1
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1answer
15 views

Trouble using ogr2ogr w/ -s_srs to combine inconsistent EPSG files into my postgis DB

I'm having trouble combining shapefiles from TIGER and different local governments into a single postgis db to query legislative locations. I've imported all data to multipolygon geom, but found some ...
1
vote
1answer
51 views

Convert decimal latitude/longitude bounding box to SRID 26910

I have a bounding box specified in decimal latitude/longitude, and need to convert this into a bounding box in the SRID 26910 coordinate system. I've never had to work with different GIS co-ordinate ...
-1
votes
1answer
104 views

How to project geographic coordinates to cartesian with the least possible error? [closed]

I need to convert geographic coordinates (in decimal degrees) to cartesian with the least possible error? I searched a lot on the internet but it seems that the conversion is not exact. Could you ...
3
votes
3answers
436 views

How to convert projected coordinates to lat/lon using Python?

I assume this is a basic question but I can't seem to find or recognize the solution. This site returns Point: X: -11705274.6374 Y: 4826473.6922 when you searching with the first key value of 000090 ...
2
votes
1answer
89 views

Problem converting coordinates

I'm trying to convert punctual values from lat/long to EPSG:6372, a projection for Mexico, defined by the Instituto Nacional de EstadĂ­stica y GeografĂ­a (INEGI). I found a converter online but somehow ...
0
votes
0answers
19 views

Coordinate conversion [duplicate]

I'm using QGIS 1.8.0 and I'm trying to convert points in lat/long to EPSG:6372. Does any one know a simple method? I'm not very familiar with the plugins of QGIS... Thanks in advance.
1
vote
0answers
115 views

Azimuth, Inclination [closed]

I work on a software and I want to compute Dx Dy with Azimuth, Inclination. MD TVD Azimuth Inclination Relative X Increment Relative Y Increment X Coordinate Y Coordinate 0.000000 ...
1
vote
2answers
98 views

Is it possible to change CRS without the .prj file?

I'm working with QGIS and trying to change the CRS of some maps. Is is possible to do it without the .prj file? Please let me know. Thanks.
0
votes
0answers
114 views

proj/pyproj converted coordinates offset

I'm using pyproj to convert some coordinates from WGS84 to OSGB36. When mapped out the converted and unconverted don't map to the same places on a map. The OSGB36 coordinates are mapped about 100 ...
0
votes
1answer
49 views

Converting an Experian (Geoconcept) file to GPS coordinates

I'm working with a file containing Experian data which was used in Geoconcept. The file describes a serie of microzones, that is polygons. Unfortuntely the coordinates system is hard to understand: ...
2
votes
2answers
179 views

geocoding addresses specifically into NAD1983 or converting X,Y into 1983 after geocoding

I'm going bananas trying to geocode addresses into a NAD1983. I have ArcMap 10.1 and I'm using the default address locator (North American 10.0 from arcgis online). No matter how low I set the ...
3
votes
1answer
997 views

Convert GPS coordinate to ArcGIS x,y point?

I'm trying to plot some AGSSimpleMarkerSymbol's in a AGSGraphicsLayer. The issue I'm running into is that the data I'm starting with are GPS coordinates (lat/lon). I'm using AGSPoint to plot the data, ...
2
votes
1answer
1k views

Converting geographic coordinate system in R

I have points in geographic coordinate system and I wanted to convert them to swiss grid (CH1903+). Sample data: id lon lat 2 7.173500 45.86880 3 7.172540 45.86887 4 7.171636 ...
4
votes
2answers
5k views

Convert X,Y State Plane coordinates to decimal degrees

I have 1000's of data point I need to convert from North Central Texas 4202 into Lat/Long decimal degrees. Can someone give me a conversion equation so I can quickly convert using excel? I have only ...
2
votes
1answer
74 views

Latitude and Longitudes are replaced with zeros when importing excel 2007 worksheet into personal geodatabase

I am trying to import an Excel 2007 data set into a personal geodatabase so I can convert coordinate systems. The data set includes point locations in Decimal Degrees. When I import the Excel ...
2
votes
1answer
644 views

Convert shapefile in NAD27 from meters to decimal degrees to match xy data?

I have a shapefile of a boundary (polygon) that has the following projection: NAD_1927_UTM_Zone_11N Projection: Transverse_Mercator False_Easting: 500000.00000000 False_Northing: ...
2
votes
0answers
169 views

How to decode Magellan URL coordinates to lat/lon

Magellan uses this URL to designate a coordinate in New York: mgn:///address/?coord=merwFvlqbM,name=Viva%20Herbals%20Pizzeria,number=179,street=2nd%20Avenue,city=New%20York,country=US How can I ...
0
votes
2answers
4k views

How to convert from UTM Zone 36N Mercator to WGS 84 degrees of lat and long?

I have acquired many coordinates from a points I extracted from polygons. The points are in WGS 84 UTM Zone 36N, and I want to use them on Google Maps. I found out that they use different systems (I ...
4
votes
1answer
363 views

EPSG operations and operation methods

Querying through the EPSG database, I can see the tables epsg_coordoperation where transforms and conversions between different CRS are stored, and epsg_coordoperationmethod which stores the ...
-1
votes
2answers
1k views

Projecting data from WGS84 to NAD27 UTM BLM Foot ArcMap

When I use the NAD27 BLM 15N prj from the projected>>UTM>>north america>> in ArcMap 10.0 and go from WGS84 to that..using the NAD_27_To_WGS_84_1 transformation..my resulting shapefile doesn't line up ...
5
votes
2answers
5k views

Using ArcMap, how may I convert a shapefile to use decimal degrees?

I have a shapefile that currently uses meters as the measure for its coordinate system, but the map framework I wish to use expects decimal degrees. I'd like to reproject my shapefile to use decimal ...
1
vote
1answer
336 views

Convert Lat/Lon to VicGrid94

In C# how can i convert a Lat/Lon coordinate to Vicgrid94 which is described http://spatialreference.org/ref/epsg/3111/ and also ...
13
votes
3answers
2k views

Lon/lat transformation

First I should clarify I don't have previous experience with the field, so I don't know the technical terminology. My question is as follows: I have two weather datasets: The first one has the ...
10
votes
10answers
5k views

Batch convert lat longs to UTM?

I've got a .csv file that contains a long list of latitude and longitude points. Is there an efficient way to batch convert the list into a projected UTM coordinate system? Thanks.
5
votes
3answers
1k views

PHP MGRS Conversion Formula/Library

Currently, the formula I'm using to convert MGRS to Lat/Long and vice versa is giving me slightly different results than most other conversion utilities. It's usually between 10 to 30 feet off. This ...