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

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5
votes
2answers
743 views

Is it possible to generate a vector polygon from a polygon on a raster image?

I have a raster map which I have extracted from a government report providing flood extent return frequencies. I want to 'snatch' these flood extent polygons (i.e. convert to vector) and I was ...
2
votes
2answers
6k views

Converting TAB to MIF / MIF to TAB

How I can export (import) data from TAB format to MIF and vice versa?
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 ...
4
votes
1answer
648 views

Convert point XY to page units XY using arcpy?

I am using arcpy to export PDFs from my ArcGIS Server application. I want to move a TextElement in my layout view to the centroid of a selected feature. I can get the centroid of the feature, but ...
5
votes
2answers
3k views

ogr2ogr kml to shp conversion created 184 shapefiles?! What am I missing?

I'm trying to convert this KML dataset of ice arenas to a shapefile using ogr2ogr (GDAL 1.8). After some initial troubleshooting to get the script running, it's creating 184 different shapefiles (736 ...
3
votes
1answer
192 views

rgb2pct.py increases size of file 20 fold!

I wanted to reduce the number of bands of a tif file from 3 to 1... I used this command rgb2pct.py -n 256 fnp_braunschweig.tif fnp_bs.tif and it increased the size from 31mb to 778mb I actually ...
6
votes
1answer
11k 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 ...
2
votes
3answers
1k 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
546 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?
2
votes
1answer
1k 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 ...
3
votes
0answers
103 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 ...
4
votes
2answers
1k 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
210 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 ...
-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 ...
4
votes
2answers
249 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
827 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
9k 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 ...
13
votes
2answers
3k 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 ...
8
votes
2answers
980 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. ...
12
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. ...
2
votes
2answers
3k 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
191 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!
5
votes
4answers
2k 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 ...
1
vote
1answer
461 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
1k 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
90 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 ...
1
vote
1answer
120 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
1answer
23k 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 ...
1
vote
1answer
823 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 ...
3
votes
1answer
750 views

Convert feature class to raster based on attribute field values

As part of a tool, I’m trying to convert a feature class to a raster based on attribute field values. I have accomplished this conversion using IRasterConvertHelper, but this is done without ...
1
vote
1answer
1k 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 ...
1
vote
2answers
368 views

FME API Module null?

I try to convert my geodatabase to Excel. And i have a strange message: FME API version of module 'XLS_ADO' matches current internal version (3.6 20101014) Trying to find a DYNAMIC plugin ...
1
vote
0answers
389 views

How do I convert WSG-84 coordinates to lat/long? [duplicate]

Possible Duplicate: coordinate convertion: decimal degree to deg-min-sec of lat/long coordinate I am looking for either an online tool or one that I can download to convert WSG-84 ...
2
votes
1answer
637 views

ArcGIS Select Tool: Do Not Create Empty Feature Class

I am creating an ArcGIS Model that imports a number of Bentley .dgn files to a geodatabase. My workflow involves: Running the CAD to Geodatabase Tool, which brings all the drawing features into a ...
6
votes
1answer
858 views

Converting GPX track_points layer to CSV with lat/lng with ogr2ogr

What's the correct command to convert a GPX track_points layer to CSV with lat/lng coordinates using ogr2ogr?
3
votes
4answers
2k views

Contours exported from ArcGIS to DXF yield an extremely large file. Is there an alternative?

I am exporting elevation contours from ArcGIS to a DXF file so that I can FTP the result to another office. The resulting file is extremely large. When export the same contours to a shapefile (from ...
0
votes
0answers
298 views

How to convert two line to polygon [duplicate]

Possible Duplicate: Lines to Polygons Hi all, this is first my Q, so can any one help me, how to convert two line to one polygon feature, thank you.
7
votes
5answers
10k views

I am struggling to convert .dwg to .shp, ideas?

Any ideas as to how can I convert dwg to shp? I tried Kosmo and gvSIG. gvSIG kind of worked but it seems like I lost information.. in addition everything was converted into lines, no polygons. I can ...
0
votes
1answer
329 views

Convert geodata from .rdb and .mpr files

I've got an COM-server and activeX client (looks like delphi app), that display some geodata. Data stores in files with .rdb and .mpr extensions. I find out that rdb is oracle database file format. ...
5
votes
2answers
2k views

Geodatabase to PostGIS character encoding

Similar to another question I posted previously, I'm trying to import datasets from Esri geodatabases into a PostGIS database directly, and inside the data there are greek letters and symbols that are ...
10
votes
4answers
3k views

AutoCAD to ArcView

I recently got a paper copy of the as-built plan for my institution (a botanical garden), which I assume was produced using AutoCAD. I've got a bunch of graduate students coming for a week in a couple ...
7
votes
3answers
6k views

How to convert a data frame grid to a shapefile?

I have a map layout set up in ArcMap 9.3.1 with an index grid on the data frame. What I would like to do is convert this index grid to a shapefile that includes the grid reference information. I've ...
6
votes
5answers
4k views

Converting GIS features into multiple CAD layers based on attribute values

I am often requested to provide my water or sewer data in in a dwg or dxf format. I can easily move data back and forth between the two platforms using either the native import or export functions ...
1
vote
2answers
3k views

How can I convert Shapefiles (SHP) to KML? [duplicate]

Possible Duplicate: How can I convert KML to ESRI’s shapefile format? I have SHP files, I want KML files, what tools can convert?
1
vote
1answer
201 views

Convert from/to Macon MapKit!

We use an ancient Macon MapKit! component to display GIS maps in a Windows gui. Does anyone know what has become of MapKit! ? All traces of MapKit! have been removed from the current GfK GeoMarketing ...
2
votes
1answer
446 views

How to convert SHP/POSTGIS data into x, y, z, “cost” data?

Is there a way to convert a line layer (shp or PostGIS) data into (x, y , z, cost) i.e. (From_node, To_node, optional_Elevation, Cost/Weight) ?