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Installing most software on a Mac is easy, but installing QGIS on a Mac is a pain (though it is getting easier with each release).Qgis 1.3 Mac is ready > for download. Although Esri has released an app version of ArcGIS for iOS, ArcGIS unfortunately isnвЂ™t natively offered as a option for installing on a Macintosh computer.You probably grew up using ArcGISвЂ¦ or QGISвЂ¦Under Download for Mac OS X, click on the link (KyngChaos Qgis download page) and download the file (see screen shot below): 1) QGIS 2.18.13-1 (under Download) for your respective Mac OS (this works with versions from Lion onwards).These instructions are for QGIS 2.16 built for Mac OS X Mountain Lion, Mavericks, Yosemite, El Capitan, and (hopefully) MacOS Sierra. Running ArcGIS on the Mac. Other native Macintosh GIS software packages are listed further below in this article. Instructions for installing QGIS on the Mac are here.

QGIS has the edge for consuming data. QGIS mind-blowingly consumes all types of dataArcGIS has broken more hearts than anyone for consuming data.No questions asked. ItвЂ™s a head-to-head GIS software showdown with the star-studded lineup in the GIS industry вЂ“ ArcGIS vs QGIS.READ MORE: 35 Differences Between ArcGIS Pro and QGIS 3 1.

ItвЂ™s like your own personal Google search engine. They give basic preview functions but the focus is on data access and organization.Pin down missing data sets by using the filter and search tools. Explore your geodata with ArcCatalog and QGIS BrowserQGIS Browser and ArcCatalog are stand-alone GIS data management applications.These applications help many manage their raster, vector, and GIS data. (Because setting custom delimiters in QGIS is even better than Microsoft Office.)And instead of poring over piles of conflicting and confusing GIS formats, simply consume it with QGIS.READ MORE: The Ultimate List of GIS Formats вЂ“ Geospatial File Extensions3. But the list goes on for GIS format consumptionвЂ¦ ENC, shapefile, geodatabase, MapInfo formats, Microstation file formats, AutoCAD DXF, SpatiaLite, Oracle Spatial, MSSQL Spatial databases, WellKnownText (WKT)вЂ¦Instead of pounding the pavement to load your NetCDF files, QGIS will consume it for YOU.Instead of wasting time trying to add space-delimited files, the QGIS interface lets you roll it in 24 hours a day. Over 70 vector formats are supported.QGIS was born to work with PostGIS.

But your license level determines which tools you can use in ArcGIS.A basic license still gives you access to a large number of powerful tools. QGIS is the open source hero.ArcGIS has a very good geoprocessing framework. ArcGIS is the villain forcing you to connect to your license. ArcCatalog rises to the occasion giving users the option to select their own metadata standards.Both the QGIS Browser and ArcCatalog help to easily navigate in your filesystem and manage geodataвЂ¦The edge goes to ArcCatalog because of its options.READ MORE: 10 Free GIS Data Sources: Best Global Raster and Vector DatasetsвЂњLicensed to geoprocessвЂќ sounds like a really bad movie. When was it created? Who is the creator? How was it made? The answers can be found in metadata.Over the years, metadata has evolved into a variety of formats (ISO, FGDC, INSPIRE and NAP).

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(You could use the free trial of ET GeoWizards).The erase tool is readily available in QGIS in the Vector Analysis toolbox. If there are no available advanced licenses, it means you canвЂ™t use the erase tool. Open source QGIS software does not limit which tools can be used.If you want to use the erase tool in ArcGIS 10, youвЂ™d have to turn on the advanced license.

ItвЂ™s like a bad horror movie with the inconvenient 999999 error.This makes QGIS a dominant winner in this category.READ MORE: 13 Free GIS Software Options: Map the World in Open Source9. But in the end, you really are licensed to geoprocess in ArcGIS. Same as the symmetrical difference tool, which isnвЂ™t available with a basic ArcGIS license.ThereвЂ™s tool integration with GRASS GIS and SAGA GIS, this gives you the necessary horsepower at your disposal to solve almost every geospatial problem.QGIS is working on its geoprocessing framework which is already impressive.

QGIS has multiple ways to perform interpolation. Other options are to filter (reclass or extraction toolsets) or simplify data (generalization toolset).In QGIS, the raster calculator tool performs map algebra with a little less math and trigonometry functions. The Spatial Analysis tools also offer specialized tools for groundwater, hydrology, and solar radiation.

But choose not to bore you. There are groundwater and solar radiation tools in QGIS, but not like ArcGISWe could continue. QGIS wins for more filtering options.

But you donвЂ™t get the silver platter like ArcGIS 10.The exploratory regression tools in ArcGIS are well-made because the outputs allow users to connect statistics with their data. This isnвЂ™t necessarily a bad thing. You know if your data is auto-correlated or not.In QGIS, you need a good understanding of the tool beforehand. ArcGIS Geostatistical Toolbox is crowned winner because it teaches you statsHave you ever tried to assemble furniture without the instruction manual? Practically impossible, right?When you run tools in the ArcGIS Geostatistics Toolbox, the instructions and output explanations are so clear that a child could understand the results.When you run MoranвЂ™s I, the report output delivers a concise explanation.

And ArcGIS is best at teaching geostatistics.11. Voila, your pivot table is generated.When you can make difficult concepts straight-forward, you become a winner in my book. Add a value field and push calculate. Rows are categorical fields such as place names or watersheds. The columns are your statistics types (average, minimum, variance, etc). ItвЂ™s like an interactive pivot table creator integrated into QGIS.

Others are like power tools, like an electric drill. Some of these are like hand tools, like a chisel. Satellites like Sentinel 2 and Landsat 8 are the exciting ones making data more ubiquitous to GIS analysts.QGIS and ArcGIS present a myriad of tools for remote sensing.

Or export as a Python script and customize it.ArcGIS scripting is almost all run through the Arcpy module. ItвЂ™s easy.Export your model and share it with others. Drop tools in your Model Builder Diagram and connect them. It has iterators to do вЂњforвЂќ and вЂњwhileвЂќ loops. Direct workflow (like a boss) using ArcGIS Model BuilderHave you ever wanted to put your workflow in auto-pilot?When you run redundant tasks as a scheduled model, you can sit at home in your bathrobe all day long (and still get work done.)And ArcGIS Model Builder is the most intuitive, rock-solid, pragmatic way to automate geoprocessing jobs.You string together sets of tools in Model Builder to automate processes. But QGIS deserves an edge for remote sensing.READ MORE: What is Remote Sensing? A Guide to Earth Observation13.

It can be difficult to figure out what to use and where it all is.Despite the bugs, in the end, you can achieve the desired results.We love ArcGIS ModelBuilder. You will also be using a bunch of other modules as needed for different projects. There is no QGIS module and you will be using GDAL a lot. ItвЂ™s shaky so save often.For QGIS, you have PyQGIS. Automate everything.READ MORE: ArcGIS Model Builder: How to Create a Custom Toolbox and Export as a Python ScriptQGIS has the same functionality as ArcGIS Model Builder and itвЂ™s called Graphical Modeler.You graphically develop sets of tools in a specified order using QGIS Graphical Modeler.QGIS tends to crash often when using QGIS Modeler.

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