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Questions tagged [convert]

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

2
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1answer
33 views

Converting lat,lon to x,y coordinates with pyproj

I am trying to convert lat,lon to x,y coordinates in France, using the pyproj library and what I am doing is obviously wrong. Here is some of my code: import pyproj import math PROJ='+proj=utm +...
0
votes
1answer
17 views

Using dBase table converted from CSV to Make Route Event Layer?

I'm using the tool 'Make Route Event Layer' and I need to use a dBase table for the event table, but the data are saved in a CSV file. When I try with dBase table that I created myself all go good, ...
0
votes
0answers
12 views

Is there any way to convert lowrance .at5 to csv or any other readable form from genesismaps

I come to know that there are a lot of freely available lake bathymetry data in https://www.genesismaps.com/ I'm able to download those data in .at5 format. But I would like to have them with x y ...
1
vote
1answer
116 views

Automating conversion from .SHP to .GPX for thousands of shapefiles?

I am looking for a way to automate conversion from .Shp to .Gpx. I know how to save a shapefile into gpx in a layer, but it would take too much time to do 1 by 1 as we might receive thousands of ...
0
votes
0answers
16 views

MODIS Sinusoidal grid tile index for specific lat/long

I understand how to get which tile the lat/long falls within. However, one I have the correct tile (by using https://landweb.modaps.eosdis.nasa.gov/cgi-bin/developer/tilemap.cgi) I am confused as to ...
0
votes
1answer
50 views

Convert shapefile > 4 GB to ESRI Geodatabase

I have 2 large shapefiles > 4 GB and 2 GB, is it possible using QGIS or ArcGIS to convert this to an ESRI Geodatabase so I can work with the data? I have ArcGIS Advanced License 10.5.1 and QGIS 3.2. ...
0
votes
0answers
18 views

Convert features to graphics, map gets full with red squares?

I'm using ArcGIS Desktop 10.4 to create some simple maps. I need to display for some cities a specific data that will be displayed as a small circle, nothing complicated. Now, the circles are ...
0
votes
2answers
34 views

Getting dates from an attribute table

I'm using the following to get a list of dates in a field called "EFF_DATE" from an attribute table for some pre-selected features. selectDates = [row[0] for row in arcpy.da.SearchCursor(selects, "...
0
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0answers
50 views

Best geographic coordinate system to convert continental US lat lng to x,y using PyProj?

I have a list of lat, long coordinate pairs (all within the continental US). I am looking to use PyProj to convert them from lat, long to x, y coordinates. Looking at this example, I see a working ...
1
vote
0answers
61 views

Mismatch between coordinates systems when converting from x, y -> lat long

UPDATE THIS HAS BEEN RESOLVED, THE ISSUES WERE RELATED TO THE WRONG CONVERSION OF NDSFutility JS Code into Java I have a building's footprint which I extract from an IFC file: https://www.iso.org/...
0
votes
0answers
31 views

Converting from ESRI Shapefile to Aircom Asset data format

I've shapefile contains vector layer of 3D buildings with their Z values. I'm looking for help to convert this file to AIRCOM International’s ENTERPRISE format. The aim is to use converted vector ...
3
votes
3answers
185 views

Converting CSV (polygon coordinates) to polygon feature class (shapefile)?

I have a CSV table as following : ID;POLYGON 1;(-7.59443,33.55933):(-7.59416,33.55937):(-7.59414,33.55922) 2;(-7.58361,33.56655):(-7.58148,33.56655):(-7.58148,33.56486):(-7.58361,33.56486) The ...
1
vote
2answers
64 views

Convert Raster to vector - create polygons based on each pixel

I want to convert a raster file (100x100m pixel size) which contains population counts as pixel values. I need a vector based file of the 100x100m grids and the population as attributes. I tried ...
1
vote
0answers
22 views

Conversion of Text layers to vector 'Line' Feature Class

Is there a way to convert Text or Labels to Vectors within Geomedia or utilize the Publish to KML and convert using Google Earth? I do not have Adobe Illustrator installed here to 'Create Outlines', ...
0
votes
0answers
31 views

Trying to convert shp to GeoJSON using docker and unable to open datasource

I am a novice of the GDAL module. I was trying to convert shapefiles to GeoJSON files using docker. I opened docker, created one image and created one container in the same directory of my data. ...
0
votes
0answers
24 views

Shift in polygons due to precision loss

I am experiencing some shifting polygon that I obtain via pixel to lat lon conversion. I have a program to do image processing in opencv that uses pixel coordinates and once I had obtain my contours, ...
0
votes
0answers
66 views

