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When trying to load a .SHP into MSSQLSpatial using OGR2OGR, I get the following error: ERROR 1: Error initializing the metadata tables : [Microsoft][ODBC SQL Server Driver][SQL Server]There is already an object named 'geometry_columns' in the database.And yes, I can see the entries using this...

USGS makes 500dpi DRGs but doesn't seem to offer them for download anywhere. There are several vendors that I can find offering seamless DRGs but only in 250dpi. Where can I find 500dpi seamless DRGs for Oahu? GeoPDFs will not work-- I have already tried importing them to Photoshop, exporting...

Working in ArcGIS. I am looking for a way to find the distance of a point along a streams polyline. I read Finding distance of point along polyline? and it seems to be similar to what I need...the distance of something downstream. I went ahead and clipped my stream lines to only downstream to...

I am trying to make an equal interval legend using a rate of burglaries per 1000 habitants using a combination of a column with the counts of burglaries and a column of total population using census districts. Due to the fact that there are outliers in the data (extremely high values) I would...

If you need to understand how LiDAR data is used to produce digital elevation models and vegetation maps, Dr. Martin Isenburg provides some robust insights. In a series of six videos, Dr. Martin Isenburg describes the process to use LAStools to edit and analyze LiDAR data to produce digital...

library(spdep)library(maps)library(maptools)library(classInt)library(RColorBrewer)##Create an adjacency matrix for the states in the USusa.state = map(database="state", fill=TRUE, plot=FALSE)state.ID

Spatial layers (tables) in SpatiaLite include various supporting objects and metadata, including triggers, indices, and entries in (at minimum) the geometry_columns table. I'm looking for (preferably) a GUI that would handle all of the necessary changes in one go, or (fallback) documentation of...

Computers & Geosciences, Volume 84, November 2015, Pages 1–9 Julia B. Curto, Tatiana Diniz, Roberta M. Vidotti, Richard J. Blakely, and Reinhardt A. Fuck “We offer a methodology to analyze the spatial and statistical properties of the tilt derivative of magnetic anomalies, thus facilitating...

Computers & Geosciences, Volume 84, November 2015, Pages 86–95 By Simon Nieland, Niklas Moran, Birgit Kleinschmit, and Michael F أكثر...

بيحتفل النهاردة كيفة القهوة بيومهم العالمي ، القهوة مشروب عالمي أى نعم لكن أنا عمرى ما شربته الا كام مرة ، وبيكون دا فى معرض القاهرة الدولي للكتاب... أكثر...

Is there an official documentation for the python GDAL module? There are various cookbooks, but scant information on each function or arguments for the most basic functions. halp!? أكثر...

Scenario(example): I have a database called MYDB linked to geoserver. In geoserver i have a workspace called A where A has a store connect to my MYDB.In section layers i published 4 layers called waters, buildings, roads and people. My question is how can i provide an url for each published...

I have planet.osm imported into a database. Now I am trying to set up hourly updates. I generated a file changes.osc.gz using osmosis. This file contains updates for 1 hour - which seem to be running EXTREMELY slow. I should add out of desperation I am now using an Amazon machine with 16...

I've been battling to get this really handy plugin working for some time. When I try installing it from plugin manager, I get the following error: "This plugin is broken 'module' object has no attribute 'ReactorAlreadyInstalledError'" I've just installed QGIS 2.8.1 64Bit on Windows 7...

Before joining EPA, I spent more than five years in Houston working to protect the health of the many low-income and minority communities along the Texas Gulf Coast who share their neighborhoods with oil refineries. I cannot think of a single fenceline community from my work that does not have...

Recently I had the chance to work with one of the world’s largest insurers on improving their business processes. In discussing insurance workflows and data, we all recognized that every twenty-first dataset contains location. What our sessions highlighted was the fact that every business...

I am new to QGIS, it there a way to generate STL with custom output size (I want to match DEM's layer size). Here it includes 'white' canvas inside model. I can't change size, it won't let me. Thanks أكثر...

I have analyzed aspect surface from ASTER dem 30 m resolution in ArcGIS 10.2. But it shows many aspects in flat area.Normaly it must calculate this are as flat (-1). How can I resolve this problem? أكثر...

I have two sets of files for two contiguous areas. I've been asked to merge these two areas into one and serve the resulting data set in Geoserver. What I have in each directory is what I reckon is a WorldImage data set generated with ArcGIS: I have a JPEG file, and others with the suffixes...

I have a shapefile which I am loading to a DB using Model developed under MyToolbox. At the same time, I would like to publish this as a Map Service in ArcGIS Server. Is there any way to create .sddraft / .sd from the shapefile or feature class from the DB using ModelBuilder so that I can...