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

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15
votes
2answers
5k views

How can I convert data in the form of lat, lon, value into a raster file using R?

I have a data set of values over a km grid in the continental U.S. The columns are "latitude", "longitude", and "observation", e.g.: "lat" "lon" "yield" 25.567 -120.347 3.6 25.832 ...
3
votes
1answer
503 views

turning multiple vector layers into one raster in arcgis 9.3.1

I want to make a raster out of the multitier view I have in ArcMap 9.3.1 . The layers in my ArcMap come from several datasets. I know there is a 'Feature to Raster' tool, but it converts one layer at ...
2
votes
3answers
7k views

Converting KML to layer in ArcGIS 10 - nothing happens

I have converted many KML files to layer in ArcGIS many times before without any problem. I just did a conversion (Arc Toolbox>Conversion tools> KML to layer) and the file is showing up in the table ...
2
votes
1answer
448 views

Underground Utility using Arcgis

Which software can I use for mapping of underground utilities? I am using GRED for marking of utilities & then transferring it to AutoCAD. Now I would like to load this AutoCAD file into a GIS. ...
2
votes
3answers
782 views

How to change DXF unit by Python 2.6

I have a bunch of DXF files to import into ArcGIS 10 but they are all in mm. However I need to change the unit to Meter and to do this I have to open AutoCAD to do it each time. Can anyone help to ...
1
vote
0answers
368 views

ADC Maps Grid to Lat/Long Coords Conversion

While the ADC site apparently has a paid conversion function, it's interactive, and I'm looking for some way to do so on a batch basis, possibly with an API. Any hope?
1
vote
2answers
2k views

How to get a slippy map from OziExplorer .map and .png tiles?

I have a bunch of topographic maps in the format of .map files and 4000x4000px png files.I would like to view them as a slippy map and be able to select an area and export that as one big image. I am ...
2
votes
1answer
706 views

Convert Features to Graphics

I want to convert selected features to graphics and keep the featuere symbology. I was thinking I could just call the UID command below, however it seems to not be working? Dim pUID As New UID ...
9
votes
2answers
448 views

What is the correct way to convert a USGS Orthoimage from WorldImage format to tiled GeoTiff for GeoServer?

USGS provides different resolution orthoimage quadrangles in the WorldImage format (*.tif with an accompanying *.tfw world file). Some of these quadrangles can be used by GeoServer (2.1.0 - 2.1.2) by ...
3
votes
0answers
86 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 ...
3
votes
2answers
861 views

ImageMagick's convert program changes PNG file format so that color/alpha info doesn't survive GDAL

It appears that ImageMagick's convert program changes something in my PNG file that causes GDAL processing to mess up the color and/or transparency bands. My original PNG file gets processed ...
5
votes
2answers
182 views

Vectorize cell boundaries in GRASS

I need to vectorize the cell boundaries of a raster map and I have forgotten how to do this. For instance, if I have a raster map of a region that is just map=1 with a cell size of 500m, I would ...
5
votes
1answer
7k views

How to batch convert Garmin GDB to GPX?

I need to convert a lot of garmin GDB files to GPX in order to convert it to another vector format. Is there any tools available can do a batch convert from garmin GDB files to GPX? Using MapSource ...
5
votes
3answers
1k views

How to convert orthophotomap to .ecw file?

I am looking for a method for convert orthophotomap (.adf files) to ERDAS .ecw file. Have you got any ideas ? Or maybe you have got any other idea how i can reduce a size of orthophotomap .adf ...
5
votes
3answers
8k views

Batch convert GeoTIFF's to KMZ files

I have about 600 GeoTIFF map files, each about 140 mb in size that I'd like to convert to KMZ files so people can download them and use them with Garmin GPS units, Google Earth, etc. Anyone know an ...
-1
votes
2answers
1k views

Projecting data from WGS84 to NAD27 UTM BLM Foot ArcMap

When I use the NAD27 BLM 15N prj from the projected>>UTM>>north america>> in ArcMap 10.0 and go from WGS84 to that..using the NAD_27_To_WGS_84_1 transformation..my resulting shapefile doesn't line up ...
0
votes
1answer
111 views

Programs to log NMEA on Nomad 900?

I am interested in logging NMEA data on a Trimble Nomad 900. Unfortunately the SatViewer records a maximum of 64,000 characters, too little for my application. I don't want to have to purchase ...
4
votes
2answers
177 views

Is there a simple way to detect what generation a MrSID file is?

