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At line 71 changed one line
A study is essentially a package, a programme that contains a pre-defined order of executable rasters. {{{eis_xstudy}}} allows you to look at the rasters that a study contains, as well as their details. You'll see that Study #268 {{{PRY_CH_density}}} contains raster ID #257 {{{CH_density}}}. In most practical cases, studies contain only one raster. But the study is what is actually makes it onto the ''timeline'' (schedule) for EIS.
A study is essentially a package: it's an observing programme that contains a pre-defined order of executable rasters. {{{eis_xstudy}}} allows you to look inside this package, at the rasters that a study contains, as well as the details of those rasters. You'll see that Study #268 {{{PRY_CH_density}}} contains raster ID #257 {{{CH_density}}}. In most practical cases, studies contain only one raster. But the study is what is actually makes it onto the ''timeline'' (schedule) for EIS.
At line 75 added 7 lines
If we want to see what happens when {{{PRY_CH_density}}} runs, the best thing to do from here is to click on each raster in the raster panel (in this case, there's only one), and then click the ''View Selected Raster Details...'' button just above.
This opens up a separate window which details how the raster will execute on-board the space-craft (only omitting pointing details, which are flexible). The window should look something like this:
[{Image src='Raster_details_CH_density2.png'}]
We can also get a quick idea of most of the characteristics of a raster from the single-string raster ''Title'' field in {{{eis_xstudy}}}.