GDAL/ogr2ogr ( to convert osm to shapefile)

I use GDAL / ogr2ogr to convert osm to shapefile but I get an error. C:\Users\alo>ogr2ogr -f "ESRI Shapefile" outputdir "C:\Users\alo\Desktop\London.osm" Warning 1: Cannot find osmconf.ini ...
0
votes
0answers
35 views

Line Model with Z-dimension [duplicate]

I made a contour model of a specific area and named it by its height. I need this Data to import into AutoCAD, so I saved it as .dfx with Information about its Z-dimension, by choosing "include z-...
0
votes
2answers
30 views

Error converting Json file to a feature class

I want to convert some json data being returned from a request to a feature class, but I keep getting a RuntimeError: Object: Error in executing tool. I made a test gdb in a folder 'C:/Workspace/...
0
votes
0answers
29 views

Converting ASCII to raster causing distortion (dx,dy values instead of cellsize) using ArcGIS Desktop?

I'm trying to convert climate ASCII Data into a raster, but I always get a distorted raster. I'm using the ASCII to Raster Tool in ArcGIS. There are values like nlevels and ncircle in the header of ...
0
votes
1answer
64 views

Exporting KML data from QGIS

I have a 12 mb KML file that I can easily import into QGIS. The trouble is when I save it as a shapefile the data in the description field, which is html, becomes truncated. Is there a way to avoid ...
0
votes
0answers
22 views

viewing 3d geographic data (shapefiles, geojson etc.) in google maps?

As the title suggest, is it possible to upload some 3D data (i.e. data with z-values) to google maps and let other users on other computers access/view this data in 3D? And if so, how can this be ...
0
votes
1answer
49 views

Convert high resolution digital PDFs into a shapefile?

I have to convert several of such formats into a shapefile. Is there any open-source software or quicker ways of doing this? One such file - http://ceodelhi.gov.in/ACMAP/5.pdf Another such file is ...
0
votes
0answers
28 views

How to convert .yml to .mml file?

I want to use this style in my tile server. But I am using Carto for creating mapnik.xml. It says I need to supply a mml file to convert it to mapnik xml. Is there any way that I can convert a yml ...
1
vote
1answer
41 views

Converting .pcd LiDAR binary compressed file to .las format?

I have LiDAR data in the format of .pcd in a binary compressed file (version .7). How can I convert it into .las format or any other that can be readable by LAStools in ArcGIS 9.3 version ownwards? ...
0
votes
0answers
42 views

Shapefile conversion to ascii grid

I'm working with shapefile files, but I need to convert to ASCII grid, and I was trying to use QGIS, but the following error occurred: File "/usr/share/qgis/python/plugins/GdalTools/tools/dialogBase....
0
votes
3answers
75 views

AutoCAD / QGIS file sharing

I'm looking for some advice on GIS file formats. At work, we use Trimble GPS to record features in the field so we've been exporting as shapefiles to make maps of sites. I use QGIS and a coworker ...
1
vote
1answer
35 views

Converting GPS points in WGS84 to local Still Water Mine Grid in ArcGIS Desktop?

How to convert GPS points in WGS84 to local Still Water Mine Grid? I got GPS points in WGS84, and just have info: Datum Still Water 0.0 to NAD_27_Montana South: 1903090, 506795 , rotation = -19.9988....
1
vote
0answers
29 views

MapInfo to ArcGIS workspace conversion not retaining all map layers in TAB Reader

I've recently come across the TAB Reader extension for ArcGIS Desktop and am using it to convert from MapInfo to ArcGIS. I'm only testing the waters at the moment, as I've been tasked with finding a ...
2
votes
1answer
45 views

French coordinate conversion

I have an oldish (~2000) french guidebook where geographic coordinates are indicated in a system I don't know and I've been unable to find a suitable conversion. For instance, here are 2 points which ...
0
votes
1answer
50 views

Transforming a polygon to a linestring

Is it possible to (trivially, via a tool in python) to convert a polygon to a linestring? if so, how? If not, why?
1
vote
0answers
33 views

Converting multiple geometry KML to SHP

I have a KML file with multiple geometry, points and polygons. I want to convert it to a point shp and a polygon shp. Using OSGeo4W Shell I tried this : ogr2ogr -where "OGR_GEOMETRY='Point'" -f "...
0
votes
0answers
20 views

Rotation Matrix Verification

I have been given a TXT file that gives me Earth Centered Inertial (ECI) coordinates and I need to change them to Earth Centered Earth Fixed (ECEF) and North East Down (NED). I believe I have the ...
0
votes
0answers
44 views

Converting .adf to .asc for Creating a Ground Model (InfoWorks ICM)

I am trying to create a ground model in InfoWorks ICM. The files I've been supplied with to do so are in .adf format. I have 5 .adf files, which I'm assuming all contribute to the file I need (much in ...
3
votes
1answer
233 views

What file format has 18n, 18g and 18o file extensions?

