in the layout editor, delete the data element that birt automatically adds to the group header.

the difference between queries in rational team concert and data sets in a birt report is that data sets allow much more flexibility.

RationalTeamConcert查询与BIRT报表数据集之间的差异在于，数据集支持更大的灵活性。

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presentation: birt provides support to present data as lists, charts, groups and in many more formats.

展现：BIRT可以把数据展现成列表、图表、分组或其他更多形式。

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the articles that follow in this series discuss more advanced uses of rational team concert and birt reports.

该系列随后的文章讨论了关于RationalTeamConcert和BIRT报表的更高级的应用。

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data transformation: birt provides support to sort, filter, group and summarize data before it is presented to the user.

数据转换：BIRT在把数据展现给用户之前，提供了对数据排序、过滤、分组、汇总的支持。

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click install and follow the wizard through accepting the license agreement and installing birt.

点击Install并按照向导接受许可证协议然后安装BIRT。

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the birt project had its first major release in the summer of 2005 and has garnered over a million downloads since its inception.

BIRT项目于2005年夏天发布了第一个主版本并且到目前为止已经拥有了超过100万的下载量。

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you can enable this feature in birt by using a report parameter and the visibility property of the columns.

可以通过使用一个报告参数和列的visibility属性在BIRT中实现该特性。

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if a report has more than one top-level report item, the birt processes the top-level items in order, from left to right and top to bottom.

如果一个报表拥有不止一个顶级层次的报表项目，那么BIRT会按照从左至右，从上到下的顺序处理顶级项目。

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birt also provides a special data set called a joint data set that allows combining existing data sets using inner and outer joins.

BIRT还提供了一个叫做联合数据集（JointDataSet）的特殊数据集以使用内外连接来整合现存的数据集。

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you can use the birt expression editor to write complex expressions with a combination of javascript code and birt code.

您可以使用BIRT表达式编辑器来编写带有JavaScript代码与BIRT代码联合的复杂表达式。

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client-side printing in birt is achieved within the example viewer by converting the report to pdf format when the user selects the icon.

BIRT中的客户端打印是在example查看器中完成的，这是通过用户选择图标将报表转换为PDF格式实现的。

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the tutorial will guide you in using birt, but it will also utilize some of the best practices.

本教程将指导您使用BIRT，还会提供一些最佳实践。

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longer term the team would like to have more contributors to the birt project and expand the project to cover other bi areas.

从长期看，BIRT团队将有更多的贡献者投入到BIRT项目，扩展项目以覆盖其它BI领域。

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birt provides report design features that allow a report developer to create sophisticated reports for users to view in their web browsers.

BIRT提供报告设计特性，使报告制作者可以创建可在Web浏览器中查看的高级报告。

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reporting console: birt reports can be dynamically generated and visualized in a web console.

报表控制台：基于Web的控制台，可以动态生成和展示BIRT报表。

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for each top-level item, the birt processes all the second-level items before proceeding to the next top-level item.

对于每一个顶级层次的项目，BIRT会在处理下一个顶级层次项目之前，处理所有二级层次的项目。

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the birt project strives to bring an eclipse-based reporting system that integrates with your applications to produce compelling reports.

BIRT项目致力于引入集成到应用程序中的基于Eclipse的报表系统以生成引人注目的报表。

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the later parts of this series will progressively explain more details about how you can use birt to make reports for db2 relational data.

本系列的后续部分逐步详细解释如何使用BIRT为DB2关系数据生成报告。

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so far, you've seen that rational team concert presents information to reports in tables, which form the basis of data sets in birt.

到目前为止，您已经看到了表格中报告的RationalTeamConcert信息，它组成了BIRT数据集的基础。

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using an external style sheet allows you to link to a style sheet located in the birt resource folder.

使用一个外部样式表允许你链接到BIRT资源文件夹中的样式表。

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