L.3.4.7 Build Animations
Another important aspect of animations is how they are built. This refers to how the different sub- shapes or sub-components of an object are displayed. The different objects that can have build properties are text, diagrams, and charts.
This is specified in the bldLst element.
For example, suppose we want to animate a pie chart, but based on category as shown below:
The representation of this in the slide XML looks like:
<p:bldLst>
<p:bldGraphic spid="4" grpId="0">
<p:bldSub>
<a:bldChart bld="category"/>
</p:bldSub>
</p:bldGraphic>
</p:bldLst>
The bldLst element contains children elements that describe how the different objects should be built. In this case, there is only one graphic to be build, that with id 4. The bldGraphic element contains the bldSub element, which describes how the object should be built. This element then contains the bldChart element with the attribute bld set to category.