BUNCH_INTENSITY_MAX',\n", " u'LHC.BQM.B1:BUNCH_INTENSITY_MEAN',\n", " u'LHC.BQM.B1:BUNCH_INTENSITY_MIN',\n", " u'LHC.BQM.B1:BUNCH_INTENSITY_STDDEV',\n", " u'LHC.BQM.B1:BUNCH_LENGTHS',\n", " u'LHC.BQM.B1:BUNCH_LENGTH_MAX',\n", " u'LHC.BQM.B1:BUNCH_LENGTH_MEAN',\n", " u'LHC.BQM.B1:BUNCH_LENGTH_MIN',\n", " u'LHC.BQM.B1:BUNCH_LENGTH_STDDEV',\n", " u'LHC.BQM.B1:BUNCH_MEANS',\n", " u'LHC.BQM.B1:BUNCH_PEAKS',\n", " u'LHC.BQM.B1:BUNCH_PEAK_MAX',\n", " u'LHC.BQM.B1:BUNCH_PEAK_MEAN',\n", " u'LHC.BQM.B1:BUNCH_PEAK_MIN',\n", " u'LHC.BQM.B1:BUNCH_PEAK_STDDEV',\n", " u'LHC.BQM.B1:FILLED_BUCKETS',\n", " u'LHC.BQM.B1:NO_BUNCHES']" ] }, "execution_count": 4, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.tree.LHC.Beam_Quality.Beam_1.get_vars()" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Get Data\n", "\n", "Specify a variable name and a timestamp or an interval. Data is always returned as a dictionary of timestamp, values arrays.\n" ] }, { "cell_type": "code", "execution_count": 5, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'HX:FILLN': (array([ 1.47030292e+09]), array([ 5162.]))}" ] }, "execution_count": 5, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"HX:FILLN\",time.time())" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Timestamps\n", "\n", "Timestamps can be give as floating point number, strings, datatime objects.\n", "\n", "If only one timestamp is given the last value logged prior to the timestamp is given.\n", "\n", "If the second argument is 'next' the first value logged after the timestamp is given.\n", "\n", "If two timestamps are given the values logged in between (inclusively) are given.\n", "\n", "Timestamp are returned as unix timestamp (seconds and fraction from 1970-01-01 00:00:00 GMT) or optionally as datetime object." ] }, { "cell_type": "code", "execution_count": 6, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "'The unixtime `1470312458.631` correspond to `2016-08-04 14:07:38.630` local time.'" ] }, "execution_count": 6, "metadata": {}, "output_type": "execute_result" } ], "source": [ "now=time.time()\n", "\"The unixtime `%.3f` correspond to `%s` local time.\"%(now,pytimber.dumpdate(now))" ] }, { "cell_type": "code", "execution_count": 7, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'HX:FILLN': (array([ 1.47030292e+09]), array([ 5162.]))}" ] }, "execution_count": 7, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"HX:FILLN\",time.time())" ] }, { "cell_type": "code", "execution_count": 8, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'HX:FILLN': (array([ 1.47022719e+09]), array([ 5160.]))}" ] }, "execution_count": 8, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"HX:FILLN\",'2016-08-03 16:30:00.000')" ] }, { "cell_type": "code", "execution_count": 9, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'HX:FILLN': (array([datetime.datetime(2016, 8, 3, 14, 26, 27, 234000)], dtype=object),\n", " array([ 5160.]))}" ] }, "execution_count": 9, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"HX:FILLN\",'2016-08-03 16:30:00.000',unixtime=False)" ] }, { "cell_type": "code", "execution_count": 10, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'HX:FILLN': (array([ 1.47015166e+09]), array([ 5156.]))}" ] }, "execution_count": 10, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"HX:FILLN\",'2016-08-02 16:30:00.000','next')" ] }, { "cell_type": "code", "execution_count": 11, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'HX:FILLN': (array([ 1.47015166e+09, 1.47019695e+09, 1.47019821e+09,\n", " 1.47020552e+09, 1.47022719e+09]),\n", " array([ 5156., 5157., 5158., 5159., 5160.]))