Questions tagged [convert]

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

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562 views

Convert SHP to JSON

I need to convert shapefile to JSON in the following data structure.How can I do this? { "field": [ { "latitude": 52.8812385372, "longitude": 6.9287692025 }, { "...
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2answers
426 views

Converting GOES x,y coordinates from a 2D fixed grid into latitude and longitude

I am working with some GOES data in Python and I want to grab latitude/longitude coordinates from the data. GOES' stores their projection data in radians under x,y variables that are used to project ...
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1answer
63 views

Converting from Washington State Plane Coordinates to Web Mercator? [closed]

I received coordinate data in Washington State Plane: EPSG:14602. I need to convert this to EPSG: 3857, aka Web Mercator. I'm using Javascript. Here's what I've tried so far: Using OpenLayers: ol....
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75 views

Daily averages in local time from UTC

It has been almost 2 weeks since I started getting familiar with netCDF files and operators (NCO) and climate data operators (cdo) and I am not an experienced programmer. I have a folder which ...
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1answer
146 views

Converting Lat Long CSV file to meters using ArcGIS Desktop?

I have a large file in a CSV or excel format and want to convert the Lat longs into Northings and Eastings in order to then put them into ArcGIS Desktop and convert those Northings and Eastings into a ...
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1answer
257 views

Converting Degrees Minutes Seconds to Decimal Degrees for coordinates?

I have a list of coordinates I'm trying to put into a csv and then convert to points in ArcMap. I tried converting them to decimal degrees because at first they appear to be in DMS. When I plotted the ...
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1answer
252 views

Converting Northing and Easting to Lat and lon using QGIS

I have a shapefile and I want to export it to a CSV file, with the difference, that I want it to have Lat and Lon instead or in addition to the easting and northing columns. I've tried changing the ...
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0answers
85 views

How to specify file format of Split Vector Layer in QGIS [duplicate]

I'm attempting to use the Split Vector Layer tool in QGIS (see screenshot below) in order to separate a larger shapefile into its constituent components by object ID. The tool accomplishes this ...
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2answers
195 views

Convert a tab (Mapinfo) file to ESRI Shapefile with ogr2ogr

I want to convert a tab file created with MapInfo to an ESRI Shapefile (.shp) using ogr2ogr in command line. I did the following ogr2ogr -f 'ESRI Shapefile' "file.shp" "file.tab" but it gives an ...
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38 views

Retaining co-ordinate values with 6 significant figures when converting shapefile into Excel spreadsheet?

Using ArcGIS-desktop, I converted a shapefile, into an Excel table through the conversion tool Table to Excel, however my co-ordinates previously were specific to the 1x10-6 (i.e. 9.078627) but in the ...
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0answers
148 views

Converting historic map data (raster) into polygon format? [closed]

How do I convert historical buildings from map data (raster) into a polygon format? The historic maps that I am referencing are the Sanborn Fire Insurance Maps. Here is the link to an example in case ...
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1answer
58 views

Converting single line into polygon plane in QGIS?

Is there a way to convert a line or multiple lines into polygon? I have a feature attribute as with, and the line represents the road. I want to convert every route into a polygon plane that somewhat ...
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2answers
685 views

Convert GeoJSON directly to geodatabase

I'm looking for a way to convert a GeoJSON File (from overpass-turbo.eu) directly into a Feature Class in an Esri geodatabase. Normally I'm doing this by loading the GeoJSON into QGIS, Export it to a ...
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2answers
139 views

Need a specific field in FME KMZ to shapefile conversion

I am converting a KMZ to shapefile and need to see a field called "Type Name", but it is not in any of the shapefiles' attribute tables. I have every name exposed in Format Attributes in the Reader ...
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0answers
44 views

Convert KAP files

I've got some .KAP files which are missing spatial data and as such, I cannot convert them into something more useful like a .TIF image. I've been using FME which errors on these files with "Failed to ...
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0answers
116 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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2answers
386 views

QGIS - Convert a text field to a clickable hyperlink, hotlink, or URL?

Just starting out learning QGIS, on version 3.6.3 Windows 64 bit. I have imported some data into QGIS. When I click the parcel I would like for the "WIC" field attribute to be a clickable hyperlink, ...
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3answers
677 views

Error in Converting XY Coordinates to Lat-Long Using r proj4 Library

I am trying to write a script that will allow my colleagues to easily convert XY coordinates into lat and long. The idea here is to take a spreadsheet with only X and Y available and create a new ...
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47 views

How can I convert a MULTILINESTRING geodatabase file into a coordinate system with lat / long for individual points in a CSV file?

I have tried ogr2ogr, and QGIS but nothing seems to work for converting a MULTILINESTRING into individual lat/long coordinates. I am doing this in order to get it into a flat file so I can rearrange ...
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0answers
1k views

Converting vector in NED to ECEF? [closed]

I have a geodetic WGS84 position, lat, lon, alt, and direction cosines from the same point, uN, uE, uD. I'm brand new to geodetic/ecef conventions. How do I take a vector (say, a unit vector with ...
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1answer
97 views

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 ...
1
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1answer
91 views

How to convert a jpeg map of borders into a shapefile?

I have a map of French departments from the 19th century (impossible to find in shapefile format) in jpeg format and I would like to convert it into a shapefile in order to regroup raster data and ...
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2answers
1k views

Rasterizing ungridded XYZ (LiDAR) files? [closed]

I have a large set of ungridded xyz text files (LiDAR point cloud) and want to export them to any raster format (tiff, asc, gridded xyz...) for further GIS processing. The source: https://www....
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32 views

Error in points or military academy dataset?

