3
votes
2answers
3k views

Assign Z-values of river stream segments

I have used Interpolate shape tool in 3D Analyst (ArcGIS 9.2) in order to obtain Z-values of each segment along the stream lines. As input features I use Riverstream.shp file and as raster surface ...
3
votes
4answers
4k views

WFS getfeature request with diffent SRS

I'm having problems with a WFS getFeature request. I'm using openlayers with an OSM map as baselayers which use the google projection. Overlaying the layer with WMS works perfect. When I do a request ...
3
votes
1answer
621 views

Batch clip feature class to preserve area field

I have a large land cover map in a geodatabase, that I want to batch clip by defined catchments (about 63 polygons). The output files are named based on a field in the "clipper" (sys.argv[2]) called ...
3
votes
2answers
641 views

batch create DEM from contour maps (open source)

I have around 100 shapefiles of contours (1m interval) that I need to turn into DEMs; Is there a way to batch create these mde from contour lines? Using open source preferably.
3
votes
2answers
2k views

Simplifying Shapefile using ArcGIS Desktop or alternative?

I have a shapefile that contains neighborhood boundaries that I want to simplify. Right now I am thinking of converting the shapefile to Google maps KML so I can insert the boundaries into the map as ...
3
votes
2answers
8k views

How can I display this polygon in Google Maps, properly

NOTE: this question is sorta like a follow-on question to this original GIS Question I asked. In that question, the main suggestion was that I was trying to show two polys. Now, I'm asking about a ...
3
votes
2answers
3k views

Batch Processing 400 MODIS HDF4 Files Using Several Tools In ArcGIS 10

This is my first post, I hope I don't screw it up. We have about 400 MODIS HDF4 files we are looking to batch process in the ArcGIS 10 or Python environment. The tools we are looking to use are ...
3
votes
5answers
948 views

What's the syntax for an AttributeFilter in FME?

I want to use AttributeFilter and I need to filter data by ATTRIBUTE1 with possible values of ATTRIBUTE2. What is the syntax for it? I tried: attribute2 &attribute2 $attribute2 ...
3
votes
1answer
2k views

Pan & Change Zoom to show Fusion Tables Query Results in Google Maps JavaScript API V3

I've created this map -- https://s3.amazonaws.com/pdb.files/lookup_auto2.html -- using Google Fusion Tables and Google Maps API. I'm attempting to modify the code so that the map will pan and zoom ...
3
votes
1answer
2k views

Clipping MrSID files in ArcGIS Desktop?

Does anyone have experience subsetting/clipping a large NAIP imagery file in MrSID format? Some of the NAIP files we have are by county and they have really large file sizes. The files are from the ...
3
votes
3answers
2k views

ERROR 000800 when trying to snap points layer to line or buffer layer

I am very new to GIS, so go easy on me. I am using ArcCatalog 10.0 and trying to snap a set of points to another layer that has roads in it. The points represent 10th miles along the road. Here are ...
3
votes
2answers
508 views

Using IRelQueryTable

I create a RelQueryTable like this to join a GeoFeatureLayer to an external table. Everything seems to work (no errors, I can look in the table and see the correct fields.) Silly question: what do I ...
3
votes
2answers
5k views

Is there a way to limit the overview map to a certain zoom level?

The OpenLayers overview map control works great when I use standard options. I would like to limit the overview to one resolution, but I can't seem to find the right combination of values for the ...
3
votes
2answers
889 views

How to get all features in current extent

I like to add text information to each feature in the shown map extent in my MapControl/PageLayoutControl. Adding the text is not a problem, but I couldn't find a way on how to get the features. Is ...
3
votes
2answers
1k views

How to set a custom center and zoom level for Zoom World icon in OpenLayers?

OpenLayers Zoom Pan Control has a Zoom World Icon. When it is clicked the map zooms all the way out. Is it possible to override this behavior and define a center and zoom level to which the map should ...
3
votes
2answers
510 views

Determine point relation to given line

In ArcGIS engine I have a polyline with From and To points. I also have a Point. How can I determine if the point is located on the right or left of the line on the plane considering the direction of ...
3
votes
2answers
938 views

ArcObjects: IMapEvents.FeatureClassChanged doesn't fire if the layer's previous data source was invalid

Is there any other event besides IMapEvents.FeatureClassChanged that will be fired when a layer's data source changes? FeatureClassChanged doesn't seem to fire if the layer's previous data source was ...
3
votes
1answer
752 views

Arcobjects: Is my spatial reference Geographic or Projected?

