Light intensity is an important factor but finding the best setting will require experimentation for each 3D model that you Render. change the Falloff angle (dimly lit secondary cone of light) using the slider or by typing an angle in the edit box.change the Hot Spot angle (brightly lit cone) using the slider or by typing an angle in the edit box.pick Modify to specify a target point (center for the cones of light) and a light location point (apex for the cones of light).Spot lights have a primary brightly lit cone of light with a secondary dimly lit cone up to a fall-off point where there is little or no light. pick the Modify button to specify a location on-screen for new or existing point lights.Use point lights to simulate light bulbs (& similar lights) for which the key parameter is the light location. you can have more than one distant light in the same drawing.or manually set the Azimuth & Altitude angles yourself.use the Sun Angle Calculator to automatically set a direction for a given time, date & geographic location anywhere on earth.in the Light dialogue box).Ī distant light has parallel rays so this is a good light type to simulate natural sunlight. pick Select to select a light block in the drawing (instead of selecting a light name in the list).Ī light will NOT cast a shadow unless Shadows On is checked for that specific light (i.e.select the desired light to delete then pick Delete.location or intensity) of the selected light. select the desired light in the list and pick Modify to change parameters (e.g.Lights defined in the current drawing are listed in the Lights list when you invoke the Light command. use the Light command to modify existing lights (you should not use other AutoCAD commands directly on these blocks).you should make ASHADE the current layer before you create new lights so these blocks are inserted on a locked layer.The ASHADE layer is locked by default to help prevent accidental changes to these objects when you edit your model. there is no block required for ambient lighting as there is only one ambient light source.the block is inserted on the current layer & attributes are on the ASHADE layer (which is automatically generated if required).Use the Light command to create & edit the 4 light source types that include point, spot, distant & ambient lights.ĪutoCAD inserts a block at light locations to store lighting parameters as block attributes when you create new lights.