int BaseFilter::hasSelectedRGB()
{
if (isFirstSelectedCcPointCloud() != 1)
return -1;
//get the cloud
ccPointCloud * cloud;
cloud = getSelectedEntityAsCCPointCloud();
return cloud->hasColors();
}
int BaseFilter::hasSelectedScalarField()
{
if (isFirstSelectedCcPointCloud() != 1)
return -1;
ccPointCloud* cloud = getSelectedEntityAsCCPointCloud();
if (!cloud)
return -1;
return (cloud->hasScalarFields() ? 1 : 0);
}
int ExtractSIFT::checkSelected()
{
//do we have a selected cloud?
int have_cloud = isFirstSelectedCcPointCloud();
if (have_cloud != 1)
return -11;
//do we have at least a scalar field?
int have_sf = hasSelectedScalarField();
if (have_sf == 1)
return 1;
//also having rgb data will be enough
if (hasSelectedRGB() != 0)
return 1;
return -51;
}
