The construction of various types of diagrams is an essential part of the analyses of the market situation and the testing of a trading system. Frequently, in order to construct a nice looking diagram, it is necessary to organize the data output into a file, after which it is used in applications such as MS Excel. This is not very convenient and deprives us of the ability to dynamically update the data. Google Charts API provided the means for creating charts in online modes, by sending a special request to the server. In this article we attempt to automate the process of creating such a request and obtaining a chart from the Google server.

Introduction

The Google Chart allows the building of 11 types of different charts. Here they are:

1. Line charts
2. Bar charts
3. Scatter charts
4. Radar charts
5. Candlestick charts
6. Venn Charts
7. QR codes
8. Map charts
9. Formulas
10. Graph charts
11. Pie Chart

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