A reference framework consisting of a set of points, lines, and/or surfaces, and a set of rules, used to define the positions of points in space in either two or three dimensions.

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65 views

Spatial data not aligning after Define Projection? [duplicate]

I have three shapefiles and two buffers made from two separate shapefiles. I was trying to do a spatial join and it kept coming up with an empty file even though there was clearly overlap. I realized ...
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1answer
42 views

QGIS Road graph setting not configure

I am using qgis valmiera on windows 7 pro 64 bit. I am unable to configure road graph setting. Layer feature Transport layer is not highlighted. Please tell me how to solve this problem. Please tell ...
2
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1answer
38 views

In FME Desktop, I have a custom coordinate system, I was confused how to translate it for MyCoordSysDefs.fme

I have a custom coordinate system that I was confused how to translate it to the MyCoordSysDefs.fme for use in Safe Desktop. Here's how it is represented in the prj file. ...
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3answers
89 views

Create buffer in Metres

I want to create a buffer in meters around points in Europe. But I cannot find a proper CRS for Europe that is in meters instead of degrees?
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1answer
456 views

QGIS 2.2 Openlayers Plugin shift between shapefile and base layer for large format

I am attempting to create a 24x36 map of New York City, and overlay it with a shapefile from City Planning. I'm using the Openlayers plugin, and I've tried all of the different types of base street ...
2
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2answers
141 views

Adding Geographic Coordinate System and Projected Coordinate System layers

So I have two layers that I am adding into ArcMap. I know for a fact that when you added the first layer with Projected Coordinated System, the 2nd layer, which has a geographic coordinate system ...
2
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0answers
230 views

Split a Polygon that Crosses International Date Line, ArcPy [closed]

I have a lots of existing data in WGS-1984 (too much to manually edit). I need to split these lines and polygons by the international date line. More projection information: ...
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1answer
46 views

Calling QgsProjectionSelector from QGIS Python plugin?

I am trying to create a dialog that allows the user to select a coordinate system from either the recently used projections or a general list of all available projections. This would basically offer ...
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1answer
37 views

QGIS Digitizing in Cartesian

I have a client, that needs some geological maps digitized (polygons) in a Cartesian grid. It would be a basic, square grid with North up, and coordinates in x and y. Some of the maps will need to ...
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1answer
118 views

Help defining custom CRS in QGIS 2.2

I'm trying to use EPSG:4479 in QGIS. 1) If I search for EPSG:4479, it returns a "Imported from GDAL" EPSG:4479, but it does not work. At the console, the following message is displayed: ERROR 6: ...
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1answer
85 views

Which UTM zone 32N with prefix should I use in Rhineland-Palatinate (Germany)?

I would like to store and use GIS-Data in Rhineland-Palatinate (Germany). The coordinate System should be UTM 32N with 32 as prefix (false easting = 32,500,000; not 500,000). I looked at EPSG 4647 ...
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0answers
80 views

Calculating closest distances in meters/kilometers given lat/long coordinates?

I am using ArcGIS 10.2 for Desktop. I have a shape file containing points worldwide with lat and long, and another world map polygon file whose Geographic Coordinate System is GCS_WGS_1984 and Datum ...
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1answer
23 views

QGIS “transform error” after downloading from OpenStreetMap

Beginner's question. I am working on this tutorial: http://www.qgis.org/en/docs/training_manual/vector_analysis/basic_analysis.html After selecting WGS84 UTM zone 34S in Project Properties, I receive ...
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0answers
56 views

Creating custom CRS for India toposheets using QGIS?

Indian toposheets (pre-2000 series) of 1:50k scale are in Polyconic projection, with Everest 1956 spheroid and India-nepal datum. How do I create a custom CRS in QGIS to represent this, so that I can ...
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2answers
81 views

Georeferencing Vector Layer (shp) from Mollweide Projection to Custom CRS in QGis

the title might be a little complex. Its part of a massive project: I'm working on a fantasy world; a map, to be more specific. I basicly just started to paint a world map in Photoshop, but over time ...
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0answers
66 views

Java GeoTools - Getting CRS from SRID

I might confuse between two things, but I need to do some calculation on my polygons (distance, area etc.). Using the WKBReader, I'm getting the geo: WKBReader wkbReader = new WKBReader(); byte[] a = ...
2
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1answer
49 views

How to align an HDF layer

Forgive me, but I am completely new to GIS. I am using QGIS. I have a raster layer (HDF format) that does not align with other layers. All layers are projected WGS84 (EPSG:4326) and still the problem ...
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1answer
95 views

How do I create an index layer for multiple maps?