I just found out there are a few types of MrSID files - generations MG2,MG3,MG4. As I have a user which uses Bentley Microstation V8 and apparently can see only some of the generations (and thus I ...
0
votes
1answer
565 views

How to convert dbf to raster the short way?

I have got a dbf file and i want make it to raster file but shor way, Look at my long way, 1- First i add my dbf file 2- and i create tin http://i1211.photobucket.com/albums/cc421/mtnkou/2.jpg 3- ...
2
votes
2answers
966 views

How to convert from GeoTIFF to PNG/JPG and Web Mercator in Java?

I'd like to convert raster image from (geo)tiff to an png/jpg and afterwards if it is necessary ... I'd like to convert the coordinates with help of EPSG-Codes to the OSM/Google Projection(EPSG: ...
2
votes
2answers
6k views

OpenLayers LatLon conversion

I have an OpenLayers map with a settings like a below. All LatLon points are represented like a POINT(3684182 5207957). In a more usual form (for me) it looks like a (104.287422, 52.284126). How can I ...
4
votes
3answers
2k views

Export georeferenced image overlay from KML?

How might one export image(s) from image overlays in a KML file to a standard geo-referenced raster format like geotiff? Use case: NASA's Earth Observatory has a time series of the changing Athabasca ...
4
votes
2answers
7k views

Using ArcMap, how may I convert a shapefile to use decimal degrees?

I have a shapefile that currently uses meters as the measure for its coordinate system, but the map framework I wish to use expects decimal degrees. I'd like to reproject my shapefile to use decimal ...
13
votes
2answers
2k views

How can I fix my complex Polygons so they show correctly in Google Maps?

Problem: I'm trying to find a way to fix some broken polygon shapes and I'm not sure how I can do this. Details: I've got a number of polygons which I basically imported from TIGERLINES a while ...
9
votes
4answers
1k views

Alternatives to ogr2ogr for loading large GeoJson file(s) to PostGIS

I have a 7GB GeoJson file that I would like to load into a PostGIS database. I have tried using ogr2ogr but it fails because the file is too big for ogr2ogr to load into memory and then process. ...
11
votes
3answers
1k views

ogr2ogr fails to convert GeoJson file > 200MB

As a followup to my previous question (Converting SimpleGeo Places GeoJSON file to shapefile), I am now struggling with what I perceive might be an ogr2ogr "memory" limitation, but I cannot be sure. ...
8
votes
2answers
13k views

Shapefile attributes to Autocad Annotation

How can I export the attribute information for the shapefile/feature class to Autocad Annotation/Text. I'm able to export the shapefile to autocad but unable to get the attributes in annotation. Need ...
2
votes
2answers
2k views

Converting ASCII grid/NTF to SRTM/DEM

I want to use the Ordnance Survey Land-Form Panorama product in some software called Maperitive, which can read custom SRTM DEM files. The data is provided in the following formats: DXF [Contours] ...
3
votes
1answer
144 views

What are some lightweight python modules to convert LAS data formats to text formats?

I searched on the net and found pyLAS, but it seems to require quite a few other modules and I couldn't get the install right. Any pointers will be much appreciated. Thanks!
6
votes
3answers
2k views

Convert PS/EPS/AI to shapefile?

Are there any programs which can convert from Postscript, Encapsulated Postscript, or Adobe Illustrator file formats to a shapefile? What about adding geo-referencing? I'm also open to recipes using ...
4
votes
3answers
4k views

Convert ESRI Integer ASCII Grid to something useful

How could I convert a file(s) which is "DIGITAL Map data stored in ESRI ARCInfo Integer ASCII Grid format" into something the rest of us can use? i.e import into QGIS. The main file has no extension ...
1
vote
1answer
372 views

Convert Lat/Lon to VicGrid94

In C# how can i convert a Lat/Lon coordinate to Vicgrid94 which is described http://spatialreference.org/ref/epsg/3111/ and also ...
4
votes
1answer
807 views

Dimensional analysis/conversion problem: Map scale to image resolution (dpi)

Given a map scale of 1:17,200 and a raster whose cell size is 6 inches, what resolution (dots per inch) should I choose when exporting the map to an image in order to maintain the raster's native ...
1
vote
0answers
89 views

What is the process of converting geodata in ArcMap 10 to WKT format? [duplicate]

Possible Duplicate: Shapefiles to Text What is the process of converting geodata in ArcMap 10 to WKT format? I am not a programmer so much, but will learn if needed. I have a set of ...
4
votes
4answers
1k views

Is there a way to convert 3D polylines to 3D points in ArcGIS?

