"ESurvey Lisps" is the most powerful and feature rich lisp collection. CAD (AutoCAD / BricsCAD / GStarCAD/ ZwCAD) users have their own set of lisps for automation, which save a lot of time. But searching for a suitable lisp from this set of lisps is difficult. Also, most of these lisps are freely available on the Internet or custom made and hence are not properly documented. To address these issues, 'ESurvey Lisps' has been developed. 'ESurvey Lisps' is a collection of tailor-made lisp routines developed exclusively for AutoCAD users working on survey drawing. Hence, it is rightly called Energizing Survey Drawings.
ESurvey Lisps has more than 150 lisp commands, for ease of use and simplicity; lisps have been categorized under following heads:
Sl. No. | Topic | Description |
| 1 | Text | Under Text categories, you can rotate, change angle or align texts with respect to selected text or parallel to line. Also, you can change case and justification of text. |
| 2 | Text Value Modification | Under Text Value Modification, you can interchange text; create new text and copy reference text to all other selected text. Also, you can divide, increment, add special value, concatenate and finally insert the sequential numbers to text. |
| 3 | Lines | Under Lines, you can join points or blocks and find overlapping lines. Also, mark intersecting lines of different layers. |
| 4 | Polylines | Under Polylines, you can 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. Also, find total length of selected line and put the gradient. |
| 5 | 3D Polylines | Under 3D Polyline, you can create 3D line by selecting elevation texts in different combination. Also, you can remove z value of all the vertex of a polyline (Convert 3d polyline into 2D polyline). |
| 6 | Layer | Under Layer, you can pick the text for layer name; move each text of specified layer individually. You can show layer by layer and use layer manager to accomplish other tasks. |
| 7 | Blocks | Under Blocks, you can insert block at the end point or at intersection or between selected points. Also, you can scale and change blocks in the drawing. |
| 8 | Select | Under Select, you can initiate jump to text of same layer and other text. Select entities within a polygon. |
| 9 | Interpolate | Under Interpolate, you can interpolate at midpoint, at a given point and N values between given points and interpolate at given distance. Also interpolate randomly on basis of the selected texts under an interval |
| 10 | Import and Export | Under Import and Export, you can extract text within polygon boundary and export selected objects to CSV file and import text from CSV file as AutoCAD points. |
| 11 | Print Ready | Under Print Ready, bulk print drawing, rotate text and block as well as scale text and block. |
| 12 | Macros | While working with AutoCAD if you wish to save drawing editing time, it is better to use command prompt commands instead of Icons. ESurvey Lisps features over 50 macros that have been included after an extensive research which suit while working with survey drawings. In macro section ESurvey Lisps offers macros for majority of frequently used commands. |
| 13 | Area | Under Area, you can find parcel and triangles area and populate parcel area find area of multiple objects. |
| 14 | Mathematics and Statistics | Under Mathematics and Statistics, you can find the minimum and maximum numeric value amongst the selected texts. View the basic statistics of the selected texts and also insert the summation for the selected texts. |
| 15 | Elevate | Under Elevate, create 3D points and elevation text. Elevate selected objects and make elevation of selected texts to zero |
| 16 | Utilities | Under Utilities, you can measure distance, draw grid, show entities of specified color. Also, snap text to nearest grid point and trim around selected text and repeat measure command. |
| 17 | Survey Utilities | Under Survey Utilities, draw grid, snap text to nearest point the grid, find lat long of selected text, do traverse correction, and represent sea-leavel type elevation representation. |
| 18 | Setting Out | Under Setting Out, you can put leader with easting and northing, mark leaders, put easting northing, mark as well as export EN blocks, export vertex. |
| 19 | Interface | Though ESurvey Lisps works mainly with CAD Packages, there are 5 Utilities that work independently. |
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