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 Rectilinear floorplan 

Last post Tue, Nov 27 2007 3:37 AM by archive. 3 replies.
Started by archive 27 Nov 2007 03:37 AM. Topic has 3 replies and 1744 views
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  • Tue, Nov 27 2007 3:37 AM

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    Rectilinear floorplan Reply

    All -

    How do you specify/create a rectilinear floorplan? I am trying to create a hard macro for a lower level block and it is rectilinear.

    Thanks,



    Originally posted in cdnusers.org by ssunder@sioptical.com
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  • Tue, Nov 27 2007 5:57 AM

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    RE: Rectilinear floorplan Reply

    The same mechanisms used to create rectilinear partitions and fences can be used to operate on the boundary of a block-level design.

    Using the GUI, switch to the "Floorplan view" and then use the "Cut Rectilinear" widget to create a rectilinear boundary. When you have the "Cut Rectilinear" widget active, your mouse pointer will become a different shape when you hover near the perimeter of the block- click once to start the cut and again to complete the cut.

    This resolves to the text command "setObjFPlanBoxList":
    setObjFPlanBoxList Cell {results_conv} 0.0000 182.2250 146.3400 231.8400 0.0000 0.0000 227.7000 182.2250

    The coord list setObjFPlanBoxList expects is a series of "llx lly urx ury" boxes that define the rectilinear shape. In the example above, the coord list corresponds to an L-shaped rectilinear.


    Originally posted in cdnusers.org by BobD
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  • Tue, Nov 27 2007 6:38 AM

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    RE: Rectilinear floorplan Reply

    Bob -

    Thanks, I did find the cut Rectilinear in the tool menu yesterday but somehow could not get it to work. I will probably try the command directly.

    Thanks,


    Originally posted in cdnusers.org by ssunder@sioptical.com
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  • Wed, Nov 28 2007 7:52 AM

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    RE: Rectilinear floorplan Reply

    The command didnt work either at the block level. Found out that the command doesnt work if there are hard macros defined as type pad. Modified the LEFs to make them type blocks and the command works ... in case someone else runs into this.

    Sanjay


    Originally posted in cdnusers.org by ssunder@sioptical.com
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Started by archive at 27 Nov 2007 03:37 AM. Topic has 3 replies.