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

learn more… | top users | synonyms (1)

0
votes
0answers
173 views

Convert series of WKT to Shapefile

I have seen am ability in SQL Server 2008 Spatial Tools here that saves result of query as shapefile..I am intrested in how to do this task using C#..Is there any way to do this?I found ways to ...
2
votes
1answer
207 views

Rasterizing Contours - How to remove 0 values

I want to convert vector contours to a DEM. From other posts, I wanted to utilise the Grass r.surf.contours tool. Initially I converted the vector contour layer to a rasterized contours using the ...
2
votes
2answers
762 views

Date-format conversion

I'm using Time Manager and QGIS 1.8.0 and I am stuck at date-format conversion. Time Manager needs Gregorian format YYYY-MM-DD HH:MM:SS.ssssss in text field and I have thousands of records in ...
2
votes
3answers
573 views

How to convert PCS based point X/Y into GCS Lat/Lon using ArcObjects

There are so many permutations of questions I've tried to find the answer to my question from various sources, but I have yet to actually find an answer the way that makes sense to me (and works). ...
2
votes
3answers
735 views

Rasterize line shapefile

I'm trying to convert a line shapefile to a raster image at QGis, but my attempts have been unsuccessful. I've tried to use Raster/Conversion/Rasterize and SAGA/Grid - gridding/Shapes to grid, but to ...
2
votes
1answer
174 views

Problem measuring area with gps coordinates

I am trying to measure area from gps coordinates but fail to get the correct result (7200 square meters). I used the formula from this post but I get way too high number as result (should be in square ...
3
votes
1answer
50 views

Algorithm behind custom tool of ArcGIS for Desktop called xyz2grid21?

I am a researcher from Romania and I have used xyz2grid21 ArcGIS tool (by Min-Lang Huang) in order to convert xyz files (LIDAR data) to ASCII and ESRI grid in order to obtain a DTM. I need to know ...
1
vote
2answers
986 views

Converting Shapefile data to GeoJSON

I have access to some open data for which I want to obtain some coordinates to put onto a map. Unfortunately, the data is in the Shapefile format which is rather difficult to work with. I am trying to ...
3
votes
1answer
182 views

Conversion from Namibian Coordinates to Google Maps (WGS84)

I have coordinates in Namibia, but don't know how to convert them to use them in Google Maps. The system is Lo22/19°. Then Y: +55 435,89 X: -498 157,28 Can anyone help with a conversion?
1
vote
0answers
29 views

Why does KMZ to GPX reverse the objectid?

I am working on KMZ to GPX conversion and every time I use the data interoperability extension and quick export it seems to reverse the objectid, now my 1st waypoint is the last placemark point of the ...
1
vote
2answers
304 views

QGIS Convert Polygon M to polygon

I have been using Argis 10.1 and been able to convert polygon m to polygon shapefiles. I would like to do this with QGIS but I am having difficulty in finding the correct tool to do so. Please Help
1
vote
0answers
142 views

How to convert picture to annotation in ArcGIS 10.1?

I have been tasked to display analytical data tables (currently in MS Excel) in an ArcGIS (v 10.1) map document (.mxd) and would also like to convert them to map document annotation, if possible. ...
0
votes
1answer
121 views

Gdal_grid gives blank .tiff file after conversion

After using gdal_grid I get blank .tiff file. I use the following .vrt file : <OGRVRTDataSource> <OGRVRTLayer name="p"> <SrcDataSource>p.csv</SrcDataSource> ...
2
votes
1answer
307 views

How to convert ASCII in x,y,z format using gdal_grid?

I have a map saved in (AFAIK) Arc/Info ASCII format and I would like to convert it with gdal grid but I am getting errors. My data (p.csv) is in the following format: 319053.25,319301.12,544.28 ...
4
votes
1answer
134 views

In which way is height information stored in a DEM?

I'm struggling with different DEM data, because I don't know how to convert the height information in meters. When I load ASTER and SRTM tifs in QGIS, it shows me the spectrum of the grayband (0 to ...
1
vote
0answers
33 views

Converting DEM data to height information in meters using QGIS? [duplicate]

I'm relatively new with QGIS and currently I'm working with ASTER and SRTM DEMs. The goal is to create vector heightcontours with labeling in meter. Can you tell me how I can convert the grayband ...
2
votes
2answers
5k views

How to calculate Distance, Azimuth and Dip from two XYZ coordinates

I have two XYZ coordinates and I would like to calculate the Distance, Azimuth and Dip between them. I have come across a similar question on this site that calculates it the other way around (with ...
3
votes
2answers
5k views

How to convert data from a .gdb into a shapefile without ArcMap?

