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Ramp Parapet with Morph Tool

Vimal Kumar
Graphisoft
Graphisoft

Place a Ramp Object

I felt it is good to share some software specific tips and tricks in between my posts focusing on interoperability. In this post I am sharing a tip on how to create guard walls (parapets) along the edge of a curved ramp using Morph Tool and Solid Element Operation.

Place a ramp object with the settings as shown in the below image and switch to 3D window (press F5).

ramp01.png

 

 

Make a copy of Ramp

  1. Select the ramp,
  2. Click and hold on one of the node,
  3. Choose Move command from the Pet Palette,
  4. Press Ctrl/Cmd key, click on the same node to make a duplicate ramp.

ramp02.png

 

 

Model a Slab to Cut

Switch back to floor plan (press F2), model a slab that can be used later to cut the ramp we copied in the previous step.

ramp03.png

 

Switch back to 3D, select the ramp and slab. Press F5 to isolate them.

ramp04.png

 

 

Solid Element Operations…

Select the slab, right click, and choose Connect > Solid Element Operations…

ramp05.png

 

Select the slab and choose Get Operator Elements

ramp05.png

 

Select the ramp and choose Get Target Elements

ramp07.png

 

  1. Choose Subtraction with upward extrusion and
  2. Click Execute. Result is shown below. Select the ramp and press F5 to isolate it.

ramp08.png

 

 

Convert Ramp to Morph

Select the ramp, right click and choose Convert Selection to Morph(s). Click OK on the popup dialog to confirm the conversion.

ramp09.png

 

 

Modification of Morph

Change the selection type to sub-element.

ramp10.png

 

Pick the top surface of the morph.

ramp11.png

 

  1. Click and hold on the top surface,
  2. Choose move tool and move along Z axis and
  3. Key in the parapet height (1000) while keeping the mouse align to Z axis

Repeat the steps for the bottom surface as well. This is to make sure the parapet is on top of the ramp.

ramp12.png

 

Our parapet is completed, if required you can repeat the same for the inner side of the ramp as well.

ramp13.png

 

See you with another blog post soon.

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