I have the user select a coordinate system with the Spatial Reference Dialog. Is there a simple way to determine if the resulting spatial reference is a Projected or Geographic CS? I would of ...
3
votes
1answer
1k views

Postgis: Is there a way to do an intersection query based on lines while taking into account the dateline?

This is an exact copy of a question I asked on Stackoverflow a few weeks back and still haven't found a good answer for it. The original question is from here: original question. I've been searching ...
3
votes
4answers
2k views

Looking for the best data source for a geocoding database for Canada

I'm planning to build a Geocoding database for Canada. The goal is that - the database should be able to provide latitude and longitude for any given street level address in Canada. A similar ...
3
votes
2answers
2k views

How to write a SQL WHERE Clause using Multiple Choice values in FME?

I published a parameter which is of Choice Multiple type. I wish to use values from this parameter for WHERE Clause when Reading Inputed Data in the begin of Workbench. So there is no problem if I ...
3
votes
2answers
823 views

Creating Regular points every meter at a county level. Is this possible?

I have a need to create regular points with a coordinate every meter in a county. I've tried several methods including Hawthes Tools in ArcMap9.3, ET GeoWizards, and the standard Toolbox. I have ...
3
votes
1answer
622 views

How to make a transparent background image using r.out.png?

Can the white background of the r.out.png of GRASS be changed to transparent?
3
votes
1answer
750 views

Identify with Layer Toggling

I have spent some time reading the numerous threads about setting the identify task to work with layer toggling and I seem to have it working properly except for one small issue. The identify task ...
3
votes
2answers
2k views

ArcObjects: Getting the properties of a layer that has lost its data source (VB.NET)

When you save an ArcGIS map document (MXD) and then change the data source of a layer in the MXD, you can no longer see the layer in the MXD and you must redefine its data source. But suppose you ...
3
votes
1answer
3k views

OpenLayers WFS protocol query after vector layer creation

I want to be able to create a layer on init, then load features from a WFS protocol afterward. I'm having trouble doing this. Using WFS protocol in vector constructor works fine and is not my ...
3
votes
0answers
1k views

Converting projected coordinates to google maps pixels

I have a single polygon in a local projection system. I would like to convert that polygon into an image that can be used as an overlay on google maps. I understand that it may be better to use ...
3
votes
2answers
3k views

Reading Coded Domains from ArcSDE 10 RDBMS using SQL/ADO.net

I need to read ArcGIS Domain Coded Value pairs (value/description) from SQL Server / Oracle in SQL (i.e. not using ArcObjects). This is an XML field. I can get the domain definition thus select ...
3
votes
2answers
2k views

How to create a feature class in a file geodatabase in ArcGIS 9.3 with Python?

I'm not entirely sure if I am using the correct terminology, so I apologize in advance. What I am looking to do is create a file geodatabase and add a feature class directly into that file ...
3
votes
1answer
5k views

Why can't I get MapServer to show a raster?

I am trying to use MapServer to display a raster image (png). That's it for now at least. However, I am having no luck. When I visit my map by using a link like: ...
3
votes
1answer
383 views

How to get first, most current coordinate in GeoCoordinateWatcher?

It seems like when I have an app that uses a GeoCoordinateWatcher and I attempt to get the first coordinate, it always pulls the last coordinate that the GPS used first when raising the ...
3
votes
5answers
2k views

When a raster is clipped to a polygon with Python, why does it still take on the extent of the entire shapefile?

I am clipping a raster image to each polygon row in a shapefile in ArcMap 9.3 using the Clip tool (Data Management) in Python with Clipping Geometry set. While the clipped raster successfully depicts ...
3
votes
1answer
786 views

Does the ArcGIS Javascript API support multiple map service urls per layer?

