A: ioGAS can only display up to 2000 data points per group as specified in the Line Plot tool. If there is a group with greater than this number of data points then the data will not be displayed in the line plot. In older versions than ioGAS 4.4 the limit is 1500.
A: Yes, use the Point Attributing On/Off button on the RHS toolbar.
A: If you are using Drillholes for example to display on your stacked line plots the order in which they appear in the line plot tool is the same order they are appear in the original data file. If you want to change the order then you will need to modify the original data file and re-import it into ioGAS.
Aside from using your drillhole data with any of the standard ioGAS plots and univariate/multivariate analysis tools there are two main tools that are designed specifically to be used with drillhole data. These are the 3D spatial plots and the Line Plot tool. The 3D spatial plot works just like the Attribute Map but for drillhole data which already has XYZ values for each sample interval in the dataset. You can apply colour/shape/size attributes to the downhole sample intervals and even export the attributed data in 3D DXF format to use in other mining programs.
The other tool which you may find useful for working with drillhole data as well is the Line Plot tool. This enables you to display each of your drillholes in a continuous line plot which can be stacked for easy comparison between holes. It is possible to attribute the line plot data points with other variables as well.
A. Click on the Line Plot icon on the main toolbar. Select the Hole_ID column in your dataset as the grouping column and a depth or Z coordinate column as the continuous variable. Leave the variable format as numeric.
In the next dialog select the drillholes you would like to display and how you would like to display them, eg. stacked on top of each other, tiled, etc.
For a full description of how to use the Line Plot tool and a list of the various Line Plot options click here.