The measurement of landscape features and their positions.

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39 views

How do I get the lat-long coordinate of point 1 from a survey plan [on hold]

Here are the data from the survey plan: TIE LINES from BLLM No. 3, PLS 561, to corner "1" of: LOT ----------Bearing--------------------Distance Boundary ----S 36deg 41min W ------11,641.21 meters ...
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3answers
122 views

Using Plat Plotter - Calculate Curve Table feature given an arc and radius

Plat Plotter has a Calculate Curve Table feature that generates a sequence of points for use in drawing plot lines. To put another way, it converts a curve into several short, straight segments ...
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0answers
54 views

Software that converts from legal description text?

Is there software that takes legal description text as input for conversion to some computer friendly GIS format? For example: Those portions of the North Half of the Southeast Quarter and the ...
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1answer
137 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 ...
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1answer
42 views

Can I capture shared vertices with a Trimble GPS?

I'm trying to figure out how to use Trimble GeoXT and GeoXH GPS receivers to efficiently capture small farm fields in rural areas. The main issue that I'm struggling with now is trying to deal with ...
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0answers
81 views

What are the top 5 file types for 3D model?

I don't know much about GIS but I'm investigating a project that requires a 3D model of a hilly large town (town centre, suburbs, golfcourse, etc.). I'm not certain which file-type of these ...
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2answers
159 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 ...
0
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1answer
64 views

Basis of Bearing in ArcGIS Parcel Fabric

Can someone explain how to handle a basis of bearing (a rotation factor for an entire parcel fabric) in an ArcGIS (10.2/10.3) parcel fabric? I have a set of parcels at the edge of an SPCS zone, so ...
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2answers
40 views

Creating points from an Annexation Ordinance description [duplicate]

I would like to be able to draw points in ArcMap using information provided by an Annexation Ordinance. I use ArcMap 10.3 with a Basic License Not having much experience in working with ...
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1answer
38 views

Water diving and depth measuring equipment

We go to villages and forest to deepwell rig for water. Can anyone help in identifying a GPS and water depth measurement devices please? we do 4-6" deepwell rigging for ground water in mozambique ...
3
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1answer
132 views

How to display survey calls using the traverse tool?

I use the Traverse Tool to run out legal descriptions on deeds and recorded subdivision plats. I'm looking for a way to display the survey calls once I'm done. Is there a way to do that? I'm using ...
4
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1answer
174 views

Has anyone used QGIS as an alternative to Terrasync or ArcGIS mobile?

We are planning to purchase a rugged field computer (Trimble, Juniper, Ashtec etc.) for accurately surveying habitats and work sites in remote locations. In the past we have found that the software ...
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0answers
17 views

Converting angles and distances on Allotment map to North/East coordinates? [duplicate]

I have an allotment map with angles and distances but no North/East coordinates. Instead it has at one corner some numbers which I suspect are the coordinates but in some different form. Please ...
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2answers
911 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 ...
3
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1answer
164 views

Need advice for localized survey base point

I have a set of 4 control points used for H and V localization. There is a base point located far to the SW of the property. I did not create this myself, but took it off of an existing Pocket 3-D ...
2
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1answer
31 views

Are there free maps available that can show me land planted with oil palm?

Currently I am taking gps coordinates of oil palm plantations in Africa. I'm putting the waypoints in a GIS program but the free basemap provided isn't always giving high resolution images, making it ...
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0answers
86 views

How to set up a base station without known coordinates

I am new to surveying, but need to set up a Topcon controller with Pocket 3-D to run 2 receivers and a grader running off the base receiver for my new job. It sounds stupid, because I can't seem to ...
4
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1answer
232 views

How to check if points are concyclic before solving three point resection

I'm trying to write a function that solves the three point resection problem using Tienstra method. I gathered a lot of papers and books about this problem, and each one of them states: If the ...
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0answers
313 views

Exporting Leica Geo Office points to view/edit in ArcGIS for Desktop?

