5
votes
1answer
670 views

Why ArcGIS Online over ArcGIS Server?

I do not understand why Esri has two products serving similar purpose. Why one should have ArcGIS Server and why one should choose ArcGIS Online?
2
votes
1answer
156 views

GDAL local files VS ftp files

I can successfully get raster information when the raster file is located on my local file system: import gdal from gdalconst import * filename= "MOD11A1.A2012193.h11v11.005.2012196013534.hdf" ...
0
votes
1answer
212 views

postGIS (?) - ST_Difference preserving attributes

EDITED QUESTION: PROPER SYNTAX FOR ST_DIFFERENCE BETWEEN TABLES? I have two huge polygon datasets from shapefiles, call them 'baselevel' coverage and 'deluxe' coverage. They each contain over 2.4 ...
0
votes
1answer
132 views

What is the PostGIS equivalent of ArcGIS “Intersect” tool?

I am looking for the PostGIS ST_function that will give me the same results as running the ArcGIS Analyis-> Overlays-> Intersect tool on two polygons.
1
vote
1answer
37 views

Assign a Value to a Customized Toolbar Item

I have developed a main toolbar that uses windows forms and arcobjects to write to sde databases. I am trying to extend the functionality of the toolbar to point to two different databases dependent ...
4
votes
3answers
3k views

How to count occurrences of one field grouped by values of another?

Is there a way of calculating the number of unique text strings in a field in ArcGIS 10.1? I have a number of repeated strings in this field, but would like to calculate the number of unique strings ...
5
votes
2answers
269 views

Time Manage + Twitter in 2013

I am a geography teacher and would love to map tweets in QGIS for my pupils. I followed all the instructions but it seems Twitter have changed the way they stream their tweets. I can cope with the GIS ...
0
votes
2answers
884 views

How to customize inputs in Iterate Feature Class - ModelBuilder 10.1

I am using the Iterate Feature Class tool in ModelBuilder to iterate through feature classes within a Geodatabase. I would like to add the capability to custom select which feature classes within a ...
0
votes
1answer
92 views

Transforming from PSA56 to NAD83 using ArcGIS Desktop?

I need to transform some data from PSA56 to NAD83. It doesn't have to be that rigorous as it's purely for a context map. I'm guessing I will need to go to WGS84 and then to NAD83. If anyone has any ...
1
vote
1answer
404 views

Determine if ArcGISDynamicMapServiceLayer is from a Tiled Map Service in ESRI JavaScript API

For some of our JavaScript mapping applications, we load a Tiled Map Service as a ArcGISDynamicMapServiceLayer. When we use the PrintTask and want to print a map at a scale in between the tiled map ...
1
vote
1answer
738 views

Convert MineSight (*.msr) files to Shapefiles or Feature classes

How would I convert the Minesite(*.msr) files to Shapefiles. Minesite files are used in Minesite Software which is used for creating block models in 3D.
2
votes
1answer
991 views

Export arcgis data to xml all at once

Is there a way in ArcGIS10 to export all feat classes, tables, datasets all at once as XML? I know there is a batch command but still appears you have to select items. I am in process of writing a ...
1
vote
1answer
437 views

Restricting Tin interpolation in QGIS

I am trying to do a bathymetric map for a lake using QGIS. However, I see no option to impose a mask so interpolation does not extending beyond the boundaries of my lake. I have traced around the ...
1
vote
3answers
2k views

Can I have two kinds of point geometry in a shapefile or I should create multipoint shapefiles?

Following my previous question, can I have a mixture of two kinds of geometry in a shapefile of type point. Just like I have about shapefiles of type polygon or I should always create a shapefile of ...
1
vote
1answer
114 views

Using ESRI Dojo version for building web application

If I am using ESRI's JavaScript API for my application, then I cannot load a different version of Dojo other than the one shipped with ESRI. I have to rely on ESRI for Dojo. The map appears in only 3 ...
2
votes
3answers
527 views

How to use ArcGIS Online Web Maps/Apps to Collect Community Input securely?

