Tagged Questions

"Convert" usually tags questions where a change of physical file format or of coordinate representation is needed.

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1
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2answers
69 views

Which format to choose to convert to ShapeFiles?

Given the following format options: all.json, all.xml, all.xls, all.csv, all.kml, all.gjson Which one is the best/easiest to convert the data into standard ERSI Shapefiles which contains the ...
0
votes
1answer
33 views

QGIS map file to be viewed on both mac and pc platforms

Im teaching a class where some students have QGIS installed on their macs and I'm using a pc. Although the file structure is the same mac reference files differently than the pc and I get data link ...
0
votes
0answers
167 views

MXD2QGS fails with 'ascii' codec can't encode character

I've tried to convert some mxd files to qgs but, I already have the same error: ": 'ascii' codec can't encode character u'\xe8' in position 57: ordinal not in range(128) Échec de l’exécution de ...
0
votes
1answer
73 views

Extract longitude and latitude from shapefile

I want to create a media wiki page with map option where polygon required the following format. What is name of this format and how can it possible to extract this format from shapefile? ...
3
votes
1answer
339 views

How to convert a CSV from DMS to WGS84 in QGIS?

I would like to automatically convert from a Degree - minute - second system to WGS84 EPSG:32632. I have a CSV with these kind of values: LATITUDINE LONGITUDINE 46°01’24,7” 11°13’47,5” 45°42’07,5” ...
1
vote
3answers
185 views

Converting files for use in fragstats

To use my data in fragstats i need to convert it into a signed integer grid. I have the data in a raster format and have tried 'right click>data>export data> and setting the format to 'Grid' and it ...
2
votes
1answer
106 views

How can I convert a csv file of WKT data to a shape file using QGIS 2.01

Is it possible to create a Shapefile directly from a csv WKT file in QGIS 2.01? WKT POLYGON(...) POLYGON(...) Save as shapefile doesn't seem to work. Thanks!
0
votes
1answer
81 views

Convert an area to meters² in PostGIS

I have this query : SELECT ST_AREA(geom::geography) FROM region The (geom) contains polygons from a shapefile imported into PostGIS with shp2pgsql. I've appended ::geography, else the result of ...
2
votes
2answers
273 views

Convert shapefiles in nested folder to geodatabase

I currently have approximately six hundred old .mxds, and all the data source links are broken due to an upgrade in the GIS computer. In the past, all the spatial data was stored as shapefiles in ...
0
votes
0answers
106 views

How to add and join Geodatabase Table to Feature Class in QGIS?

After finally figuring out how to open .gdb files from Arc 10 in QGIS, I need to join some tables to the spatial gdb coverages I've opened in QGIS. According to the colleague who converted the .gdb ...
-1
votes
1answer
263 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 ...
2
votes
2answers
178 views

Trouble Copying Data into File Geodatabase from Personal Geodatabase

I've been unable to successfully copy and paste personal geodatabase feature classes to a new file geodatabase in ArcCatalog 10.1. As the screenshot shows, the Data Transfer dialog box contains all ...
2
votes
1answer
893 views

How to convert (geodetic pose + cartesian offset) to geodetic position

I am in search of an algorithm to solve the first/direct geodetic problem precisely in 3D. The input is: a geodetic (not geocentric) position (WGS84, height is above the WGS84 reference ellipsoid) ...
0
votes
1answer
518 views

I would like to convert trimble ssf format to shp format

I would like to convert a small amount of data from trimble ssf format to shp format for inclusion in an ArcGis database. I have been trying to do this for a few months and not success. I have a ...
4
votes
1answer
126 views

How to transform a set of street-segments into city-blocks, with PostGIS2?