I've got some points recorded with a leica 1200 rover, which I now have imported into Leica Geo Office. I want to export these to view and edit them in ArcGIS for Desktop. I recorded their properties ...
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1answer
224 views

Direction and Distance Point Placement

I'm working with 19th century land tax records that provide a direction (expressed as NW, SE, etc.) and a distance in miles from the court house. The info in the Land Tax Records (LTR) is in effect a ...
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2answers
509 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 ...
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2answers
302 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. ...
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2answers
507 views

Plotting property surveys using AutoCad MAP2013 - Draw arc problem

This is likely a simple question that I just can't seem to answer. I am plotting some surveys in AutoCad Map3D but I simply can't figure out how to draw an arc using survey coordinates. The large ...
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1answer
468 views

How to identify township range and section from longitude and latitude

I have several hundred coordinates in an Excel file. I would like to identify the township range and section they are located--what is the easiest way to do this? I have you QGIS and basic GIS skills ...
6
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2answers
998 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. ...
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1answer
191 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 ...
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3answers
121 views

Is there demand for a higher resolution alternative to GPS tracking in the GIS market?

If there was an alternative to GPS that provided higher resolution tracking, what applications would there be for it in GIS? Note that this means higher resolution, but not necessarily higher ...
2
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3answers
353 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 ...
3
votes
1answer
330 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 ...
0
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1answer
91 views

What is the best tool to measure latitude the most accurately?

I'm thinking it's the sextant but not sure. I tried looking it up on Google and came across this site but have found nothing useful. I am doing this for a research paper and need help. Thanks to ...
7
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2answers
286 views

What does map scale refer to in map making / field survey metadata?

If I have, say, a printed map at the scale of 1:20000 and the legend says that it was mapped at a scale of 1:10000 does this simply mean, that the surveyors/cartographers made drafts & sketches or ...
11
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1answer
568 views

Teaching Python to Land Surveyors

Does anyone have any good examples of using Python to automate or simplify common surveying tasks? I'm teaching a Python/ArcPy lab this week for a GIS class. There are a number of surveying ...
2
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2answers
2k 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 ...
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1answer
395 views

Looking for a tutorial on syncing QGIS with Trimble ProXT

Does anyone have any experience/advice to sync a TrimbleProXT gps antenna with the current "Lisboa" 1.8.0v? Additionally did you manage to collect features (points,line,polygons) in the field ok? ...
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2answers
639 views

Land Administration Domain Model example implementations

Does anybody know of a sample implementation? I am currently trying to adapt it to my country but the LADM is rather abstract. Anybody have any idea how to go about this?
4
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2answers
962 views

Parcel Fabric vs. Polygon feature class (for land parcel management)

I'm wondering if I should migrate my existing parcel polygons (stored as a feature class in a geodatabase) to a parcel fabric in ArcMap. What are the advantages of doing this? I work for a county so ...
10
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1answer
716 views

How to compare aerial and satellite images for land use analysis?

I am interested to compare the land use-cover dynamics for four periods: 1950s, 1980s, 1990s and current for a certain area having a max size of 5000 ha. For the first three periods detailed aerial ...
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votes
2answers
113 views

earthquake effects on total station surveys

What I have been wondering is whether an earthquake can affect a closed system survey. We are using Leica TCR 307s and TCR 407s and I was wondering if an earthquake can throw off your fixed points if ...
7
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3answers
3k views

Do's and Don'ts for GPS Localization

We have recently purchased some new GPS survey gear (ProMark 500) and we have set up a localization around the town using some of the known survey marks. While I'm pretty confident that I have got it ...
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5answers
625 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 ...
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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 ...
11
votes
4answers
434 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 ...
2
votes
1answer
894 views

How to process topographic survey data in ArcGIS?

I am interested to find out how others process topographic survey data in ArcGIS. Often I am only given a text file or an Excel spreadsheet containing XYZ points and simple attribute information ...
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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. ...
9
votes
5answers
1k views

How can I find positions on my land?

I have about 2 acres of land, wooded and brushy. There was a survey and the corners have rebar. I am working on a site plan for house construction. I have two related problems: Finding a spot on ...