// ------------------------------------------------------------------------
vtkImageData * creaImageIOUnMosaicVtkImageData::unMosaic(vtkImageData *imageIn, int numberOfImagesInMosaic)
{
- int nbImagesPerRow = ceil( sqrt(numberOfImagesInMosaic) );
+ int nbImagesPerRow = ceil( sqrt( (double)numberOfImagesInMosaic) );
int inputdims[3];
int outputdims[3];
imageIn->GetDimensions (inputdims);