Quality Control by Electrode

Use the Quality Control > By Electrode menu option to reject rows with a faulty transmitter or receiver electrode. You can invoke this GX from within the 3D viewer to view the updated 3D display of the electrode readings.

This is an interactive tool.

Quality Control by Electrode dialog options

Plan map	Select an existing map of the area of interest on which to display the visual status of Quality Control by Electrode.
Display on map	The above map allows for a visual inspection of the current QC state. To maintain the map uncluttered, you will be displaying at any one time only one and not both sets of: QC Resistivity or QC IP status Show accepted, rejected or both sets of electrodes By default, the locations of the above combination will be dynamically shown on the map: Accepted electrodes in green and Rejected ones in red. Transmitters as circles and Receivers as crosses. However, you can further unclutter the display by opting to show the location of the accepted electrodes only, or rejected electrodes only.
Electrodes to mask
	Add a new QC check.
	Remove a QC check.
Electrode	An electrode can act as a transmitter for some readings and a receiver for others. Identify if the QC you are about to modify, applies to the electrode in its transmitter (Tx) or receiver (Rx) mode.
X & Y	These 2 drop-down lists are populated from the database with the coordinates of the electrodes. The coordinates of each electrode appear only once regardless of how many times it has participated towards readings. Select the X & Y of the intended electrode. If you do not know the exact location of the electrode to QC, use the button.
	You can define the electrode on the above map. Clicking on Locate takes you to the map and allows you to click on the intended electrode. The coordinates of the electrode closest to the clicked point will be found and displayed in the X & Y columns.
QC Resistivity QC IP	Once you have identified the electrode mode (Tx or Rx), you can set its QC Resistivity and QC IP mask status independently.
Apply	Commits the changes to the database without closing the dialog.

Application Notes

It is recommended that the selected map contains a grid covering the area of interest. This grid will act as a backdrop. Make the grid transparent in order to provide better visibility for the dynamic QC status. Prior to running this tool, turn off all groups, such as pre-existing location symbols that may obstruct the visual inspection of the QC in progress.

If you do not have a map, first run IP > Plot > IP Plan Map to generate one.

The display allows for a visual inspection of the current QC state. Due to the multitude of Transmitter & Receiver pairs, and the fact that any given electrode can act as a transmitter for some readings and a receiver for others, it makes for a very crowded map if all the QC flags are plotted at once. In the interest of clarity and since you will be QC’ing one aspect of the data at a time, it is advised to display only the symbols relevant to that aspect.

If licensed for IP, this GX will be available inside the 3D Viewer. If you run it within the 3D viewer upon closing the GX the 3D Array Plot is updated to reflect the latest QC state, and readings that have been turned off will be displayed in Grey.