// if (properties.getProperty(prefix+"equirectangularSuffixA")!=null) this.equirectangularSuffixA=properties.getProperty(prefix+"equirectangularSuffixA");
// if (properties.getProperty(prefix+"equirectangularSuffixA")!=null) this.equirectangularSuffixA=properties.getProperty(prefix+"equirectangularSuffixA");