}" ] }, "execution_count": 11, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"HX:FILLN\",'2016-08-02 16:30:00.000','2016-08-03 16:30:00.000')" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Variables\n", "\n", "Variables can be given as a string, as a pattern, as a list of strings." ] }, { "cell_type": "code", "execution_count": 12, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'LHC.BCTDC.A6R4.B1:BEAM_INTENSITY': (array([ 1.47031243e+09]),\n", " array([ 2.23163498e+14]))}" ] }, "execution_count": 12, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"LHC.BCTDC.A6R4.B1:BEAM_INTENSITY\",now)" ] }, { "cell_type": "code", "execution_count": 13, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'LHC.BCTDC.A6R4.B1:BEAM_INTENSITY': (array([ 1.47031243e+09]),\n", " array([ 2.23163498e+14])),\n", " u'LHC.BCTDC.A6R4.B2:BEAM_INTENSITY': (array([ 1.47031243e+09]),\n", " array([ 2.24444102e+14]))}" ] }, "execution_count": 13, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get(\"LHC.BCTDC.A6R4.B%:BEAM_INTENSITY\",now)" ] }, { "cell_type": "code", "execution_count": 14, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/plain": [ "{u'LHC.BCTDC.A6R4.B1:BEAM_INTENSITY': (array([ 1.47031243e+09]),\n", " array([ 2.23163498e+14])),\n", " u'LHC.BCTDC.A6R4.B2:BEAM_INTENSITY': (array([ 1.47031243e+09]),\n", " array([ 2.24444102e+14]))}" ] }, "execution_count": 14, "metadata": {}, "output_type": "execute_result" } ], "source": [ "db.get([\"LHC.BCTDC.A6R4.B1:BEAM_INTENSITY\",\"LHC.BCTDC.A6R4.B2:BEAM_INTENSITY\"],now)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Values\n", "\n", "Values can be scalar (floating point values or string) or vectors. If in a query the length of the vectors is the same, as 2D array is returned, else a list of arrays is returned instead." ] }, { "cell_type": "code", "execution_count": 15, "metadata": { "collapsed": true }, "outputs": [], "source": [ "# prepare for plotting\n", "%matplotlib notebook\n", "import matplotlib.pyplot as pl" ] }, { "cell_type": "code", "execution_count": 16, "metadata": { "collapsed": false }, "outputs": [ { "data": { "application/javascript": [ "/* Put everything inside the global mpl namespace */\n", "window.mpl = {};\n", "\n", "mpl.get_websocket_type = function() {\n", " if (typeof(WebSocket) !== 'undefined') {\n", " return WebSocket;\n", " } else if (typeof(MozWebSocket) !== 'undefined') {\n", " return MozWebSocket;\n", " } else {\n", " alert('Your browser does not have WebSocket support.' +\n", " 'Please try Chrome, Safari or Firefox ≥ 6. ' +\n", " 'Firefox 4 and 5 are also supported but you ' +\n", " 'have to enable WebSockets in about:config.');\n", " };\n", "}\n", "\n", "mpl.figure = function(figure_id, websocket, ondownload, parent_element) {\n", " this.id = figure_id;\n", "\n", " this.ws = websocket;\n", "\n", " this.supports_binary = (this.ws.binaryType != undefined);\n", "\n", " if (!this.supports_binary) {\n", " var warnings = document.getElementById(\"mpl-warnings\");\n", " if (warnings) {\n", " warnings.style.display = 'block';\n", " warnings.textContent = (\n", " \"This browser does not support binary websocket messages. \" +\n", " \"Performance may be slow.\");\n", " }\n", " }\n", "\n", " this.imageObj = new Image();\n", "\n", " this.context = undefined;\n", " this.message = undefined;\n", " this.canvas = undefined;\n", " this.rubberband_canvas = undefined;\n", " this.rubberband_context = undefined;\n", " this.format_dropdown = undefined;\n", "\n", " this.image_mode = 'full';\n", "\n", " this.root = $('
');\n", " this._root_extra_style(this.root)\n", " this.root.attr('style', 'display: inline-block');\n", "\n", " $(parent_element).append(this.root);\n", "\n", " this._init_header(this);\n", " this._init_canvas(this);\n", " this._init_toolbar(this);\n", "\n", " var fig = this;\n", "\n", " this.waiting = false;\n", "\n", " this.ws.onopen = function () {\n", " fig.send_message(\"supports_binary\", {value: fig.supports_binary});\n", " fig.send_message(\"send_image_mode\", {});\n", " fig.send_message(\"refresh\", {});\n", " }\n", "\n", " this.imageObj.onload = function() {\n", " if (fig.image_mode == 'full') {\n", " // Full images could contain transparency (where diff images\n", " // almost always do), so we need to clear the canvas so that\n", " // there is no ghosting.