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VPIphotonicsAnalyzer.pdf

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VPIphotonicsAnalyzer.pdf

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User Interface Reference 107

C hapte r 2

VPIphotonicsAnalyzer

VPIphotonicsAnalyzer™ is a powerful data visualization and analysis tool that works with

optical, electrical and numerical inputs. This chapter describes the VPIphotonicsAnalyzer

user interface, explains the purpose of each panel and provides detailed information on

the commands and options you can use to adjust the presentation of your simulation data.

The following topics are covered:

• User Interface Overview

• Properties of Objects on the Chart

• Analyzer Manager

• Analyzer Settings

• Exporting and Importing Data

• Copying Traces

The signal can be shown and analyzed in eight modes: OSA, Scope, Eye, RFSA, Poincare,

Numerical, Constellation and Slice. The first five modes are designed to work with optical

and electrical signals as provided by the VPI Design Suite products. Numerical mode is

designed to work with ordinary numerical data in integer and float form. Constellation and

Slice mode are designed for quadrature-modulated signal analysis.

For optical input, you can switch between OSA, Scope, Eye and Poincare modes. The RFSA,

Scope and Eye modes are available for electrical inputs. VPIphotonicsAnalyzer works with

signals in both block and sample modes.

For information on how to use each analyzer mode, see Chapter 10, “Analyzing Simulation

Results” in the VPIphotonics Design Suite™ Simulation Guide.

Chapter 2 VPIphotonicsAnalyzer

108 VPIphotonics Design Suite™

User Interface Overview

The VPIphotonicsAnalyzer application window includes the areas shown in Figure 2-1.

Figure 2-1 VPIphotonicsAnalyzer User Interface (in Eye mode)

Menu Bar

Window Bar

Panels

Panel

Iteration

Results

Selector

Panels

Docked

Toolbars

Chart

User Interface Overview

User Interface Reference 109

Panels

The following panels are available in the VPIphotonicsAnalyzer window:

• Control Panel

• Analyzer Manager

• Properties Panel

• Input Selector

• Iteration Selector

• Window Bar

• Marker Readings Panel

• Message Window

Panels can be moved anywhere in the VPIphotonicsAnalyzer window. When you drag and

drop one panel onto another, they join into a single panel with tabs and you can select the

desired panel by clicking on the corresponding tab.

A panel can be docked to the window edge by dragging it close to the border. When a panel

is docked, it can be pinned/unpinned by clicking the button in the title bar.

When a panel is in the “pinned” state, it is always shown. In the “unpinned” state, it is

automatically hidden after a short delay — to see it again, hover over its name near the

window border with the mouse. By default, the Message Window and Input Selector are in

the unpinned state.

A detailed description of each panel is provided in the sections below.

Control Panel

The Control Panel contains a set of different panels for settings and analysis. The panel

can be opened or closed by clicking the corresponding toolbar button. For example,

Figure 2-1 on page 108 shows the Amplitude Analysis control panel with the Mean Ones

and Mean Zeros options selected. If the BER Analysis button is pressed, the BER Analysis

control panel will appear with the settings available for BER analysis.

Note: Each Analyzer mode provides a different set of panels. The Common Settings

panel is available in all modes.

Chapter 2 VPIphotonicsAnalyzer

110 VPIphotonics Design Suite™

Analyzer Manager

The Analyzer Manager is a tool that allows you to view and select objects presented on the

chart. The Analyzer Manager is organized in the tree form as shown in Figure 2-2.

Figure 2-2 Sample Analyzer Manager contents

The first (top) level of the tree contains the names of simulations for which analyzer

entries are available. Simulations are shown in the same order in which they have been

executed in VPI Design Suite.

The tree contains all objects available on the chart. You can select one or more objects in

the Analyzer Manager and switch to the Properties panel to edit their properties.

You can switch between available VPIphotonicsAnalyzer modes by double-clicking a

corresponding object in the Analyzer Manager. To switch between the various

VPIphotonicsAnalyzer modes, make sure that the Show inactive analyzer tool option is

enabled under Tools > Options > Analyzer Manager. This provides an alternative way to

navigate between different modes of the current simulation (you can also use the Analysis

menu or the toolbar buttons).

If you closed any of the windows visualizing a signal, they can be reopened by

double-clicking the corresponding objects in the Analyzer Manager. For example, a closed

OSA chart will be shown again when you double-click the OSA node in the Analyzer

Manager tree.

For details, see “Analyzer Manager” on page 159.

User Interface Overview

User Interface Reference 111

Properties Panel

The Properties panel is used to change the settings of objects on the chart. It can be

accessed by choosing Properties panel from the View menu or by double-clicking an

object on the chart. You can also choose an object in the Analyzer Manager and then

switch to the Properties panel to access the settings for the selected object (the properties

of some objects can be accessed only in this way).

Figure 2-3 shows an example of the Properties panel for a sampled signal trace object.

Figure 2-3 Properties panel for a simple object (line)

Each entry in the Properties panel corresponds to an attribute of the selected object.

These attributes include color, line width, font size, symbol shape, content of text lines,

and so on.

The Properties panel does not have Apply, OK, or Cancel buttons. Your changes are

applied automatically when you press

ENTER or change focus.

Parameters are divided into groups, as shown in Figure 2-3.

Input Selector

When there are several inputs, the Input Selector is used to choose the inputs you want to

show in the chart. For example, in Figure 2-4 the Input Selector is shown with three of five

inputs selected. When an input is not selected, it will not be displayed in the chart and no

analysis will be performed for the data it contains. The input name forms the common part

of the legend for multiple traces that belong to the same input. The name can be edited

directly in the Input Selector.

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