Contour dimensioning is a method of dimensioning a part by specifying the lengths of its contours or outlines. It provides an overall description of the part's shape and size without specifying the individual dimensions of every feature. This method is often used for parts with complex shapes where detailing every dimension would be impractical.
An Index Contour
The name for the elevation between two adjacent contour lines is known as the contour interval. It represents the difference in elevation between each contour line on a topographic map.
The size in the change of elevation from one contour line to another is called the contour interval. It represents the vertical distance between each contour line on a topographic map. The contour interval helps in understanding the slope and elevation changes of the terrain being represented.
The elevation difference between two side-by-side contour lines is known as the contour interval. It represents the vertical distance in elevation between each contour line on a topographic map.
The first contour line was created by Charles Hutton in 1771. He used contour lines to map a coal mine.
boring
Things like General Dimensioning and Auto Dimensioning
Dimensioning standards are standards on how to dimension a working drawing.
Tabular dimensioning
It show dimension of given dig. Ex. length meter etc. > chain dimensioning as opposed to datum dimensioning. chain dimensioning: 4 holes in line on a drawing, first hole position dimensioned from the edge, remainder dimensioned from the centre of the previous hole. datum dimensioning: all holes dimensioned from the edge. the cumulative tolerance build up on the chain dimensioning allows for greater overall tolerance build up.
Things like General Dimensioning and Auto Dimensioning
Baseline dimensioning is a method of dimensioning in technical drawings where all dimensions are referenced from a single baseline, reducing the chance of errors due to accumulation of tolerances. It helps to maintain clarity and consistency in the layout of dimensions on a drawing.
they are used by showing where it is
18" o.a.
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it is a contour line of elevation Control index contour, or just index contour
For putting to many dimension on top of the dimension!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!