Questions tagged [convert]

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

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1answer
188 views

Convert relative coordinates into absolute ones having only one absolute coordinate in QGIS

I have a layer of points with relative altimetric heights from a survey carried out with a Differential GPS. I know the absolute coordinates of only one point (EPSG:4326 WGS 84 ), the other points ...
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1answer
49 views

GDAL Convert Format with PROJ string

I would like to perform the following transformation in the GDAL Convert Format tool in QGIS: projinfo -s ETRF2000 -t ITRF2008 -o PROJ Candidate operations found: 1 --------------------------...
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1answer
74 views

Converting from DGN v7 to shapefile by GRASS plugin

I read two comments in several topics about conversion from DGN files to Esri shapefile Both of these comments are interesting for me, but I seek to have them explained in more detail. I have ...
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0answers
43 views

JP2 fail to be georeferenced in QGIS

I am a beginner user of QGIS with no background at coding and try to map an area on Mars. I use HiRISE images which are JP2 files, downloaded from UoA on HRSC images.(https://hirise-pds.lpl.arizona....
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1answer
219 views

Transformation problem WGS84 (EPSG:4328) and ETRS89 (EPSG:4258) in QGIS

I want to transform vector points from EPSG:4326 to EPSG:4258 and vice versa for survey application. Currently the difference between the two is about 70 cm in xy direction. Using QGIS to transform ...
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2answers
90 views

Convert image from one EPSG defined CRS to another

I've got a lot of image files (.png or .jpg) that I want to convert from one EPSG defined CRS system to another, e.g. from EPSG:31255 to EPSG:25833, on a server within a Java app. For each image I ...
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1answer
44 views

Mapping points in PRS92

I am assisting on a project in the Philippines to map some areas. I've been given a sheet the has points, but its unlike anything I've seen before and have no idea how to put it in a format that would ...
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1answer
146 views

System.ApplicationException: 'EPSG PCS/GCS code 4326 not found in EPSG support files. Is this a valid EPSG coordinate system?'

I have setup a consol app in C# that uses the GDAL.CORE NuGet, it seems to work fine when converting most of the .shp files I have, however with one .shp file I am getting the error below: System....
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2answers
44 views

NodeJs library to convert ESRI point(x, y, wkid) to lat/lng

I use ArcGIS and get an array of ESRI points which I need to convert to lat/lng. I don't want to use the ArcGIS API, because it requires too many calls. Is there any library that can do the work for ...
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1answer
61 views

Keep raster data in original projection and just display it using a new transformation (at the poles) in R vs ArcMap

Desired output: Raster with original characteristics but in transformed projection using R (I.e. See second paragraph here.). NB, I need to do this for 100s of different rasters. You can achieve this ...
2
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1answer
60 views

If converting .xyz to .las using e.g. laspy, then how to specify offset and scale?

I have data from Lidar in .xyz format. I read that it could be beneficial to convert it to .las. So that one can use e.g. laspy -library. For example (code copied from an example): import laspy ...
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1answer
38 views

Using gdal_translate to round pixel values in raster - I'm getting an error

I tried to follow along at question: Rounding raster pixel values to one decimal place in QGIS but my python script throws a syntax error at GTiff. I do have one that works for ArcGIS but my end ...
2
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1answer
39 views

Custom on-the-fly conversion into shapefiles

I have a custom binary format, for which I run an external program to output a set of .shp files, which then can be dragged and dropped into QGIS. What would be the best way of pushing this into ...
2
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1answer
149 views

Exporting a polygon shapefile to GeoJSON with the longitude and latitude switched to latitude and longitude

I want to integrate the GeoJSON of a shapefile into React.js to display it as an interactive map with OpenStreetMap used in the background as a tiled image. I have used QGIS to export the shapefile ...
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0answers
45 views

Converting “ALOS PALSAR” DEM to EGM96 vertical system using ArcGIS Desktop

I have downloaded "ALOS PALSAR" DEM from NASA's EOSDIS. Can you help me to convert the high-res DEM to EGM96 (like SRTM data)? I have used ArcGIS Desktop 10.7 edition but it does not work correctly. ...
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2answers
178 views

Error trying to upload data using Mapbox API

I'm using the Mapbox API and I'm trying to upload my GeoJSON but I'm getting the following error: bounds west value must be between -360 and 360 My GeoJSON looks like this: {"type":"...
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1answer
106 views

QGIS: No easy way to change .csv columns to integers?

