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The image on the right shows a hotel located beside the river Shannon in Limerick - Leaving Cert DCG - Question B-2 - 2016
Question B-2
The image on the right shows a hotel located beside the river Shannon in Limerick. Two views of an architectural model of a similar structure are shown in the 3D gra... show full transcript
Worked Solution & Example Answer:The image on the right shows a hotel located beside the river Shannon in Limerick - Leaving Cert DCG - Question B-2 - 2016
Step 1
Draw the given plan and elevation of the structure.
Answer
- Begin by sketching the ellipse for the plan view. Ensure that the major and minor axes are properly aligned as per the measurements given in the figure.
- Next, draw the vertical surface on the required side, reflecting the flat vertical projection as indicated in the figure.
- For the elevation, start with point B (the vertex of the parabolic section) and establish the height and width to reflect the elliptical form accurately.
- Create the parabolic curve by using accurate points to construct the curve ABC, ensuring that the shape matches the intended design.
Step 2
Project an end view in the direction of arrow E.
Answer
- To project the end view, begin with points A, B, and C from the elevation.
- Transfer the heights from the elevation to the end view accurately, marking points accordingly.
- Draw a clear outline that represents the structure when viewed from the direction of arrow E. Include any hidden details shown in the 3D perspective, maintaining proportion.
Step 3
Determine the true shape of the intersection between the structure and this inclined cutting plane.
Answer
- Identify the positions of points HT and VT in both the plan and elevation.
- Establish the edge line of the inclined plane extending through both views.
- Mark the points where the inclined plane intersects the structure, noting the dimensions carefully.
- To find the true shape of the circular portion of the required intersection, draw the intersection outlines based on the established points.
- Finally, draw a straight line along the true shape of the required intersection detailing both the horizontal and vertical cuts made by the inclined plane.