"Convert" usually tags questions where a change of physical file format or of coordinate representation is needed.
2
votes
1answer
51 views
What is the formula to convert WGS84 coordinates to EPSG 2163?
I'm looking for the formula which converts wgs84 coordinates to epsg 2163. I know that QGIS can do the calculations but I need the exact formula.
Cheers!
1
vote
1answer
25 views
Raster to polygon conversion's raster field takes only “Value”
Recently I am working with raster data and arcobjects.net. Here I find something new for me. And here some question arises in my mind. I tried to search some document that can satisfy my mind, but I ...
2
votes
1answer
28 views
ArcMap 10.1 convert layer to CAD - clipping only desired area to send out to DWG
Is there a way to covert a layer to DWG such that only the desired area of the layer is exported out to a DWG? My issue is that the layer (parcels) contains all parcels for an entire county, so it is ...
0
votes
1answer
20 views
How to hide/suppress and rename/alias fields when exporting to KML?
I have a feature class that needs to be exported to a KML file. I wonder if there is a way for me to export only some of the columns of the feature class's attribute table; some attributes are not ...
1
vote
1answer
62 views
QGIS contour lines shapefile to DEM help
I want to create a DEM from depth contours (shapefile) in QGIS. I've been trying to work out how to do this based on this previous question, notably from this link from that page, however I'm stuck, ...
1
vote
0answers
37 views
Feature to Raster Conversion Results in Empty Raster [closed]
I have a simple shapefile with one feature in it with a single value (of 1). I am trying to run a Euclidean Distance on that feature, but I get "invalid parameters" errors.
So I tried to convert the ...
0
votes
2answers
57 views
convert geotiff to simple xyz elevation file?
I have looked everywhere and can not find a tool to convert a geotiff file to a simple ascii elevation file... did I miss something?
thanks for any pointers!
1
vote
0answers
118 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 ...
2
votes
1answer
41 views
ArcGIS JS API Polygon's WKID conversion with gsvc.project
I'm trying to convert polygon from wkid 3301 to wkid 4326. I've been using this code snippet for converting points, but I'm not sure how I would accomplish this to create a polygon object. I'm not ...
1
vote
1answer
128 views
postgis distance calculation between points with lat, long coordinates
Team,
I am new to postgis, but a postgres user for quite a while. I would like to compare
the geospatial capabilities between postgresql and mongodb.
I have the lat.lon, zip code of US locations;
...
2
votes
1answer
50 views
MrSid => GeoTiff
I have a MrSid file that I would like to convert to a GeoTiff. Is there a way to do this on a Mac running Mountain Lion? I know it can be done on Windows and Linux using the LizardTech command line ...
7
votes
1answer
102 views
How to rename field names in a shapefile?
I need to rename the field names (attributes) in a shapefile. Is there an easy way to do this from the command line?
1
vote
1answer
75 views
find euclidean distance in GPS [duplicate]
i need to find the distance between two gps location, So i think to do this:
lat1(seconds)-lat2(seconds)=lat * 30.7151 == distance latitude in meters =Latm
long1(seconds)-long2(seconds)=long ...
3
votes
3answers
134 views
How to convert geometry to WKT using ArcPy?
I would like to be able to convert a single feature (or potentially many features) in an ArcGIS layer into Well Known Text (WKT) format during a geoprocessing operation using Python and ArcPy (no ...
2
votes
0answers
35 views
What traits identify 2D, 2.5D, 3D geometries, and how can you convert downward, such as from 25D 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 ...
-1
votes
1answer
57 views
easting , northing and elevation. convert to station and elevation
how can i convert x,y,z ( eastings, northings and elevation) data into station and eleveation.I am trying to input the data into HEC-RAS which only takes station and elevation.
0
votes
1answer
119 views
convert GPS to x,y using reference node
i am using sensor nodes and their antenna to calculate GPS coordinates as notation of (degrees/minutes/seconds), i have some question of how to do these things:
how can i convert latitude and ...
