0
votes
0answers
6 views

Using layer file to apply symbology to shapefile with ArcPy?

I have code that doesn't work at the moment: # Import arcpy module import arcpy # Script arguments Input = arcpy.GetParameterAsText(0) if Input == '#' or not Input: Input = "frame" # provide a ...
0
votes
0answers
6 views

Lat/Long not projecting with shape file in qgis

For reference I am new (as in a few hours of messing around) to GIS. I have a shape file/accompany projection files ect: CURRENT.prj CURRENT.shx CURRENT.shp CURRENT.dbf CURRENT.sbx CURRENT.sbn I ...
0
votes
0answers
2 views

send attribute from 75,000 object polygon to 20Mil point database

I have sql server 2008 r2. I have two tables: PropertyParameters and REF_GEOID. Property Parameters has four columns: PropertyID, ParcelID, Lat, Long. REF_GEOID has two: GEOID and GEOM. GEOM is a ...
0
votes
0answers
8 views

Error 999999 “The table already exists” “No spatial reference exists” when using “import arcserver”

I'm hoping someone can help me understand why I'm getting this error. I have a python script tool that throws this error when it is run through the task scheduler: Traceback (most recent call ...
3
votes
0answers
27 views

Remote sensing for Nepal Earthquake

Greetings from a tent in kathmandu. To any experts who can provide remote sensing data that can help assess impact and damage of nepal earthquake we really need your help to ensure aid is well ...
1
vote
0answers
4 views

Network Analsyis Closest facility ArcGIS 10.3 where incidents and facilities are the same points

I have about 3800 facilities nationwide and am trying to determine the nearest facility to each one by driving distance. This is similar to a near analysis but using a road network to determine ...
1
vote
0answers
7 views

Creating a Network Dataset

I need some basic instructions on how to create a network dataset in ArcMap 10.1. I do realize there are esri tutorials out there but I'm having difficulty understanding everything. I'm just looking ...
0
votes
0answers
3 views

Shapefile imports appears without error until saved as map then disappears

I imported shapefile for 1942 European Borders obtained from Geocommons. After adding missing .prj, import was successful. Dataset looks clean in both table and map, but when I save the dataset as a ...
2
votes
0answers
13 views

open custom property page on double click on the drawn line ArcObjects?

I am able to open a custom property page with the mouseup event of graphic line. but when I again double click the line, it obviously opens the default property page. which i dont want. I am using ...
0
votes
1answer
11 views

Select Elements tool not working in ArcGIS for Desktop?

I recently installed a copy of ArcGIS 10.2 on my personal laptop at home. I'm a bit of a novice user. I've connected the right folder on my desktop and been able to add shapefiles to my map. ...
0
votes
0answers
6 views

Creating KMZ files from QGis using GarminCustomMap plugin

I am new to GIS and QGIS, and really lost with some basic QGIS concepts. I have installed the GarminCustomMaps plugin, and by usign the default plug-in settings I am able to generate a single tile of ...
0
votes
0answers
3 views

Viewshed and Raster Value

I'm doing a research project on some petroglyph sites in the United States and am having issues with trying to represent viewshed data on ArcMap 10.3 for desktop. I ran the visibility from the toolbox ...
0
votes
0answers
16 views

How to create dissolved buffers in QGIS with PostgreSQL/PostGIS?

Creating a dynamic buffer in QGIS I use the following query: CREATE VIEW buffer40units AS SELECT gid, st_buffer(geom,40)::geometry(polygon, 31492) AS geom FROM point; Now I want to dissolve ...
1
vote
0answers
7 views

How to fit Google Earth satellite image to UK OS 50 DEM

I have extracted a DEM tile from the UK Ordnance Survey's free OS Terrain 50 dataset The tile contains spot heights for a grid comprising 51 nodes (West to East) by 51 nodes (North to South) with ...
0
votes
1answer
11 views

How to setup GDAL setting for python using OSGEO4W?

I have installed OSGEO4W installer. In that I have installed Express Desktop install option. QGIS GDAL uDig and GRASS GIS were installed in C:/OSGEO4W64. I have added 'C:/OSGEO4W64/bin' in the path. ...
1
vote
0answers
7 views

How to catch mouse-over event on dynamic service layer

I need to fetch as IMAGE, the results of querying/filtering the data of a layer. So, I decided to use the dynamic service layer. I can use the identify task to so as to show an infobox containing ...
1
vote
0answers
13 views

Action on group of features from layer in QGIS?