\n", " fig.context.clearRect(0, 0, fig.canvas.width, fig.canvas.height);\n", " }\n", " fig.context.drawImage(fig.imageObj, 0, 0);\n", " };\n", "\n", " this.imageObj.onunload = function() {\n", " this.ws.close();\n", " }\n", "\n", " this.ws.onmessage = this._make_on_message_function(this);\n", "\n", " this.ondownload = ondownload;\n", "}\n", "\n", "mpl.figure.prototype._init_header = function() {\n", " var titlebar = $(\n", " '
');\n", " var titletext = $(\n", " '
');\n", " titlebar.append(titletext)\n", " this.root.append(titlebar);\n", " this.header = titletext[0];\n", "}\n", "\n", "\n", "\n", "mpl.figure.prototype._canvas_extra_style = function(canvas_div) {\n", "\n", "}\n", "\n", "\n", "mpl.figure.prototype._root_extra_style = function(canvas_div) {\n", "\n", "}\n", "\n", "mpl.figure.prototype._init_canvas = function() {\n", " var fig = this;\n", "\n", " var canvas_div = $('
');\n", "\n", " canvas_div.attr('style', 'position: relative; clear: both; outline: 0');\n", "\n", " function canvas_keyboard_event(event) {\n", " return fig.key_event(event, event['data']);\n", " }\n", "\n", " canvas_div.keydown('key_press', canvas_keyboard_event);\n", " canvas_div.keyup('key_release', canvas_keyboard_event);\n", " this.canvas_div = canvas_div\n", " this._canvas_extra_style(canvas_div)\n", " this.root.append(canvas_div);\n", "\n", " var canvas = $('');\n", " canvas.addClass('mpl-canvas');\n", " canvas.attr('style', \"left: 0; top: 0; z-index: 0; outline: 0\")\n", "\n", " this.canvas = canvas[0];\n", " this.context = canvas[0].getContext(\"2d\");\n", "\n", " var rubberband = $('');\n", " rubberband.attr('style', \"position: absolute; left: 0; top: 0; z-index: 1;\")\n", "\n", " var pass_mouse_events = true;\n", "\n", " canvas_div.resizable({\n", " start: function(event, ui) {\n", " pass_mouse_events = false;\n", " },\n", " resize: function(event, ui) {\n", " fig.request_resize(ui.size.width, ui.size.height);\n", " },\n", " stop: function(event, ui) {\n", " pass_mouse_events = true;\n", " fig.request_resize(ui.size.width, ui.size.height);\n", " },\n", " });\n", "\n", " function mouse_event_fn(event) {\n", " if (pass_mouse_events)\n", " return fig.mouse_event(event, event['data']);\n", " }\n", "\n", " rubberband.mousedown('button_press', mouse_event_fn);\n", " rubberband.mouseup('button_release', mouse_event_fn);\n", " // Throttle sequential mouse events to 1 every 20ms.\n", " rubberband.mousemove('motion_notify', mouse_event_fn);\n", "\n", " rubberband.mouseenter('figure_enter', mouse_event_fn);\n", " rubberband.mouseleave('figure_leave', mouse_event_fn);\n", "\n", " canvas_div.on(\"wheel\", function (event) {\n", " event = event.originalEvent;\n", " event['data'] = 'scroll'\n", " if (event.deltaY < 0) {\n", " event.step = 1;\n", " } else {\n", " event.step = -1;\n", " }\n", " mouse_event_fn(event);\n", " });\n", "\n", " canvas_div.append(canvas);\n", " canvas_div.append(rubberband);\n", "\n", " this.rubberband = rubberband;\n", " this.rubberband_canvas = rubberband[0];\n", " this.rubberband_context = rubberband[0].getContext(\"2d\");\n", " this.rubberband_context.strokeStyle = \"#000000\";\n", "\n", " this._resize_canvas = function(width, height) {\n", " // Keep the size of the canvas, canvas container, and rubber band\n", " // canvas in synch.\n", " canvas_div.css('width', width)\n", " canvas_div.css('height', height)\n", "\n", " canvas.attr('width', width);\n", " canvas.attr('height', height);\n", "\n", " rubberband.attr('width', width);\n", " rubberband.attr('height', height);\n", " }\n", "\n", " // Set the figure to an initial 600x600px, this will subsequently be updated\n", " // upon first draw.\n", " this._resize_canvas(600, 600);\n", "\n", " // Disable right mouse context menu.\n", " $(this.rubberband_canvas).bind(\"contextmenu\",function(e){\n", " return false;\n", " });\n", "\n", " function set_focus () {\n", " canvas.focus();\n", " canvas_div.focus();\n", " }\n", "\n", " window.setTimeout(set_focus, 100);\n", "}\n", "\n", "mpl.figure.prototype._init_toolbar = function() {\n", " var fig = this;\n", "\n", " var nav_element = $('
