2
votes
1answer
331 views

OpenLayers and custom Proj4 Projection

ok so I'm a newbee in using OpenLayers. I try to map some planetary data on my webMap server using OpenLayers. I defined a proj4 projection as follow: Proj4js.defs["MYDATUM"] = "+proj=longlat ...
2
votes
2answers
37 views

Performing a Python scripted tool based on whether a field is populated or not

My question is if I'm running the ArcMap Dissolve tool through a Python script, how can I tell it to check for attributes in one field, and if that field is empty, to perform the tool on another ...
1
vote
3answers
209 views

ArcCatalog 10.1 tree doesn't refresh after adding new custom IGxObject at runtime

I am using ArcObjects 10.1 (.NET) to customize ArcCatalog: adding new nodes in catalog tree like in the Esri's example. But when I add new child node to already expanded parent, it doesn't show up in ...
3
votes
1answer
182 views

Exporting records from an attribute table and placing them in a txt file

I am trying desperately to grab records in a shapefile's attribute table and copy them, with additional formatting to a txt file. Below is the code I have developed thus far: I have used the ...
1
vote
1answer
21 views

Set initial extent programmatically Android

I need to dynamically set the extent when the map loads. I have graphics that are being added to the map layer and want the extent to allow all the graphics to be shown. Currently I am getting a min ...
2
votes
1answer
359 views

What software would be useful to create General Transit Feed Specification (GTFS)?

I am doing a project in which i am required to create GTFS. I look at transit google developer forum which provide a format to create feed but that completely have to done by hand (we have to write ...
1
vote
1answer
30 views

How to get Last ObjectID of feature class using ArcPy?

I have a feature class and I need to know the ObjectID of its last record. What is the best way to find out last ObjectID? Opening a search cursor and reading all the records is one way, but is ...
1
vote
0answers
20 views

How to symbolize based on feature class and assign a unique value per point?

I am trying to produce a map in ArcGIS 10.1 that symbolizes by feature class but also assigns a unique number (as part of the symbol) to each location that will relate to a table embedded in the map ...
3
votes
2answers
71 views

Unable to zoom beyond scale of 1:2,256 in QGIS?

In QGIS, whatever might be the source, I couldn't zoom beyond the scale of 1:2256. Whether it's a raster or vector, result is the same. Does anyone know how to fix this ? Edit: Thanks to Chris. ...
0
votes
1answer
97 views

Accessing GeoServer on my own domain

I am running GeoServer 2.4.3 on Ubuntu Server 12.04 and tomcat7 and I want to access it on mydomain.com. I have searched a lot and found the all the solutions suggest to use a ProxyPass. One of the ...
1
vote
0answers
36 views

My map is little bit off

I am pretty new in GIS things and i have been learning how to use QGIS. Most of the maps are fine, but yesterday I went to GIS center at my University and I got the maps of my country that I will be ...
0
votes
0answers
19 views

How do I change graduated color class values with python?

I am trying to use python to adjust my graduated color symbols' class breaks and labels. The layer is a query layer tied to an SQL DB and I want to be able to execute my python (after the database has ...
0
votes
0answers
19 views

going from hillshade to percent shaded (gdaldem)

I assumed hillshades output percent shaded (scaled to 255) at the given azimuth and altitude but this is incorrect. A flat raster at 80 degrees altitude has a maximum value of 251 instead of 255. How ...
0
votes
1answer
90 views

Qgis Spatial Join: problem with a column!

I run the function "Join attributes by location" in Qgis 2.2 between a point vector layer and a polygon vector layer. When I open the resulting table of contents of point layer there is a column of ...
6
votes
3answers
1k views

Can Polygons be generalized to MultiPolygons in GeoDjango?

I set up a model with models.PolygonField in geodjango, using postgres as database. I try to import shp into postgres. The problem is, shp (compiled with QGIS) mixes polygon and multipolygon, hence it ...
1
vote
2answers
25 views

Are CartoDB Map views by month or by year?

