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

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4
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82 views

Convert Graphics to Vector in QGIS

I am wondering if there is a way to convert a graphic produced from symbology in QGIS to a vector layer (ie: shapefile). I have a point layer with bearing direction in the attribute table. Following ...
4
votes
0answers
160 views

What traits identify 2D, 2.5D, 3D geometries, and how can you convert downward, such as from 2.5D to 2D?

In answering this question, posed by @Burton449, I came to realize I don't have a definitive grasp on what distinguishes 2D, 2.5D, and 3D geometries. I certainly realize Z/elevation values are ...
3
votes
0answers
352 views

What is the best way to convert WKT String to GML String

What is the best way to programatically convert WKT String to GML String? Every reasonable library (at best available in some Maven repository) can be used. Till now I came up with this solution ...
3
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0answers
160 views

Creating Ellipse in WGS84, but with metric parameters

I have the function --Ellipse(x,y,rx,ry,rotation,#of segments in 1/4 of ellipse) SELECT ST_Translate( ST_Rotate( ST_Scale( ST_Buffer(ST_Point(0,0), 0.5, $6), $3, $4), $5), $1, $2) I have points in ...
3
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0answers
80 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 ...
2
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0answers
32 views

Using Field Calculator to Convert Data Type In Field

I am trying to convert a field that is listed as "String" because it was imported into QGIS as a CSV (rural poverty population percentages by county in NC). I need to convert the percentages field ...
2
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0answers
200 views

Best method to convert CSV file of lat/lon and depth data to bathymetry polygon?

I'm trying to create bathymetry polygons based on lat/long and depth data. I have tried several methods and the resulting polygons are clunky. Make XY Event Layer-->Copy Features--> Project--> ...
2
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0answers
76 views

How to convert FROM Navit to PostGis or SHP?

I have a Navit BIN file which I want to use in PostGis or QGis, so I need to import it to PostGis or convert it to a shapefile. I have found a lot of information on how to convert data TO the Navit ...
2
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0answers
169 views

How to decode Magellan URL coordinates to lat/lon

Magellan uses this URL to designate a coordinate in New York: mgn:///address/?coord=merwFvlqbM,name=Viva%20Herbals%20Pizzeria,number=179,street=2nd%20Avenue,city=New%20York,country=US How can I ...
1
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0answers
31 views

Seeking a gvSIG plugin to go from shp to kml to cityGML

I'm looking for a gvSIG plugin to convert .shp to .kml and then to .cityGML. I'm working with gvSIG + 3D extension and I have .shp format data but I need it in .cityGML format.
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70 views

MXD2QGS fails with 'ascii' codec can't encode character

I've tried to convert some mxd files to qgs but, I already have the same error: ": 'ascii' codec can't encode character u'\xe8' in position 57: ordinal not in range(128) Échec de l’exécution de ...
1
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0answers
27 views

Most efficient way of passing values from OGRGeometry to ModelField in geodjango

I am writing a custom parser that maps shapefile data to a geodjango model in a Django 1.6 project. To read the shapefile I use the DataSource object from django.contrib.gis.gdal, which provides ...
1
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0answers
75 views

How to keep polygon from becoming polyline when converting polygon feature class to .dwg

Is it possible to convert a polygon feature class from a geodatabase to a CAD .dwg while keep the features as a polygon in AutoCAD? Currently the polygons appear only as polylines. I am currently ...
1
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0answers
39 views

Line features into polygon features

Can any one tell me how to convert line features into polygon features in ArcGIS. I am using ArcGIS 10. I searched the arc toolbox for any tools for this conversion, but I couldn't find any. Please ...
1
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0answers
87 views

Is there a free way to convert DGN v8i to… any other format?

(Update: We have postgis and ogr2ogr (etc.) but not any ESRI or Microstation software.) I just got DGN v8i files and I can't find any free way to convert them to... anything else. FME and AutoDWG ...
1
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0answers
109 views

Input a KML file dynamically into MapServer without losing attributes?

Is there any possibility for MapServer (I'm running v6.2.1) to process the features / styles from a KML file dynamically? I tried STYLEITEM "AUTO" but it turned out to work only for *.dgn and *.tab ...
1
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0answers
92 views

How to convert a symbol style set for ArcGIS for use in QGIS?

