As a user wants to narrow down the time range that they have interest in I want to take the existing data points that are already in an array and grab the range the user is interested in and then do a re-plot. The idea is show the big picture and then you can "zoom in" to what interests you in the graph.
Speed is important because the application is to be as "real time" as possible since the data has already been parsed and put in memory the user experience in moving from graph view to graph view needs to be smooth. (I'm competing against an existing java application).
On Wednesday, April 7, 2004, at 07:04 PM, Brian Yennie wrote:
This doesn't seem efficient. If I already have a large array (in my case 1000000 rows and only 1 column) then if I want [50000,1] to [134000,1] into a new array looping seems like I'm not really taking advantage of what already exists in memory (in my case).
...
I am stuck with arrays but I really would like to have a faster solution... unless there is something that I'm missing??
What exactly are you trying to do with a million rows in an array? It may be that this is a weakness of Rev's array being associative: they are not stored in numeric order under the hood, so it's not trivial to pull out a range...
- Brian
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