The measurement of landscape features and their positions.

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2
votes
2answers
1k views

How to Calculate North?

I am working for field survey & client requirement is differentiate various north,like magnetic north,true north & grid north.So therefore my question is what is the methodology of calculating ...
2
votes
3answers
334 views

Convert surveyor's calls in excel table to polygon shapefile

Do you know of a way to take surveyor's calls from an excel file (for example: N35-45-15W 60.0 ft, etc) and have them generate polygon shapefiles point by point in GIS? I know you can easily do this ...
2
votes
1answer
232 views

Data format for checking a land survey deed

A commercial property is in the closing phase of sale and the only hold up is that the deed description is one that's been lifted from prior deeds dating back to the 1950's and is obviously erroneous. ...
6
votes
2answers
902 views

COGOing Legal Descriptions

I successfully used the COGO traverse tool to create a polygon for a piece of property described in a legal description. My issue arose because it did not line up with data I already have of the area. ...
1
vote
2answers
112 views

Plot Canadian (Alberta Province) township, range, and section data on Google Maps

We are working on a project where we need to plot some part of Canada (Alberta) over Google Maps. We can plot maps on Google with coordinates (lat/long) or geometry values. But our client provided us ...
8
votes
5answers
2k views

DIY easy and ~accurate small-scale landscape survey

Summary Is there any equipment that I can rent 'inexpensively' (less than $400) that would allow 1-2 people to accurately (+/- 6") capture the topography of hilly terrain of perhaps 250' on a side in ...
3
votes
1answer
312 views

Coordinate systems and bearings

Ok so I've got a noodle scratcher and want some input before I open my mouth to my higher-ups. I recieved a new boundary description from a surveyor that uses metes and bounds in the form of bearings ...
11
votes
4answers
429 views

Given a list of surveyor points, what is the algorithm used to simplify the points and retain the terrain characteristics?

Given a terrain and surveyor points sampled from from it or from its contours, is there any algorithm that one can use to simplify the points ( i.e., reduce the surveyor points number) and at the same ...
5
votes
5answers
609 views

Landscape software to analyze amount of dirt moved

I'm about to embark upon a design project for re-contouring landscape around my home. Assuming I get an accurate measurement of the landscape into the computer, and after I modify the landscape model ...
1
vote
2answers
436 views

How to enter quadrant bearings into Copan map check

I am attempting to convert, to a 360 degree basis, the normal bearings in a survey. The following are the original survey bearings (2nd column) and on the right (4th column) is the 360 basis amount I ...
4
votes
2answers
732 views

Outline a plot of land on a map

A client has a very old Certificate of Ownership document for a plot of land. We need to show the outline of the plot on Google maps to potential developers. Sadly the description of the plot is in ...
1
vote
1answer
73 views

Can we create topographical map of private land using GPS elevation data?

Is there a way to create a relatively precise topographical map of a private land using GPS elevation data? As the land is a little bit over 100,000 square meters, the available regional topographical ...
1
vote
1answer
180 views

Acceptable traverse field file syntax for processing on Copan, with azimuths reckoned from south

I'm looking for a way to properly process .RAW traverse data from Nikon DTM on Copan 11.11. These points, after calculations and processing, will later be used as points in a thematic map and a .dwg ...
1
vote
1answer
4k views

Importing Leica total station .GSI file data into ArcGIS Desktop 9.x?

I have a total station data file (test.gsi) that was collected with a Leica 1200. How can I import the data to ArcGIS 9.x and plot points with the point name given by the total station observer. ...