Geosoft GXNet API Reference
Geosoft.Desktop.GXNetX
CVVU Class
CVVU Methods
AverageRepeat Method
AverageRepeat2 Method
AverageRepeat2Ex Method
AverageRepeatEx Method
BinarySearch Method
BoxCox Method
BPFilt Method
Clip Method
ClipToDetectLimit Method
CondDepthTEM Method
Decimate Method
Deviation Method
Distance Method
Distance3D Method
DistanceLinkNonDummies Method
DistanceNonCumulative Method
DummyRange Method
DummyRangeEx Method
DummyRepeat Method
DupStats Method
ExpDist Method
Filter Method
FindGaps3D Method
FindStringItems Method
FractalFilter Method
iCloseXY Method
iCloseXYM Method
iCloseXYZ Method
iCloseXYZM Method
iDummyBackTracks Method
iFindDummy Method
Interp Method
iQCFillGaps Method
iSearchText Method
iTokenizeToValues Method
Mask Method
MaskAND Method
MaskOR Method
NLFilt Method
NoiseCheck Method
NoiseCheck2 Method
NormalDist Method
OffsetCircles Method
OffsetCorrect Method
OffsetCorrect2 Method
OffsetCorrect3 Method
OffsetCorrect4 Method
OffsetCorrectXYZ Method
OffsetRectangles Method
PickPeak Method
PickPeak2 Method
PickPeak3 Method
PolyFill Method
PolyFill2 Method
PolygonMask Method
Prune Method
QC Method
QC2 Method
RangeVectorMag Method
Regress Method
RelVarDup Method
RemoveDummy Method
RemoveDummy2 Method
RemoveDummy3 Method
RemoveDummy4 Method
RemoveDup Method
RemoveXYDup Method
RemoveXYDupIndex Method
RollingStats Method
SearchReplace Method
SearchReplaceText Method
SearchReplaceTextEx Method
Spline Method
Spline2 Method
Translate Method
Trend Method
Trend2 Method
UniformDist Method
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CVVUPickPeak3 Method

Find peaks in a VV - method two, returning width and half-amplitude widths.

Namespace:  Geosoft.Desktop.GXNetX
Assembly:  geosoft.desktop.gxnetx (in geosoft.desktop.gxnetx.dll) Version: 2025.1.0.25
Syntax
Copy
public static void PickPeak3(
	CGXNETCore gxNetShared,
	CVV vv_i,
	CVV vv_x,
	CVV vv_y,
	double pr_base_lvl,
	double pr_ampl,
	CVV v_vind,
	CVV v_vamp,
	CVV v_vwid,
	CVV v_vhawid
)

public static void PickPeak3(
	CGXNETCore gxNetShared,
	CVV vv_i,
	CVV vv_x,
	CVV vv_y,
	double pr_base_lvl,
	double pr_ampl,
	CVV v_vind,
	CVV v_vamp,
	CVV v_vwid,
	CVV v_vhawid
)

Parameters

gxNetShared
Type: GeoEngine.Core.GXNetXCGXNETCore
A shared CGXNETCore
vv_i
Type: GeoEngine.Core.GXNetXCVV
[i] data VV
vv_x
Type: GeoEngine.Core.GXNetXCVV
[i] X VV used to calculate distance
vv_y
Type: GeoEngine.Core.GXNetXCVV
[i] Y VV used to calculate distance
pr_base_lvl
Type: SystemDouble
[i] minimum value to accept (0.0 to find all)
pr_ampl
Type: SystemDouble
[i] amplitude
v_vind
Type: GeoEngine.Core.GXNetXCVV
[o] Indices with peak locations
v_vamp
Type: GeoEngine.Core.GXNetXCVV
[o] Amplitudes at the peaks
v_vwid
Type: GeoEngine.Core.GXNetXCVV
[o] Anomaly widths
v_vhawid
Type: GeoEngine.Core.GXNetXCVV
[o] Anomaly half-amplitude widths
Remarks
Uses Method 2 above, but also returns the anomaly width (defined as the distance between the surrounding troughs), and the width at the half-amplitude. The half-amplitude width is calculated in two parts, individually for each side based on the distance from the maximum to the location where the amplitude is mid-way between the maximum and trough. The returned VVs are packed; no dummies. Instead the indicies of the peak locations are returned.
See Also