0
votes
2answers
68 views
Why is QGIS reading in my CSV numeric data as string data, and how do I change it? [duplicate]
QGIS keeps reading in my numeric data from .csv files as string data. This means I have to figure out how to read it in with the proper data type, or convert it back to numeric inside of QGIS, ...
1
vote
1answer
62 views
British National Grid to KML results in offset polygons
I have a shape file of English wards from ONS.
It is similar to the files available here:
http://www.ons.gov.uk/ons/guide-method/geography/products/census/spatial/2011/index.html
except I had to ...
0
votes
1answer
70 views
Using the API of QSpatiaLite plugin
I am using the popular QSpatiaLite plugin for QGIS. Since I am creating and modifying SpatiaLite tables directly with Python (using pyspatialite), I wonder whether I can automate tasks such as ...
2
votes
1answer
165 views
WGS84 - how to convert
I have multiple locations saved in WGS84 - it looks like e.g. latitude: 12345678 longitude: 87654321. I tried to search it on the map this way: 12.345678 87.654321, but it doesn't match the place it ...
1
vote
2answers
72 views
Reducing the resolution of a huge raster
I'm not much of a GIS user, but I've got a big ascii file that I'm trying to convert into a
lat long data
x1 y1 d1
x1 y2 d2
x1 y3 d3
x2 y1 d4
...
etc
format, so that I ...
0
votes
0answers
32 views
how to convert the L1G raster file to geo tiff,
I have downloaded I mage from GLCF, its in LG1 format, how I can process that image in erdas software, or is there any methods to convert it into geo tiff,
0
votes
4answers
149 views
Coordinates conversion doubt
In QGIS do I have a EPSG:4326 shapefile that shows the coordinates "-7148300 -3688500" and I need them in the format -64º -31º for further processing in a geodjango app.
However using ogrinfo I get ...
4
votes
1answer
212 views
How can I convert a 10.1 mxd file to 10.0?
I upgraded from 10.0 to 10.1 for a few days. Due to conflicts with other packages, i had to downgrade back to 10.0. Now I cannot open any .mxd file I opened with 10.1.
I did not create any with ...
1
vote
2answers
78 views
What software is available on OSX for working with DEMs?
I have several adjacent DEM files and would like to combine them into a mosaic and then export to DEM and TXT. I know a Windows solution is to use MICRODEM but before installing Windows 7 I would like ...
0
votes
1answer
232 views
How to convert a shapefile to WKT?
I'm trying to convert a shapefile into the simple Well Known Text (WKT) format in the example below (from http://en.wikipedia.org/wiki/Well-known_text).
MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),
...
0
votes
1answer
60 views
Convert feature to raster, not just the shape
First thanks for your Help
I have been trying to find an answer on previous question but I could´t. I am trying to convert a shape file into a raster, but the ARCGIS gives values only to outside ...
2
votes
1answer
169 views
GDAL_translate: converting ESRI GRID to Geotiff in batch
The Challenge:
To batch convert 1000 rasters in ESRI Grid binary to Geotiff using either using a batch file or Python 2.7 without ArcGIS/Arcpy module.
The Tools:
Win7Pro, GDAL 1.9.2 (via OSGeo4W), ...
2
votes
0answers
87 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-->
...
1
vote
0answers
95 views
Convert .mxd to .qgs, MXD2QGS fix?
I've had a look at the following thread about using MXD2QGS and so far I've figured out that this only works with version 10.0 and Python 2.6. I installed MXD2QGS on a machine with Arc10.0 and Python ...
2
votes
0answers
114 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
votes
2answers
141 views
Why do I lose data after converting from .xlsx to .shp?
I have a fairly large excel file that I need to convert to a shapefile, but everytime I export the data, I lose a bunch of it. The excel file has about 277,000 records, but the shapefile will only ...
2
votes
1answer
68 views
geocoding addresses specifically into NAD1983 or converting X,Y into 1983 after geocoding
I'm going bananas trying to geocode addresses into a NAD1983.
