Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [convert]

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

2
votes
0answers
39 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;...
3
votes
2answers
57 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, ...
1
vote
3answers
38 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 ...
0
votes
0answers
24 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 ...
0
votes
0answers
17 views

Convert Mapbox vector tiles to GeoJSON in browser

Although Mapbox's vt2geojson is fine for node use, I need to convert vector tiles to JSON in the browser. I haven't found a browser based solution for this. Is there one? Possibly the solution is ...
1
vote
0answers
35 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 ...
1
vote
1answer
31 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 ...
1
vote
1answer
69 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 ...
2
votes
2answers
111 views

How to rasterize ungridded XYZ (LiDAR) files?

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....
0
votes
0answers
22 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 ...
2
votes
0answers
34 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 ...
0
votes
0answers
22 views

Converting CorelDraw to AutoCAD?

I'm trying to convert cdr. (CorelDraw) to dxf. (AutoCad) for use in ArcMap, but new converted dxf file is not same as cdr. There is missing colors inside all polygons (polygons have only colored ...
3
votes
2answers
60 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 ...
0
votes
1answer
31 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 ...
0
votes
0answers
14 views

Convert MapInfo work to QGIS project file with symbology

When I load a MapInfo TAB file (for roads) into QGIS, everything works fine. But when I open the same file in MapInfo, the symbology is much more simpler and therefore have a more simple ...
1
vote
0answers
31 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 ...
0
votes
1answer
23 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, ...
1
vote
0answers
128 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 ...
1
vote
0answers
57 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 ...
0
votes
0answers
17 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 ...
2
votes
0answers
49 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 ...
1
vote
1answer
185 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
votes
1answer
94 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 "...
0
votes
1answer
32 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 ...
0
votes
1answer
45 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 ...
0
votes
1answer
40 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 ...
1
vote
0answers
16 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
votes
1answer
43 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
votes
1answer
47 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
votes
1answer
62 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 ...
1
vote
0answers
30 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 ...
1
vote
1answer
177 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?
1
vote
0answers
100 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
votes
0answers
76 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 "...
0
votes
0answers
23 views

How to make the background of an shapefile the vector layer? [duplicate]

So from another question I asked about show raster layer over background, I learned how to duplicate a shapefile and use the inverted polygons tool to make the land the vector layer. I am now ...
1
vote
1answer
109 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 ...
0
votes
0answers
44 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 ...
0
votes
0answers
48 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 ...
1
vote
0answers
81 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 ...
0
votes
1answer
27 views

Converting IMG to BIL/HRD/BLW?

I'm trying to convert IMG data from USGS's 1/9 arc second DEM to something that Pathloss 5 can read. Is there a way to do so?
0
votes
0answers
15 views

Converting GPS RMC speed?

I'm working with a GPS chip. When I receive the RMC data and I print the velocity I get values like this: 156 1336 83 298 ... I google it and I found this from here Speed over the ground in knots ...
1
vote
0answers
52 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 ...
1
vote
0answers
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 ...
1
vote
1answer
128 views

Converting GPX data stored in CSV into geography data type (WKB or WKT)?

I have a CSV that contains some data relating to hikes undertaken by various people. For each hike, there is an ID, max_elevation, length, start_time, end_time, and GPX field (along with some other ...
0
votes
1answer
40 views

Converting CSV with LineString into shapefile using ArcGIS Desktop?

I have a CSV which I've imported into ArcGIS Desktop, and it contains a Linestring column. How do I convert it into a shapefile? Example of what one of the fields contain below: [[51.53878768021,...
1
vote
1answer
102 views

How open database file *.SQLITEDB in QGIS? [closed]

how open file .sqlitedb in QGIS or ArcGIS? You can file convert? Database structure filesqlitedb is from DB Browser
0
votes
0answers
44 views

Vector data - .xml to CAD conversion

I have .xml file which involves geometry data I would like to convert into .dwg/.dgn/.shp file. File is written in Danish and I am not sure if that can be a problem. I am trying to use FME software ...
0
votes
0answers
40 views

No geometry when importing 3D building model GML into PostGIS

I'm attempting to import a GML file containing 3D building models into PostGIS using ogr2ogr. ogr2ogr -f PostgreSQL PG:"host=${hostname} port=${port} dbname=${db} \ user=${user} password=${...
2
votes
0answers
50 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....
2
votes
2answers
154 views

How to convert several 'point' data to 'line' data?

I am using QGIS V3.4. I have over 1000 data points situated between a start and finish point expressing the Depth of coverage (DOC) of a pipeline. I need to identify the places along the pipeline ...