如何使用QGIS，制作降水分布图呢？
1.获取全球降水分布数据

从GPCC获取全球按月份统计的降水分布数据。
GPCC是全球降水气候学中心（Global Precipitation Climatology Centre）。点击这里，获取更多降水统计数据。
2.调整显示效果

打开QGIS，在菜单依次点击：图层>添加图层>添加栅格图层。选择下载nc格式数据。选择p层载入。
使用”单波段伪色彩“方式载入。我配置的颜色表如下所示，供参考。
最后，导出配色完毕的图层。
# QGIS 生成的彩色地图导出文件
INTERPOLATION:INTERPOLATED
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3.制作汇报成果

我使用九州地理讲义制作软件汇报成果。创建新讲义，选择影像底图，载入刚刚配好色的图层，调整图层顺序和透明度。即可实现开篇效果了。