I have a .gdb folder with LOCK Files, FREELIST Files, ATX Files, GDBINDEXES Files, GDBTABLE Files, GDBTABLEX Files and, SPX Files. I want to convert the parcel data within this folder into a ...
2
votes
1answer
176 views

How to convert xml into readable gis format

I have data in xml format which contains a child element "GEOM" which has coordinates in the following format POINT (9.9632253030540205 52.9569277022282421) POLYGON ((9.7423702151211078 ...
2
votes
0answers
113 views

Can OGR handle Esri's Geodatabase extensible markup language (XML) files?

The USDA Forest Service distributes GIS data as Esri Geodatabase extensible markup language (XML) files. I downloaded one in the hopes that I would be able to convert it to something less esoteric ...
0
votes
0answers
50 views

Reading Points as PolyLines

I'm currently developing an Android app where I need to show some information on a map, which is stored as Shapefiles (.shp + .shx + .dbf). I noticed that when the shapefile is opened in QGis, a nice ...
1
vote
0answers
149 views

How do I convert Lon and Lat to pixels in map using world file? [closed]

I have a tiff map file, with a tfw world file that has these parameters (lon/lat in radians): 0.00000107180145766 \\ A 0.0000000000 \\ D -0.0000000000 \\ B -0.0000009331315579 \\ E ...
0
votes
2answers
236 views

Calculate employment density using LEHD Census Data in ArcGIS

I have data from the Census Bureau's LEHD files that record number of jobs within blocks groups. I want to convert the number of data in the LEHD into a feature that I can use to calculate block ...
2
votes
0answers
68 views

Switching from ArcDesktop to ArcGIS Online

I have many GIS files that I was using to create some maps for my work. Our desktop version of ArcGIS expired and we decided to move to the basic online version. I am unable to upload any of my ...
2
votes
1answer
84 views

How to join two tables and convert joined table to a vector layer containing points in QGIS? [duplicate]

I have one table that contains 450 locations and a table that has 10'000 rows containing data and no spatial information. I have a column that allows me to join them. The issue is that I want to have ...
0
votes
0answers
144 views

CAD to Geodatabase vs Feature Class to Feature Class

I'm trying to convert multiple CAD files, I have suceeded with some (using Feature class to Feature class), however they are not projecting properly, e.g when I set the projection to British National ...
0
votes
1answer
551 views

Converting raster layer to polygon form using ArcMap?

I am trying to convert a raster layer of U.S. climatic regions into polygon format using ArcMap 9.3 under Windows XP. The original data are to be found at the following address: Koppen Climate ...
2
votes
1answer
317 views

Appropriate pixel size when converting vector to raster

I am converting vector polygons into raster datasets. Is there a standard calculation for converting the scale of the vector into an appropriate pixel size (e.g. 25 metres)? My vector has been ...
1
vote
1answer
583 views

Converting file geodatabase with coded domains to PostgreSQL / PostGIS?

We have several file gdb's and would like to convert these to Postgres / PostGIS. We've used ogr2ogr to transfer these files; however, some of the fields are stored as coded domains and the fields are ...
0
votes
1answer
34 views

GML TimePeriod mapping in MapForce

I made SQLServer database structure based on xsd schema I got. In that schema two fields have gml:TimePeriodType. In database I put two columns for each field of this type (begin and end) and the ...
1
vote
1answer
290 views

Converting .fdshape to .shp or other QGIS readable format

I have been searching for a solution to being able to read .fdshape extension files in QGIS with no luck. It seems that the data had to be converted from .shp to .fdshape in the first place so I was ...
3
votes
2answers
2k views

Convert from WGS84 to GDA94/MGA94 on iOS

I have a mobile app (iPhone/iPad) for recording data and taking notes, including photographs, and a government client needs GPS coordinates attached to each photo. They require coordinates in the ...
1
vote
1answer
99 views

Is there a way to render/show ACAD drawing in ArcMap correctly?

I would like to extract only certain lines from an ACAD drawing but it seems that a lot of lines are being dropped when the dwg drawng is viewed and rendered in ArcMap. (see below) Is it possible to ...
0
votes
1answer
84 views

How to export qgis as a kml file?