Is there a way to convert a symbol style set for ArcGIS for use in QGIS? There are symbols used in Incident Command I would like to use in QGIS, but can only find a style set for use in ArcGIS. The ...
1
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0answers
176 views

How to Smooth Polygons after converting DEM using Raster to Polygon?

I have a DEM SRTM that I classify using Spatial Analyst Tools > Reclass > Reclassify. The result is box shaped so I go to Layer Properties > Display and choose cubic convolution. The result is ...
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0answers
112 views

Cesium 3D Map help

I am new to cesium and I want to display 3d shapefile using cesium.Conversion of shapefile in czml and display into cesium in main hurdle.
1
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0answers
871 views

convert GPS to XY coordinates

if i have obtain GPS coordinates as Latitude/Longitude, then i need to convert them to XY coordinates, i see this link actually i need to get the Trilateration , in its equation i need the XY ...
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0answers
133 views

Renaming Columns in Geotools FeatureType

I am attempting to build a simple java program that loads shapefiles into a Postgis 2.0 database. Everything is working out great except that I would like to be able to modify the FeatureType in the ...
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0answers
72 views

How do you convert an Imagine raster attribute value into the raster value?

I have a raster derived from image segments with row id as the value. I have an attribute in the attribute table which should be the raster value, "Standard deviation layer 5" (see image). How do I ...
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0answers
192 views

How to convert shapefile to mapinfo file preserving special characters?

I have to convert a bunch of shapefiles to mapinfo files on a machine without a MapInfo license, so I am using ogr2ogr to perform this task. The problem is that when opening the mapinfo files in ...
1
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0answers
32 views

When a raster is described in general as either a double or an integer how do conversions work for that type

I know a raster format is essentially a grid of cell values that may have values associated with color, but I'm unsure of how the primitive types factor into the format. In addition if I need to write ...
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0answers
106 views

How to correlate Image DN with Spectrometer reflectance?

I am trying to develop a system to measure NDVI from the commercial grade digital camera. I am trying to get two bands NIR and RED from the image and apply it for NDVI measurement using diffent ...
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0answers
518 views

How do you format an OGR VRT file to best convert a CSV to KML?

I am attempting to get a nice KML for simple review of POI/geocoding from a CSV. I a using ogr2ogr and a vrt. You can see the vet file below, with two attempts to get this right. Basically, the issue ...
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0answers
132 views

How CONVERT a lat/lon point TO a x/y point ON a world mercator proj image in JS?

Thx to read and think about my problem! :) I have a map world image like that (mercator proj): http://www.learnnc.org/lp/multimedia/14596 And I have a lat/lon point to place on it in javascript, I ...
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0answers
304 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?
0
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0answers
4 views

Using USGS_Raster_Conversion_Scripts.zip to convert ArcGrid files to GeoTiff

I know the GeoTiff export option is no longer available in the http://viewer.nationalmap.gov/viewer/# so will have to convert it from ArcGrid source files instead. I am following the readme and how to ...
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39 views
+50

How to translate .bil files in a batch mode with QGIS?

I have some .bil files that I would like to convert into ASCII Gridded XYZ format files. It seems to work well with the Raster>Translate tool of QGIS when I process one file at a time. But I would ...
0
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0answers
23 views

How to raster vector- and shape-files correctly

does anybody know how to convert vector- and shape-files correctly? Doesn't work with tab Raster/convert/vector to shape files. The output always contains strange input-data (wrong and strange ...
0
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0answers
17 views

Transform map coordinates to page coordinate in ArcObjects

I have a map inside a page layout in ArcMap. Currently, I use this code to convert geographic coordinates to page coordinates: IMap map = ... IPageLayout pageLayout = ... IDisplayTransformation ...
0
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0answers
35 views

How to create a point representing a polyline?

How do I convert a line (usually 2 vertices but can be more) into a single point in QGIS? I did it a couple of years ago using a build-in tool in ArcGIS 8 or 9 I think but have no idea how to do it in ...
0
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0answers
29 views

QGIS convert attribute table to point shape

I have imported an attribute (whith no spatial information) table from MySQL. Fortuantly it has two colums with Longtitude and latitude taken from google maps. Is it posible to use those values to ...
0
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0answers
49 views

How to convert a shapefile to binary grid?

