Basics of Computer Graphics

Q1.The solid line is formed with

Round caps

Projecting square caps

Butt caps

All of the mentioned

Q2.To set the line-width attribute the consequent control is applied

Setlinewidth()

SETLINEWIDTHSCALEFACTOR (lw)

Setlinewidthscalefacto (lw)

setLineWidthScaleFactor (lw)

Q3.We interpolated the line-color value in PHIGS with the function

SETPOLYLINECOLORINDEX (lc)

setPolylineColorIndex (lc)

setline Color()

Q4.The fundamental parameter to bent traits are

Type

All of the mentioned

Color

Width

Q5.A line formed in the background color is

Visible

Visible or Invisible

Invisible

Q6.Raster curves of distinctive girths can be expressed using

Horizontal or vertical spans

Horizontal spans

Vertical spans

Horizontal and vertical spans

Q7. What if the slope size is 1, then circles, ellipse, and diverse curves will resemble

Rough

Thinnest

Big

Thick

Q8.If the angle between 2 connected line sections is tiny then ________ can formulate a long spike that deteriorates the surface of the polyline

Bevel join

Round join

Miter join

None of the mentioned

Q9.Which of the succeeding is not a line-class?

Dotted line

Dashed line

Dark line

Q10.A dashed line could be demonstrated by building_________

Inter dash spacing

Very short dashes

Q11.We can customize the frame of the line finishes to deliver them a more satisfying performance by practicing

Line caps

More dots

Line spacing

Round cap

Q12.One of the ways for embellishing thick curves is

Curve cap

Curve width

Curve slope

Q13.In an application program, to set line-type traits the next inspection is applied

SetLinetype(lt)

SETLINE()

setLinetype(lt)

SETLINETYPE(lt)

Q14.If the extent of the curve inclination is lesser than 1, then

We can plot horizontal spans

We can plot vertical spans

Q15.The primary attributes of a straight line division are

Color

All of these

Width

Type

Q16.A dotted line can be interpreted by making

Very short dashes with spacing equal to and greater than dash size

Very long dashes with spacing equal to or greater than dash size

Dots

Very short dashes with spacing equal to and greater than dash size

Q17.The algorithm which draws line-type properties by constructing pixel extents is

Raster scan algorithm

Random line algorithm

Random scan algorithm

Raster line algorithm

Q18.A huge line on a video monitor could be impersonated as

Adjacent perpendicular lines

Adjacent parallel lines

Q19.Tell The parameter to “setLineGirthRangeFactor (lw) “function specifies?

Standard width

All of the mentioned

Thickness of the line

Relative width of the line

Q20.Which of the succeeding is connected to Pixel mask

A string containing only 1;s

A string containing only 0’s

A string containing 0 and 0

A string containing 1 and 0

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