I have a .qgis contour plot. I would like to convert this to a .kml file. How specifically would I go about doing this?
3
votes
2answers
1k views

Convert from img to geotiff

Using gdal translate, would it be possible to convert from IMG to GeoTIFF? We have very little experience with gdal and would really be grateful for some insight.
0
votes
1answer
224 views

AutoCAD to OSM, lossless

I'm trying to convert AutoCAD 3D data to OSM lossless, or close to lossless. So far, the only way I can see it's possible is to convert from AutoCAD to SVG to OSM, according to OSM's WiKi. Do ...
2
votes
1answer
965 views

Position from LLA to NED and vice-versa

I have two points, origin and point, defined in Latitude (geodetic), longitude and altitude. Now I want to convert point position in NED coordinates, using origin as center of the NED coordinate ...
0
votes
0answers
215 views

How to create .dem file in QGIS?

I have an elevation data in .asc file, but need to convert it to .dem file to later use in COMSOL. However, in Raster--> Analyzes-->DEM I got just error message: ERROR 1: DEM Default Setup: Importing ...
2
votes
1answer
1k views

Dem file in .adf format, while .tiff is needed

I would like to use this standalone tool to get different kind of Dem visualizations (http://iaps.zrc-sazu.si/en/svf#v). I see that the program accept only .tiff DEM. Now, the DEMs I got are not in ...
0
votes
1answer
546 views

ArcGIS Conversion Error While Converting ED50 Datum to WGS84 Datum

With ArcGIS for Desktop, I tried a datum conversion of Transverse Mercator ED50 Datum to Transverse Mercator WGS84 Datum. Normally, the difference between two projections is approximately 180 meters ...
0
votes
1answer
757 views

ArcGIS automatically convert string variables to numeric? [duplicate]

If arcgis is automatically coverting string values to numeric variables in a text document generated by stata, how do you change those variables back into string? I tried opening up the fields under ...
1
vote
2answers
203 views

Convert shapefiles from WGS84 to Miller Projection

I have some shapefiles of the world from Natural Earth at WGS84. I would like to convert them to the Miller Projection. I have ogr2ogr, but I'm not sure what the parameters for this conversion ...
1
vote
1answer
226 views

Are there another way/tool as GDAL/ERDAS-API to convert a raster to ECW?

I am looking for a tool to convert raster (TIF, JPG) to ECW. I found this two year old question/answer How to convert orthophotomap to .ecw file? The answer is to use GDAL with an ERDAS SDK. I checked ...
0
votes
1answer
100 views

How do I convert a VMAP to a shapefile using GDAL?

This is my first time trying to convert a VMAP to a shapefile and the examples online aren't as straightforward to me. Any guidance is appreciated.
0
votes
0answers
56 views

50m x 50m grid around the world

I'd like to subdivide the earth into a grid of approx. 50 x 50 m cells (big database, I know). To make it more complicated (and fun), I also need to be able to determine to which cell a given set of ...
0
votes
2answers
511 views

Exporting to 2D (Arcview 3.0 compatible) shapefile in QGIS?

I need to run my shapefiles through a web mapping application which is incompatible with 3D shapefiles. At present I run them through the FME Universal Translator in Mapinfo, which enables you to ...
0
votes
2answers
298 views

QGIS 2.2.0 Creating all extension of MapInfo from a ArcMap ShapeFile

I have a road centerline shapefile that I would like to create all files associated with a MapInfo file (.tab, .id, .map, .dat). I've looked through the plugins and don't see a tool that helps with ...
1
vote
1answer
131 views

Is it possible to create shapefiles in ArcGIS and convert into SpatialNET?

I'm looking at the prospect of working for a client who has implemented a SpatialNET solution. I have never used SpatialNET and primarily have experience with ESRI and Autodesk products. The client ...
1
vote
2answers
599 views

Exporting well data from IHS Kingdom in a format that plays nice with ArcGIS

A coworker of mine has a bunch of well data (including georeferencing and attribute tables) in IHS Kingdom. We need to convert this data into a format that works with ArcGIS (e.g. .shp files). ...
0
votes
1answer
29 views

downloading data from UNdata onto ArcGIS 10.1

http://data.un.org/Search.aspx?q=population I am trying to download data from UNdata and successfully opened one link of raster data, however the data that I really desire won't open on Arc. I hit ...