I am trying to make a heat map of every town in my state. After joining my data (a .csv) to the shapefile, the column I need to map is not visible on the graduated color option under Symbology. I ...
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0answers
45 views

How to convert ITRF to ITRF

ITRF 96 1998.0 epoch X Y Z Vx(m/y) Vy(m/y) Vz(m/y) 4059623.25 2764405.93 4056720.43 -0.0079 -0.0007 0.0132 Transformation parameters from ITRF1996 to ...
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1answer
153 views

X/Y Coordinates to Longitude/Latitude, package for .net core app [closed]

I have a task to convert some incoming geo data to Longitude/Latitude. The data elements in the json are identified as xCoordinate and yCoordinate. However, the data in my sample does not look like ...
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0answers
217 views

Python/PyQGIS - Count from Image corner using pixel x y to create x y coordinates

I have an output from a model which provides me with .txt file containing pixel X Y values. What I need to do is convert them to a set of coordinates (Irish grid, 29902). The images feed into the ...
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0answers
41 views

Can't display XY data in MXD on ArcGIS Desktop- onEnable error

When using Display XY data function on imported excel into MXD I get this error: and if I click on "ok" then I get this message: and the MXD get stuck and I must shut down the ArcGIS program. I know ...
9
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1answer
268 views

Creating vector (with lines/polygons) from raster based on paper map in QGIS

For a task I have several maps created with GIS that look like the following: I am mainly interested in the colored zones that aren't roads (red) or rivers (blue) and would like to turn these into ...
3
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1answer
173 views

QGIS convert pixel location

Is it possible to convert a list of pixel locations (txt file) into lat long? What I have is: (left_x: 137 top_y: 146) (left_x: 175 top_y: 236) (left_x: 182 top_y: 153) (left_x: 185 ...
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1answer
76 views

Adding tags in Overpass QL

I am trying to add a custom tag to everything in my Overpass query. As far as I understand this can be achieved with convert. But so far, this kind of statement: convert way ::id=id(), :...
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1answer
328 views

Python script for converting Esri shapefile into GeoJSON using Python and GDAL/OGR?

I know Esri shapefile can be converted into GeoJSON using Python and GDAL/OGR. Following command works on the terminal. ogr2ogr -f GeoJSON -t_srs crs:84 outfile.geojson inputfile.shp I want to do ...
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1answer
47 views

Converting Road shapefile with line geometries to another shapefile with polygon geometries by adding buffer to line on both sides using QGIS

I have Roads shapefile which are denoted by lines. I want to create another shapefile of roads as polygons, by adding 10-meter buffer on line. How do I do this using QGIS?
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20 views

Create Geotiff from JPEG or PNG [duplicate]

I'm working on creating maps using Cesium. Now my client needs to export the viewport map to an image. I'm already exporting to PNG/JPEG but now I need to create a GeoTiff. Is there any way to ...
2
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1answer
95 views

Transforming CAD File To shapefile (with Projection) Using FME Batch File

I want to convert files from within my application. I've tried a lot, but I can't find a solution. I have a DXF file with which I know the projection system (EPSG:4326). And I want to transform it to ...
2
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0answers
35 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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1answer
40 views

Finding unconnected polylines and connecting them using QGIS?

I have a pipeline network, during manual digitization have a lot pipes unconnect. Is there any way to find pipes unconnect and edit it in QGIS?
4
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2answers
2k views

Converting large data with lat and long into X and Y?