I need to implement a rename action on a selected group of features in a certain order. The idea is that I would rename one feature and then select the features that are 'next in line' and execute a ...
1
vote
1answer
28 views

assigning random points to unique values

I have generated random points in qgis and would like to assign the value of their geometry to a unique column in another table. I would like to do this in qgis or postgres or spatialite. Table A ...
1
vote
2answers
13 views

How to transfer large amount of OSM data to postgis using osm2pgsql?

I am new to using Openstreetmap data and PostGIS database. I learned how to use osm2pgsql and transferred osm data for a small city to PostGIS database and worked fine. The problem is that when I try ...
0
votes
1answer
19 views

How Does Ogr2Ogr Simplify Work?

Can someone explain how the ogr2ogr simplify works? I am trying to use raster data which has a spectral resolution of 30m. The vector file that I am trying to import into Google Fusion is large in ...
1
vote
0answers
10 views

Transform GeoTiff to WMT

I'm not a gis specialist at all so this question may seem dummy to you. I have a GeoTiff base of images (hundreds) I'd like to transform to a WMTS repository to put behind a web server. Web pages are ...
3
votes
1answer
32 views

Reading and plotting shapefiles with a custom function in R?

I have this piece of code that want to turn into a function r<-readShapeSpatial("roads") b<-readShapeSpatial("buildings") lc<-readShapeSpatial("landcover.shp") here is the preparation ...
3
votes
0answers
20 views

Project location on a (great circle) path

I've been searching this SE site for quite a few hours now, and I'm still struggling to find a solution to my question. My goal is that given a way in OSM and my location (lat/lon coordinates), I want ...
1
vote
1answer
23 views

How to convert from .shp to .csv using python and either gdal_translate of ogr2ogr

I am trying to convert .shp files to csv using either gdal_translate or ogr2ogr and python but its not work. if i run the following from qgis its not giving an error but at the same time its not ...
1
vote
1answer
39 views

Using union and area increases?

I have two layers … assume A and B … one is landuse and one is limit of that. The main reason to union these two layers is to calculate street. But my problem is after I union these two the area ...
0
votes
1answer
27 views

Calculate area intersected areas, problem

(I'm working in QuantamGIS) I intersected two layers creating a new layer. Within the attibute table of this new intersect layer i would like to calculate the new areas. However, it just doesn't ...
0
votes
0answers
8 views

Map of India in R with Different Values of Five Indicators for Every State of India

I want to generate a map of India in R. I have five indicators with different values of every state. I want to plot bubbles with five different colors, and their size should represent their intensity ...
0
votes
0answers
7 views

Integration of cloudera and Arcmap

I am trying to cloudera with arcmap using hadoop tools..can anyone help me in finding hdfs server host name, port number, hdfs username and remote location of the file????
0
votes
0answers
7 views

Error in using gdal java binding

I am using the java binding of gdal to project a set of coordinate points from UTM to lat/log using the CoordinateTransformation Class of gdal. I have written the code as follows: ...
0
votes
0answers
25 views

Strange circles have appeared on QGIS map?

Why are circles appearing on my map? It started after using QGIS dev build 2.9 and now appears even on 2.8.1. Also I've noticed that the usual list of CRS does not appear while using the dev build. ...
0
votes
0answers
5 views

How to convert map scale 1:10000 to nearest zoom level 16 scale 1:9028

I am making tile map service port for this map http://mapserver.geology.sk/sbd/. When you max zoom this map, you will get scale 1:10000. Tile size is 256px. You can check it here ...
0
votes
0answers
16 views

Is there a way to export entire projects or groups to KMZ?

There is a lot of questions about exporting single files, Im trying to see if there is a way to export an entire group in QGIS to a .kmz file that can be opened in google earth. I know there is a way ...
0
votes
0answers
13 views

Display tabs don't appear when files and folders are selected in QGIS?

