Questions tagged [land-survey]

The measurement of landscape features and their positions.

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Does US Survey Foot have inches?

From time beyond my remembrance, there are 12 inches in 1 foot. Now later in life, I get introduced to the US Survey Foot and Mile. I see all these calculations for converting between Meters and these ...
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Entering curve 6 call out in traverse table using ArcMap

(Line 5) South 88-58'-07" West 60.00 feet to the southeasterly terminus of a non-tangent curve concave to the southwest and having a radius of 13 feet, a radial of said curve to said terminus ...
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Creating transect off edge of polygon

I am trying to set up transects off the edges of wetlands to go out and survey. I want to create equally spaced transect lines off the edge of the polygons but I can only find the tool to create ...
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Importing Survey Triangles in DWG format to QGIS

I have a DWG with survey triangles of a site. I want to import this into QGIS so I can convert these triangles as a DEM in QGIS. When I use import function it just adds all the layers into QGIS. How ...
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Why is my data displaying over such large areas/sections?

I'm just coming back to RockWorks (using RockWorks22). Everything seems to run fine but... My data displays over large areas whether horizontal or vertical (see images). If this doesn't make sense (...
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Drawing lines based on a bearing in nanoCAD 5

I'm using the free version of nanoCAD (v5) and attempting to draw lines based on the Australian land surveying standard of bearing (in degrees-minutes-seconds) and distance. The bearing is always ...
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Metes and Bounds or Survey Description in ArcGIS Online

I am trying to visualize a surveyed area in ArcGIS Online. I have a metes and bounds description of the property, as well as the survey bearings in both State Plane Grid Bearings and Deed Grid ...
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Tems Investigation and Garmin GPS 18x

I am new to Tems Investigation. I am using Garmin 18x as GPS Receiver, but it is not working. I already installed USBDrivers_2310 for my Garmin 18x. Does Tems Investigation supports Garmin 18x GPS ...
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How to create a roadway using a topo values shapefile (survey points data) in Sketchup Pro?

I am a GIS Technician, new to Sketchup, I would like to know how to create a roadway in Sketchup Pro using a shapefile which is a survey points data with elevations in meters. The topographic data is ...
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Bearing convergence in digitizing property surveys

I'm digitizing and stitching together a number of adjacent/overlapping property surveys. The most recent ones provide clear UTM/MTM grid bearings and distances, and in some cases coordinates of ORPs, ...
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QGIS transformation local coordinate system to UTM35

I am creating a geo database for an archaeological excavation. We want to put data from a local system and from UTM35 in the same QGIS-project. I have Ground Control Points and I calculated ...
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Locating land title technical description on Google Maps

I am planning to buy a certain property but I'm too far away from where it's located to check it personally. The seller sends me a technical description of the property and I'm trying to locate it on ...
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How to enter survey coordinates into parcel fabric traverse grid?

I have a survey that only gives me the coordinate points for a parcel I need to draw into the parcel fabric. I am used to seeing bearings and distances - how do I take these coordinate points and turn ...
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Area measurement validation: ellipsoid vs geoid

I try to validate area measurements on orthomosaics using objects of known size on the ground. I'm working on centimeter level measurements. As far as i understand an orthomosaic in WGS 84 is ...
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What do the acronyms OBT and OCIP mean on a survey plan?

When looking at survey plans for British Columbia, Canada, there are various acronyms used to describe survey markers. Ones that I do know include: BT - bearing tree CIP - capped iron post PP - "...
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Transforming Cassini coordinates to UTM

Why is it that when I transform certain Cassini coordinates to UTM, they give negative UTM coordinates, which should not be the case. Note that the equator passes through this particular area of ...
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Adding a land survey to QGIS Canvas

I'm having difficulty adding land survey information to QGIS. What I need to do is add the survey boundaries of oil and gas leases, so that I can overlay additional data associated with land ...
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Getting the latitude and longitude coordinates (to plot 2D) from a well survey

I basically want to do what you did here How to create a layer of directional/horizontal wells?. I am able to get the coordinates from a well survey to create a shapefile to be able to visualize the ...
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Shifting points along normal vector to path

I have list of points which are connected with line in "zig-zag" fashion: Using QGIS, I'm trying to create a line connecting all the middle or inside points and then shift all outside points to this ...
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Cheap relative positioning

I have a 6 acre permaculture farm, and I would like to be able to plant something at a location, log the location, and be able to find it again to within about a foot accuracy. I do not need the ...
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Recreate a Local Custom Coordinate System from Survey Data in GIS?

I have a .DWG file of a series of survey points that has no associated projection file with it. The surveying group I received the data from states that the system they use is a local coordinate ...
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Can QField record GPS Z-Value

We are a land survey company and are considering using QField to perform asset surveys for local government agencies. Looking through the documentation it appears that QField can do most of what we ...
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Seeking list of geodetic benchmark locations for all of Canada? [duplicate]

Does anyone know where I can find a list of geodetic benchmark locations for all of Canada? I am looking for a few specific control monuments in Arctic Canada with accurate coordinates
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What does "CLEAR" mean on a land survey map?

I paid for a land survey of my house lot, and there was one term on the survey map that I wasn't 100% sure about: "CLEAR". It's used on the map to refer to a short distance (e.g. 0.1' CLEAR or 0.2' ...
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Seeking method for determining survey points?

