// geotexture
      _ProcTexCurves("ProcTextureCurves", 2D) = "black" {}
      _ProcTexParams("ProcTextureParams", 2D) = "black" {}
      _ProcTexNoise("Noise Texture", 2D) = "white" {}
      _PCLayerCount("Layer Count", Int) = 0
      _ProcBiomeCurveWeight("Curve Weight for Biome mask", Range(0.01,0.5)) = 0.5