My setup: QGIS 2.8.1 Wien on OS X 10.10.2 I'm a complete beginner at GIS and I'm having trouble on getting the Param/Metadata/Preview/Attributes tabs to appear in the Display Window. When I select a ...
0
votes
0answers
10 views

Make a group layer in ModelBuilder

I've got a model that iterates through a whole bunch of files and creates layers from certain of those files. I'm trying to put together another tool that will group the produced layer files, but I ...
1
vote
0answers
13 views

ST_Buffer with segment AND endcap parameters

Making a QGis plugin that buffers a line and I want to declare a high number of segments and a flat endcap. ST_Buffer(geom, 40, 25, 'endcap=flat') This doesn't work with both parameters entered, ...
0
votes
0answers
10 views

QGIS topology overlap check

I have checked topology rule must not overlap with and i get error The problem is that i have check this many times, and made hole vertex after vertex so it is not possible that these objects ...
1
vote
1answer
23 views

error of randomforest classification with Landsat data

I want perform randomforest classification on Landsat data. Here is some code I found from a paper. But when I run into the "classification" part, there is an error said "Error in eval(expr, ...
1
vote
1answer
47 views

why does my script not save a layer when it encounters a “ \” character in the string

i have some code that takes a field and finds every unique value in that field. it then creates a layer for each unique value. The code is working ok , but it is failing when there are \ characters ...
0
votes
0answers
7 views

Enhanced event rate density estimates with correlated variables?

I have somewhat rare events (at given times) at geographical locations. I also have a lot of static data about each micro-region. Some of the static data is likely to be correlated with the true event ...
0
votes
1answer
6 views

Finding Sentinel-1 data from the hub

Can somebody please tell me how to download data from specific locations on the sentinel-1 data hub? I cannot seem to get the geospatial search function to work... Many thanks for guidance!
0
votes
0answers
20 views

Wrap Legend Text in ArcMap using Python

Is it possible to use Python to wrap text in a legend in ArcMap so that the entire legend element will fit on a page? Here's a screenshot of my problem: http://s21.postimg.org/ss1x2rgpz/before.png ...
0
votes
0answers
17 views

Any Examples of D3.brush() used with Leaflet?

I have a leaflet map that I have placed an SVG "on top of" using the leaflet overlay pane. I want to add a D3 brush to the overlay pane that will then update a separate chart. I've looked around for ...
0
votes
0answers
11 views

Clip layer with selected object from another layer in QGIS

In ArcMap i can clip layer with selected object from antoher layer using editor toolbar. I want to do the same operation in QGIS. I want to create holes in landuse layer by selecting object from ...
-2
votes
0answers
29 views

Knowing POLYGON points get centroid [on hold]

I am newbie in arcgis javascript api. How can I get POLYGON center point, if I have such POLYGON ((669539.71299999859 201820.14200000092, 669632.02099999972 201763.50000000373, 669629.62600000016 ...
0
votes
0answers
17 views

A very small percent of script results come back with “None” instead of Geometry objects?

I have a script that generates a mesh network from vertex and centroid inputs, and it works for almost all my points. But for some records that get created in the feature class for the script, their ...
0
votes
2answers
10 views

gdalwarp changing value in nodata pixels

I'm using gdalwarp to convert MODIS NDVI mosaics from Sinusoidal to epsg:4326. To save space I'm using VRT files until I reach the final product. Here is my workflow. Mosaic NDVI Modis tiles using ...
0
votes
0answers
9 views

Different KML size from ArcGIS and Ogr2Ogr

I have been converting shapefiles to KML. It seems that using ArcGIS to make a KML (by converting shapefile to feature layer and then using feature layer to kml tool) results in a much larger sized ...
0
votes
0answers
12 views

Using If /then statements in SQL server computed column specification [migrated]

I have two fields in a SQL Server database called "Species" and "Species _other" that stem from a front end data collection software dropdown values. I am trying to use a computed column using an ...
1
vote
1answer
27 views

Writing out comma separated values inside a single cell in a spreadsheet using python

Please excuse the long subject header. I have gotten pretty good at writing data out to csv files but i seem to have stumbled into this block. Anytime a ',' (comma) is used to join values, it shifts ...
3
votes
1answer
17 views

How to manually add spatial reference information for FEWS rainfall data in ArcMap?

I am trying to match rainfall data from USGS/FEWS to coordinate locations of survey households in Uganda, so I will need to be able to project the rainfall data. So far, I downloaded the dekadal RFE ...

15 30 50 per page