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

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2
votes
3answers
48 views

polygons to polygon conversion with attribute name

1) I have a polygon shapefile with 1000 multi-part polygons in it. Each Row of the table is a multipart polygon. 2) I need 1000 shapefiles with 1 multi-part polygon in each. 3) Each output shapefile ...
1
vote
1answer
48 views

Converting mercator meters without UTM zone?

I've been attempting to extract track information from Humminbird (Side Imaging Sonar) binary files and have hit a stumbling block with the coordinates it provides. The values are apparently in ...
1
vote
1answer
55 views

How to convert float to raster in QGIS

I have downloaded bathymetric data into QGIS. In order to use it I need to conduct a float to raster conversion. I have not been able to find how to do this on any of the forums. I have unsuccessfully ...
1
vote
0answers
12 views

How to convert shapefiles into ascii grid .asc in QGIS?

I downloaded multiple zips that cover a small island from the Rhode Island Geographic Information System webpage, specifically the geographic files that make up Block Island. Here's the source: ...
2
votes
1answer
64 views

ringer: help convert simple plugin to new QGIS 2.x

I have been trying to get this simple plug-in to work on QGIS 2.x. So far i got it to load, but it does nothing! all that it is supposed to do is place a polygon where a hole (ring) is. The code is ...
1
vote
1answer
34 views

Convert and export lat longs from text layer - QGIS

I have imported a Text Delimited Layer that was a csv file with three fields id, lat, long. The layer shows up correctly and the values are in Feet. I need to convert the Feet to Decimal Degrees and ...
1
vote
0answers
47 views

Convert polygon data into extreme lon/lat coordinates using QGIS

I'm very new to QGIS. I have a shape file of census blocks and want to use the data to plot points within each boundary using Google Maps api. I figure the best way to do this is to find the extreme ...
1
vote
1answer
30 views

How to import and project ASTER 1B data into Arcmap?

I recently purchased a granule of ASTER 1B data from ERSDAC, when I import any of the associated rasters into ArcGIS, the image is displayed as being only 1m across, when the actual area represented ...
1
vote
0answers
17 views

Good KML conversion program [duplicate]

I recently used the GPSlogger app and created KML files from my routes. I haven't been able to successfully convert them to shape files. Does anyone know a good downloadable program that converts ...
2
votes
3answers
59 views

How can I convert a set of ShapeFiles to an OSM file?

How can I convert a set of ShapeFiles to an OSM file?
-2
votes
1answer
55 views

Converting GeoNames csv file to shapefile?

How can I convert a Geonames csv file (downloaded from http://download.geonames.org/export/dump/) to a ShapeFile?
4
votes
1answer
51 views

Convert ESRI Shapefile to Raster using R - biggest polygon area to raster cell value?

I want to create a raster from an ESRI shapefile. Multiple polygons may exist in one raster cell. If so, I want to assign the attribute variable which occupies the biggest area of the raster cell. ...
0
votes
0answers
5 views

Need XML structure for importing metadata into Geoportal

I have older data stored in ArcIMS(I think it's ArcIMS?) format, I would like to convert this data over to be used with geoportal. Other than a sample document, I haven't been given much info on how ...
2
votes
1answer
48 views

How to convert unix time to qt time type?

How can I convert unix timestamp to qt time type using qgis field calculator? I would like to avoid importing my table into excel and convert the timestamp to qt time type.
2
votes
0answers
60 views

Converting KML To Layer using ArcPy losing objects?

I am trying to a convert kml file to a layer using python. This is my code: import arcpy arcpy.KMLToLayer_conversion('C:\kml\\result.kml', 'C:\kml', 'result') But the layer has lost a lot of ...
1
vote
1answer
63 views

Converting shapefile to KML using JavaScript or PHP?

My client needs to generate maps from shapefiles. Through my initial search, I came to know that we need to convert shapefiles to .kml then we can generate maps from google maps. So I searched for a ...
0
votes
0answers
55 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
43 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
107 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
55 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
2answers
40 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
63 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 ...
2
votes
1answer
31 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
35 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
32 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?
0
votes
0answers
17 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
36 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
52 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
16 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
46 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
81 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
30 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 ...
1
vote
1answer
126 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 ...
0
votes
0answers
10 views

Convert Surface to MultiSurface in SQL Server

I need to create view where geometry column is MultiSurface datatype. But, column in my table is Surface datatype. Is there any chance how to convert single Surface column to MultiSurface column ...
2
votes
2answers
208 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
56 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
93 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
35 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
39 views

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

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
68 views

Convert census data to points

I have data from the Census Bureau's LEHD files that record number of jobs within blocks using the digit 1 to denote one job. I want to convert the number of 1's in the column into a feature that I ...
1
vote
0answers
49 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 ...
1
vote
1answer
49 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
38 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
51 views

How do I overcome this problem of converting a raster layer to polygon form?

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 ...
1
vote
1answer
47 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
94 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
14 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 ...
0
votes
0answers
7 views

ssf to .shp conversion, field name changing from Pahtfinder data dictionary [duplicate]

When I convert the data with Pathfinder Office to shapefile. After opening the data in Arcmap, I can see that the field names changes. ArcMap is only keeping first 10 letters of the the field column ...
0
votes
1answer
34 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
111 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 ...