I've called tilecache from OpenLayers in the same manner as the example below. Is it possible to do something similar with the ArcGIS WMS map layer? var urlArray = ...
3
votes
3answers
2k views

NDVI image value changes from -1 to 1 in ENVI to 0-255 in ArcGIS Desktop and ERDAS Imagine?

When i open NDVI image in ENVI, its value is still within the range (-1 to 1). But when I open this NDVI image in ERDAS and ArcGIS Desktop, its value is 0-255. What does it mean? Is the NDVI ...
3
votes
5answers
3k views

Batch process to get single band image from stacked image using ArcGIS, ERDAS or ENVI?

Can you help me to extract a single band image from stacked multiband image. Totally, 260 image has been stacked. When I do to this, it will take a long time. So I'd like to know there is any batch ...
3
votes
1answer
1k views

Mapserver, TMS, Scales zoom levels and how to deal with all of it

I have a whole bunch of data in my db that I need to draw at different zoom levels using Mapserver. Everything uses a 4326 SRID. My (custom) client, will fetch the data using 20 TMS zoom levels and ...
3
votes
5answers
3k views

Where to find a polygon database of golf courses in the US?

Does anyone know where I can find an accurate polygon database of all golf courses in the us?
3
votes
2answers
1k views

How to get a list of features from FME? Python?

I would like to get a list of geodatabase feature tables from FME. Is it possible with Python? Or another transformer? Thanks.
3
votes
1answer
1k views

Configuring pgRouting on Win7

I'm installing pgrouting (ver 1.03_pg-8.4.2) on my windows machine. I installed PostgreSQL and postgis without any problem, then I downloaded the binary package of pgrouting and I installed it (copy ...
3
votes
2answers
496 views

Getting ArcMap reference without launching application?

I need to get hold of ArcMap properties in order to change the data source of the layers within it. I have developed a similar utility earlier utilizing ICommand, but I was curious if I could get a ...
3
votes
2answers
1k views

How can I deserialize json to create an IRecordset?

I've got a Silverlight client that serializes a FeatureSet and sends to an SOE. I'd like for the SOE to deserialize the json into an IRecordSet. ESRI.ArcGIS.SOESupport.Conversion has a method for ...
3
votes
1answer
473 views

Mapserver - Hide Labels

I'm creating a map with some layers, each one has a label, the problem is that, Mapserver is displaying the labels of bottom layers, so it is mixing all the label. Is it possible to hide label that ...
3
votes
1answer
2k views

sharpmap overlay mapinfo on bing/google

I want to use sharpmap to overlay a mapinfo tab file onto google or bing. I have it working pretty much at the moment however the co-ordinates that bing/google show are in correct so my mapinfo file ...
3
votes
2answers
733 views

Generate cache tiles for EPSG:27700 for use with OpenSpace

I am using GeoServer 2.1.0 (windows jetty local install for dev), open layers and Ordnance Survey openspace api and have a set of shape data that I am using as an overlay. Everything is working as ...
3
votes
2answers
828 views

FME - Convert DWG to JPG

I am a beginner in Safe FME and i need to know how to Convert DWG files to JPG Files. Is it possible?
3
votes
3answers
3k views

Transform Data with Microsoft Spatial SQL

Is there a way to transform geographic data in SQL Server 2008 R2? Specifically, I want to take Lat/Long data and convert it to a State Plane coordinate system.
3
votes
1answer
772 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 ...
3
votes
1answer
587 views

Setting Spatial Reference for Geometry Bag using ArcObjects and VBA?

Within the ESRI SDK resources there is an example of combining polygons by use of a geometry bag. The following code appears: 'Define the spatial reference of the bag before adding geometries to ...
3
votes
1answer
608 views

Why are the formats of these coordinates different?

I'm really sorry if this is a silly question (and I'm sure it is) but I have tried searching but I am a complete newbie to coordinates and maps and I don't know what I'm looking for so am not finding ...
3
votes
2answers
246 views

Very Inaccurate Geocodes in Canada (Quebec)

Edit: Found this page detailing the standard geocoding abbreviation types which may be of use when trying to match foreign street types. It appears that we'll have to create a much more robust ...

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