My professor (who is now unreachable on holiday) gave me files to work with for a mapping project. The files were retrieved from the Ordinance Survey Ireland webpage. They were used to differentially ...
0
votes
1answer
206 views

Converting .dat files to shapefiles

We have electrical conductivity maps of our fields created using a Veris sensor that are in a .dat file type. We want to import these maps into our Ag leader SMS database, but in order to do that, ...
4
votes
2answers
86 views

Forcing ArcMap to Ignore Double Quotation Mark In CSV Text Field When Exporting to Shapefile?

In ArcMap 10.2 I'm following this workflow: Add .csv to map. Right click .csv, --> "Display XY Data" Right click XY Event Layer, --> "Data" --> "Export Data" --> save it as a shapefile. There are ...
0
votes
1answer
20 views

Divide all values in ASCII table (or raster file)

I have a pile of ASCII files representing 5min radar precipitation sums. The information is given in 1/10 mm which I need to convert into mm for further processing. Is there a way of doing this, ...
1
vote
0answers
98 views

How to convert .nc4 files to .nc using R? [closed]

I have thousands of files with the .nc4 file extension and I'd like to convert them to .nc format using the programming language R. I am using the ncdf4 package to read my data, but I've got no ...
1
vote
1answer
50 views

How can I keep my GEOID a 12 character string when adding csv layer in QGIS?

I am trying to join my csv data to TIGER census block group shapefiles. Every time I bring the table into QGIS it changes the string for the GEOID into a number so the join comes up null. My csv only ...
2
votes
1answer
24 views

How to measure quality of coordinate conversion?

I'm using PROJ.4 in my work and now I want to know how it convert coordinate well, especially longitude/latitude <-> UTM. I can compare the result from proj command with values from some websites ...
1
vote
2answers
112 views

Convert sgrd (SAGA GIS format) to raster or ascii or with R

I need to convert a sgrd file to tif or ascii using R. I converted a big sgrd file (1.4 GB, 376521831 pixels) to ascii using the package RSAGAbut it takes too long (approx. 45 minutes): rsaga.sgrd.to....
0
votes
1answer
29 views

Lock error when converting polygon to raster in ArcGIS Desktop?

I'm trying to convert a polygon file to raster but when I execute the function I get this error message: clement\cdq\landuse_mrc4. May be locked by another application. Failed to execute (...
1
vote
1answer
240 views

Create line from csv coordinates

How do I construct a line from this set of data? row 1: 11.617573 -86.099086 91 4.000001;11.617569999999999 -86.09908999999999 91 4.000001;11.617593 -86.099119 90 4.000001;11.61765 -86.09920699999999 ...
0
votes
0answers
32 views

Peculiar coordinates notation

I am working on a project that for some reason has a different coordinate notation, in the first part of my dataset it is displayed a sexagesimal notation in dd°mm'ss.ss'' but then the second part of ...
3
votes
1answer
62 views

Converting NZ Topo50 Grid Reference to WGS84 Lat/Long

newbie here so please pardon me if I'm asking a silly question. Currently I am required to work with Lat/Long coordinates in WGS84 (EPSG:4326) on QGIS for data analysis. The input data I have comes ...
2
votes
1answer
45 views

Convert a pointZ layer to a point layer [duplicate]

I have a shapefile that show this description under Geometry type of the features in this layer: Point (WKB type: "PointZ") I need to use is it in some plugins that seems to work only with points: ...
1
vote
0answers
206 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. ...
0
votes
1answer
36 views

Converting CRS?

I am trying to convert an N-triple RDF file which has geometries with WKT which use EPSG/3857 and I need to convert all WKTs to EPSG/4326 (I think it is the same as WGS84). As a first step, I tried ...
3
votes
1answer
83 views

QGIS: How to convert date values with format d-m-yyyy in a string field, into date values with format yyyy-mm-dd in a date field?

I have date values with the format d-m-yyyy in QGIS. They are in string field. I want to convert them into date values with the format yyyy-mm-dd. I want them in a date field. Can this be done ...