In the cross-section method of indirect contouring, the spacing of cross-sections depends upon
i. contour interval
ii. scale of plan
iii. characteristics of ground
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The spacing of cross-sections in the cross-section method of indirect contouring depends on the contour interval, scale of plan, and characteristics of the ground. A smaller contour interval or a larger scale of plan requires closer spacing of cross-sections for accurate representation, while the characteristics of the ground (such as its roughness or slope) also influence the optimal spacing for accurately capturing the terrain's features.

In the Cross-Section Method of Indirect Contouring, the Spacing of Cross-Sections