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465 			}
466 
467 			// if $this->interlace != 0, the output image will be interlaced
468 			imageinterlace ($this->gd, $this->interlace);
469 			
470 			// if the extension does not exist, the file will not be created!
471 			
472 			switch($type) {
473 				case IMAGETYPE_GIF: imagegif($this->gd, $filename); break;
474 				case IMAGETYPE_JPEG: imagejpeg($this->gd, $filename, $this->quality); break;
475 				
476 				// case 3, and everything else
477 				default: 
478 					// Save them as 8-bit images
479 					// imagetruecolortopalette($this->gd, false, 256);
480 					imagepng($this->gd, $filename); break;

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New Zealand Science Teacher: New Zealand's Latest Science news on, Curriculum and Literacy, Learning in Science, Putaiao, Education and Society, Assessment, Teacher Education
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  • Rainbow Clouds

    Refraction and diffraction of light through ice crystals in the clouds

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    Philippa On The Ice Philippa Werry at an Antarctic research camp 2016

New Zealand Science Teacher

Standing Committees

  • Science Learning

    Using Science Capabilities in Senior Chemistry

    2017-08-25

    We have been using science capabilities in junior school science at Hagley Community College since 2015.  We have recently begun to explore how they might look in senior school science classes.  When the level 2 NCEA chemistry classes were about to start learning about Lewis Diagrams, it seemed like a good opportunity to approach the concept with the capability of Interpreting Representations. 

  • BioLive/ChemEd reflections

    2015-07-22

    The chemistry and biology teachers’ conferences were run in tandem this year. A Dunedin teacher reflects on what she learned.

  • molecules

    Two for one conference aims to enliven science teaching

    2015-04-01

    For the first time, BEANZ and NZIC will run their conferences in tandem.

  • beakers.jpg

    Oh, woe is sodium

    2014-11-06

    MONIQUE LOWE has been on a sodium quest, and offers advice for other science technicians.

  • Periodic Table – more changes

    2012-10-15

    by Suzanne Boniface

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