We have 10000 map views with the free version of CartoDB. Are they reset every month or is it the maximum views for the all utilisation ?
2
votes
0answers
24 views

I would like to reverse Geocode from the infowindow

I am just learning the ropes with CartoDB and am curious to know if this is possible. I have a CartoDB map with points and I am entering data into this map through the CartoDB editor. I would like ...
0
votes
1answer
14 views

Postgis make error on MacOS

I could compile it with the following command on Macbook mavericks. ./configure --with-sfcgal=/usr/local/Cellar/sfcgal/1.0.4/bin Then, I receive following results along with lists: PostGIS is ...
3
votes
1answer
300 views

How to export offsets from Trimble Rangefinder?

I already asked this question at http://www.rpls.com/forums/viewtopic/8/1276880, but didn't get any answer so far. Maybe here someone can help... I have a question about the use of Trimble Products. ...
0
votes
1answer
103 views

Using ArcGIS sdk 10.2.2 for Android with gradle

Has anyone got the ArcGIS SDK from Esri to work with Android Studio(gradle)?. So far I have the done the following Extracted the ArcGIS Android SDK(10.2.2). Added the .so files (armeabi-v7a & ...
3
votes
1answer
34 views

Importing Feature Class to Oracle SDE Geodatabase Simplifies Features

I recently imported a feature class from a File Geodatabase to an Oracle SDE Geodatabase. The features of the two feature classes now look drastically different despite not having any edits made. ...
0
votes
0answers
22 views

Return features based on users credentials Geoserver WFS

We are using LDAP based authentication with geoserver which is connected to a PostGIS database. Users insert rows (features) into the table (layer) using WFS-T after authentication. Now when users ...
3
votes
0answers
52 views

How to calculate percentages using QGIS field calculator expression?

I am new to QGIS. I am wanting to calculate a field using other fields and some operators. Here is my expression: case When "RVM_CAT" = 'B' OR "RVM_CAT" = 'C' Then ("PC1" /100) * "RE_ha" When ...
0
votes
1answer
204 views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
1
vote
1answer
36 views

arcpy.mapping.Layer error when working with files over multiple dataframes

I can get the following code to run in an mxd with a single dataframe. I need it, however, to run and loop through an mxd that has multiple dataframes with identically named files and data sources to ...
0
votes
0answers
5 views

How to generate map tiles with TileStache and a custom projection

I would like to generate my own map tiles using TileStache and a custom projection. I have been struggling with this for quite some time and am hoping I can get some advice to get the tiles to ...
4
votes
1answer
210 views

Why does ArcGIS 10.1 Upgrade Geodatabase tool throw ERROR 999999: Error executing function?

I am trying to upgrade File Geodatabases using a Python script that runs fine until the step where it runs the Upgrade Geodatabase tool. The error is: "ERROR 999999: Error executing ...
2
votes
1answer
30 views

Map algebra from files in multiple directories

I'm a rookie in python programming. I want to do map algebra for multiple rasters but these rasters are in different folders. Here's the code ive created so far: #Importing modules import arcpy from ...
1
vote
1answer
19 views

Can't send an array via Protocol.HTTP()

I'm trying to send a JSON file to my Node.js app via Protocol.HTTP. The file is correctly sent, but I can't access to an array. Here is the relevant code : Client side (...) var vectorProtocol = ...
3
votes
2answers
3k views

How do you add file name to an attribute field?

Does anybody know how to add the shape file name to a field in the file's attribute table? I've found a description: 'You have to use inline variable in CalculateField like %Name% in expresssion ...
0
votes
0answers
12 views

Holes in Rasterized DEM from QGIS [duplicate]

I converted vector contours to a raster DEM using the rasterize command in QGIS. Generally the DEM looks correct, but the are a large number of holes in the DEM. The holes have a value of zero when ...
2
votes
1answer
120 views

Determine when I have crossed state line?

We are currently using the Google Maps API to get route information and total mileage but we would like to determine when we are crossing into a new state. When we return the route information we can ...
2
votes
3answers
176 views

Setting Zero values back to NULL

I'm working with ArcGIS 10.2 for Desktop and OS Windows 7. I need to set numeric vales from Zero back to NULL, but I can't from the field calculator. I'm working with a vector file and I need to ...
0
votes
1answer
8 views

ArcGIS JavaScript API - WFS workaround?