I want to set up a computer at a public hearing that runs an ArcGIS Online Web Application from my subscription account where citizens can choose from predefined editable point layers I've already ...
1
vote
1answer
606 views

Problem with creating a “blank” basemap in an application built with arcgis javascript api

I'm building an application where I'd like the user to be able to select a blank basemap from a gallery of basemap options. I've found that if I initialize the app with a "white" "blank" or "none," ...
2
votes
2answers
2k views

Create a Line FeatureClass from IPointCollection

I want to create a new line layer from a point layer. I store the points in an IPointCollection. I want to use that IPointCollection to create a line IFeatureClass. I know how to create a single ...
1
vote
1answer
205 views

kmz mismatch in the Google Maps API v3 and Google Earth

I have some kmz files(exported from ArcMap). They overlay perfect with the base maps of Google Earth, but when it applied to Google Maps API, they mismatch the base maps. Can anyone give me some ...
3
votes
1answer
3k views

How can i read netcdf file of station data

Please can anyone have experience with netcdf data with irregular grid. my data file is taken from NCEP ADP Global Upper Air and Surface Weather Observations (PREPBUFR format) So i need to extract ...
1
vote
1answer
819 views

Connecting PostgreSQL/PostGIS and MapGuide Maestro

This is less a specific question, but hopefully more of an open question. There is little documentation regarding connecting the excellent OS web mapping software MapGuide Maestro ...
0
votes
2answers
163 views

Find nearest vector to point

Is there any better way how to find vector nearest to point then this: select gid,ST_Distance(ST_GeomFromText('POINT($x $y)',4326),cr_2po_4pgr.the_geom) as d from cr_2po_4pgr order by d limit 1 ...
0
votes
1answer
648 views

Basic raster map questions

My bigger problem is to convert a raster map to polygons. I've found some questions that give info and I'm trying to use GRASS GIS as part of that. However, I'm having some basic problems and I can't ...
1
vote
0answers
257 views

Changing Default Layer Switcher

How can I change layerswitcher properties(radio button) ? So I want to change just like drop down list ?
2
votes
1answer
1k views

Search Functionality using Cartodb API

I posted a similar question about this a month or so ago and I was still in early stages of researching the problem thus not to many results came from it .After some time and effort I have come close ...
3
votes
1answer
1k views

Has ArcMap's background progress bar been fixed in 10.2?

I don't know if any other geoprocessing tool authors are pondering whether to invest the time and effort in a workaround for this "feature", but in 10.0 background processing tasks had a progress ...
1
vote
2answers
603 views

ArcGIS, Edit Layer Extents with Python script

I would like to read and edit the Extent Values of each Layer in a MXD-file. My code: import arcpy mxd = arcpy.mapping.MapDocument(r"D:\Work\myInFile.mxd") for lyr in ...
-3
votes
3answers
121 views

How can I use ogrinfo to reach information about a .shp?

How can I use ogrinfo? where should I write it? In the visual studio's command prompt or somewhere else? Can you make some examples? when I use ogrinfo in the windows or visual studio's command ...
1
vote
1answer
2k views

Copy features from feature class to an existing feature class with arcpy

I see CopyFeatures_management, but this creates a new feature class. http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//001700000035000000 Is there a way to copy features from a feature ...
2
votes
1answer
1k views

FME : How can I use multiple Workspacerunners in one Workspace? [closed]

I created two Workspaces, the first one does a clipping process and the second has to run it. It contains a "Creator" and 4 Workspace-runners. I have 4 different Inputs and outputs paths, how can I ...
0
votes
0answers
76 views

Routing using .MP file format

I am having .MP file for a particular map location, the .MP file consists of points and polylines. Now I want to find the shortest path between two points. What is perfect and simple method to find ...
2
votes
1answer
69 views

Conceptually, what's the ideal way to develop detour maps for a large number of nodes

I have a road layer of roughly 30,000 links. On these links, I have a total of 15,000 nodes that are sorted in a point layer. I'm trying to build a detour distance and routing around each asset in ...
0
votes
1answer
732 views

Test of ORACLE DB functions converting lat-long to utm and mgrs with real data known to be correct?

I have rewritten some Delphi function to ORACLE DB functions for converting from lat-long to utm and mgrs. Anyone care to validate the output with real data they know is correct? package ...
0
votes
0answers
81 views

Can the software be installed silently?

