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2
votes
3answers
374 views

How to Generate Points on Corner of Polygon Only

I have a polygon layer made up of grid cells, illustrating a survey system: I'm trying to create a point on each corner of the polygon. I've used a geoprocessing tool called "Feature Vertices to ...
2
votes
1answer
36 views

How to Decipher an SDR File

I want to create a custom import routine that can read/import an sdr file. The sdr files will contain information the surveyor has picked up when completing an as-built. The data will likely contain ...
2
votes
1answer
602 views

How to generate random points with minimum distances between points in multiple polygons

I am looking to create random points for a random stratified survey. There are three different categories being surveyed; for each, I have a single shapefile, each containing a number of polygons. I ...
0
votes
1answer
130 views

Can I tie-in a data collection form with an online map service to crowdsource values for map features?

Apologies if this has been covered before. I've done some research but unfortunately my Google Fu has failed me. I want to be able to collect some simple numeric data from multiple people over the ...
2
votes
0answers
192 views

Computing Shannon-Weiner biodiversity index using QGis

I wonder if anybody has some experience in calculating biodiversity index (such as Shannon-Weiner) using QGis. I am also interested for similar experiences using R scripts within QGis. The analysis ...
2
votes
0answers
224 views

Import vtk file in grass gis

last summer I made the relief of a cave, and at this time I returned with Therion software. This survey is in 3d and I can save it in the formats .Lox, .3d, vtk. I would like to import it in grass or ...
1
vote
0answers
38 views

Surveying software with geocoding abilities

My company is a market research firm looking for an integrated surveying software that has the potential to geocode on-the-fly via tablet device. Requirements: -Ability to collect rider ...
0
votes
0answers
18 views

import error (gpx, kml)

I have problem with gpx and kml files. When I'm trying to import to tablet (simple program for field survey) it appear message: Import error ... file structure is not compliant with the ...
0
votes
0answers
29 views

Interpolation of 3D surveys for Radius of Curvature between end points

I am looking for a spreadsheet to interpolate between the end points on a 3D radius of curvature arc and calculate the inclination and azimuth between the two end points. For instance if we have an ...
0
votes
0answers
32 views

Create survey for Collector for ArcGIS

I want to create survey for a group of users who will be using Collector for ArcGIS to collect data on the field. The forms and type of data has already been created, I need the opinions from them ...
0
votes
0answers
127 views

Directional Drilling Survey - Convert end point to LAT/LON

I have a drilling directional survey which looks something like this: MD Incl/Dip Az TVD 0.00 0.00 0.00 142.00 0.09 337.95 142.00 325.00 0.09 202.22 325.00 510.00 1.14 ...
0
votes
0answers
183 views

Web map survey/questionnaire

I have implemented a new web map application in my organization and I want to do a survey/questionnaire for the web map users (both internal and external users) to collect information about what they ...