Sub-surfaces analysis

Sub-surface analysis

Mountains® analyses sub-surfaces (regions of interest) that are extracted from full surfaces. It analyses the sub-surfaces in exactly the same way as full surfaces, even if the sub-surfaces contain missing data points. Applications include the calculation of the flatness or roughness of a sub-surface and the calculation of the coplanarity of multiple isolated contact zones.

Extraction of sub-surfaces from full surfaces

Surfaces under study can be partitioned into sub-surfaces using watershed segmentation and by clicking on detected areas. This method is useful for analyzing mechanical components, MEMS, PCB's, etc.

In other cases, sub-surfaces can be generated by thresholding heights in two parts. Non-rectangular zoom can also be used to extract a sub-surface by clicking around a region of interest on the image.

Binary images can also be used to create masks that will be applied on a surface to isolate regions. It is then possible, for example, to analyze circular bumps but not elliptic bump, by using a sorting operator based on the morphological shape of grains on the binary image.

Partition of the ground sub-surface to study its roughness seperately from the top surface.

Analysis of a circular part extracted from a rectangular measurement.

Flatness analysis of a MOEMS.