ESurvey Lisps - Version 2.30 150+ Lisps categorized neatly under 18 Heads for Quickly Producing Presentable Survey Drawings.Text: Rotate, change angle or align texts with respect to selected text or parallel to line. and change case and justification.Text Value Modification: Interchange text; create new text and copy reference text to all other selected text. Insert the sequential numbers to text.Lines: Join points or blocks and find overlapping lines. Also, mark intersecting lines of different layers.Polylines: Convert connected lines to Polyline, reverse and measure each segment and cumulative distance of polyline, mark chainages and each node and measure clockwise / anticlockwise bearing.3D Polyline: Create 3D line by selecting elevation texts in different combination. Also, n remove z value of all the vertex of a polyline. Layer: Pick the text for layer name; and use layer manager to accomplish other tasks.Blocks: Insert block at the end point or at