Questions tagged [convert]

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

163 questions with no upvoted or accepted answers
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Lat/Long Format and Conversion

I have downloaded data in a .mif file format and I was having issues overlaying it in QGIS. I checked the attribute table and the latitude and longitude were showing as below, this is one line from ...
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108 views

Tool for merging OSM and Google route data

I'm using google API in order to solve a routing problem; by giving it points of source and destination and demanding the route. Now I want to project the route on an OSM map. Is there any tools to ...
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1answer
228 views

How to keep attribute data while converting XML file to shapefile in QGIS?

I want a map of particular area in ".shp" format from Google Earth. I created a map using polygon method and save it as KML file format. But when I convert it from ".xml" to "shapefile" format using ...
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616 views

WMTS, compute of coordinates

for someone skilled, I'm sure this will be piece of cake. I'm starting implementing WMTS into own application and even that I already use WMS for years, I have some troubles with understanding WMTS. ...
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288 views

Using Field Calculator to Convert Data Type In Field

I am trying to convert a field that is listed as "String" because it was imported into QGIS as a CSV (rural poverty population percentages by county in NC). I need to convert the percentages field ...
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2k 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 ...
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456 views

How to convert shapefile to mapinfo file preserving special characters?

I have to convert a bunch of shapefiles to mapinfo files on a machine without a MapInfo license, so I am using ogr2ogr to perform this task. The problem is that when opening the mapinfo files in ...
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131 views

How to convert from Navit to PostGIS or shapefile?

I have a Navit BIN file which I want to use in PostGIS or QGIS, so I need to import it to PostGIS or convert it to a shapefile. I have found a lot of information on how to convert data TO the Navit ...
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111 views

Determine the Degree of Data Lossiness when Converting Data

I'm working through some of the ESRI tutorials on Data Interoperability and it briefly mentions the issue of data conversion being a lossy process. Some questions that come to mind are: What is ...
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49 views

Conversion to_string provides NULL in QGIS

I've been trying to convert a decimal row into a string row using a few methods. Below is my CSV file: also, note that csv header has been updated too, State;AverageRainfall;ProbabilityBelow;...
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35 views

Is it possible to merge two polygons with a single touching point into one?

Is my understanding correct, namely that two polygons touching at a common point cannot be merged because the result would be a self-intersecting polygon? I know there are dozens of Q&A threads ...
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31 views

QGIS: Copy all attributes of polyline layer when converting it to point layer

I want to add attributes from a polyline layer to a vector point layer. The polyline is railway network. It has been divided into segments automatically, where as the attributes apply for each ...
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78 views

Inverting shapefile in QGIS 2.18?

I asked a question earlier about how to invert my file "hydropolys.shp" from a vector of ocean and seas to a vector of land and got sent to here, but I am experiencing issues where using the "...
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51 views

Converting .gri to topojson

I am making client-end javascript-powered maps in the context of web development. I am not using gdal, which I gather is a special kind of rendering software. Data source site: http://www.diva-gis....
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1answer
54 views

Conversion of CSV to DBF is getting error message, why?

My code import arcpy, os, shutil, re from arcpy import env arcpy.env.workspace = "R:\GIS_Data\Earthquake_Data\Updates\Eq_updates.mdb" path = r"R:\GIS_Data\Earthquake_Data\Updates" In_path = r"R:\...
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40 views

Unknown coordinate system from web API

I'm trying to figure out (and eventually convert to WGS) projection system of coordinates I get from one web API service. As an example - lat, long = 71804125, 180232666 is a point in Cracow, Poland. ...
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1answer
574 views

QGIS 3.0.3 python error “/bin/sh: gdal_polygonize.py: command not found”

I have recently downloaded QGIS on my Mac to preform an analysis for my dissertation. I am trying to convert my raster data to polygon data using the gdal_polygonize.py tool provided by QGIS. ...
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145 views

How to convert Esri Compact Cache to other format? (mbtiles, et.c.)