I am trying to create an index layer of just the area within the Orange lines. I am having difficulty creating this layer due to it not being a simple box area. The goal is to create a index layer, ...
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1answer
67 views

Persistent datum conflict error. Datums are the same

I'm clipping a number of features using other feature layers, and was careful to get everything into WGS84 beforehand, using what I thought were the proper datum transformations. Now I keep getting ...
3
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1answer
70 views

Help identifying a coordinate system

I have some "latitude" and "longitude" data that describes the Silverstone motor racing circuit in the UK. The coordinates look something like this: latitude longitude +03124.27986 +00061.07652 ...
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2answers
103 views

How to fix shape file projections

I have a project with several shape files. The files overlapping however. I have to go to unusable extents to even see the file on the same screen. I have tried using to project to as suggested here ...
2
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1answer
106 views

Why is shapefile not drawing in expected location after (or before) using Define Projection tool? [duplicate]

I have downloaded this zipped shapefile of bus routes from the City of Houston data portal. I then performed these steps in ArcGIS Desktop 9.3.1: Extracted the shapefile from the *.zip Added this ...
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1answer
45 views

How to project feature class located into 3 UTM Zones?

i have created a silverlight API web map application,for Saudi Arabia country, i have created a 3 search button, once search for "X,y", the problem with me is to how to define a probability projection ...
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1answer
31 views

Converting NAD27 geographic to grid

I have a series of lat/long coordinates in NAD27 that i need to convert to NAD27 zone 17n eastings/northings. I have ARCGIS 9.3 but no direct and reliable means for the transformation. Any ideas?
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2answers
366 views

How to get a “classical” globe projection

I have a shapefile of the world continents in EPSG 4326. To what reference system do I have to reproject my file to get a projecting like this globe below?
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1answer
54 views

reproject vector layer with pyqgis with new CRS does not worl

In QGIS I am running a script in th python toolbar to export all visible vector layers to a GEOJSON with this snippet: canvas = qgis.utils.iface.mapCanvas() allLayers = canvas.layers() for i in ...
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0answers
36 views

How can I see the overlay of two features (point & polygon)?

I am trying to open two digitized layers, one containing points in a region and second which I have downloaded separately for the region as polygon layer. I would like to overlay two of these layers ...
1
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1answer
210 views

What is the coordinate system of this maritime natural gas field map?

The Israeli Ministry of Natural Infrastructure, Energy and Water Resources published a maritime map of the borders of a new natural gas field. The map is a part of a full license (PDF), a legal ...
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0answers
34 views

Error 14: Could not open CRS database

I am using Python Console and loading a Vector Layer using python commands. When the layer is added, QGIS first asks for the CRS to use, but I don't have all the CRS listed out to select the Reference ...
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1answer
43 views

How can i figure out to convert this points to latlong?

I got below data in sql server, Learned that data is collected under zone IIIa considering Lambert Conformal conic projection in India. The data is generated from Spatial Cadastre Software. Also ...
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2answers
77 views

Data match-up problem ArcGIS 10.1

I am running into a problem with two data sets matching up, and although it seems like a newbie coordinate system problem, it has me stumped. One data set is a GPS track (Garmin Etrex Legend 30) and ...
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0answers
38 views

Convert coordinates

I have some data that I need to convert to Lat-Lon in order to plot. It originally came from an Esri Shapefile which I managed to get it out of with QIS. The issue is that the coordinate reference ...
2
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1answer
209 views

Calculating distance scale factor by latitude for Mercator

This was really inconvenient topic to google out - so I'm asking for clarification, did I understood things correctly. I'm talking about measuring short distances in Mercator projection (3857). You ...
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2answers
197 views

How to I convert from decimal degrees to meters in Qgis?

