GIS and Media fusion
"The explosive growth of the GeoWeb and geographic information has made GIS powerful media for the general public to communicate, but perhaps more importantly, GIS have also become media for constructive dialogs and interactions about social issues." - Sui & Goodchild
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geoinf18:qgsmaprendererjob
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geoinf18:qgsmaprendererjob [2018/11/13 17:59] oertz |
geoinf18:qgsmaprendererjob [2018/11/13 18:01] oertz |
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| === Contrôle du "map renderer" === | === Contrôle du "map renderer" === | ||
| - | * pour prendre le contrôle et exporter dans un fichier image le résultat du rendu cartographique, on ajoute (en adaptant le chemin de stockage du fichier produit) : | + | * pour prendre le contrôle et exporter dans un fichier image le résultat du rendu cartographique, on ajoute : |
| <code> | <code> | ||
| Line 36: | Line 36: | ||
| mapset.setLayers([layer]) | mapset.setLayers([layer]) | ||
| # set extent | # set extent | ||
| - | mapset.setExtent(QgsRectangle(530000,180000,550000,200000)) | + | mapset.setExtent(QgsRectangle(530000,180000,550000,200000)) # close to Yverdon |
| # set output size | # set output size | ||
| mapset.setOutputSize(QSize(800,800)) | mapset.setOutputSize(QSize(800,800)) | ||
| Line 46: | Line 46: | ||
| job.waitForFinished() | job.waitForFinished() | ||
| img = job.renderedImage() | img = job.renderedImage() | ||
| - | img.save('/home/olivier/tmp/render.png', 'png') | + | img.save('/home/olivier/tmp/render.png', 'png') # adapt the path properly |
| </code> | </code> | ||
| {{:geoinf18:render.png?nolink&200|}} | {{:geoinf18:render.png?nolink&200|}} | ||
geoinf18/qgsmaprendererjob.txt · Last modified: 2018/11/13 18:04 by oertz
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