This will be clearer if we have another object with different layer in that block. But the geometry inside it will be disappeared. When we freeze Layer 1, the block is actually still showing. 4! This block also disappear because the block itself using Layer 2. What happen? All of the blocks disappear, including block no. Remember, we have moved all of the blocks to that layer. Unfreeze Layer 1, so we can see block no. 4 disappeared, because the object in it was created on it. Only block no.2 using the block properties, because we set it the geometry properties to by block. You can see that the only block using the overridden properties is block no. You can see block 1 and 2 use the properties, but block 3 and 4 still using it’s own properties. Now select all those four, then change their layer to Layer 2. The last one use layer 1, color: ByLayer, line weight: ByLayer.Ĭreate 4 blocks from each of the circle.Third circle use layer 0, color: red, line weight: 0.5 (we set this very bold so can be easier to see).Second circle use layer 0, color: ByBlock, line weight: ByBlock.
First circle use layer 0, color: ByLayer, line weight: ByLayer.Now we will create 4 objects, in this example I use circle. Set different color and lineweight so we can easily distinguish them later. Open your AutoCAD, in a new file create two layers, you can give them any name. Preparing objects with different properties When you create geometries in your AutoCAD block other than ByLayer or ByBlock, then you can’t override them after your block has been placed.Ĭonfused? Let’s create some example to comprehend this better.When you create geometries in your AutoCAD block using ByBlock, then you can override it’s properties after the block has been placed.When you define object properties (color, line weight, etc) to ByLayer, all of it properties will use the same properties as it’s defined in the layers’ properties.Every objects in block that use Layer 0 will use the block layer properties. When you insert AutoCAD blocks, they will use active layer. When you want to create geometry for blocks, this is default layer for it. We will do an exercise to comprehend these later. But do you also know the behavior of ByBlock properties? Most of you might already know what is ByLayer means. Then when you define their properties such as color, line weight, etc, you will see ByLayer and ByBlock property.
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