')\n", " nav_element.attr('style', 'width: 100%');\n", " this.root.append(nav_element);\n", "\n", " // Define a callback function for later on.\n", " function toolbar_event(event) {\n", " return fig.toolbar_button_onclick(event['data']);\n", " }\n", " function toolbar_mouse_event(event) {\n", " return fig.toolbar_button_onmouseover(event['data']);\n", " }\n", "\n", " for(var toolbar_ind in mpl.toolbar_items) {\n", " var name = mpl.toolbar_items[toolbar_ind][0];\n", " var tooltip = mpl.toolbar_items[toolbar_ind][1];\n", " var image = mpl.toolbar_items[toolbar_ind][2];\n", " var method_name = mpl.toolbar_items[toolbar_ind][3];\n", "\n", " if (!name) {\n", " // put a spacer in here.\n", " continue;\n", " }\n", " var button = $('');\n", " button.click(method_name, toolbar_event);\n", " button.mouseover(tooltip, toolbar_mouse_event);\n", " nav_element.append(button);\n", " }\n", "\n", " // Add the status bar.\n", " var status_bar = $('');\n", " nav_element.append(status_bar);\n", " this.message = status_bar[0];\n", "\n", " // Add the close button to the window.\n", " var buttongrp = $('
');\n", " var button = $('');\n", " button.click(function (evt) { fig.handle_close(fig, {}); } );\n", " button.mouseover('Stop Interaction', toolbar_mouse_event);\n", " buttongrp.append(button);\n", " var titlebar = this.root.find($('.ui-dialog-titlebar'));\n", " titlebar.prepend(buttongrp);\n", "}\n", "\n", "mpl.figure.prototype._root_extra_style = function(el){\n", " var fig = this\n", " el.on(\"remove\", function(){\n", "\tfig.close_ws(fig, {});\n", " });\n", "}\n", "\n", "mpl.figure.prototype._canvas_extra_style = function(el){\n", " // this is important to make the div 'focusable\n", " el.attr('tabindex', 0)\n", " // reach out to IPython and tell the keyboard manager to turn it's self\n", " // off when our div gets focus\n", "\n", " // location in version 3\n", " if (IPython.notebook.keyboard_manager) {\n", " IPython.notebook.keyboard_manager.register_events(el);\n", " }\n", " else {\n", " // location in version 2\n", " IPython.keyboard_manager.register_events(el);\n", " }\n", "\n", "}\n", "\n", "mpl.figure.prototype._key_event_extra = function(event, name) {\n", " var manager = IPython.notebook.keyboard_manager;\n", " if (!manager)\n", " manager = IPython.keyboard_manager;\n", "\n", " // Check for shift+enter\n", " if (event.shiftKey && event.which == 13) {\n", " this.canvas_div.blur();\n", " event.shiftKey = false;\n", " // Send a \"J\" for go to next cell\n", " event.which = 74;\n", " event.keyCode = 74;\n", " manager.command_mode();\n", " manager.handle_keydown(event);\n", " }\n", "}\n", "\n", "mpl.figure.prototype.handle_save = function(fig, msg) {\n", " fig.ondownload(fig, null);\n", "}\n", "\n", "\n", "mpl.find_output_cell = function(html_output) {\n", " // Return the cell and output element which can be found *uniquely* in the notebook.\n", " // Note - this is a bit hacky, but it is done because the \"notebook_saving.Notebook\"\n", " // IPython event is triggered only after the cells have been serialised, which for\n", " // our purposes (turning an active figure into a static one), is too late.\n", " var cells = IPython.notebook.get_cells();\n", " var ncells = cells.length;\n", " for (var i=0; i= 3 moved mimebundle to data attribute of output\n", " data = data.data;\n", " }\n", " if (data['text/html'] == html_output) {\n", " return [cell, data, j];\n", " }\n", " }\n", " }\n", " }\n", "}\n", "\n", "// Register the function which deals with the matplotlib target/channel.