Questions tagged [land-survey]

The measurement of landscape features and their positions.

Filter by
Sorted by
Tagged with
4
votes
3answers
3k 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 ...
3
votes
2answers
6k views

How to show “First Vertical Derivative of the Magnetic Field” survey data on a map?

I will be given a magnetic survey raster and I am being asked to display this on a map as a "First Vertical Derivative of the Magnetic Field". I've done this before with a different older dataset but ...
11
votes
1answer
2k 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 ...
3
votes
2answers
151 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 ...
1
vote
4answers
1k views

Seismic shot points in ArcGIS Desktop?

I am trying to figure out how to put in seismic shot points using ArcMap 9.3 I don't have 10.0 yet, but a project is coming up where I have to add shot points. My PM is asking if I can add to the ...
7
votes
3answers
7k 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 ...
9
votes
1answer
301 views

Large survey on unconnected underground networks

We (read I) are currently surveying all the stormwater pits and pipes in our shire, and have run into a few issue with handling unknown network connections. The problem is that a lot of our network ...
6
votes
5answers
2k 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 ...
8
votes
5answers
5k 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 ...
11
votes
4answers
637 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 ...
7
votes
3answers
355 views

Establishing survey marks

We are currently getting some new survey marks established in the main town of our shire, we have been told that there are different orders based on accuracy: 1st, 2nd and 3rd both for horizontal and ...
1
vote
1answer
7k 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
4k 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 the ...

1 2
3