Now I only have one question left regarding this matter.
The dimensions of the texture in the Internal engine ( Attachment), how do I set it in the master_GDL_mymaterials.gdl file?
Extract from master_GDL_mymaterials.gdl:
DIM tmp_LWA_COGSMASKEDIMAGE_BASECOLOR[3]
tmp_LWA_COGSMASKEDIMAGE_BASECOLOR[1] = 0
tmp_LWA_COGSMASKEDIMAGE_BASECOLOR[2] = 0
tmp_LWA_COGSMASKEDIMAGE_BASECOLOR[3] = 0
DIM tmp_LWA_RFPLASTIC_SPECULARCOLOR[3]
tmp_LWA_RFPLASTIC_SPECULARCOLOR[1] = 0.6980392336845
tmp_LWA_RFPLASTIC_SPECULARCOLOR[2] = 0.6980392336845
tmp_LWA_RFPLASTIC_SPECULARCOLOR[3] = 0.6980392336845
define texture "Texture142" "Ikarus01", 1, 1, 512, 0
define material "PKSIkarus01" 20,
0, 0, 0,
0.73, 0.8, 0.06, 0, 0.64, 0,
0.921569, 0.827451, 0.972549,
0, 0, 0,
0, ind(fill, "Background"), -1,
ind(texture, "Texture142") ADDITIONAL_DATA LWA_COLOR = "LWA_COGSMASKEDIMAGE",
LWA_COGSMASKEDIMAGE_BASECOLOR = tmp_LWA_COGSMASKEDIMAGE_BASECOLOR,
LWA_COGSMASKEDIMAGE_FILE = "Ikarus01", LWA_COGSMASKEDIMAGE_SCALE = 0.3000000119209,
LWA_COGSMASKEDIMAGE_ASPRATIO = 1, LWA_REFLECTANCE = "LWA_RFMATTE",
LWA_RFMATTE_AMBIENT = 0.7300000190735, LWA_RFMATTE_DIFFUSE = 0.8000000119209,
LWA_TRANSPARENCY = "LWA_TRNONE", LWA_TEXTURESPACE = "LWA_TSGSREPLICATE",
LWA_TSGSREPLICATE_SREFLECT = 0, LWA_TSGSREPLICATE_TREFLECT = 0,
LWA_TSGSREPLICATE_SSIZE = 0.03500000014901, LWA_TSGSREPLICATE_TSIZE = 0.03500000014901,
LWA_TSGSREPLICATE_ANGLE = 0, LWA_PIPELINE = "LWA_PLNONE",
LWA_DISPLACEMENT = "LWA_DPWBUMPMAP", LWA_DPWBUMPMAP_FILE = "Ikarus801",
LWA_DPWBUMPMAP_WIDTH = 0.03500000014901, LWA_DPWBUMPMAP_HEIGHT = 0.03500000014901,
LWA_DPWBUMPMAP_AMPLITUDE = 0.1000000014901, LWA_DPWBUMPMAP_SOFTNESS = 1,
LWA_DPWBUMPMAP_SCALE = 1, LWA_DPWBUMPMAP_ASPRATIO = 1