I need to convert Esri Compact Cache-files to a "better" (a more open & common) format. Ideally I would like to convert to mbtiles or just 'tiles on disk'. What software can perform this ...
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277 views

Convert .osm.pbf file to a raster (tif, asc or rst)

I downloaded the .osb.pbf file for my country, and I want to import it into Graphab. To import it, I need to have a raster file as the documentation file mentions: The second window is for ...
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239 views

Convert node data to lat/ long > DBF to CSV conversion

I have a DBF table with nodal data locating cycle injuries in Portland, OR. I'd like to convert the table to a .CSV. Transferring the attribute data isn't a problem, but I'd like to get lat/long ...
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78 views

Converting Mars Global DTM to Spherical Mesh

I am working on a video game that is attempting to provide a semi-realistic model of Mars. My starting point has been to find and use reliable geographic information to create the "model" of Mars. I ...
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171 views

Export DXF from QGIS; points' metadata as text element

I have a layer (Esri shapefile) which has points in it. Each point has 'property identifier' as metadata. (Boundaries and boundary markers are in different layers / files.) In QGIS I changed the ...
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463 views

How to convert degree 2 utm in mysql?

This is my solution - I needed this as function, to use it in select-statement: CREATE DEFINER=`root`@`localhost` FUNCTION `deg2utm`(`lat` FLOAT, `lng` FLOAT, `utmzone` INT) RETURNS text CHARSET ...
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198 views

QGIS Lost precision when converting raster to vector

I am after running ordinary kriging, converting raster to vector I lose decimal value and only get whole number. I have added first the raster then the vector image.
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80 views

Converting u and v from WGS84 to NZTM2000 - Do I need to do vector conversion?

I have u and v wind component values in latitude and longitude in WGS84. I want to convert this to NZTM2000. I've converted the lat/lon in ArcView - (and will try in R) - but do I need to also do some ...
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566 views

Converting UTM to Lat Long inside a Game Engine(Untiy 3d)

This is my first post on Stack Exchange. I have exhausted my research through the game engine forums, so I am trying this forum since you guys seem to be the experts. I have an external device that ...
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0answers
2k views

Convert TIFF to GeoTIFF

I have a TIFF created from a pdf using GIMP2. The co-ordinate pairs for the extents are shown in the TIFF. I need to convert this TIFF to a GeoTiff and ultimately to a shpfile. The CRS is known.
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0answers
663 views

ATS77 MTM 5 to NAD83 CSRS UTM 20N Coordinate Converter?

I've been looking for a simple way to check the accuracy of my transformation using a set of coordinates for a single point but have been unable to find an online tool or piece of desktop software ...
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831 views

Converting local XYZ to geographic coordinates

I am working with a computer program called PEP for Windows by Airbus, which is able to calculate exact flight paths of an aircraft, based on many inputs like weight, temperature, wind, etc. The ...
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223 views

Software that converts from legal description text?

Is there software that takes legal description text as input for conversion to some computer friendly GIS format? For example: Those portions of the North Half of the Southeast Quarter and the ...
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188 views

Converting GML to Geodatabase format by using Productivity Suite software

I am using ArcGIS Desktop 10.2 version and would like to import MasterMap Integrated Transport Network from Digimap to ArcGIS, So I was following the steps: Install Productivity Suites v 3.4.1 ...
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328 views

Conversion of Polygon vector files to Raster GRID 8 bit unsigned integer

I am trying to convert a polygon shapefile layer into Raster GRID with 8 bits and which is unsigned integer. I managed to convert the shapefile in ArcGIS with the Arc Toolbox Conversion tools, but the ...
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105 views

Subtracted 2 DTM layers to find the height of trees but all we have is the pixel values, can I convert this to height?

For a piece of coursework we have an aster layer that captures the tops of trees and a panorama layer that sees ground height (both are raster) so we have subtracted one from the other to get tree ...
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154 views

Converting pre-ADF coverages to current shapefiles?