Theoretically is possible to obtain the polygons of city blocks (urban blocks) from streets, when streets are represented by street axis (LineStrings). The urban blocks are bounded by streets, so ...
1
vote
0answers
52 views

How to convert MapXtreme workspace to GeoServer? [closed]

I need to convert a MapXtreme workspace into one for GeoServer. Suggestions for tools/process would be appreciated. Thanks!
2
votes
1answer
386 views

Convert from Geometry to SDE Binary storage type in SDE database

We have been battling performance issues between SQL 2012 and ArcGIS 10.1. One of the most common solution is to convert to SDE Binary storage. We know that this storage type is not as dynamic as the ...
1
vote
2answers
137 views

Saving a gml layer does not change coordinates

I am trying to export a gml layer to geojson with lat/lng as the preferred coordinate system. So what I did was a 'save as' on the layer with selected CRS: 'IGNF: WGS84G'. Now I was hoping it ...
0
votes
0answers
77 views

When doing table to table conversion, a text field gets converted to Blob type

I have one field that keeps getting converted to Blob type after conversion using table to table tool. The field is mostly text and fairly lengthy, maybe 250 ish characters. Is the length of the field ...
1
vote
0answers
36 views

Most efficient way of passing values from OGRGeometry to ModelField in geodjango

I am writing a custom parser that maps shapefile data to a geodjango model in a Django 1.6 project. To read the shapefile I use the DataSource object from django.contrib.gis.gdal, which provides ...
6
votes
1answer
598 views

How do I convert a .dxf to a .shp containing a field with height information in QGIS?

I received two .dxf for my project that represent my area of interest. One of them contains buildings, the other one terrain elevation. They both are 3D. I can convert them to shapefiles successfully ...
2
votes
4answers
2k views

Converting GDB to shapefiles in ArcGIS

So I'm attempting to convert a GDB database into a shapefile. I found the help for ArcGIS 10.1 (my version) and it tells me 2.On the main menu, click Customize > Toolbars > Production Mapping. But ...
4
votes
1answer
111 views

Convert linear polygons to lines

Hi I have some long linear polygons that I'd rather store as lines but I'm not sure how best to do this. Ideally I'd have a line goiung through the centre of the polygon lenthways. I have two ideas of ...
4
votes
3answers
2k 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 ...
1
vote
0answers
106 views

How to keep polygon from becoming polyline when converting polygon feature class to .dwg

Is it possible to convert a polygon feature class from a geodatabase to a CAD .dwg while keep the features as a polygon in AutoCAD? Currently the polygons appear only as polylines. I am currently ...
2
votes
1answer
109 views

Wrong values in Feature/Point to Raster

I've got an XY dataset that I'd like to convert to a raster, based on the ETrel_whol field. The ETrel_whole field includes NaNs and ranges from 0-1. I would like to convert this to a raster, with a ...
2
votes
1answer
34 views

Get coodinates from point shapefile

I converted a line shapefile to points as you can see in the attached image. Is there a way to know the coordinates of each point? Any help would be really appreciated! PD Im using QGIS 1.8.0
0
votes
0answers
134 views

Running OGR conversion to dxf within QGIS

I would like to automate a conversion process which converts a polygon vector dataset (either sqlite or shp) to a dxf using a named column as layer name for the dxf file. The column / layer name is ...
4
votes
0answers
126 views

Convert Graphics to Vector in QGIS

I am wondering if there is a way to convert a graphic produced from symbology in QGIS to a vector layer (ie: shapefile). I have a point layer with bearing direction in the attribute table. Following ...
2
votes
2answers
244 views

Error when looping Polygon to Raster with python through different fields ArcGIS 10

This is the first time I have posted a question on here so please have some patience! I've been trying to create a python script to loop through numerous shapefiles converting various fields to raster ...
4
votes
2answers
336 views

Convert Autocad blocks to ArcGIS symbols

Im trying to import Autocad blocks into ArcGIS. The polyline part of the symbols in these blocks i want to store as a symbol in ArcGIS. Some symbols i was more or less able to find in existing ...
1
vote
1answer
343 views

How to convert shapefile to KML file using ArcPy? [duplicate]

Python script that checks to see if a specific layer file exists in the current workspace and, if it does, converts the layer file to a KML file. Does it work with a shapefile? Code so far: for file ...
2
votes
4answers
560 views

QGIS Polygon precision

I have a fairly straightforward question; is there a way to edit the precision of polygon points in QGIS so that each coordinate has the same number of decimal places? For example, the coordinate ...
1
vote
0answers
63 views

