Inserting a
Photometric Grid Inserting a
Photometric Grid The Photometric Grid is a is a three-click rectangular object, and can be inserted in Center-line Placement mode or Edge Placement mode.
Placement Mode |
Description |
Center-line |
Click once, and then again, to define the width through the center of the grid. Click again to specify the width of half the grid. |
Edge |
Click once, and then again, to define the length along the edge of the grid. Click again to specify the grid width. |
To insert a photometric grid:
1. Ensure that each lighting instrument contributing to the illumination is focused.
The light beams do not have to be drawn for calculations to be made.
2. Click the PhotoGrid tool from the Spotlight tool set and click the desired placement mode from the Tool bar.
3. Click in the drawing area to insert the photometric grid.
If this is the first time a photometric grid has been placed on the drawing, the object properties dialog box opens. Specify the preferences to use for this tool during this session, and then click OK.
The photometric grid properties can be changed in the Object Info palette.
Click to show/hide the parameters.
After placing the photometric grid, set the grid’s Z value on the Object Info palette; illumination values vary depending on the grid’s elevation.
~~~~~~~~~~~~~~~~~~~~~~~~~
