I admit much of my difficulty may be stemming from the learning curve of VB.net from VB6. I am developing an application that I want to emulate an O-scope with memory. The goal is to open a reference trace from file (user selectable) and load the chart x-axis from a CSV file. From the CSV data, create a minimum threshold trace and a maximum threshold trace(ie.+/- 10%). So initially a reference trace, a min trace and a max trace will frame a "good" zone for all subsiquent traces which will come from a 1D array.
I did not find any VB.net examples of opening and loading data from a CSV file into a chart (you have two in C# (ChartTab and EditChart) but I don't have that loaded). You do have a good example of updating a chart with "EditChartExample" so I think I can make that work but currently I cannot initialize a chart with a CSV file nor update it with array data. I have a chart created with SimpleDataSet, labels, text, etc. It works by generating an array locally using randomize, I need to put some real data in now. I have tried the code in CH.3 "Chart Datasets" but get exception errors when I run. In VB.net I can load a CSV into an Array without problem, but I can't get that into the chart x-axis. I think an example program would help emmensly. I am sure I am a few lines from sucess.
Thanks
Mark |
CSV and passing array data
Posted - 24 Mar 2004 : 15:41:32