Does anybody know of an existing script or a workaround that will convert WFS returned data into something that the ArcGIS JS API can digest and display? Essentially, it would be some sort of script ...
1
vote
0answers
30 views

Scaling features based on an attribute

I would like to scale polygon features by a specific factor I have calculated for each feature in a feature class. I know of the Scale tool, however it only allows for manual entry of a scale factor ...
2
votes
0answers
14 views

Populate a layout text element with the description from a coded value domain

ArcGIS 10.1+ lets you easily put dynamically populated text boxes in your print layouts. Doing so puts some text in the text element that looks something like this: <dyn type="page" ...
1
vote
1answer
3k views

Uncaught SyntaxError: Unexpected token : when using ajax

I try to call json data from geoserver, but when i try to run it in chrome, it return this following error "Uncaught SyntaxError: Unexpected token :" This is my code, function ...
-3
votes
0answers
53 views

why isn't the GISP Certificate called the ArcGISP or EsriP? [on hold]

When doing a search for "open source", "QGIS", "google", "MapInfo", "Smallworld" etc. on the http://www.gisci.org/Home.aspx site you get zero results. Searching the same site using "esri" and "arcgis" ...
2
votes
1answer
59 views

Levelplot(RasterVis) two marginal plot scale?

How can I add/display scale to two marginal plot? RAD1998.all <- stack(list.ras) list.files <- mixedsort(list.files(paste(getwd(), "/1998bil/", sep = ""), full.names = F, pattern = ...
6
votes
1answer
94 views
+100

How to get status of a layer in geoserver using gsconfig?

I am getting all published layers from geoserver using gsconfig using following code: from geoserver.catalog import Catalog cat=Catalog("http:// localhost:8080/geoserver/rest") myResource = ...
2
votes
1answer
50 views

Where can I find a shapefile of the UK electricity grid network?

Does anyone know where can I download a shapefile with the UK electricity grid network?
2
votes
2answers
48 views

How to create a line output from a buffer instead of a polygon?

I am looking to create a graduated line buffer like in the image attached. I was wondering if there was a direct tool to do this? I can do it in a few steps, but that may take too long. I also ...
1
vote
1answer
29 views

How do I join an MS Access (accdb) table to a Feature Layer in ArcGIS 10.1?

I would like to join a table from a microsoft access database (.accdb) to a featurelayer in ArcGIS 10.1. How do I associate tables from that database with existing layers that have a matching ...
0
votes
0answers
14 views

Composite geocoder in ArcGIS 10.2.2 gives different results on second run

I am using a composite geocoder created in ArcGIS 10.2.2 with parcel points, address points, 3 street databases, city and zip code points. When I send the same address database to the geocoder a ...
0
votes
0answers
12 views

What is the workflow to add more records from CSV files to a point feature in Oracle Spatial?

We have some GPS data in CSVs to export to existing features in database schema. The CSVs have the same attributes columns, as that of the tables in ORACLE (missing objectIDs, geometry and globalID). ...
4
votes
1answer
123 views

Free website host for embedding tilemill/mapbox web map

I am hoping to design a simple interactive web map using TileMill. I am then planning on uploading that map to Mapbox.com, where I understand I will be given an embed code to put on a website. My ...
2
votes
1answer
247 views

Print City Map in High Resolution with TileMill (OSM Data)

I'm rather beginner in Print Map and GIS. I'd like to print the map of my little city using the data in OpenStreetMap. I've got an environment(local) with OSM DataBase and I'm using TileMill to ...
0
votes
1answer
61 views

Get Index for a group QGIS Python

I am trying to add new layers into a specific group which I can get to work if I know the index but how can I get python to fid the index of a group so it can load the new layer into the group ...
1
vote
0answers
39 views

Script tool: Batch downgrade MXD version

I am trying to take the guts of this code (Batch convert ArcGIS 9x files to 10) and build it into a tool that we can more flexibly use and share around our organization. I think I'm almost there but ...
-2
votes
0answers
5 views

External component has thrown an exception Message [on hold]

Can anybody help with this error message? System.Runtime.InteropServices.SEHException: External component has thrown an exception. at MapWinGIS.ShapefileClass.BeginPointInShapefile() at ...

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