1
vote
1answer
223 views

ArcGIS 10.1 SDE database schema other than SDE or DBO

Just wondering if it's possible to apply a schema other than SDE or DBO to SDE feature or raster tables stored in an enterprise database on MS SQL Server 2008 R2. I have got a new customise schema ...
1
vote
1answer
10 views

ERROR 000989 Issue with Python Script and Field Calculating distance between two long lat points

very new to scripting and I have been struggling with my script for a while. I'm not sure why it doesn't work in field calculator. I am trying to calculate a list of distance between two long lat ...
1
vote
2answers
29 views

What are QGIS Arcpy Equivalent Functions for MakeFeatureLayer and SelectLayerByLocation?

I have a script that I had created using ModelBuilder, but our field personnel use QGIS 2.0. Below is a snippet of the code. I am wanting to know if there is an equivalent using pyqgis so that I can ...
0
votes
1answer
151 views

How to solve sqlite_rtree_geometry_callback error?

I have just installed qgis 1.8 and it show error message the procedure entry point sqlite3_rtree_geometry_callback could not be located in the dynamic link library sqlite3.dll How to fix ...
5
votes
1answer
41 views

Symbolizing using RGB values from Excel in ArcGIS for Desktop?

I have an excel file with 2 attribute columns, 1-feature info 2-Number of color (RGB) that the current feature should be symbolize. This file file can be joined with the layer using the "feature info" ...
0
votes
1answer
156 views

How do you change starting point on a polyline? (split tool)

There must be an easy fix for this. I am using the split tool and I want it to split a polyline into equal parts. For some reason, it is starting in the middle of my polyline. How do I force it to ...
0
votes
1answer
16 views

Read ellipsoid parameters

I would like to retrieve the semi-major axis of ellipsoid of a layer (any layer) using Python API. It seems that crs class can read only the ellipsoid acronym (?) Apparently, QgsDistanceArea class ...
1
vote
2answers
81 views

region growing feature selection using arcpy

I have a polygon featureclass consisting of parcels touching boundary with each other and for which areas are computed in the attribute table (Figure a). I want to select polygons in an iterative way ...
1
vote
1answer
19 views

why am I getting a horizontal solid strip when projecting large image?

I am using Mapnik to create tiles on a tile server. I'm depicting sea level rise in North America using SRTM data, and it works fine in most of the continent. However, when zoomed out in my browser ...
2
votes
2answers
101 views

Framework/software for dynamic WPS creation

We have some specific EO data processing facility and are about to provide an access to one using WPS-based interface. The are plenty of solutions for the task. However, it is hard to find one that ...
2
votes
2answers
40 views

How to calculate percentage of selected area from DEM?

I am working with elevation data and performed a local operation to convert it from meters to feet. I am interested in finding the area (expressed in percentage) that is above 4000 ft, but I have ...
1
vote
1answer
160 views

How to create sequential field based on sorted data? (or extract pop-up data?)

I downloaded a kmz field and converted it to a GDB fc on arcmap. However, the field I need to label the layer by is stored in the pop-up html field... It looks like this: <html ...
0
votes
0answers
33 views

ArcGIS 10.1 - Error No spatial reference exists

I'm encountering a new error on some geoprocessing. It originally showed up while running commands in arcpy but now it crops up whenever I run some tools. I've been using the Extract by Mask on some ...
6
votes
3answers
1k views

Is anyone successfully using arcpy.ExportMetadata_conversion?

I don't know if it is a bug or my lack of python skills, but I keep getting 'ERROR 000816 The tool is not valid' in my python script when I call ExportMetadata_conversion Initially, I was attempting ...
0
votes
2answers
13 views

Creating new raster based on spatial extent and classes of one raster and average of another using ArcMap?