I have ArcMap 10.1 and I'm using the default address locator (North American 10.0 from arcgis online). No matter how low I set the ...
1
vote
2answers
167 views
Automating batch load of multiple GPX files into PostGIS
I've got 50+ GPX files that I would like to "batch load" into a PostGIS database. All of the track_points data would be loaded into a "track_points" table (with typical GPS fields like lat, long, ...
3
votes
1answer
201 views
How to convert jpg file to shapefile?
I am developing a GIS application like this:
By now my steps are:
I have got a jpg file, 5040 x 8179 dimension. In this map, the roads, rivers, towns etc. are marked.
I am using .Net to develop ...
0
votes
1answer
287 views
How to convert AutoCAD file to Shapefile for map from ArcGIS API 3.2 for JavaScript?
I have an AutoCAD file that I want to convert to Shapfile to appear in a map by API for JavaScript in .net. What do I do?
5
votes
1answer
141 views
How to convert coordinates in a .csv into another CRS in QGIS
How can I convert coordinates which are stored in a csv and in a certain format in a different CRS, i. e. I want to convert GK 3 (EPSG:31467) into WGS 84 (EPSG:4326).
I am using QGIS and already ...
1
vote
1answer
130 views
ArcObjects 10.1 .NET Convert Point from WGS1984 to OSGB1936
Please can someone help me convert a point in WGS1984 to OSGB1936, I have followed all the documentation (or so i think...) and yet have not made any headway into this problem. This is my code :
Type ...
0
votes
1answer
61 views
Is it Possible to Convert a GRD File into an ASC File in QGIS?
Is it possible to convert in QGIS a GRD file (that was created in MapInfo) into an ASC file (that can be imported into SAGA)?
Is it possible to "extract by mask" a section of a GRD file in an other ...
1
vote
2answers
63 views
Getting 2147483647 and -2147483647 as min and max output for point to raster, polygon to raster, and feature to raster tools
No matter which feature to raster tool I use (feature to raster, point to raster, or polygon to raster), I am getting a raster output whose min and max values are 2147483647 and -2147483647, ...
1
vote
0answers
64 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 ...
-1
votes
1answer
142 views
layer to KML conversion
I am using arcgis 10.1 and my concern is to convert a layer to KML. The size of the layer that I would like to convert is of 7KB.
For some reason it is being converted all the time with errors. Any ...
0
votes
0answers
51 views
why the Dxf2shape pluging doesn't work?
I have a problem with the dxf2shape converter in my windows pc, when I try to make a conversion, the shape file is not generated and sometimes the program crashes, I have tried this plugin in a ...
0
votes
0answers
49 views
Is it functional on the fly between WGS84(GCS) data and bessel1841(MGI/Balkan zone7) data
I confirmed already on the fly function between two data which have different coordinate system if they are used the same datum.
On the other hand, I could not see overlap between WGS84(GCS) data and ...
8
votes
1answer
384 views
How to convert GDB data to shapefiles without ArcGIS?
We've got some data (supposedly it's a simple collection of points--or at least that is all we need to extract) from a 3rd party in a GDB folder (I don't know how to tell what version) but we don't ...
0
votes
1answer
78 views
ArcGIS 10.0 Running Python function CADToGeodatabase() crashes ArcMap/ArcCatalog
My code:
import arcpy, csv
from arcpy import env
dgnfile = str(arcpy.GetParameterAsText(0))
outFeatureClass = str(arcpy.GetParameterAsText(1)) #the fc in my fgdb template to be ...
1
vote
0answers
36 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 ...
3
votes
1answer
476 views
Convert GPS coordinate to ArcGIS x,y point?
I'm trying to plot some AGSSimpleMarkerSymbol's in a AGSGraphicsLayer. The issue I'm running into is that the data I'm starting with are GPS coordinates (lat/lon). I'm using AGSPoint to plot the data, ...
1
vote
0answers
127 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 ...
