USING THE DATABASE

Once you click on a movie in the database, you are shown its main statistics, statistics for each button (if advanced mode was used), and a graph of shot changes.

Interpreting the graph

If the film has up to 750 shots or more, the graph will be as many pixels wide as the number of shots in the film. If there are less than 500 shots, the graph will be 500 pixels wide by default. If the film is more than 750 shots, the step of the shots (see Adjusting the graph below) will be adjusted automatically to fit the graph into the page. The graph shows shot lengths from the beginning of the recording to the end, left to right, gray on black.

There is a column as high as the particular shot's length going from the top of the picture downwards for each shot. The graph is reversed, to show peaks when the shots are shorter and valleys when they are longer, thus depicting the film dynamics more intuitively. Each pixel in a column's height depicts one tenth of a second by default. The graph is 200 pixels high by default, so it is able to show shots lengths of up to 20 seconds. If a shot is longer than the graph's height, the column will have a red tip, indicating that it goes beyond the image height.

Graph legends
The x-axis (time-code) legend displays a code in minutes and seconds of a shot's beginning time. This code is repeated every few shots, as often as the code length allows. The code corresponds to the shot that a little arrow to the left of it points to. In the following example the shot highlited in green starts at 9 minutes and 39 seconds.

graph sample

The y-axis (shot length) legend is connected to the horizontal gridlines that run under the graph every ten pixels. Depending on the vertical resolution setting (default is 10 pixels per second), it shows the shot length in seconds (up to one tenth of a second precision).

Adjusting the graph
1. The width can be adjusted by changing the Step below the graph. This defines every which shot is depicted on the graph. For example, choosing 1 and clickingRedraw will draw every shot in the film and can produce quite a long graph for most films, while choosing 2 and clicking Redraw will only draw every second shot, thus decreasing the width of that graph by two. This has no effect on the statistics and the trend lines, since they are calculated taking into account all of the shots and will stay statistically unchanged in relation to graph width. For most full length movies, the step is automatically adjusted to fit around 500-750 pixels when the movie page loads. In this case the word 'Step' is colored red and the stepping is displayed in the menu.
2. The number of pixels per second can be adjusted by choosing from the Vertical resolution menu and clicking redraw (default is 10).
3. Image height can be adjusted by choosing an item from the Height menu below the graph and clicking Redraw (default is 200 pixels).

Trendlines
A least-squares polynomial approximation trendline is shown as a red thick line on the graph.


7th degree polynomial trendline of Intolerance

Change the degree of the trendline by choosing a number from 1 to 12 in the Trendline: selection box and clicking Redraw. The default trendline is a linear trendline (order 1). Higher degree trendlines show more detail, but be careful, some trendlines might become quite erratic. It is important to choose a trendline that displays correct movie dynamics.


Likely erratic 12th degree polynomial trendline of Intolerance

Some adjustments may be necessary to the graph size to make the trendline more obvious. For example, increasing the vertical resolution or step will make slopes and curves more pronounced.

Advanced mode statistics
If advanced mode was used to record movie data a table containing statistical data for each shot type will be displayed. It is possible to choose which shot types to display in the graph and which not to by marking checkboxes in the statistics table. Remember to click the Redraw button every time you make changes to the graph's setup. Also it is possible add a color code the graph, by choosing Yes in the graph's setup menu called Color code. This will draw every shot type's bar in a different color.

graph sample

The particular colors are marked in the table above the graph.


The different types of movie statistics will grow as the database matures. We also welcome your suggestions. User comments under the movie's statistics is one place to leave feedback.