The main window of the Material Explorer upper Scene panel can contain several columns with information about materials in the scene. Some kinds of columns contain editable cells.
When you right-click the label of a column in the Material Explorer Scene panel, 3ds Max opens a menu that has several options to control column display:
Also, you can cycle through these options by clicking the column label.
Default column layout
Column layout after right-clicking a column label and choosing Best Fit (All Columns)
Shows the names of materials, objects, maps, and sub-materials. You can edit cells in this column: click a cell, then click or drag on it again to highlight text, and type a new name for the material, object, or map.
Default column.
Shows the type of material, map, or submaterial.
For objects, cells in this column are blank.
Default column.
For materials and maps, shows whether Viewport Display Of Materials is active. If you are using standard (software) display and Show Map In Viewport is on, the cell says “Standard : Maps”; if Show Map In Viewport is off, the cell says “Standard : No Maps.” If you are using hardware shading (hardware display) and Show Map In Viewport is on, the cell says “Hardware : Maps”; if Show Map In Viewport is off, the cell says “Hardware : No Maps.”
For objects, this cell says “None.”
You can edit cells in this column: click the cell to display a drop-down list that lets you toggle the Show Map In Viewport state.
Default column.
For materials, shows the Material ID. You can edit cells in this column: click a cell, then drag across the value. While the value is highlighted, you can type a new Material ID value, or you can click the spinner arrows that appear in the cell to change the Material ID. (You can also drag on the spinner’s up-arrow or down-arrow button to change the value more rapidly.)
For objects and maps, the cells in this column are blank.
Default column.
For bitmaps, shows the dimensions of the map; for example, “512*512”.
For materials, objects, and procedural maps (whether 2D or 3D), the cells in this column are blank.