I have 9888562 records in dataframe and I would like to convert my lat, long to UTM x,y. according to my code, I have used pyproj package but because my data are too much it takes a long time and ...
1
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1answer
140 views

Java - Conversion from NAD27 to WGS84

I'm in the process of adding automatic CRS conversion to a Spark application and running into some problems with the implementation. Each row in a dataframe that is being converted will contain ...
2
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0answers
39 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 -> ...
0
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1answer
179 views

Converting XY coordinates in the Iberian peninsulate to lat, lon?

I have been looking for a way to convert XY coordinates (from a coordinate system based on ETRS89) to latitude and longitude coordinates. So far I have this function: from pyproj import Proj, ...
2
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4answers
327 views

Convert shapefile to KML

I have one big layer which contains many polygons. This layer is a shapefile and I want to convert it to be many layers, each layer containing one polygon, and those polygon layers should be saved as ...
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0answers
42 views

Converting .ers raster to .shp?

I am trying to convert .ers-raster into shapefile using ERDAS. It keeps saying "input must be thematic". Any solutions to this or any other method by which I can convert .ers raster into shapefile, ...
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0answers
45 views

Loading a georeferenced GIF with an OziExplorer Map Data File into a Garmin GNSS receiver?

I have a map as a Graphics Interchange Format (GIF) file and an associated American Standard Code for Information Interchange (ASCII) file which has a .map extension. The content of the ASCII file ...
2
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1answer
65 views

Converting tabular data with multiline string field using FME?

I have data in a table. One of the fields has pairs of coordinates. The coordinate pairs represent a point and the points joined in order to represent a line. The number of coordinate pairs varies. ...
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0answers
30 views

When re-saving a GeoJSON file to a shapefile, the .dbf significantly increases in size

When re-saving a GeoJSON file to a shapefile, the .dbf significantly increases in size to the point where the file size becomes unmanageable. For example, I re-saved a 250 MB GeoJSON file to ...
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1answer
72 views

Extracting vector information from a .dwg file into a QGIS environment?

I have a few CAD files in the .dwg format and I am trying to extract the data into a QGIS environment. The CAD files have a large number of different layers that represent different types of assets eg....
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0answers
27 views

Raster Transformation from NAVD88 to NGVD29 - is it possible?

Using ArcMap 10.5.1 and I do not see an option to transform vertically a raster FROM NAVD88 to NGVD29. I do see the reverse, but not what I'm looking for. Any ideas?
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0answers
192 views

Convert WGS 84 Coordinates to Arc 1950 coordinates

How can I convert WGS 84 coordinates to [Arc 1950][35s] coordinates? e.g S12.14127 E25.96643 S12.23535 E25.90588 S12.23535 E25.90588 S12.23859 E25.79461 S12.27073 E25.66638
2
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1answer
123 views

Convert WKT to image [closed]

Is there any way to convert WKT like MULTILINESTRING ((48.8744070530328 34.71707055692468, 49.127092599907755 34.72892221300337, 48.89363312725153 34.70987407974113, 48.93002533916562 34....
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0answers
68 views

Converting from EPSG 25833 to WGS 4326 using QGIS? [duplicate]

I have a layer of Brandenburg (Germany) in EPSG 25833 which I want to tranfrom to EPSG 4326. Similar to this answer to Transforming shapefile to WGS:84 (EPSG: 4326) in QGIS?, I set the CRS to EPSG ...
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0answers
550 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 }, { "...
2
votes
2answers
413 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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0answers
54 views

Transform UTM 33 N to ETRS 89 ( epoch 2018.5)

I'm asked to convert coordinates from the WGS 84 UTM 33N system to the ETRS89 with epoch 2018.5. So from a projected to a geographic system. I have no idea how to start with this. I know UTM = ETRS ...
0
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1answer
62 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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0answers
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 ...
3
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1answer
141 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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