Questions tagged [convert]

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

183 questions with no upvoted or accepted answers
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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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1answer
871 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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137 views

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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154 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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97 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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668 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. ...
3
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298 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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474 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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137 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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315 views

How to open HDF5 file on QGIS

I've acquired an extensive collection of HDF5 files of Net Ecosystem Exchange data with daily temporal resolution. It seems that QGIS cannot open the file type by just dragging and dropping (while ...
2
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1answer
125 views

Transforming lat/lon coordinates into an undescribed DATUM from NOAA .grib2 files

I seem to be having issues with converting coordinates. I'm currently working in Python v3.7 osgeo (ogr, osr, gdal) I want to find specific values (like temperature, wind, humidity) based on input ...
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43 views

Calculating Reflectance from Parrot Sequoia DN

I am dealing with the images of a Parrot Sequoia. I could not pre-process the images in Pix4d because I took single shots in different parts (so there are not overlapping images).. for me it is ...
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0answers
43 views

Copy multiple rasterfiles into geopackage

I have a folder with ~100+ raster images which covers my study area (the data comes in .ecw or .tiff, i have both at hand). How do i get them into one geopackage without having to go the export -> ...
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123 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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143 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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32 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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109 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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64 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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193 views

Creating tiled pyramidal TIFF from PNG tiles that are organized in slippy map?

I have map tiles (Z/X/Y) of a certain location which I serve via a simple web server and add on QGIS for offline usage via the XYZ Tile Layer from the Browse menu. These are to be used in a survey of ...
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0answers
50 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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230 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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0answers
478 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 ...
2
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1answer
696 views

PyProj - Transform coordinate in “HK80 grid” to “WGS 84 / UTM zone 49N or 49S”

Am trying to use python pyproj to do the above conversion (convert/transform from Hong Kong GRID to Hong Kong UTM), but am getting different values from the expected result. My expected conversion ...
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0answers
288 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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0answers
227 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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604 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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262 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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0answers
97 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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1answer
1k views

Converting XML to polyline shapefile?

I want to convert this XML file to a polyline shapefile. <?xml version="1.0" encoding="utf-8" standalone="yes"?> <ci nc="BMSKDMA10" nl="BMskDMA10" mt="6" ct="DM" dtt="17342" dtu="15/01/2016 ...
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0answers
717 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
704 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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0answers
885 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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0answers
245 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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0answers
228 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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0answers
346 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 ...
2
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0answers
108 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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0answers
173 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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0answers
401 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
244 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
401 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
460 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 ...
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0answers
723 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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0answers
375 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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0answers
27 views

Date format conversion brings an unexpected empty space between the date parts

I always used the formula (below) in Python Calculator to convert the date format from Julian to Gregorian format. But,now a weird behaviour is happening and I am trying to figure out what is wrong in ...
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0answers
47 views

How to convert GeoJSON points to H3 hexagons in Python

I am trying to take a geojson file of points and convert it to H3 hexagons in my Python script. In JavaScript, there is a separate package called geojson2h3, but the Python h3 module has a method ...
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50 views

KNMI MSGCPP geoview to WGS84

I would like to transform KNMI MSGCPP geoview netCDF file to WGS84 netCDF file with gdal_translation and gdalwarp. I got error msg. I shared the geoview netCDF file (140 MB): https://z001.s3....