Coordinate Filter: It is a position filter belonging to drilling/lithology/seam level (top, middle, bottom, lowermost) upon which the surface shall be created. In order for seam levels to be observable on filter, seam descriptions must be made on drills with Specify Vein Points operation. 

Lithology/Vein Filter: It is the filter on which the determination of which lithology or seam unit, upon which the intended surface shall be created, is made.

2D Grid

Use The Box Enclosing as Border:It is selected in order to determine the outer border of the surface to be created as a box according to the outermost drill/lithology/seam. 

X Range: Sampling range on X direction. 

Y Range:Sampling range on Y direction.

Within Border:  It is used to create the part inside or outside the selected border of the surface to be created chosen from graphic interface. 

If border selection is carried out while the option is active; surface shall be created inside the border. 

If border selection is carried out while the option is not active; surface shall be created outside the border.

Open Filter Window: It is used in creating a surface by applying drilling filter. 

Group Filter: It is used in creating a surface according to specified drilling groups.