Line features into polygon features

Can any one tell me how to convert line features into polygon features in ArcGIS. I am using ArcGIS 10. I searched the arc toolbox for any tools for this conversion, but I couldn't find any. Please ...
3
votes
3answers
907 views

QGIS - Convert Vector points to GPS waypoints and route

I'm new here. I have a shape file with a series of points (around 300) using British National Grid. I need to put them on my Garmin Etrex 10 as waypoints. Can someone tell me how to convert this ...
4
votes
2answers
839 views

Length of a degree: where do the terms in this formula come from?

Online calculators such as http://www.csgnetwork.com/degreelenllavcalc.html (view page source) use the below formulas to get meters per degree. I understand in general how distance per degree varies ...
0
votes
0answers
15 views

Read (old?) Trimble files into ArcGIS? [duplicate]

I have a number of files that I believe are from a Trimble GPS. The file extensions are: .cor .gic .gip .gis .giw .gix .obs .obx .SSF I need to be able to map the data in ArcGIS (these are old ...
0
votes
2answers
105 views

How to convert an IGeometryCollection into a Polyline

I am using the CostPathAsPolyline method which returns the Polyline as an IGeometryCollection. I now need to get this converted back into a polyline. But it seems to be more complex than just a ...
2
votes
1answer
107 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 Estadística y Geografía (INEGI). I found a converter online but somehow ...
2
votes
1answer
809 views

How can I export elevations from AutoCAD in a format that ArcMap can read?

I have elevations in Autocad, I can shift between a triangles, contours etc if it makes any difference. How can I export these into something I can use in Arcmap? I have tried the Make shape function ...
1
vote
1answer
99 views

Is it possible to convert a jpg file into lyr

I am a beginner with GIS 10.0. IS there any way to convert a jpg file into a layer? I am working on a problem that needs to have the entire map of my city as a layer but I just have a jpg file of the ...
2
votes
0answers
50 views

Problem converting KML file to .lyr [closed]

I have a problem in converting KML files into lyr ones with ArcGIS 10. I do all the steps perfectly but the conversion fails and the red check mark appears. It is surprising that when I repeat the ...
1
vote
2answers
994 views

Convert .asc format into shapefile

I've got some data from "http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp" and it is in *.asc form. To process them I need to convert them to shapefile (need to merge them all into one shapefile and ...
3
votes
2answers
229 views

Convert file with coordinates, keep record ID

I have the following sample data: 345 -515561.05 -1166540.03 456 -515542.01 -1166548.76 999 -515519.61 -1166552.19 789 -515505.29 -1166550.25 321 -515477.05 -1166546.82 201 -515431.12 -1166534.06 197 ...
1
vote
1answer
355 views

How to export a geojson file with correct order of coordinates?

I was testing rendering of data via GitHub in geojson format, because I wanted to use it for INSPIRE data. INSPIRE data are in GML 3.2.1 format. I've downloaded one of datasets from ...
1
vote
0answers
152 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 ...
3
votes
2answers
227 views

How do I export XY data from QGIS to shapefile?

How do I export XY data from a comma-delimited file to a shapefile using QGIS?
1
vote
0answers
150 views

Is there a free way to convert DGN v8i to… any other format?

(Update: We have postgis and ogr2ogr (etc.) but not any ESRI or Microstation software.) I just got DGN v8i files and I can't find any free way to convert them to... anything else. FME and AutoDWG ...
2
votes
1answer
301 views

Convert MineSight (*.msr) files to Shapefiles or Feature classes

How would I convert the Minesite(*.msr) files to Shapefiles. Minesite files are used in Minesite Software which is used for creating block models in 3D. Thanks in advance for your responses. ...
0
votes
1answer
355 views

Test of ORACLE DB functions converting lat-long to utm and mgrs with real data known to be correct?

I have rewritten some Delphi function to ORACLE DB functions for converting from lat-long to utm and mgrs. Anyone care to validate the output with real data they know is correct? package ...