I'm trying to write software to create a topographic map, my goal is to select several points of interest and create a minimal mapping that is inclusive of the points and interpolates the topography. ...
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Details on Topcon theodolite data format (<3595959+3595959+****d094)

I am interfacing to a Topcon DT-102 (circa 1995) digital theodolite and wonder if anyone can help with the transmission format. It is perhaps shared with Sokkia or Leica/Wild. Background The unit ...
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Distance calibration between GNSS RTK receiver and display/processing device?

Are there any known procedures for calibrating a precise position of an external processing/display device (e.g. a smartphone or a tablet) relative to the GNSS receiver? Apparently, such a procedure ...
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Difference between a GNSS receiver and GNSS antenna

I´m relative new using GNSS data and I would like to understand a little more about the instruments that I´m planning to use in my future research. I was looking information on the UNAVCO website ...
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Mapping & digitizing geographic features freehand? [closed]

I´m working on a project to map a colleague´s farm, and then ultimately digitizing that information to produce maps and signage. To start, we´re focusing on a small agroforestry plantation. We want ...
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342 views

WPF: How to change the Map Point coordinate(lat/long) to screen point (x-y) on ArcGIS

My project required me to perform a close traverse to plotting by placing a marker on that particular point. My problem now is that the traverse calculation are in x-y plane, but to plot a point using ...
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Open Traverse Method for the map survey

I need to use traverse method in my program on visual studio(WPF) so that the user can get their target point coordinate by using their initial data. In my knowledge there is two type of traverse that ...
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Understanding CadNSDI versus GCDB PLSS datasets difference and accuracy?

I recently submitted some coordinates I acquired via ArcGIS to the BLM to go out into the field and pinpoint some locations. When I did the work at the computer I used ArcGIS and leveraged the BLM's ...
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Understanding the MUSYM field on SSURGO dataset?

What does the MUSYM field on the SSURGO data set mean? I have looked on the nrcs website have only found that it identifies soil. In the data set that I am looking at there are values like Ub and ...
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Adding land survey info to QGIS?

I am looking for help digitizing or adding info from survey plans into QGIS. In this example I'm trying to add the lease boundaries highlighted in yellow and the pipeline right of ways to the right ...
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Geolocating dataset of well pumps?

I have a dataset of well pumps, and I am trying to geolocate them. Each of the wells has as "Service Address" field, but instead of giving an address, it lists something that looks like this: "NW NE ...
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1 answer
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Hardware for Surveying and mapping total station

Is "Microsoft Windows CE 6.0 / Magnet Field" operating system the sole property of TOPCON total station or it can be found in other total stations as well?
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3 answers
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Why can't lines plotted on google maps suffice for legal determination of property boundaries?

If there is a way to calculate a maximum error in a line plotted on google maps (road map, or satellite view) , then that should be admissible in a court of law, shouldn't it ? For example, my deed ...
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How to map using more 'accurate' DATUM than WGS84? [closed]

WGS 84 is not very accurate as it is a compromise for the whole earth. Assuming theoretically I'm surveying using very accurate IMU and very accurate GPS (in WGS 84 of course). I think I'll get a ...
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DGPS post-processed Kinematic (PPK)

I did a dGPS survey last summer. Unfortunately, we didn't have a base station. So I did my survey in post-processed Kinematic PPK mode. Because we borrowed the equipment, we don't have access to post-...
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How to understand degrees in real estate

We are wanting to understand where the easement is on a 10 acre property we purchased. We don't really understand about tags for posting. This is the description: Ingress-egress easement for road ...
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Create Pseudo Drilling Spacing Units - Polygon inside another polygon from its boundaries

I am trying to create pseudo Drilling Spacing Units. That corresponded with the section, township and range that they are generated from. I am working with Sections from the Land grid in Oklahoma; ...
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Latitude and longitude information of agricultural land [closed]

Is there a method by which I can get latlong details of agricultural land? Latlong information of 1 point in the land is not useful, as I want details of the entire agriculture boundary (from latlong ...
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1 answer
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How to show slope directon and angle [duplicate]

I need to create a map showing slope direction and dip angles in QGIS. How do I get either: the dip angle to show up next to the direction arrow or the dip arrow symbol to change depending on the ...
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Align approximately colocated vector points for comparison

I have a more general, methodological question and do not have much knowledge about GIS techniques. I have 6 topographic survey ([x,y,z] point clouds), each representing the same dune/beach system ...
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2 votes
1 answer
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Convert Cassini-Soldner Projection coordinates from Kenya to UTM

I have a list of coordinates from Kenya. The coordinates were recorded in old survey maps using Cassini-Soldner Projection, with Clarke 1858 Datum. The approximate geographic coordinates (WGS84) of ...
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How do you delete Survey123 attachments from a survey?

There seems to be no documentation on how to delete Survey123 attachments. Is it actually feasible? Is deleting the complete feature layer record required/necessary? (and if so, how can one be sure ...
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Adding surveyed points to ArcMap?

I am using arcmap 10.2. How do i insert survey points that were collected in PNEZD format?
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Validation points for supervise classification

I have undertaken supervised classification (maximum likelihood) and planning to survey the ground to validate the output. How many validation points do I need to take? The raster is a landsat tile ...
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2 answers
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American FactFinder by ZIP code

I'm doing a research project that involves using demographic data collected from both the national Census and the American Community Surveys. I am interested in about 40 zip codes within NYC. The ...
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Are all remote sensing landcover/use classifications without ground survey scientifically invalid? [closed]

It is on the need of accuracy assessment of classification product. Land cover/use classification is a prominent analysis in remote sensing. Now the question is if I generate a landcover from LANDSAT,...
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