I have a polygon shapefile with a UTM projection which I read into MATLAB: % available from http://sharesend.com/zhqsdc9x s = 'C:\path\to\shapefile.shp' % Read the shapefile shp = shaperead(s); ...
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0answers
47 views

How to convert .shp to .dgn (V8i) including attributes AND geometry?

looking for open source solution using GDAL / OGR solution looks more promising , even before someone recommended me but not not sure on how to use then QGIS 2.0.1 Dufour SHP file Left / Right ...
0
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0answers
48 views

Save label edited shapefile and convert to Microstation DGN

Usually i use FME converter to convert any file but now with the above, how to: SAVE / EXPORT the .shp file including the changes made to LABELS ( to best of my understanding, the edited lines are ...
0
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0answers
33 views

How to add and join Geodatabase Table to Feature Class in QGIS?

After finally figuring out how to open .gdb files from Arc 10 in QGIS, I need to join some tables to the spatial gdb coverages I've opened in QGIS. According to the colleague who converted the .gdb ...
0
votes
0answers
30 views

When doing table to table conversion, a text field gets converted to Blob type

I have one field that keeps getting converted to Blob type after conversion using table to table tool. The field is mostly text and fairly lengthy, maybe 250 ish characters. Is the length of the field ...
0
votes
0answers
102 views

Running OGR conversion to dxf within QGIS

I would like to automate a conversion process which converts a polygon vector dataset (either sqlite or shp) to a dxf using a named column as layer name for the dxf file. The column / layer name is ...
0
votes
0answers
41 views

what happens to attribute table while performing union, intersection, difference of gml and shp file in QGIS

I am trying to do analysis of data conversion from Shapefile to GML file using QGIS. For analysis i have taken one of each point,line and ploygon files. i first took a shapefile and converted it into ...
0
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0answers
51 views

conversion from .osm to .map with mapwriter plugin fails

I have a problem with Osmosis v 0.43 with mapsforge mapwriter plugin 0.3.0. on Windows. A command osmosis --read-xml file=C:\geo\testmap.osm --mw file=C:\geo\genmap.map bbox=0.0,0.0,51.9,19.2 fails ...
0
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0answers
51 views

Where can I find a shapefile of UK ITV regions?

I'm using UK ITV regions (see http://www.itvmedia.co.uk/new-to-itv/itv-regions) for similar reasons that DMAs are used in the US. While there are tools that can convert JPGs to shapefiles, I do not ...
0
votes
0answers
114 views

proj/pyproj converted coordinates offset

I'm using pyproj to convert some coordinates from WGS84 to OSGB36. When mapped out the converted and unconverted don't map to the same places on a map. The OSGB36 coordinates are mapped about 100 ...
0
votes
0answers
132 views

Conversion from .shp to.swf?

Does anyone know which free software can I use to convert a .shp file to a .swf?! I have created a shapefile on QGIS which I would project on STAT PLANET PLUS. In addition, I would like to display ...
0
votes
0answers
216 views

Continents geometry data / extracting contours of continents from country geometry

I have an ESRI Shapefile data from Natural Earth (Admin-0 Countries). I converted it to geoJSON format. There is no world or continents geometry there, only the county one. And I'd like to extract eg. ...
0
votes
0answers
486 views

Convert a decimal degree to meters from the MySQL Spatial GLength

The MySQL Spatial function GLength returns the distance between two points, this distance is in the same unit from the projection. Since I'm using the WGS84 (SRID:4326) the answer will be with ...
0
votes
0answers
75 views

ArcMap, how to specify cellsize in PolygonToRaster_conversion function in meter

I have a polygon shapefile that contains my country geometry data. I need to extract points from that .shp file, the condition is that distance between points is from 5 to 10 meters. So, I think ...
0
votes
0answers
75 views

Can Arc/Info Binary Grid Format raster data be converted to ASCII raster by each tiles?

Since we knew that the Arc/Info Binary Grid Format raster data (with extension .adf) is tiled raster data, can it be converted to ASCII raster by each tile? I get a global DTM data which is in ADF ...
0
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0answers
300 views

Why is “Convert Graphics toe Features” grayed out in a dataframe that has georeferenced layers?

I have brought two graphics, a species range and a heatmap, into a dataframe and georeferenced them using control points. I rectified them and now I want to clip one with the other but I can't get ...