Saturday, August 28, 2010

LAYERS - II


Okay, now you have Assignment3.dwg with units, limits set and 7 no. of layers. You might have named them 1, 2, 3 or A, B, C. Today we will make those layers more appropriate, descriptive and in line with our assignment.


Till this point you must have figured out that we are dealing with an Architectural drawing and if you have well read the CAD standards in the opening chapters you might remember the conventions we discussed for naming the layers. It is imperative that we name the layers by sticking to the Standards. To achieve this we will modify our layers in terms of names, colors, etc to suit our exercise.

We will use an 'A' prefix to all our layers to indicate the Architectural discipline. Secondly we will use the names that would make sense with the objects lying on that layer.
So our list of layers would look like -
1. A-Line-Sec – All section lines in the drawing will be drawn on this layer.
2. A-Line-Elv – All elevation lines in the drawing should be drawn on this layer.
3. A-Open-Sec – All openings including Doors and Windows should be drawn on this layer.
4. A-Text-Ann – All the Text and Annotation except dimensions should be drawn here.
5. A-Dim-Arc – All the dimensions in Architectural Units should be put on this layer.
6. A-Plan-Cen – All the Centerlines should be drawn on this layer.
7. A-Fur-Fix – All the Furniture, Fixings and Appliances should be inserted on this layer.
8. A-Stair – All the details in respect of the Staircase should be drawn on this layer.
9. A-Plan-Dtl – Layer for any other details in Plan other than above like symbols, blocks, etc.
10. A-Elev-Dtl – Layer for any other details in Elevation other than above like blocks etc.

Use of Layer 0 (Default Layer of AutoCAD) is not recommended unless for some universal and symbolic elements like, boundary or guidelines.

Once you have entered the names of these 10 Layers make sure that all of them are turned ON, Thawed, Unlocked and have the Plot option available. Let the Layer 0 be current as we will start with Plot boundary which could reside on Layer 0.

We are going to use various Color, Linetype and Lineweight options for our layers to make our Assignment self-explanatory and presentable in view of submission as well as working drawing. Besides it will help us while plotting our drawing, we will find out how. For these settings refer to the picture above. Click on the picture to enlarge it.

Tomorrow we will take a look at the remaining properties of this category of Format like – Color, Linetype, etc. But, for one more time, I would like to underline that if you focus on Layers and understand it properly, you will never have to use these remaining properties individually and I will never recommend their independent use either. You will find out the reason why I am saying this as we progress.

Stay tuned…!

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