Can QGIS be silently installed and uninstalled? We are looking to deploy this to several users for evaluation.
1
vote
1answer
796 views

Geoserver transparency of overlapping features

I'm serving a layer via WMS that has multiple Polygons with transparency set to 30%. The polygons can overlap each other resulting in darker areas where the transparencies combine. Is it possible to ...
-3
votes
2answers
202 views

How to derive soil water holding capacity from Landsat data [closed]

For estimation crop yields, I need some information such as Soil water holding capacity, potential evapotranspiration, crop types of the area, etc. For this purpose, I want to derive Soil Water ...
2
votes
0answers
592 views

How to specify cost attributes for network analysis in QGIS using the GRASS plugin?

I have a road dataset with information about the length, speed and drivetime for each segment. I use QGIS 1.9 with the GRASS plugin to do different types of network analysis, but how do I set up the ...
6
votes
1answer
6k views

Importing shapefiles to SQL Server

I often use the brilliant SQL Server 2008 Spatial Tools to import shapefiles into SQL Server 2008. This works absolutely fine but it leaves me wondering, how do Microsoft expect end users of SQL ...
1
vote
1answer
455 views

MapInfo / MapXtreme is it possible to get the Features from a Table

I'm trying to get the Features from a table with MapXtreme 7.0.0. I use winforms with the MapControl from MapInfo. Is it possible to get all the Features from a table? Something like: ...
1
vote
3answers
867 views

Join excel attributes to shape attribute

I am wondering if there is a way to join the attributes from excel tables to shapes in Qgis. I have abbreviations in the shape and want to add the associated complete names from excel file by ...
1
vote
1answer
100 views

Snap mean coordinate to layer in QGIS and creating MCs for multiple shapefiles

1: I wish to create a mean coordinate for a group of points. However, I would like the new point to be snapped to the nearest point from the set of points used to generate it. How might one go about ...
8
votes
2answers
300 views

GIS - related magazines, monthly papers? [duplicate]

I was wondering if you can recommend some magazines or basically any other GIS-related papers (printed or digital) which are released on a monthly basis (or every 2-3 months); I am practically ...
0
votes
1answer
356 views

Full instruction for download OSM data in Ubuntu 12.04 LTC

Is there instruction for: 1) install software 2) download OSM data in Postgis database 3) set styles 4) generate tiles 5) initilaze MapProxy (all in OS Linux) 6) View map (generated tiles) ...
4
votes
0answers
236 views

How to repair Geometric Network in Versioned ArcSDE Geodatabase?

Our Versioned ArcSDE workflow has a feature dataset with Geometric Network in the parent (Default), which users derive in their own versions. It is now observed that in some versions, the geometric ...
3
votes
3answers
580 views

Where to obtain free 15m ASTER image for New Mexico?

I am looking for a free Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image that will let me to perform NDVI for the pilot crop health/soil moisture that can go as far back ...
0
votes
1answer
230 views

How to map and color localities (provinces) with an external CSV using Quantum GIS

I use a Swiss shape file map (called PLZO_PLZ) available on http://www.cadastre.ch/internet/cadastre/fr/home/products/plz/data.html (ZIP file Shape LV03) PLZO_PLZ contains a column called PLZ which ...
8
votes
2answers
433 views

Practical Building Extraction Algorithm Implementation

I've been reading many papers over 3D building extraction using LiDAR data and Aerial images. I see that there are many different algorithms for doing such things, such as this and this. Those ...
1
vote
2answers
453 views

Read layer symbology class color with ArcPy

I am using ArcPy within ArcGIS 10.1 and attempting to read symbology from a *.lyr file created by a raster dataset within ArcMap. My goal is to be able read out the RGB (color) values assigned to the ...
1
vote
1answer
604 views

Mimimum distance between points (Postgres/PostGIS)

I have a table (tab_Cities with cities which own more than 50000 inhabitants. The table also contains lat, long and the_geom as columns. I can already see the points via QGIS. Now I want to write a ...
5
votes
1answer
4k views

PyQgis question: How to change or set active layer?

Developing a qgis plugin, I found that if no layer is selected in the Layers panel I can iterate over all layers and do anything to them, but "activate" them. Could someone give me a hint please? ...

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