：ST_Textures

文法

texture[]  ST_Textures(sfmesh sfmeshObject);
texture[]  ST_Textures(material material);

參數

描述

返回sfmesh或material對象中所有紋理的數組。

樣本

• 樣本一：

  select ST_Textures('{"meshgeoms" : ["MESHGEOM(PATCH(TRIANGLESTRIP(0 0,0 10,10 10,10 0)))"],  "materials":[{"type":"db", "attributes": {"schema":"public","table":"t_material","column":"the_material","key":"num=1"}} ], "textures":[{"compressionType" : "None", "format" : "JPEG", "wrap" : "Wrap", "type" : "DB", "depth" : 3, "width" : 256, "height" : 256, "name" : "texture_name3", "size" : 72, "data" : {"schema":"public","table":"test","column":"the_texture","key":"num=1"}} ],"primitives" : [  {"meshgeom": 0, "material" : 0}],  "nodes" : [    {"primitive" : 0} ] }'::sfmesh);
  
  ------------------------------
    {01010001010303000100000001000005000000123456FFFF}

• 樣本二：

  -- Array elements by index
  select (ST_Textures('{"meshgeoms" : ["MESHGEOM(PATCH(TRIANGLESTRIP(0 0,0 10,10 10,10 0)))"],  "materials":[{"type":"db", "attributes": {"schema":"public","table":"t_material","column":"the_material","key":"num=1"}} ], "textures":[{"compressionType" : "None", "format" : "JPEG", "wrap" : "Wrap", "type" : "DB", "depth" : 3, "width" : 256, "height" : 256, "name" : "texture_name3", "size" : 72, "data" : {"schema":"public","table":"test","column":"the_texture","key":"num=1"}} ],"primitives" : [  {"meshgeom": 0, "material" : 0}],  "nodes" : [    {"primitive" : 0} ] }'::sfmesh))[1];
  
  ----------------
   01010001010303000100000001000005000000123456FFFF