I need to convert a huge number of very dense (densified to 1m) 3D polylines to 3D points. I need each vertex along the line and no duplicates (two of the same XYZ coordinates) if possible. Is there ...
13
votes
3answers
4k views

Converting SimpleGeo Places GeoJSON file to shapefile?

SimpleGeo has recently made their "Places" data set freely available which is GREAT, because now we can use it for our own purposes, even offline. So I went about downloading the 2GB dataset, which ...
3
votes
2answers
759 views

How to read MapInfo .tab files in ArcPy?

I want to use arcpy (the ESRI install of python 2.65) to analyse tab files...can this be done directly or do I need to convert them to shp files...if so would it be possible to do something like ...
1
vote
1answer
109 views

How do I convert my coordinates to the limit of geographic region (outer edge)?

I am trying to use r.in.bin. The parameters of north, south, east, and west needs values: north=float Northern limit of geographic region (outer edge) south=float Southern limit of geographic region ...
6
votes
2answers
5k views

How to convert Distance, Azimuth, Dip to XYZ?

I have an excel spreadsheet with header and survey drill data. Header data contains hole ID, and location coordinates, and the survey data contains related downhole survey with Distance, Azimuth and ...
6
votes
1answer
3k views

In an arcpy script, how do I convert ArcGIS date value to a string reading in mm/dd/yyyy format?

I am writing an arcpy tool script in ArcGIS 10.0. In a fGDB feature class, I have a Date type field. I gather that the values in the Date field are stored as long integer dates, but they display in ...
6
votes
1answer
15k views

How to convert Mapinfo “.Map” file into an ArcGIS format? [duplicate]

Possible Duplicate: How do I convert MapInfo TAB and/or MIF to SHP? I currently do not have MapInfo but I do have a lot of ".Map" files that I need to convert for use in ArcGIS. Actually ...
8
votes
2answers
783 views

How to convert a vector boundary to a raster map?

I need to output a PNG file of a raster map overlayed with boundaries present in a vector map. The problem is, the r.out.png script only exports a raster map. My boundaries are in a vector format. ...
6
votes
1answer
5k views

How to convert a String to OpenLayers.Geometry.Polygon using javascript?

First let me say that I'm using Javascript, jQuery, Java, GeoServer, OpenLayers and PostGIS. Using java class ResultSet I return this String: POLYGON((516000 2135000,515039.264020162 ...
1
vote
1answer
780 views

Last edited information missing when used QGIS - Dxf to Shp

I am doing as constructed drawings which require the information to be in a GIS system and more specifically drainage as constructed drawings. I must have a separate file for Pipes and Pits. First I ...
1
vote
2answers
1k views

Looking for a MAP to SLD converter

Does anyone know where I can find the converter from .map to .sld? I have a big mapfile of styles for OSM and I have the styles mapnik.xml for OSM but I use Geoserver for my work. Or does anyone have ...
3
votes
3answers
742 views

Vertical Datum Conversion Utilities

I have some data (points and rasters) that I would like to be able to convert to and from several vertical datums, including MLLW in coastal Florida. I would appreciate it if people could provide some ...
4
votes
4answers
5k views

Tool for converting .shp file to .tab file?

I am searching for any free tool which can convert ShapeFile (.shp) to MapInfo (.tab) file.
15
votes
2answers
5k views

How to Import SVG into GIS?

I have a PDF file, with a Map as a vector graphic. I want to get this into GIS. (I use ESRI's ArcGIS, but any FOSS solution is also fine). I know that it is not possible to directly get the PDF into ...
1
vote
1answer
815 views

Convert old ArcGIS 9 VBA tool to new Python script tool for ArcGIS 10

I have an ArcGIS .mxd file with an imbedded VBA script that is executed from a tool bar button. I would like to convert this VBA script tool to a python script tool for use in ArcGIS 10. Is that ...
7
votes
1answer
758 views

How to work within ArcGIS image server export limits?

I need to clip out a region of an arcgis image service that is larger than the export limit. I'm not trying to defeat copy protection or anything of that nature. The data is from a service belonging ...