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hasView

Class: viewSet

Check if view exists

Syntax

tf = hasView(vSet,viewId)

Description

tf = hasView(vSet,viewId) returns 1 if the view specified by viewID exists and 0 if it does not exist.

Input Arguments

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viewSet object.

View ID in the viewSet object, specified as an integer.

Output Arguments

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Validity of view connection, returned as a logical 1 or 0.

Examples

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Create an empty viewSet object.

vSet = viewSet;

Detect interest points in the image.

imageDir = fullfile(toolboxdir('vision'),'visiondata','structureFromMotion');
I = imread(fullfile(imageDir,'image1.jpg'));
points = detectSURFFeatures(rgb2gray(I));

Add a new view.

vSet = addView(vSet, 1,'Points',points);

Confirm that the view with ID 1 exists.

tf = hasView(vSet,1);

Introduced in R2016a