ST_Materials

语法

material[]  ST_Materials(sfmesh sfmeshObject);

参数

描述

返回sfmesh对象中所有材质的数组。

示例

• 示例一：

  select ST_Materials('{"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);
  
  ------------------------------
   {010102FFDDEEAA}

• 示例二：

  -- Array elements by index
  select (ST_Materials('{"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];
  
  ----------------
   010102FFDDEEAA