I am trying to convert from decimal degrees to meters in QGIS. I have a shape file that is currently in WGS84/UTM zone 19S. I have tried the save as - browse - WGS84 EPSG:4326 but this appears: ...
2
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1answer
51 views

Is it possible to get coordinate system name from SQL Server geometry type?

I need to get the name of the coordinate system of a geometry type field in SQL Server 2008 R2 (for example NAD_1983_UTM_Zone_14N or GCS_WGS_1984 or other). Is this possible?
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1answer
69 views

Converting unknown type of coordinates to lat/lon

Our company is using Total Station (Surveying Machine using SOP) to calculate GPS coordinates and its results are something like this Easting: 3250193.00, Northing: 1115573.00, Elevation: 656.00 ...
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1answer
65 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 ...
0
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1answer
51 views

Planar CRS for raster and vector layers

I want to work with a planar coordinate system, and as far as I know QGIS automatically puts me in a cartesian plan if I don't set up a CRS (Coordinate Reference System) for my project. That is ...
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1answer
57 views

How do I check spatial reference on all parameters during Tool Validation?

How do I check spatial reference on all parameters during Tool Validation? Just looking for recommendations. Here is what I have already. This must work with existing validation. import arcpy class ...
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0answers
79 views

LIDAR Dataset displaying 500,000 meters to the East of correct position

First post on here.. I've been hung up for a couple days. Why does my LIDAR dataset show up ~500,000meters to the east of the correct position even though a spatial reference/coordinate system is ...
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0answers
98 views

Myanmar Datum 2000 information

Does anybody know where I can find the technical details for Burma's latest datum? It's called Myanmar Datum 2000 and I can't find any details online. I need the details to create a custom datum on my ...
2
votes
1answer
40 views

How do I make this into a working CRS in ArcGIS?

+proj=tmerc +lat_0=0 +lon_0=-114 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs I have this text string which I successfully used to project data in QGIS. How do I use ...
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0answers
13 views

Layers change position when saving to another data format

When I save my map after using the composer, the layers move a little bit on the images of the OpenLayers plugin. It is like they ignore the CRS option. Do you have an idea?
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1answer
67 views

Question about BNG coordinate systems

I'm historically a user of MapInfo Professional but have recently started using FME and have been talked into now testing out a copy of QGIS. The main problem I've come across is that the coordinate ...
-2
votes
1answer
67 views

How to Draw/plot or identify in GoogleMaps with below PointData

How to Draw/plot or identify in GoogleMaps with below PointData? Below are the points generated from spatial cadastre software. PointName Xpos Ypos _1 341.0926 527.9615 _10 669.1454 ...
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2answers
53 views

What is the closest CRS to “Meridiano de Greenwich”

I have a 1906 scanned map that I am trying to georeference in QGIS for Mac. The map has French and English lat-long, indicating them as either "Meridiano de Greenwich" or "Meridiano de Paris." I would ...
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1answer
50 views

Importing data into a project with a custom CRS incorrectly projected

I created a custom CRS for a project I am working on. I then started a new project, set to my custom CRS and turn on "on the fly" transformation. I import Rail data that I know is in my custom CRS, ...
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1answer
161 views

How to create polygon that goes over +/-180 (dateline) in ArcMap?

I want to create a polygon feature that will go through the dateline (180 long.) in ArcMap. I am using WGS_1984_Web_Mercator_Auxiliary_Sphere (WKID: 3857) for my data frame and my polygonal feature ...
2
votes
1answer
260 views

Wrong lon and lat

I am using QGIS 2.2.0! I have shape file with wrong coordinates, it's had replaced x coordinate with y coordinate. For example my point feature have coordinates: 4830698,7496859 and right coordinates ...
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2answers
127 views

Help, I have 10,000+ .shp files covering 3 UTM zones with unknown projections

I was handed a ton of property files with no projections attached but was told they are all in UTM zone 21S. Well once I merged them all together and projected them I realized that the data covers 3 ...