I have a raster that is split into classes and I wanted to make a new raster with this raster's spatial extent and classes but displaying the average values from a different raster. I am not really ...
0
votes
2answers
2k views

Geoserver Access-Control-Allow-Origin

I have web client on Apache and WFS service on Geoserver, both on same computer! Web client is (Apache) running on port 89, and Geoserver is running on 8181 port! I do following settings in Apache ...
1
vote
2answers
28 views

Exporting GIS Images with Transparency

I'm trying to export some images of Gulf of Mexico infrastructure that will later be used for non-GIS purposes as overlays onto sea current/weather maps (likely in photoshop). I have no clue how to ...
0
votes
1answer
7 views

Multiple Layers Boundless Suite-SDK ol3view

I am currently building a simple web application with the Boundless OpenGeoSuite SDK ol3view (Openlayer3 viewer) and I was able to get one layer to show up from my geoserver instance but I would like ...
1
vote
0answers
5 views

How to create a infotemplate that displays automatically

I have created a postcode search that that highlights a polygon and zooms in. but I would like it to display a infoTemplate box with having to click in it. I want it to show when the function runs. ...
126
votes
16answers
45k views

How do various JavaScript mapping libraries compare?

I am working on a web-based mapping system and I'm trying to figure out the best/most appropriate library to use. There are a few of them about and they each have pros and cons. Even after trying a ...
1
vote
1answer
18 views

How to remove data points that don't overlap with other data

I am working with a dataset for the whole state, but I want only the data point that overlap with another polygon dataset. How do I get rid of the excess points that don't overlap?
0
votes
0answers
12 views

Is there a faster alternative to arcpy spatial join?

I am wondering if there is a more efficient method than using arcpy spatial join in python. I am currently using intersect and closest methods (including a near distance field) so would need ...
1
vote
0answers
16 views

Using tool validation to create parameter based on fields of another parameters input?

I'm assuming I'm missing something and this is a pretty easy thing to do but I'm stumped... I'm working on a script that currently takes and input excel file and uses a "hard coded" field name that I ...
0
votes
0answers
3 views

How use POST method in MapFishPrint?

I have one problem to print maps using mapfish print, when I need to print vector layers occurs HTTP error 413. Because this i have using POST method, but occurs other timeout; Mapfish print 2.1
0
votes
0answers
4 views

Using ArcGIS Explorer Find function to locate layer feature

I'm new to using ArcGIS Explorer. I have map of a state, overlaid with a grid that a colleague made. Each grid cell has a unique number associated with it. I'd like to be able to search for a specific ...
0
votes
1answer
11 views

Problem installing r.hydrodem with g.extension in GRASS 7.0.0svn (r61585M) on mac OSX 10.10.1

I'm very interested in using the function r.hydrodem in GRASS, unfortunately, I'm running into some problems when trying to install this add-on in GRASS 7. I've tried installing some other add-ons ...
2
votes
2answers
193 views

Call ArcGIS Repair Geometry Function from Oracle 11.2

Could anyone please point me to the right direction on how to call an ArcGIS Function (i.e. Repair Geometry) from PL/SQL? All information I found so far concerns the other way round. This is needed ...
4
votes
2answers
270 views
+50

Misplaced Google Maps with OpenLayers plugin in QGIS?

I was using Google Maps with OpenLayers plugin in QGIS with my vector layer with projection EPSG:4326 with google map projection EPSG:3857 and "on the fly" transformation enabled. It was matching ...
0
votes
1answer
25 views

How to load an ENVI file into ArcGIS?

I received a series of *.img files with a single .hdr file that contains the necessary georeferencing information (i.e., samples, lines, coord system, etc.). I presume this is an ENVI header file ...
0
votes
0answers
8 views

CartoDB - Multipolygon not showing intersections

I'm having an issue with Multipolygons on CartoDB. I have a very simple scenario: A multi polygon row on a table that needs to be displayed on the map. Fact is that when more than two polygons ...
0
votes
0answers
6 views

postgis resampling two rasters to a common intersection grid?

I am testing the PostGIS map algebra (ST_MapAlgebra) on two different raster tables. Each table contains a single image/row. They have the same SRID but different, overlapping extents and different ...
1
vote
1answer
23 views

SLD supports <Displacement>?

I am trying to give style to a vector point layer published on GeoServer and I can notice the displacement command is not working. (Displacement inside PointSymbolizer Graphic) Do you know it could ...
0
votes
0answers
17 views

How can I draw a Line on a Shapefile?

I have a problem, in Java I can draw points on my Shapefile, but I don´t know how to draw a Line. I found the SimpleLineSymbol, but don´t know how to use it further. My first try was LineString ...
0
votes
0answers
9 views

I'd like to change the style of a polygon based on its size in Mapserver?