I have a set of old coverage files, published at 1995-1996 in a CDROM by an official mapping authority. They were, therefore, made with ArcView 1.x and don't have the ".adf" extension. The files that ...
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356 views

What is causing invalid spatial reference error using ogr2ogr converting PostGIS to FileGDB in a Feature Dataset?

I am trying to use ogr2ogr to convert a layer from PostGIS to a FileGDB. I want the layer to be created inside a Feature Dataset. The spatial reference of the source layer is EPSG:3500. The spatial ...
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0answers
236 views

How to import and display a road network in XML to ArcGis?

I am trying to convert xml data to shapefile features using ArcGis 10.1. Im using the open source SUMO traffic simulation software. Part of the model process is to convert OpenStreetMap road network ...
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0answers
1k views

How to convert shapefiles into ascii grid .asc in QGIS?

I downloaded multiple zips that cover a small island from the Rhode Island Geographic Information System webpage, specifically the geographic files that make up Block Island. Here's the source: http:/...
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0answers
369 views

Converting KML To Layer using ArcPy losing objects?

I am trying to a convert kml file to a layer using python. This is my code: import arcpy arcpy.KMLToLayer_conversion('C:\kml\\result.kml', 'C:\kml', 'result') But the layer has lost a lot of ...
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0answers
458 views

Input a KML file dynamically into MapServer without losing attributes?

Is there any possibility for MapServer (I'm running v6.2.1) to process the features / styles from a KML file dynamically? I tried STYLEITEM "AUTO" but it turned out to work only for *.dgn and *.tab ...
2
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1answer
512 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 ...
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0answers
631 views

Best method to convert CSV file of lat/lon and depth data to bathymetry polygon?

I'm trying to create bathymetry polygons based on lat/long and depth data. I have tried several methods and the resulting polygons are clunky. Make XY Event Layer-->Copy Features--> Project--> ...
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349 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 ...
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1answer
45 views

Python: Convert shapefile to GeoJSON whilst stripping and renaming fields

I'm writing a Python script to convert shapefiles into GeoJSONs but I would like to remove many of the fields as they are redundant and rename the ones I am retaining. Here's an extract of where I ...
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36 views

Non-Earth System in QGIS?

What I need is a function for Non Earth Coordinates in QGIS (both projects and layers). They should be mappable to any projected coordinate system (like SWEREF99TM). Why: In the Mining industry we ...
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0answers
157 views

How to calculate OSM WGS84 Lat and Lon to meters in C++?

Summary I am converting OSM coordinates into X and Y values with accurate distances in meters between all points using c++. The calculations/code I am using is resulting in an incorrect ratio/scale ...
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58 views

Any conversion calculations for WGS84 to EPSG:27700?

I'm trying to get some OSM data to overlay correctly over Lidar data. The OSM data according to their wiki is WGS84. The lidar is [EPSG:27700][1]. So as you can imagine they don't line up/overlay ...
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17 views

Editing attributes in ArcMap causes conversion of arcs to densified lines unintentionally

I am using postgresql GDB for storing and managing polyline feature classes through arcmap but when I create arc feature along with filling any attributes the arc is being converted to a densified ...
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0answers
103 views

Easy way in PyQGIS to convert a distance from meters to coordinates?

I am attempting to clip DEM rasters (USGS, in WGS 84) into a set of tiles measuring 2.56km on a side, in QGIS, using python. So far, it appears that gdal_translate is working for me, using a ...
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56 views

Wrong Z values using gdal2xyz in QGIS

I have a DEM .tif data. I am trying to convert it with gdal2xyz to ASCII data. The result is always wrong. X and Y values are correct but Z value is wrong. On the next image below, you can see the ...
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8 views

Converting RFT legend template into a LYR-file for ArcGIS Desktop 10.x

I have access to an ArcGIS Server 10.5 Mosaic-service which has a colour-ramp symbology created from an RTF-template. I need to show the legend in ArcGIS but the mosaic is symbolised in the table of ...