\n", "// The kernel may be null if the page has been refreshed.\n", "if (IPython.notebook.kernel != null) {\n", " IPython.notebook.kernel.comm_manager.register_target('matplotlib', mpl.mpl_figure_comm);\n", "}\n" ], "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" }, { "data": { "text/html": [ "" ], "text/plain": [ "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "pl.figure()\n", "pl.imshow(valuesb1,aspect='auto',origin='bottom')\n", "pl.ylabel('seconds'); pl.xlabel(\"slot number\")\n", "pl.colorbar(); pl.clim(9e10,12e10)" ] }, { "cell_type": "code", "execution_count": 19, "metadata": { "collapsed": false }, "outputs": [ { "data": { "application/javascript": [ "/* Put everything inside the global mpl namespace */\n", "window.mpl = {};\n", "\n", "mpl.get_websocket_type = function() {\n", " if (typeof(WebSocket) !== 'undefined') {\n", " return WebSocket;\n", " } else if (typeof(MozWebSocket) !== 'undefined') {\n", " return MozWebSocket;\n", " } else {\n", " alert('Your browser does not have WebSocket support.' +\n", " 'Please try Chrome, Safari or Firefox ≥ 6. ' +\n", " 'Firefox 4 and 5 are also supported but you ' +\n", " 'have to enable WebSockets in about:config.');\n", " };\n", "}\n", "\n", "mpl.figure = function(figure_id, websocket, ondownload, parent_element) {\n", " this.id = figure_id;\n", "\n", " this.ws = websocket;\n", "\n", " this.supports_binary = (this.ws.binaryType != undefined);\n", "\n", " if (!this.supports_binary) {\n", " var warnings = document.getElementById(\"mpl-warnings\");\n", " if (warnings) {\n", " warnings.style.display = 'block';\n", " warnings.textContent = (\n", " \"This browser does not support binary websocket messages. \" +\n", " \"Performance may be slow.\");\n", " }\n", " }\n", "\n", " this.imageObj = new Image();\n", "\n", " this.context = undefined;\n", " this.message = undefined;\n", " this.canvas = undefined;\n", " this.rubberband_canvas = undefined;\n", " this.rubberband_context = undefined;\n", " this.format_dropdown = undefined;\n", "\n", " this.image_mode = 'full';\n", "\n", " this.root = $('
');\n", " this._root_extra_style(this.root)\n", " this.root.attr('style', 'display: inline-block');\n", "\n", " $(parent_element).append(this.root);\n", "\n", " this._init_header(this);\n", " this._init_canvas(this);\n", " this._init_toolbar(this);\n", "\n", " var fig = this;\n", "\n", " this.waiting = false;\n", "\n", " this.ws.onopen = function () {\n", " fig.send_message(\"supports_binary\", {value: fig.supports_binary});\n", " fig.send_message(\"send_image_mode\", {});\n", " fig.send_message(\"refresh\", {});\n", " }\n", "\n", " this.imageObj.onload = function() {\n", " if (fig.image_mode == 'full') {\n", " // Full images could contain transparency (where diff images\n", " // almost always do), so we need to clear the canvas so that\n", " // there is no ghosting.\n", " fig.context.clearRect(0, 0, fig.canvas.width, fig.canvas.height);\n", " }\n", " fig.context.drawImage(fig.imageObj, 0, 0);\n", " };\n", "\n", " this.imageObj.onunload = function() {\n", " this.ws.close();\n", " }\n", "\n", " this.ws.onmessage = this._make_on_message_function(this);\n", "\n", " this.ondownload = ondownload;\n", "}\n", "\n", "mpl.figure.prototype._init_header = function() {\n", " var titlebar = $(\n", " '
');\n", " var titletext = $(\n", " '
');\n", " titlebar.append(titletext)\n", " this.root.append(titlebar);\n", " this.header = titletext[0];\n", "}\n", "\n", "\n", "\n", "mpl.figure.prototype._canvas_extra_style = function(canvas_div) {\n", "\n", "}\n", "\n", "\n", "mpl.figure.prototype._root_extra_style = function(canvas_div) {\n", "\n", "}\n", "\n", "mpl.figure.prototype._init_canvas = function() {\n", " var fig = this;\n", "\n", " var canvas_div = $('
