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    Re: Coding - again

    Re: Coding - again Hi Dave, I can't really see why Map1.Extent.Center fails while zoompoint works. Bit confused on the "Identify" method as I can't find it on the SFMap control. Have you extended the control and added extra functionality? أكثر...
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    How can I stop flow accumulation in one watershed from traveling up tributaries into

    I am using TauDEM in ArcMap 10.3.1 to try and calculate flow accumulation and generate stream networks for HUC10 watersheds. I am using 3m DEMs acquired from the National Map. The HUC10 I am working with consists primarily of a segment of a large river, and there are several large tributaries...
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    Creating Tile server without using any Base Map

    I have a database of points with coordinates on server (MySQL + PHP). I need to create a transparent (without an image of map) tiles with the points (one tile can be several points) format (x) (y) (zoom).png for sending to app iOS in GMSSyncTileLayer (Google Maps SDK for iOS) أكثر...
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    Webmaps with R: the leaflet package for R

    Some months ago I published qgis2leaf which enables a QGIS user to publish a webmap the easy way. It was integrated into qgis2web which offers a leaflet and a openlayers based output for qgis users. But what about R users? Jean-Francois recently published a longer post about GPX tracks and to...
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    Quartz Architecture Deep Dive

    As we said in the Quartz intro post, the Quartz release of ArcGIS Runtime is a significant release.* You will see many new APIs that will allow you to build amazing Apps for your users on a wide variety of devices.** This posts takes a look under the hood to highlight some of the architectural...
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    Civilian Topographic Map Version 2 Has Been Released

    Civilian Topographic Map (CTM) is designed to allow users to easily create 25K and 50K civilian style topographic data and maps using Esri Production Mapping.* CTM includes a geodatabase data model as well as sample configurations for editing, quality assurance, and cartography. The new...
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    Zooming in more to magnify Inset Map in Layout of ArcMap?

    this is the inset map I created in my layout view, notice how it is magnified to the full extent that I want to represent in my map this is my map in its layout view with the inset map representation, how can I zoom in more on the inset map so it is magnified more just like in my data...
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    How to remove a domain from a field using ArcObject

    I need to delete a domain in my database. Since the domain is still associated with a field, I first need to delete the association. After reading the documentation for IWorkspaceDomains.DeleteDomain, it say to use the IClassSchemaEdit.AlterDomain. So I try using this code to remove the...
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    Using ModelBuilder to analyze pole inspection data?

    I work for an electric company and am looking to do some analyzing on some pole (point) inspection data. I have some lines that are part of a geometric network and some points that are not part of the geometric network. I included a picture to help describe what I want to do. I want to...
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    ArcFM and Python Scripting

    I'm trying to add a feature class in ArcMap 10.2.1 that is an ArcFM Feature Class by using a python script. I am working inside an ArcFM session which is required to edit the layer I am working with, however it is complaining about me not being in a session... This is my script: import...
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    FLAG - fuzzy landscape analysis in GIS

    I am trying to identify wetlands using different topographic indexes, e.g. TWI/CTI. And I would like to try out a method called FLAG (fuzzy landscape analysis in GIS), but I don't really understand the workflow. The article I'm reading is a bit short on this method. Does anyone of you have any...
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    gdal_retile.py leaving gaps in mosaic

    I'm trying to create a seamless mosaic from the FAA's VFR aeronautical charts using gdal_retile.py. The end goal is to serve the mosaic using the ImagePyramid extension in GeoServer. However, I'm seeing gaps as well as a misalignment in the resulting mosaic after running gdal_retile.py, and I'm...
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    How can i plot this piece of code with ggplot2?

    I have these vectors of the lakes in New Guinea and the coastline and i want to plot it using ggplot2 exactly as it follows but with a more cool appearance. co
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    Joining tables without losing original field names in ArcGIS for Desktop?

    I'm wondering if there is any method to preserve the original field names in ArcGIS when I join csv. tables to a Shapefile. I ask, because sometimes I join tables with 10, 20 or even more columns and when exporting the joined data ArcGIS always renames them according to the name of the...
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    Downloading a landsat image

    This video shows how to download a landsat image أكثر...
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    Councils warm to web-based GIS

    Web and mobile deployment has allowed Tasmania's Hobart City Council GIS team to get into workflows and not just maps. أكثر...
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    A Map That Shows China's Worst Problem, and One That Shows America's

    Esri's Living Wage Calculator Map shows the county-by-county difference between the minimum wage and the cost of living. أكثر...
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    Visualize the Topography of Wages in America with the Living Wage Map

    Esri's Living Wage Calculator Map shows the county-by-county difference between the minimum wage and the cost of living. أكثر...
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    equal distance and equal area?

    Just did a reference with a student who asked a simple question I feel I should have a better answer to... for map projection properties, why is an equal distance projection not also inherently an equal area projection or vice versa? I understand the issues with map transformations and the...
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    How can I get hatch labels to rotate based on orientation changes in DDP Strip maps?

    I've created a strip map for a linear feature and have it loaded as a data driven page. I want to show stationing for the line. The stationing displays properly on the first data driven page but on each subsequent page the stationing labels get messed up as the map orientation changes. I want...
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