亮点透视法-ppt课件.ppt

1、1Two-Point Perspective Two-Point Perspective DrawingDrawingS. Baur for AE 2031ppt课件What is two-point What is two-point perspective drawing?perspective drawing?A two-point perspective rendering defines all objects within the drawing to one of two vanishing points.2ppt课件Two-point perspective Two-point

2、 perspective drawingdrawingTo start the rendering, begin by orienting your floor plan to a 30-60 degree angle 3ppt课件Two-point perspective drawingTwo-point perspective drawingFrom a corner of the building in plan draw a horizontal line indicating your perspective plane.P.P.4ppt课件Two-point perspective

3、 drawingTwo-point perspective drawingFrom the corner of the intersecting corner and perspective plane draw a vertical line down indicating your true height line.P.P.T.H.L.5ppt课件Two-point perspective drawingTwo-point perspective drawingLocate a stationary point along the true height line by taking a

4、30 60 degree triangle as shown.S.P.P.P.306ppt课件Two-point perspective drawingTwo-point perspective drawingDraw a horizontal ground line a convenient distance from the perspective plane to allow sufficient space for the perspective layout.S.P.P.P.G.L.7ppt课件Two-point perspective drawingTwo-point perspe

5、ctive drawingLocate the horizon plane at approx. eye level to your height (to scale of drawing):S.P.P.P.G.L.H.P.8ppt课件Two-point perspective drawingTwo-point perspective drawingLocate your vanishing points by projecting lines parallel to the plan from the stationary point to the perspective plane. Dr

6、aw vertical lines from the point where the lines intersect to the horizon plane indicating the location of your vanishing points. S.P.P.P.G.L.H.P.V.P.L.V.P.R.9ppt课件Two-point perspective drawingTwo-point perspective drawingLets begin by drawing the first volume; start by drawing the height of the lar

7、gest volume starting with what we know as our true height line S.P.P.P.G.L.H.P.V.P.L.V.P.R.10ppt课件Two-point perspective drawingTwo-point perspective drawingFrom the stationary point project the 3 corners of the volume to the perspective plane S.P.P.P.G.L.H.P.V.P.L.V.P.R.11ppt课件Two-point perspective

8、drawingTwo-point perspective drawingFrom where the intersect the perspective plane draw light vertical line. S.P.P.P.G.L.H.P.V.P.L.V.P.R.12ppt课件Two-point perspective drawingTwo-point perspective drawingFrom the lower and upper corner to the vanishing point draw and define the lower and upper edge of

9、 your plane. S.P.P.P.G.L.H.P.V.P.L.V.P.R.13ppt课件Two-point perspective drawingTwo-point perspective drawingDefine the volume by removing any unnecessary lines and darkening the rest. For the sides of the volume that are not visible to the foreground use hidden (dashed) lines to indicate the 3-dimesio

10、nal volume of the space inside.S.P.P.P.G.L.H.P.V.P.L.V.P.R.14ppt课件Two-point perspective drawingTwo-point perspective drawingShade and ShadowAssumption: Sun is at a 45-degree angle to the profile of the volume15ppt课件Two-point perspective drawingTwo-point perspective drawingDraw horizontal lines at th

11、e corners of the ground plan of the volume 16ppt课件Two-point perspective drawingTwo-point perspective drawingDraw lines from the intersect point of the projected lines to define the profile of the volume.17ppt课件Two-point perspective drawingTwo-point perspective drawingRemove unnecessary lines and define the profile of the volume.18ppt课件Two-point perspective drawingTwo-point perspective drawingFill-in the shadow profile and indicate which side of the volume is shaded.19ppt课件