');\n", "\n", " canvas_div.attr('style', 'position: relative; clear: both; outline: 0');\n", "\n", " function canvas_keyboard_event(event) {\n", " return fig.key_event(event, event['data']);\n", " }\n", "\n", " canvas_div.keydown('key_press', canvas_keyboard_event);\n", " canvas_div.keyup('key_release', canvas_keyboard_event);\n", " this.canvas_div = canvas_div\n", " this._canvas_extra_style(canvas_div)\n", " this.root.append(canvas_div);\n", "\n", " var canvas = $('');\n", " canvas.addClass('mpl-canvas');\n", " canvas.attr('style', \"left: 0; top: 0; z-index: 0; outline: 0\")\n", "\n", " this.canvas = canvas[0];\n", " this.context = canvas[0].getContext(\"2d\");\n", "\n", " var rubberband = $('');\n", " rubberband.attr('style', \"position: absolute; left: 0; top: 0; z-index: 1;\")\n", "\n", " var pass_mouse_events = true;\n", "\n", " canvas_div.resizable({\n", " start: function(event, ui) {\n", " pass_mouse_events = false;\n", " },\n", " resize: function(event, ui) {\n", " fig.request_resize(ui.size.width, ui.size.height);\n", " },\n", " stop: function(event, ui) {\n", " pass_mouse_events = true;\n", " fig.request_resize(ui.size.width, ui.size.height);\n", " },\n", " });\n", "\n", " function mouse_event_fn(event) {\n", " if (pass_mouse_events)\n", " return fig.mouse_event(event, event['data']);\n", " }\n", "\n", " rubberband.mousedown('button_press', mouse_event_fn);\n", " rubberband.mouseup('button_release', mouse_event_fn);\n", " // Throttle sequential mouse events to 1 every 20ms.\n", " rubberband.mousemove('motion_notify', mouse_event_fn);\n", "\n", " rubberband.mouseenter('figure_enter', mouse_event_fn);\n", " rubberband.mouseleave('figure_leave', mouse_event_fn);\n", "\n", " canvas_div.on(\"wheel\", function (event) {\n", " event = event.originalEvent;\n", " event['data'] = 'scroll'\n", " if (event.deltaY < 0) {\n", " event.step = 1;\n", " } else {\n", " event.step = -1;\n", " }\n", " mouse_event_fn(event);\n", " });\n", "\n", " canvas_div.append(canvas);\n", " canvas_div.append(rubberband);\n", "\n", " this.rubberband = rubberband;\n", " this.rubberband_canvas = rubberband[0];\n", " this.rubberband_context = rubberband[0].getContext(\"2d\");\n", " this.rubberband_context.strokeStyle = \"#000000\";\n", "\n", " this._resize_canvas = function(width, height) {\n", " // Keep the size of the canvas, canvas container, and rubber band\n", " // canvas in synch.\n", " canvas_div.css('width', width)\n", " canvas_div.css('height', height)\n", "\n", " canvas.attr('width', width);\n", " canvas.attr('height', height);\n", "\n", " rubberband.attr('width', width);\n", " rubberband.attr('height', height);\n", " }\n", "\n", " // Set the figure to an initial 600x600px, this will subsequently be updated\n", " // upon first draw.\n", " this._resize_canvas(600, 600);\n", "\n", " // Disable right mouse context menu.\n", " $(this.rubberband_canvas).bind(\"contextmenu\",function(e){\n", " return false;\n", " });\n", "\n", " function set_focus () {\n", " canvas.focus();\n", " canvas_div.focus();\n", " }\n", "\n", " window.setTimeout(set_focus, 100);\n", "}\n", "\n", "mpl.figure.prototype._init_toolbar = function() {\n", " var fig = this;\n", "\n", " var nav_element = $('
')\n", " nav_element.attr('style', 'width: 100%');\n", " this.root.append(nav_element);\n", "\n", " // Define a callback function for later on.\n", " function toolbar_event(event) {\n", " return fig.toolbar_button_onclick(event['data']);\n", " }\n", " function toolbar_mouse_event(event) {\n", " return fig.toolbar_button_onmouseover(event['data']);\n", " }\n", "\n", " for(var toolbar_ind in mpl.toolbar_items) {\n", " var name = mpl.toolbar_items[toolbar_ind][0];\n", " var tooltip = mpl.toolbar_items[toolbar_ind][1];\n", " var image = mpl.toolbar_items[toolbar_ind][2];\n", " var method_name = mpl.toolbar_items[toolbar_ind][3];\n", "\n", " if (!name) {\n", " // put a spacer in here.\n", " continue;\n", " }\n", " var button = $('