I travel regularly to sites around Vietnam reported in declassified Australian military documents. All grid coordinates are reported in abbreviated MGRS and are usually quite accurate. In recent ...
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0answers
134 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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2answers
594 views

Extracting desired values from KML file using QGIS?

I have a kml file of roads that I would like to convert into a shapefile using QGIS, I understand that this should be a straightforward task however I am running into the issue of extracting necessary ...
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1answer
178 views

How do I convert an Est file to a shapefile?

I need help converting an Est(Streets and Trips) file to shapefile or some other format that ArcGIS can read. I haven't been able to find any luck using Google and my go to program Alteryx can't read ...
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0answers
121 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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1answer
32 views

Degrees Minutes delimited Seconds conversion

How do you handle delimited seconds? I can find a bunch of stuff on converting degrees minutes seconds. That is easy enough. My question is what about when there is a 4th set of numbers for example, ...
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0answers
667 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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82 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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1answer
156 views

.tif to PCraster format conversion in QGIS 3.2

I am using QGIS 3.2 and trying to convert a resampled .tif file into PCRaster format which is used for a downstream model. Unfortunately when i try to export the resampled.tif file into PCRaster ...
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0answers
163 views

Stereographic projection of WGS84 ellipsoid [closed]

According to this source, an optimal projection for small, roughly square areas is the stereographic projection. The wikipedia page of the stereographic projection shows how to convert from spherical ...
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2answers
2k views

Latitude and longitude values in Google Takeout location history data sometimes out of range

I've exported my geolocation history data as a JSON from Google Takeout and the latitude/longitude values are out of normal range sometimes. It seems to happen for some locations only, while others ...
3
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1answer
875 views

SVY and QDC files from Quickdraw Contours in QGIS

I am trying to view data collected from a Garmin sonar unit in QGIS. The data on the Fishfinder shows or creates the contours but I can't seem to find a way to convert it to a format that QGIS can "...
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1answer
122 views

CAD data not overlaying in ArcGIS, but has correct coordinates in AutoCAD

I received a set of drawings that were drawn in millimetres but in the correct coordinate system; I use GDA94 with my coordinates in metres, so this should theoretically be a simple fix using my usual ...
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2answers
119 views

Trying to convert latitude longitude values in UJIIndoorLoc dataset to degrees

I'm trying to convert the latitude and longitude values in UJIIndoorLoc dataset to degrees. The paper mentions that the data is in UTM from WGS84. Here is an example of the values given: LATITUDE: ...
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1answer
120 views

Convert EPSG:2263 LiDAR data to EPSG:4326 to use with FSX

I have LiDAR (las) input files in EPSG:2263 (NAD83, NY state plane, feet_US) aquired from https://gis.ny.gov/elevation/ and want to convert those file to EPSG:4326 (WGS84) for use in MS Flight ...
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1answer
207 views

Convert a .png file to a GeoTIFF while knowing the boundings

Disclaimer: I've already found this link Convert PNG to GeoTiff using GDAL - but it was of no help. Actually I've got a .png file of a hand-drawn map (I also got it in the .svg format in case this ...
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0answers
43 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 ...
2
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1answer
80 views

Altitude differences in different CRS

Currently I am working on a project in Kosovo. After gaining autonomy the country "invented" their own CRS, which is driving me crazy sometimes. It doesn't even have an EPSG-Code, it goes by "Kosova ...
3
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1answer
158 views

Issue converting CSV files to point shapefiles using pyqgis - QGIS 3

I have hit a snag using pyqgis in QGIS 3. I want to convert a set of CSVs (20 total) into point shapefiles but I am struggling with just the single CSV case. My code is based on this blogpost (https://...
3
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1answer
196 views

Procedure of transforming coordinates?

I'm trying to understand the math behind this transformation. I should note that I've been able to perform the transformation using GeoPandas, but I'd like to understand what is going on under the ...
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0answers
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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1answer
1k views

Converting .ply files to .las for ArcGIS input?

I'm trying to open a .ply file (point cloud in ArcGIS Desktop and ArcGIS Pro), but I can't. How can I convert the .ply file to .las, or open .ply in ArcGIS Desktop or ArcGIS Pro?
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0answers
227 views

Drawing longest polyline within polygon? [closed]

I am looking for a GIS tool/script (preference on QGIS but I can also use ArcGIS/Matlab) that allows creating a polyline layer from a polygon layer where a polyline is drawn for each polygon. The ...
2
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0answers
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 "...
1
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1answer
236 views

Convert to geospatial PDF issue

I just installed QGIS 3.6 on a new Macbook pro running Mojave, and I'm trying to produce geospatial PDFs of some basic maps of property boundaries overlaid onto aerial imagery base maps to use in ...
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0answers
64 views

KML (with no data/feature) to shapefile

I have a .kml file and it opens on my Google Earth Pro. When I tried converting it through ArcMap it didn't work, an error occurred saying it had no data. On further googling about it, I understand ...
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0answers
146 views

Why is my DEM raster (.tif) not converting to TIN (Gives “Error 999999” instead)

I am working with a DEM raster file (.tif) which I am trying to convert into a TIN. However it won't let me do this and instead I get the following "ERROR 999999: Something unexpected caused the tool ...

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