I would like any polygons on a certain layer that are larger than 40,000 square feet to draw as transparent.
0
votes
1answer
149 views

Set Minimum Zoom for View in OpenLayers 3?

How can I set a minimum zoom level for a view in OpenLayers 3? map = new ol.Map({ layers: [imageLayer, vectorLayer], renderer: 'canvas', target: 'map', view: new ol.View2D({ ...
0
votes
0answers
34 views

Alternative way to find intersection between two polygon feature classes

I have been working on making a script to find intersection between two polygon ArcGIS feature classes. I can successfully do this in arcpy instances using spatial join or using search cursors on the ...
0
votes
1answer
91 views

request two layers in search action of one PanelForm

here's my case: i have a panelForm with 4 fields, and a search button, that search for the features that correspond to the 4 fields given by the user. and i have two layers that both contains the 4 ...
1
vote
0answers
35 views

Creating an irregular points grid — one with regular along-slope distances

I am currently using QGIS to try and prepare a series of equally spaced -- along the terrain slopes -- sampling points within various NVC (National Vegetation Classification) sites in the UK. I am ...
0
votes
0answers
19 views

error converting shapefile to geoJSON with Ogre online tool

I am using on online tool built with ogr2ogr to convert shapefiles to geoJSON: http://ogre.adc4gis.com/ It's worked well except for one shapefile, and I can't see why... The shapefile has only six ...
0
votes
2answers
28 views

How to obtain data to create average precipitation in 2012?

I am currently doing a final project, which I have to create a map of 2012 average precipitation of lower 48 states by using natural neighbour interpolation. The problem is that how can I get the ...
1
vote
1answer
25 views

How to pick adjacent GeoTIFF files out of a set?

I have a large amount of large GeoTIFF images. Their names are arbitrary and the person that created them does not work here with us anymore. I need to do some programming experiment. How can I pick ...
0
votes
0answers
5 views

CartoDB - Update column from local csv

So I uploaded a csv from my local drive and set up the map, but I would like to update a column of data every day and re-upload the csv, but keep map settings. The dataset is very simple: one column ...
0
votes
3answers
333 views

Show “layer name” as text in arcgis layout view (map)

I am trying to show the layer names of all visible layers in ArcGis 10.1 when creating a map in layout view. First I tried to use "insert legend" and show there only the layername, but I can't ...
0
votes
1answer
46 views

Best program or tool for visualising big data sets really fast 10-20 GB data if the users don't know squat about GIS?

I have between 10-20 GB various GIS-data that there is a need to set up och and visualise for various users who want to be able to pan, zoom and switch between various layers and groups of layers ...
0
votes
0answers
11 views

Export to Oracle using QGIS

I have loaded a shapefile into QGIS and I now want to export it into our Oracle Database and add SDO_GEOMETRY. Is it possible to do this directly in QGIS? If not, what opensource options do I have to ...
0
votes
0answers
52 views
+50

merging raster aerials in QGIS issue

I follow the instructions here very closely and yet every time QGIS gets caught in a loop. It takes a few small rasters totally less than 100mb and creates HUGE gb files and will not stop until ...
2
votes
1answer
21 views

Leafletjs get latlng center position of polyline

After drawing a polyline, I would like to draw a circle from the center of this line whose radius encompasses the entire line. For polyline's that have more than 2 points I can crudely get the center ...
2
votes
1answer
21 views

Percentage of a polygon at, or less than, a specific height (supplied by a raster)

I am using QGIS to process some LIDAR data. I need to be able to define the area of a pond with respect to its depth (i.e it is 100m^2 at 32mAOD and 500m^2 at 33mAOD). Is there a way of finding the ...
3
votes
2answers
163 views

Alternatives to Business Analyst, AnySite/MapInfo, and Sites To Do Business?

This is a very general question and I hope it is ok. I've been "Googling" and can't find much. I work at a shop that currently uses MapInfo + AnySite to do real estate site analysis. I generate ...
7
votes
2answers
520 views

Alternatives to ESRI Business Analyst

Does there exists any other software that can do store-level trade area analysis without much programming overhead? I am particularly interested in: Creating cutomer-derived trade areas that ...

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